Surgalign (SRGAQ) 10-K/A 2018 FY Annual report (amended)

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM10-K/A

(Amendment No. 1)

☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2018

or

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from                    to                    .

Commission file number:0-31271

RTI SURGICAL HOLDINGS, INC.

(Exact Name of Registrant as Specified in Its Charter)

(f/k/a RTI Surgical, Inc.)

Delaware	59-3466543
(State or Other Jurisdiction of Incorporation or Organization)	(I.R.S. Employer Identification No.)

520 Lake Cook Road, Suite 315, Deerfield, Illinois 60015

(Address of Principal Executive Offices) (Zip Code)

(877)343-6832

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol	Name of exchange on which registered
common stock, $0.001 par value	RTIX	Nasdaq Global Select Market

Securities registered pursuant to Section 12(g) of the Act:

None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.    Yes  ☐    No  ☒

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.    Yes  ☐    No  ☒

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.     Yes  ☐    No  ☒

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of RegulationS-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that registrant was required to submit such files.)     Yes  ☒    No  ☐

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of RegulationS-K is not contained herein, and will not be contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form10-K/A or any amendment to this Form10-K/A.  ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, anon-accelerated filer, a smaller reporting company, or an emerging growth company. See definition of “accelerated filer”, “large accelerated filer”, “smaller reporting company”, and “emerging growth company” in Rule12b-2 of the Exchange Act. (Check one):

Large accelerated filer	☐	Accelerated filer	☒
Non-accelerated filer	☐	Smaller reporting company	☐
Emerging Growth Company	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐

Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report.  ☒

Indicate by check mark whether the registrant is a shell company (as defined in Rule12b-2 of the Exchange Act.):     Yes  ☐    No  ☒

The aggregate market value of the Common Stock held bynon-affiliates of the registrant, based upon the last sale price of the Common Stock reported on the Nasdaq Stock Market as of the last business day of the registrant’s most recently completed second fiscal quarter (June 29, 2018), was approximately $286.0 million.

The number of shares of Common Stock outstanding as of May 19, 2020 was 74,564,450.

DOCUMENTS INCORPORATED BY REFERENCE

As stated in Part III of this Annual Report on Form10-K/A, portions of the registrant’s definitive proxy statement for the registrant’s 2019 Annual Meeting of Stockholders are incorporated by reference in Part III of this Annual Report on Form10-K/A.

Explanatory Note

As previously disclosed in the Current Report on Form8-K filed with the SEC by RTI Surgical Holdings, Inc. (the “Company” or “RTI”) on March 16, 2020, the Audit Committee of the Board of Directors (the “Board”) of RTI, with the assistance of independent legal and forensic accounting advisors, conducted an internal investigation of matters relating to the Company’s revenue recognition practices for certain contractual arrangements, primarily with OEM customers, including the accounting treatment, financial reporting and internal controls related to such arrangements (the “Investigation”). The Investigation also examined transactions to understand the practices related to manual journal entries for accrual and reserve accounts. The Investigation was precipitated by an investigation by the U.S. Securities and Exchange Commission (the “SEC”) initially related to the periods 2014 through 2016. The SEC investigation is ongoing, and the Company is cooperating with the SEC in its investigation.

On April 7, 2020, the Audit Committee of the Board concluded that the Company will restate its previously issued audited financial statements for the years ended December 31, 2018, 2017 and 2016, selected financial data for the years ended December 31, 2015 and 2014, and the unaudited financial statements for the quarterly periods within these years commencing with the first quarter of 2016.

Restatement Background

Based on the results of the Investigation, the Company has concluded that revenue for certain invoices should have been recognized at a later date than when originally recognized. In response to binding purchase orders from certain OEM customers, goods were shipped and received by the customers before requested delivery dates and agreed-upon delivery windows. In many instances the OEM customers requested or approved the early shipments, but the Company has determined that on other occasions the goods were delivered early without obtaining the customers’ affirmative approval. Some of those unapproved shipments were shipped by employees in order to generate additional revenue and resulted in shipments being pulled from a future quarter into an earlier quarter. The revenue for those shipments is being restated, as well as for other orders that shipped earlier than the purchase order due date in the system for which the Company could not locate evidence that the OEM customers had requested or approved the shipments. In addition, the Investigation found that in July 2017 a $30,000 adjustment was improperly made to a product return provision in the Direct Division that increased the Direct Division’s revenue in the prior quarter. The July 2017 adjustment prompted additional investigative steps. The Company has concluded that in the periods of the fourth quarter of 2015 through the fourth quarter of 2018 certain adjustments were improperly or erroneously made to manual journal entry accrual/reserve accounts, including a July 2017 adjustment to a product return provision in the Direct Division. Accordingly, the Company has restated its financial statements to correct these errors.

In addition to the correction of the errors discussed above, the Company has also made other immaterial corrections in all periods presented. Such immaterial corrections reflected in the restated periods and, together with the other corrections described above, are referred to herein as “Current and Prior Period Adjustments.” The corrections are included in these financial statements contained herein, which we refer to herein collectively as the “Restatement”.

The following errors in the Company’s annual financial statements were identified and corrected as a result of the Investigation and the Current and Prior Period Adjustments:

a. Revenue – As noted above, the Company has concluded that in some instances revenue for certain invoices should have been recognized at a later date than when originally recognized. Under both ASC 605 and ASC 606, revenue on sales to OEM customers is typically recognized at a point in time upon shipment. The Company identified revenue from certain customer orders that was shipped early to customers without obtaining authorized approval, and thus was recognized in an incorrect period. There were also instances in which the Company could not locate evidence that the OEM customers had requested or approved the shipments. Correction of these errors, when including the rollover effect from the immediately preceding periods, decreased revenue by $0.5 million in 2018, increased revenue by $0.8 million in 2017, and increased revenue by $3.1 million in 2016.

b. Costs of processing and distribution – Primarily as a result of the error corrections noted above, when including the rollover effect from the immediately preceding periods, costs of processing and distribution decreased by less than $0.1 million in 2018, increased by $0.2 million in 2017, and increased by $2.1 million in 2016.

c. Operating expenses – The Company corrected certain errors noted above, separate from the Investigation which increased operating expenses by $1.3 million, less than $0.1 million and $0.6 million, as of December 31, 2018, 2017, and 2016, respectively.

d. Accounts receivable – Primarily as a result of the error corrections noted above relating to the timing of revenue recognition, accounts receivable decreased by $0.3 million, increased by $0.1 million, and decreased by $0.6 million, as of December 31, 2018, 2017, and 2016, respectively.

e. Inventories - net – Primarily as a result of the error corrections noted above relating to the timing of revenue recognition, inventories - net increased by $0.2 million, less than $0.1 million, and $0.3 million as of December 31, 2018, 2017, and 2016, respectively.

f. Prepaid and other current assets – The Company corrected certain errors noted above, separate from the investigation, which decreased prepaid and other current assets by $0.4 million, increased by $0.3 million, and decreased by less than $0.1 million, as of December 31, 2018, 2017, and 2016, respectively.

g. Property, plant and equipment – net – The Company corrected certain errors noted above, separate from the investigation, which increased property, plant and equipment – net by $0.1 million, as of December 31, 2016.

h. Deferred tax assets – The Company corrected certain errors noted above, relating to the tax effects of changes to the timing of revenue recognition, which increased deferred tax assets by $0.3 million, decreased by $0.1 million, and increased by $0.1 million as of December 31, 2018, 2017, and 2016, respectively.

i. Other intangible assets – net – The Company corrected certain errors, separate from the investigation, which decreased net other intangible assets – net by $0.8 million and $0.5 million as of December 31, 2018 and 2017, respectively, and increased other intangible assets – net by less than $0.1 million as of December 31, 2016.

j. Accounts payable – The Company corrected certain errors, separate from the investigation, which decreased accounts payable by $0.1 million as of December 31, 2018 and 2017, and by less than $0.1 million as of December 31, 2016.

k. Accrued expenses – The Company corrected certain errors noted above, separate from the investigation, which increased accrued expenses by $1.2 million, $0.1 million, and $0.4 million, as of December 31, 2018, 2017, and 2016, respectively.

l. Other long-term liabilities – As a result of the impact of the error corrections noted above, separate from the investigation, long-term liabilities increased $0.4 million as of December 31, 2016.

m. Payments for treasury stock – The Company corrected certain errors, separate from the investigation, which reclassified operating cash flows to financing cash flows for purchases of treasury stock by $0.5 million and $3.3 million as of December 31, 2018 and 2017, respectively.

Items Amended by this Form10-K/A

This Form10-K/A amends and restates the entire contents of the original Form10-K. The portions of this Form10-K/A that have been revised to give effect to the Restatement and matters related thereto are as follows:

• Item 1. Business

• Item 1A. Risk Factors

• Item 6. Selected Financial Data

• Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations

• Item 8. Financial Statements and Supplementary Data

• Item 9A. Controls and Procedures

• Item 15. Exhibits, Financial Statement Schedules

This Form10-K/A is also being amended to reflect the Company’s name change from RTI Surgical, Inc. to RTI Surgical Holdings, Inc. (as of the filing date of the original Form10-K, and the subsequent name change after the filing of the original Form10-K from RTI Surgical, Inc. to RTI Surgical Holdings, Inc.).

Pursuant to the rules of the SEC, Part IV, Item 15 of the original Form10-K has been amended to include currently-dated certifications from our principal executive officer and principal financial officer, as required by Sections 302 and 906 of the Sarbanes-Oxley Act of 2002. The certifications of the principal executive officer and principal financial officer are included in this Form10-K/A as Exhibits 31.1, 31.2, 32.1 and 32.2.

This Form10-K/A sets forth the information in the original Form10-K in its entirety, as such information is modified and superseded where necessary to reflect the Restatement and related revisions. Except as provided above, this Form10-K/A does not amend, update or change any other items or disclosures or otherwise reflect events occurring after the date of the original Form10-K to the date this Form10-K/A is filed. Accordingly, this Form10-K/A should be read in conjunction with the Company’s other SEC filings.

RTI SURGICAL HOLDINGS, INC.

(f/k/a RTI Surgical, Inc.)

FORM10-K/A Annual Report

Table of Contents

		Page
Part I
Item 1	Business		1
	Company Overview		1
	Strategy		1
	Corporate Information		2
	Industry Overview		2
	Marketing and Distribution		3
	The BioCleanse® Tissue Sterilization Solution		4
	The TUTOPLAST® Tissue Sterilization Solution		5
	CANCELLE® SP DBM sterilization processes		5
	Tissue Recovery		5
	Research and Development		6
	Intellectual Property		6
	Competition		7
	Government Regulation and Corporate Compliance		7
	Environmental		11
	Employees		11
	Available Information		11
Item 1A	Risk Factors		12
Item 1B	Unresolved Staff Comments		30
Item 2	Properties		30
Item 3	Legal Proceedings		31
Item 4	Mine Safety Disclosures		31
Part II
Item 5	Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities		32
Item 6	Selected Financial Data		34
Item 7	Management’s Discussion and Analysis of Financial Condition and Results of Operations		37
Item 7A	Quantitative and Qualitative Disclosures About Market Risk		52
Item 8	Financial Statements and Supplementary Data		53
Item 9	Changes in and Disagreements with Accountants on Accounting and Financial Disclosure		53
Item 9A	Controls and Procedures		53
Item 9B	Other Information		59
Part III
Item 10	Directors, Executive Officers and Corporate Governance		60
Item 11	Executive Compensation		60
Item 12	Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters		60
Item 13	Certain Relationships and Related Transactions, and Director Independence		60
Item 14	Principal Accounting Fees and Services		60
Part IV
Item 15	Exhibits and Financial Statement Schedules		61
Item 16	Form10-K/A Summary		63
	Index to Consolidated Financial Statements		64

PART I

This Annual Report on Form10-K/A and the documents incorporated by reference contain forward-looking statements that have been made pursuant to the provisions of the Private Securities Litigation Reform Act of 1995. These forward-looking statements are based on current expectations, estimates and projections about our industry, our management’s beliefs and certain assumptions made by our management. Words such as “anticipates,” “expects,” “intends,” “plans,” “believes,” “seeks,” “estimates,” “requires,” “hopes,” “may,” “will,” “assumes,” variations of such words and similar expressions are intended to identify such forward-looking statements. Do not unduly rely on forward-looking statements. These statements give our expectations about future performance, but are not guarantees of future performance and are subject to certain risks, uncertainties and assumptions that are difficult to predict; therefore, actual results may differ materially from those expressed or forecasted in any such forward-looking statements. Some of the matters described below in the “Risk Factors” section constitute cautionary statements which identify factors regarding these forward-looking statements, including certain risks and uncertainties that could cause actual results to vary materially from the future results indicated in these forward-looking statements. Other factors could also cause actual results to vary materially from the future results indicated in such forward-looking statements. Forward-looking statements speak only as of the date they are made, and unless required by law, we undertake no obligation to update publicly any forward-looking statements, whether as a result of new information, future events or otherwise.

Item 1. BUSINESS.

Company Overview

RTI is a global surgical implant company that designs, develops, manufactures and distributes biologic, metal and synthetic implants. Our implants are used in orthopedic, spine, sports medicine, general surgery, trauma and other surgical procedures to repair and promote the natural healing of human bone and other human tissues and improve surgical outcomes. We manufacture metal and synthetic implants and process donated human musculoskeletal and other tissue and bovine and porcine animal tissue in producing allograft and xenograft implants using our proprietary BIOCLEANSE^®, TUTOPLAST^® and CANCELLE^® SP sterilization processes. We process tissue at our facilities in Alachua, Florida and Neunkirchen, Germany and manufacture metal and synthetic implants in Marquette, Michigan and Greenville, North Carolina. We are accredited in the U.S. by the American Association of Tissue Banks and we are a member of AdvaMed. Our implants are distributed directly to hospitals throughout the U.S. and in more than 40 countries worldwide with the support of both our and third-party representatives as well as through larger purchasing companies.

Strategy

We are implementing a transformation strategy to increase focus on our spine and Original Equipment Manufacturer (“OEM”) operations and create long-term, profitable growth for the Company. In 2017, we introduced a new management team with extensive experience in an effort to spearhead these efforts. The core components of our strategy are:

• Reduce Complexity. We are working to reduce complexity in our organization by divestingnon-core assets and investing in core competencies.

• Drive Operational Excellence. We are working to optimize material cost and drive operational efficiency to reduce other direct costs by pursuing world class manufacturing.

• Accelerate Growth. We are investing in innovative, niche high growth product categories leveraging core competency in the spine market; utilizing core technologies to expand OEM relationships and drive organic growth; and building relevant scale in our spinal portfolio to improve our importance to the consolidating healthcare market driven increasingly by integrated delivery networks and group purchasing organizations.

We distribute human tissue, bovine and porcine animal tissue, metal and synthetic implants through various distribution channels. We operate in one reportable segment composed of four lines of business. Effective January 1, 2018, the reporting of our lines of business is composed of four franchises or lines of business: spine; sports; OEM and international. Our previous lines of business were composed of: spine; sports medicine and orthopedics; surgical specialties; cardiothoracic; international; and OEM. Additionally, effective January 1, 2018, the other revenues category is included in the OEM line of business. The prior year comparable revenue information has been restated to conform to the current year presentation. We believe that the change in the reporting of our lines of business is aligned with our focused strategy of reducing complexity and better understanding of our lines of business. Discrete financial information is not available for these four lines of business. The following table presents revenues from these four franchises and their

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respective percentages of our total revenues for the years ended December 31, 2018, 2017 and 2016:

	Year Ended December 31,
	2018				2017				2016
	(as restated)				(as restated)				(as restated)
	(In thousands)
Revenues:
Spine	$	79,812	28.4	%	$	77,646	27.6	%	$	74,086	26.9	%
Sports		54,560	19.5	%		57,070	20.4	%		54,629	19.8	%
OEM		120,024	42.8	%		111,506	39.8	%		111,013	40.2	%
International		25,966	9.3	%		25,964	9.3	%		25,109	9.1	%
Cardiothoracic		—	0.0	%		8,163	2.9	%		11,147	4.0	%
Total revenues	$	280,362	100.0	%	$	280,349	100.0	%	$	275,984	100.0	%

For additional financial information concerning our operating performance, please refer to “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in Part II, Item 7 of this Form10-K/A and our Consolidated Financial Statements in Part II, Item 8 of this Form10-K/A.

Corporate Information

We were incorporated in 1997 in Florida as a wholly-owned subsidiary of the University of Florida Tissue Bank, (“UFTB”). We began operations on February 12, 1998 when UFTB contributed to us its allograft processing operations, related equipment and technologies, distribution arrangements, research and development activities and certain other assets. At the time of our initial public offering in August 2000, we reincorporated in the State of Delaware. In July 2013, we completed our acquisition of Pioneer Surgical Technology, Inc. (“Pioneer”) and, in connection with the acquisition, changed our name from RTI Biologics, Inc. to RTI Surgical, Inc. In August 2017, we completed the sale of substantially all of the assets related to our Cardiothoracic closure business (the “CT Business”) to A&E Advanced Closure Systems, LLC (a subsidiary of A&E Medical Corporation) (“A&E”). On January 4, 2018, we acquired Zyga Technology, Inc. (“Zyga”) through the merger of one of our wholly-owned subsidiaries with and into Zyga. On November 1, 2018, the Company entered into a definitive agreement to acquire Paradigm Spine, LLC (“Paradigm”) in a cash and stock transaction. In connection with the acquisition of Paradigm, in 2019, the Company was restructured and RTI Surgical, Inc. became a wholly-owned subsidiary of RTI Surgical Holdings, Inc. Our principal offices are located at 520 Lake Cook Road, Suite 315, Deerfield, Illinois 60015, and our phone number is (877)343-6832.

Prior to the completion of the acquisition of Paradigm, the financial statements were that of RTI Surgical, Inc. and subsidiaries. Subsequently, RTI Surgical Holdings, Inc. and Subsidiaries is the successor reporting company.

Industry Overview

Defects in bone and other human tissue can be caused by a variety of sources including trauma, congenital defects, aging, revision of joint replacements, infectious disease, cancer and other similar conditions. The predominant method used to repair injured or defective bone and tissue is surgical intervention, primarily through the use of surgical implants. When considering a surgical procedure for bone or tissue repair, surgeons and patients have a number of treatment options including:

• metals and synthetics;

• “xenograft” tissue from an animal source;

• “autograft” tissue from the patient; and

• “allograft” tissue from another human donor.

Depending on the specific surgery, surgeons may elect to use any number of these treatment options. We offer a broad line of metal, synthetic, xenograft and allograft solutions to meet their needs.

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Metals and Synthetics

The medical community has used metal and synthetic materials for implant procedures for many years. Metal and synthetic technologies are used to create both surgical implants as well as instruments used in surgical procedures. These implants are used in a variety of procedures in spine, cardiothoracic, trauma and other areas. Typical metals used include surgical stainless steel and titanium. These materials are chosen for their strength and durability. Synthetic implants provide alternative implant options for surgeons and reliable availability due to the variable supply of xenograft, autograft and allograft. One common example of a synthetic material is polyetheretherketone (“PEEK”). A recent trend has emerged for advanced materials in spinal interbodies. RTI has a position in that space through its Fortilink family of products, which is produced by additive manufacturing (i.e.3-D printing) using a proprietary polyetherketoneketone (“PEKK”) material called TETRAfuse^®3-D. The Company’s exclusive supplier of TETRAfuse^®3-D is Oxford Performance Materials, Inc.

Xenograft Tissue

Xenograft tissue-based implants are common in many areas of medicine including cardiac and vascular procedures, soft tissue repair and wound care. Xenograft based implants are also used in the repair of bone defects in orthopedic surgery as carriers for demineralized bone matrix and bone morphogenic protein products. The production of xenograft implants involves recovering animal tissue, typically from cattle (bovine) or pigs (porcine), processing and sterilization, and then transplanting the xenograft implant into a human patient.

Autograft and Allograft Tissue

Many surgeons use autograft and allograft tissue in their surgical procedures to take advantage of their natural characteristics. Autograft procedures involve a surgeon harvesting tissue from one part of a patient’s body for transplant to another part of the body. Allograft tissues are recovered from cadaveric donors, processed for certain intended uses and then transplanted by a surgeon into the patient’s body to make the needed repair.

Autograft and allograft bone implants are not only “osteoconductive,” meaning they provide a scaffold for new bone to attach itself to, but can be “osteoinductive” as well, meaning they stimulate the growth of new tissue.

Marketing and Distribution

We market and distribute our implants through direct distribution channels and a combination of both exclusive andnon-exclusive OEM distributors depending upon the product category. Our implants are used in the following markets: spine, sports medicine, orthobiologics, trauma, dental, plastic surgery and other surgical specialties. Our implants range from metals, synthetics, allografts and xenografts that are precision machined for specific surgical applications, to grafts conventionally processed for general surgical uses.

Direct Channels

Spine

The human spine consists of four regions: cervical (neck region), thoracic (back region attached to the ribs), lumbar (lower back), and sacral (tail bone). We design, manufacture, and distribute surgical implants, instruments, and biologics used in the treatment of conditions affecting the spine caused by degenerative conditions, deformities or traumatic injury. Our principal implant offering includes a wide variety of systems composed of components such as spine screws and rods, spinal spacers, plates, and various biologics offerings all designed to support, enhance, or promote spinal fusion. Our principal implant offerings by market segment are as follows:

• Thoracolumbar: Streamline^® TL Spinal Fixation System, Quantum^® Spinal Fixation System, Streamline^® MIS Spinal Fixation System, MIS Fusion^TM Instrumentation, Contact^® Anterior Lumbar Plate System

• Cervical: Streamline^® Posterior Cervical Spinal Fixation System, Slimfuse^® Anterior Cervical Plate System, Aspect^® Anterior Cervical Plate System

• Lateral: Clarity^® Retractor System,Lat-Fuse^TM Lateral Plate System

• Interbody: C Plus^TM PEEK IBF System, Bullet^TM PEEK IBF System, Cross-Fuse II^® PEEK VBR/IBF System

• Biologics: The BioSet^® DBM, BioReady^® DBM, and BioAdapt^® DBM families of paste implants

• Synthetics: nanOss^® advanced bone graft substitute

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Sports

Many repetitive use and sports-related injuries can be addressed with allograft implants. The most prevalent surgeries in the knee include repairs to the anterior cruciate ligament (“ACL”), articular cartilage repair, and meniscus transplantation. The most prevalent surgeries in the shoulder include rotator cuff repair and articular cartilage repair. Our principal sports medicine allografts are tendons for ligament reconstruction, fresh osteochondral grafts for cartilage repair, and our meniscal allografts for advanced meniscus injuries. Many of our sports medicine tendon allografts utilize our patentedpre-shaped technology, which greatly reduces preparation time in the operating room and are generally easier to implant than nonpre-shaped allografts. We also distribute Matrix HD human dermis implants for wound repair and soft tissue augmentation and map3^® cellular allogeneic bone graft for foot and ankle repair. We also market and distribute implants for abdominal wall repair, and plastic and reconstructive surgery. These implants are processed through our validated Tutoplast tissue sterilization process, which has a proven track record of safety and performance. Principal products include Cortiva human dermis, Fortiva porcine dermis and Tutopatch and Tutomesh bovine pericardium.

OEM Channels

We also market and distribute our implants through relationships with OEM distributors.

Our spine interbody allograft implants are marketed and distributed domestically through ournon-exclusive relationships with Aesculap Implant Systems, Inc. (“Aesculap”), Integra Life Sciences Corporation (“Integra”), Medtronic, PLC (“Medtronic”), Orthofix International NV (“Orthofix”), Stryker Spine, a division of Stryker Corporation (“Stryker”), and Zimmer Biomet Holdings, Inc. (“Zimmer”).

Our allograft paste implants are marketed and distributed under Puros^® DBM by Zimmer and BIO DBM^™ by Stryker.

Our surgical specialty implants are marketed and distributed through distributors including: Integra for dural repair applications; Davol, Inc., a subsidiary of C. R. Bard, Inc. (“Davol”) for hernia repair and breast reconstruction; Katena Products, Inc. (“Katena”) for ophthalmology and Coloplast A/S of Denmark (“Coloplast”) for urology.

Our allograft dental implants including cancellous and cortical bone and human and bovine membranes primarily for dental procedures related to augmenting ridge restoration are distributed exclusively by Zimmer.

Our trauma implants are distributed through Zimmer and DePuy Synthes (“Synthes”), a Johnson & Johnson Inc. subsidiary. Zimmer across all implants represents approximately 21% of our total revenues.

Effective August 3, 2017, our cardiothoracic hardware implants are distributed through A&E.

International

Internationally we market and distribute our implants through a direct distribution organization and a network of independent distributors.

Cardiothoracic

On August 3, 2017, we completed the sale of substantially all of the assets related to our CT Business to A&E. We now serve as an OEM to A&E, who provides surgeons cardiothoracic cable and plating systems. The Company retained all rights to its Cardiothoracic biologic implant. Cardiothoracic hardware implants offer increased stability and rigidity for sternal closures, ranging from routine closures to complex, high-risk closures. The cardiothoracic biologic implant reinforces soft tissue where weakness exists in general, as well as for repair of pericardial structures.

The BIOCLEANSE^® Tissue Sterilization Process

We have developed and utilized in the United States the patented BIOCLEANSE^® tissue sterilization process, which is an automated, pharmaceutical grade chemical sterilization process for musculoskeletal bone and certain soft tissue. This process is fully validated to kill or inactivate all classes of conventional pathogens, viruses, microbes, bacteria and fungi. Our BIOCLEANSE^® process is able to remove greater than 99% of the blood, fats, lipids and other unwanted materials from the tissue we process. An important element of the BIOCLEANSE^® process is that while it removes unwanted materials embedded within the tissue, it maintains the tissue’s structural integrity and compression strength. Studies have shown that bone tissue sterilized with the BIOCLEANSE^® process maintains the same compression strength as untreated tissue.

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The BIOCLEANSE^® process has been reviewed by the U.S. Food and Drug Administration (“FDA”) which concluded that BIOCLEANSE^® was a validated tissue sterilization process demonstrated to prevent contamination of tissue grafts. To our knowledge, no other tissue sterilization process related to human tissue in our industry has been reviewed or approved by the FDA. It should be noted that the FDA does not have a formal approval process in place for tissue related processing techniques.

Two types of preserved allografts are processed using the BIOCLEANSE^® process: soft tissue, consisting of tendons and cartilage; and bone tissue, consisting of various configurations of cancellous and cortical bone material. Tendons and cartilage are used to repair/replace native tissue primarily in sports medicine reconstructive surgeries. Processed cortical and cancellous bone materials are used in a wide variety of applications in spine and orthopedic surgeries.

The TUTOPLAST^® Tissue Sterilization Process

The TUTOPLAST^® tissue sterilization process utilizes solvent dehydration and chemical inactivation to remove blood, lipids and extraneous materials, and inactivate viruses and break down RNA and DNA into fragments not capable of replication and disease transmission while preserving the biological and mechanical properties.

Two types of preserved allografts are processed using the TUTOPLAST^® process: soft tissue, consisting of fascia lata, pericardium, dermis, sclera and cornea; and bone tissue, consisting of various configurations of cancellous and cortical bone material. Processed pericardium, fascia lata and dermis are collagenous tissue used to repair, replace or line native connective tissue primarily in dental, ophthalmology, urology, plastic and reconstructive surgeries. Dermis is also used in hernia repair and pelvic floor reconstruction. Sclera and cornea are used in ophthalmology procedures such as anterior and posterior segment patch grafting applications for glaucoma, retina and trauma surgery and oculoplastics, as well as contour wrapping of an orbital implant. Processed cortical and cancellous bone material is used in a wide variety of applications in spine, orthopedic and dental surgeries.

The CANCELLE^® SP DBM Sterilization Process

DBM-based pastes and putties are sterilized through the CANCELLE^® SP process, which is designed to preserve protein activity. In their final form, the DBM implants serve as bone void fillers in many applications, including spinal, general orthopedic, joint reconstruction and dental surgeries.

CANCELLE^® SP is a proprietary process that sterilizes DBM pastes and putties while simultaneously allowing them to maintain their osteoinductive (“OI”) potential, which is verified by 100 percent lot testing after sterilization. The determination of OI potential is made by lot release animal studies or testing for certain protein markers. These tests are not necessarily predictive of human clinical results. Through a combination of oxidative treatments and acid or alcohol washes, debris is removed and pathogens are inactivated. Cleansing rinses remove residual chemicals, maintaining biocompatibility and preserving the utility of the graft. The CANCELLE^® SP irradiation dose is delivered terminally for most pastes and putties to achieve device-level sterility (“SAL 10^-6”).

Tissue Recovery

Tissue recovery is the actual removal of tissue from a donor after legal authorization has been obtained. Authorization is obtained by the tissue recovery group. We contract with independent FDA registered tissue recovery groups that specialize in this activity. Tissue recovery personnel aseptically recover tissue within 24 hours following a donor’s death, using surgical instruments and sterile techniques similar to those used in hospitals for routine surgery. Recovered tissue is placed on wet or dry ice, then transported by the donor recovery agency to the tissue processor or possibly a research institution.

Under U.S. law, human tissue cannot be bought and sold. However, the law permits the recovery of reasonable payments for the provision of certain services, such as those involved in recovering, processing and storing tissue and related to the advancement of tissue processing technologies; all types of activities in which we are involved.

Donor recovery groups recover a variety of tissue types from donors including the fibula, femur, tibia, humerus, ilium, pericardium, fascia lata, dermis, costal cartilage, sclera, tendons and ligaments. We believe that our established relationships with recovery organizations are sufficient to meet the ongoing operation demands for the next twelve months. These contracted tissue recovery organizations are responsible for obtaining appropriate authorization and conducting federally-mandated donor screening, such as a donor risk assessment interview (“DRAI”) with the next of kin. Each donor is evaluated against current acceptance criteria prior to donor tissue being sent to our processing facility. Upon receipt of the tissue, we conductpre-processing donor screening to determine donor medical suitability for transplantation.Pre-processing screening performed by us includes laboratory testing and a donor medical eligibility assessment. With respect to laboratory testing, we perform an extensive panel of serological and microbiological tests using Clinical Laboratory Improvements Amendment (“CLIA”) approved laboratories and FDA test kits. These results are subject to stringent criteria in order to release the donor tissue to the processing stage.

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We have relationships with tissue donor recovery agencies across the United States. We also have relationships outside the United States. We believe additional recovery group relationships would be available if needed and consequently that the loss of any one of our sources of donor tissue would not have a material impact on our operating results.

We continue to develop new xenograft tissue implants. Implants processed from xenograft tissue are regulated by the FDA as devices and require approval or licenses from the FDA prior to marketing in the United States. The sources of our bovine animal tissues are regulated closed herds. We believe that our established relationships with our sources of xenograft animal tissues are sufficient to meet our demands for our ongoing operations for the next twelve months. We believe the continued development of our xenograft implants will help us meet unmet demand for certain allografts and also allow us to develop new biological implants that cannot currently be made due to structural limitations of human tissue.

Research and Development

Our research and development (“R&D”) costs for the years ended December 31, 2018, 2017 and 2016 were $14.4 million, $13.3 million and $16.3 million, respectively. In 2018, we continued to invest in our R&D efforts by funding new projects including research and development projects at our facilities in our US locations and in Neunkirchen, Germany.

We plan to continue to develop new implants, technologies and surgical techniques within our current markets, and to develop additional technologies for other markets to address unmet clinical needs. We plan to do this by building on our core technology platforms: TETRAfuse^®3-D, BIOCLEANSE^®, TUTOPLAST^®, CANCELLE^® SP, precision machining, assembled grafts, tissue-mediated osteoinduction and our metal and synthetics design and production expertise. We are working to develop differentiated technologies and investing in generating the necessary clinical data to drive demand and support appropriate reimbursement. We operate a dedicated research team working on advanced technologies, and have embedded development/technical teams who work with the business/marketing teams focused on expanding the scope and scale of existing competencies such as tissue machining and sterilization, and metal and synthetics manufacturing to meet specific surgical needs. This approach has resulted in the development of core science platforms, a pipeline of concepts for development and marketing, and focused projects to meet immediate needs.

In 2018, we launched 6 new implants and product enhancements in spine, sports, and general orthopedics developed by our research and development teams. January 2018 marked the first clinical use of theFortilink-TS andFortilink-L product systems, which were followed by the full commercial launch of theFortilink-TS system in May 2018. The Fortilink systems are the second and third in a family of devices to incorporate our TETRAfuse 3D Technology. Additionally, 2018 began the manufacture and initial commercial use of the Thorecon sternal closure system in association with our partner A&E. The ViBone biologic product was introduced to the RTI market space through a focused and exclusive partnership with Aziyo Biologics. Enhancements were made to Streamline OCT system, continuing the history of continuously improved features and options; performance improvements were made to our synthetic biologic line with the release of nanOss 3D Plus.

Intellectual Property

Our business depends upon the significantknow-how and proprietary technology we have developed. To protect thisknow-how and proprietary technology, we rely on a combination of trade secret laws, patents, licenses, trademarks and confidentiality agreements. The effect of these intellectual property rights is to define zones of exclusive use of the covered intellectual property. The duration of patent rights generally is 20 years from the date of filing of priority application, while trademarks, once registered, are essentially perpetual. Our trademarks and service marks provide us and our implants with a certain amount of brand recognition in our markets. However, we do not consider any single patent, trademark or service mark material to our business strategy, financial condition or results of operations. We have also entered into exclusive andnon-exclusive licenses relating to a wide array of third-party technologies. In addition, we rely on our substantial body ofknow-how, including proprietary tissue recovery techniques and processes, research and development, tissue processing and quality assurance.

Our proprietary BIOCLEANSE^®, TUTOPLAST^® and CANCELLE^® SP sterilization processes are covered by one or more U.S. and/or foreign patents, patent applications or trade secrets. Other U.S. and foreign holdings include, without limitation, patents, patent applications or trade secrets relating to or covering certain precision machined allograft intervertebral spacers and other spinal implants; matrix compositions including various bone graft substitutes; membrane tissue implants; and ligament, tendon or meniscus reconstruction and repair with certain precision shaped and/or assembled bone and soft tissue implants, synthetic bone graft substitutes; interbody fusion and motion implants; spinal and orthopedic plates; spinal rods, cables and screws and spinal fixation systems and related instrumentation.

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The medical device industry is characterized by the existence of a large number of patents and frequent litigation based on allegations of patent infringement. As the number of entrants into our market increases, the risk of an infringement claim against us, as well as the risk of a third party infringing on our patents, grows. While we attempt to ensure that our implants and methods do not infringe other parties’ patents and proprietary rights, our competitors may assert that our implants, and the methods we employ, are covered by patents held by them. In addition, our competitors may assert that future implants and methods we may employ infringe their patents. If third parties claim that we infringe upon their intellectual property rights, we may incur liabilities and costs and may have to redesign or discontinue selling the affected implant. Even if we were to prevail, any litigation could be costly and time-consuming and would divert the attention of our management and key personnel from our business operations. We have in the past been, and may in the future be, involved in litigation relating to our intellectual property.

Competition

Competition in the medical implant industry is intense and subject to rapid technological change and evolving industry requirements and standards. Companies within the industry compete on the basis of design of related instrumentation, efficacy of implants, relationships with the surgical community, depth of range of implants, scientific and clinical results and pricing. Many of our competitors are substantially larger than we are, with much greater resources.

Our principal competitors in the conventional allograft market include the Musculoskeletal Transplant Foundation (“MTF”), AlloSource Inc., Community Tissue Services (“CTS”), LifeLink Tissue Bank (“LifeLink”), JRF Ortho (“JRF”), LifeCell, Inc., a subsidiary of Allergan PLC and LifeNet Health, Inc. (“LifeNet”). Among our competitors in precision machined allograft are MTF, LifeNet and AlloSource. Other companies who process and distribute allograft pastes include Medtronic, AlloSource, Integra LifeSciences Holdings Corp. (“Integra”), Wright Medical Inc. and MTF. Companies who process and distribute xenograft tissue include Baxter, Inc., LifeCell, Cook Surgical and Medtronic.

We consider our principal competitors in the metal and synthetic markets to include Medtronic, Stryker, Zimmer Biomet, Depuy Synthes, Globus Medical Group, Inc. (“Globus”), K2M Group Holdings Inc. (“K2”), NuVasive, Inc. (“NuVasive”), Alphatec Holdings Inc. (“Alphatec”), Spinal Elements (“Spinal”), Xtant Medical Holdings, Inc. (“Xtant”), SeaSpine Holdings Corporation (“SeaSpine”), and Orthofix International NV (“Orthofix”).

Government Regulation and Corporate Compliance

Government Regulation

Government regulation plays a significant role in the processing/manufacturing and distribution of allograft tissue implants and medical devices. We procure, where applicable, process/manufacture, and market our allograft tissue implants and medical devices worldwide. Although some standards of harmonization exist, each country in which we do business has its own specific regulatory requirements. These requirements are dynamic in nature and, as such, are continually changing. New regulations may be promulgated at any time and with limited notice. While we believe that we are in material compliance with all existing pertinent international and domestic laws and regulations, there can be no assurance that changes in governmental administrations and regulations, or their interpretation or application, will not adversely affect our operations. Failure to comply with applicable requirements could result in fines, injunctions, civil penalties, recall or seizure of products, suspension of production, inability to market current products, criminal prosecution, and/or refusal of the government to authorize the marketing of new products.

In the United States, most of our allograft implants are regulated by the FDA solely under Title 21 of the Code of Federal Regulations (“CFR”), Parts 1270 and 1271, “Current Good Tissue Practice for Human Cell, Tissue, and Cellular and Tissue-Based Products” (“cGTPs”). Xenograft tissues and some of our allograft-containing implants are regulated as medical devices and subject to FDA 21 CFR, Part 820 Current Good Manufacturing Practices (“cGMPs”) for Medical Devices and related statutes from the FDA. In addition, our U.S. operation is subject to certain state and local regulations, as well as compliance to the standards of the tissue bank industry’s accrediting organization, the American Association of Tissue Banks (“AATB”).

In Germany, allografts are classified as drugs and the German government regulates such implants in accordance with German Drug Law. On April 7, 2004, the European Commission issued a human tissue directive to regulate allografts within the European Union (“EU”). Our Neunkirchen facility is presently licensed by the German Health Authorities and in compliance with applicable international laws and regulations, allowing us to market our human and animal tissue implants globally.

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The FDA and international regulatory bodies conduct periodic compliance inspections of both our U.S. and our German processing facilities. All operations are registered with the U.S. FDA Center for Devices and Radiological Health (“CDRH”) for device manufacturing locations and Center for Biologics Evaluation and Research (“CBER”) for human tissue recovery, processing and distribution locations and are certified to ISO 13485:2003 and transitioning to ISO 13485:2016. The Alachua facility is also accredited by the AATB and is licensed in the states of Florida, New York, California, Maryland, Delaware and Illinois. The Neunkirchen facility is registered with the German Health Authority (“BfArM”) as a pharmaceutical and medical device manufacturer and is subject to German Drug Law. We believe that worldwide regulation of allografts and xenografts is likely to intensify as the international regulatory community focuses on the growing demand for these implants and the attendant safety and efficacy issues of citizen recipients.

We currently market and distribute allografts that are subject to the FDA’s “Human Tissue Intended for Transplantation” and “Human Cells, Tissues, and Cellular and Tissue-Based Products” regulations. Under these regulations, we are required to perform donor screening and infectious disease testing and to document this screening and testing for each donor from whom we process tissue, and to process tissues in compliance with cGTP. The FDA has authority under the rules to inspect human tissue processing facilities, and to detain, recall, or destroy tissues for which appropriate documentation and evidence of compliance is not available. We are not required to obtainpre-market approval or clearance from the FDA for allografts that meet the regulation’s definition of “human tissue.”

The FDA may regulate certain allografts as medical devices, drugs, or biologics, which would require that we obtain approval or product licensure from the FDA. This would occur in those cases where the allograft is deemed to have been “more than minimally manipulated or indicated fornon-homologous use.” In general, “homologous use” occurs when tissue is used for the same basic function that it fulfilled in the donor. The definitional criteria for making these determinations appear in the FDA’s rules. If the FDA decides that certain of our current or future allografts are more than minimally manipulated or indicated fornon-homologous use, it would require licensure, approval or clearances of those allografts. Allografts requiring suchpre-market review are subject to pervasive and continuing regulation by the FDA. We would be required to list these allografts as a drug, as a medical device, or as a biologic, and to manufacture them in specifically registered or licensed facilities in accordance with FDA regulation “Current Good Manufacturing Practices”. We would also be subject to post-marketing surveillance and reporting requirements. In addition, our manufacturing facilities and processes would be subject to periodic inspection to assess compliance with cGMPs. Our labeling and promotional activities would be subject to scrutiny by the FDA and, in certain instances, by the Federal Trade Commission. The export of drugs, devices, and biologics is also subject to more intensive regulation than is the case for human tissue implants.

Our research, development and clinical programs, as well as our manufacturing and marketing operations, are subject to extensive regulation in the United States and other countries. Most notably, all of our implants distributed in the United States are subject to the federal Food, Drug, and Cosmetic Act and the Public Health Services Act as implemented and enforced by the FDA. The regulations that cover our implants and facilities vary widely based on implant type and classification both in the United States, and from country to country. The amount of time required to obtain approvals or clearances from regulatory authorities also differs from country to country.

Unless an exemption applies, each medical device that we wish to commercially distribute in the United States will be covered by premarket notification (“510(k)”) clearance from the FDA. The FDA classifies medical devices into one of three classes. Devices deemed to pose lower risks are placed in either Class I or II, with the Class II devices typically requiring the manufacturer to submit to the FDA a premarket notification requesting permission to commercially distribute the device. This process is generally known as 510(k) clearance. Some low risk devices are exempted from this requirement. Devices deemed by the FDA to pose the greatest risks, such as life-sustaining, life-supporting or implantable devices, or devices deemed not substantially equivalent to a previously cleared 510(k) device, are placed in Class III, requiring approval through the lengthy premarket approval application (“PMA”) process. Manufacturers of most Class II medical devices are required to obtain 510(k) clearance prior to marketing their devices. To obtain 510(k) clearance, a company must submit a premarket notification demonstrating that the proposed device is “substantially equivalent” in intended use and in technological and performance characteristics to another legally marketed 510(k)-cleared “predicate device.” By regulation, the FDA’s performance goals are to clear or deny a 510(k) premarket notification within 90 FDA review days of submission of the application. As a practical matter, clearance may take longer. The FDA may require further information, including clinical data, to make a determination regarding substantial equivalence. After a device receives 510(k) clearance, any modification that could significantly affect its safety or effectiveness, or that would constitute a major change in its intended use, requires a new 510(k) clearance or could require a PMA approval.

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Class III medical devices are required to undergo the PMA approval process in which the manufacturer must establish the safety and effectiveness of the device to the FDA’s satisfaction. A PMA application must provide extensive preclinical and clinical trial data as well as information about the device and its components regarding, among other things, device design, manufacturing, and labeling. Also, during the review period, an advisory panel of experts from outside the FDA may be convened to review and evaluate the application and provide recommendations to the FDA as to the approvability of the device. In addition, the FDA will typically conduct a preapproval inspection of the manufacturing facility to ensure compliance with Quality System Regulations (“QSR”). FDA reviews of PMA applications generally can take between one and three years, or longer.

The medical devices that we develop, manufacture, distribute, and market are subject to rigorous regulation by the FDA and numerous other federal, state, and foreign governmental authorities. The process of obtaining FDA clearance and other regulatory approvals to develop and market a medical device, particularly from the FDA, can be costly and time-consuming, and there can be no assurance that such approvals will be granted on a timely basis, if at all. While we believe that we have obtained, or will be able to obtain, all necessary clearances and approvals for the manufacture and sale of our implants and that they are, or will be, in material compliance with applicable FDA and other material regulatory requirements, there can be no assurance that we will be able to continue such compliance. After an implant is placed on the market, numerous regulatory requirements continue to apply. Those regulatory requirements may include, as applicable: product listing and establishment registration; Quality System Regulations, which requires manufacturers, including third-party manufacturers, to follow stringent design, testing, control, documentation and other quality assurance procedures during all aspects of the manufacturing process; labeling regulations (including unique device identification (“UDI”) requirements), and FDA prohibitions against the promotion of products for uncleared, unapproved, oroff-label uses or indications; clearance of product modifications that could significantly affect safety or efficacy or that would constitute a major change in intended use of one of our cleared devices; Medical Device Reporting regulations, which require that manufacturers report to FDA if their device may have caused or contributed to a death or serious injury, or has malfunctioned in a way that would likely cause or contribute to a death or serious injury if the malfunction of the device or a similar device were to recur; post-approval restrictions or conditions, including post-approval study commitments; post-market surveillance regulations, which apply when necessary to protect the public health or to provide additional safety and effectiveness data for the device; the FDA’s recall authority, whereby it can ask, or under certain conditions order, device manufacturers to recall from the market a product that is in violation of governing laws and regulations; regulations pertaining to voluntary recalls; and notices of corrections or removals.

We and certain of our suppliers also are subject to announced and unannounced inspections by the FDA to determine our compliance with FDA’s QSR and other regulations. If the FDA were to find that we or certain of our suppliers have failed to comply with applicable regulations, the agency could institute a wide variety of enforcement actions, ranging from a public Warning Letter to more severe sanctions such as: fines and civil penalties against us, our officers, our employees or our suppliers; unanticipated expenditures to address or defend such actions; delays in clearing or approving, or refusal to clear or approve, our products; withdrawal or suspension of approval of our products or those of our third-party suppliers by the FDA or other regulatory bodies; product recall or seizure; interruption of production; operating restrictions; injunctions; and criminal prosecution. Moreover, governmental authorities outside the United States have become increasingly stringent in their regulation of medical devices, and our products may become subject to more rigorous regulation bynon-U.S. governmental authorities in the future. U.S. ornon-U.S. government regulations may be imposed in the future that may have a material adverse effect on our business and operations. The European Union has nationally transposed regulations based on the European Commission (“EC”) Medical Device Directives for the control of medical devices with which manufacturers must comply. New medical device regulation (“MDR”) replaced the medical device directives effective May 26, 2020. Under the MDR, manufacturing plants must have received Conformitè Europèene (“CE”) certification from a “notified body” in order to be able to sell products within the member states of the European Union. Certification allows manufacturers to stamp the products of certified plants with a CE mark. Products covered by the EC directives that do not bear the CE mark cannot be sold or distributed within the European Union. We have received certification for all currently existing manufacturing facilities and products that we distribute in the European Union.

Our products may be reimbursed by third-party payers, such as government programs, including Medicare, Medicaid, and Tricare or private insurance plans and healthcare networks. Third-party payers may deny reimbursement if they determine that a device provided to a patient or used in a procedure does not meet applicable payment criteria or if the policy holder’s healthcare insurance benefits are limited. Also, third-party payers may challenge the medical necessity and prices paid for our products and services.

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The False Claims Act, Anti-Kickback Statute, Foreign Corrupt Practices Act, and United Kingdom Bribery Act of 2010, as well as state and international anti-bribery and anti-corruption legislation, regulate the conduct of medical device companies’ interactions with the healthcare industry. Among other things, these laws and others generally: (1) prohibit the provision of anything of value in exchange for the referral of patients for, or the purchase, order, or recommendation of, any item or service reimbursed by a federal healthcare program, (including Medicare and Medicaid); (2) require that claims for payment submitted to federal healthcare programs be truthful; and (3) prohibit inappropriate payment to foreign officials for the purpose of obtaining or retaining business. RTI maintains a Compliance Program that incorporates the seven fundamental elements as set forth by the Office of the Inspector General within the U.S. Department of Health and Human Services. This facilitates RTI’s compliance with requirements regarding the prohibition of inappropriate transfers of value in exchange for referrals or obtaining or retaining foreign business engagements, prohibition regarding the submission of inappropriate claims for reimbursement to federal healthcare programs, as well as generally ensuring ethical interactions with the healthcare industry both domestically and internationally.

Under Section 6002 of The Patient Protection and Affordable Care Act of 2010 (known as the Physician Payment Sunshine Act) and similar state and international transparency reporting legislation, RTI is required to collect data regarding payments or other transfers of value to physicians, teaching hospitals, and other persons in the healthcare industry. RTI’s Compliance Program ensures all such payments and transfers of value are appropriate per the requirements of applicable anti-bribery or anti-corruption legislation and that all required data is reported to relevant governmental entities as called for by applicable transparency reporting legislation.

In addition, U.S. federal, state, and international laws protect the confidentiality of certain health information, in particular individually identifiable information such as medical records and restrict the use and disclosure of that protected information. RTI complies with the Health Insurance Portability and Accountability Act of 1996 (“HIPAA”) due to its status as a covered entity related to the provision of a health plan for its employees. RTI is not otherwise regulated by HIPAA, but voluntarily incorporates many HIPAA standards in its corporate policies regarding handling of health data it receives. At the international level, the General Data Protection Regulation (“GDPR”) (EU 2016/679) applies to RTI’s processing of personal data of residents of the European Union. This law protects processing of all personal data by regulating collection, use, and disclosure as well as privacy and security requirements and imposes penalties for violations. RTI complies with this regulation for both general personal data as well as the higher sensitivity standards for health data and is implementing the standards of this regulation as part of corporate policy for processing of personal data from all jurisdictions.

During the third quarter of 2018, we decided to stop procurement, manufacturing and distributing the map3^® implants. This activity was completed in the fourth quarter of 2018, with frequent and transparent communication to the FDA. The map3^® product is now off the market.

Effective May 26, 2020, the European Union’s new MDR replaced the current medical device directives. All medical devices currently distributed in the European Union under the medical device directives are likely impacted. The MDR may also include products, such as human tissue, not traditionally considered medical devices in the European Union. Additionally, the MDR, among other things, increases regulatory requirements for several medical device groupings applicable to our implants distributed in the European Union, including strengthening notified body oversight for Class I reusable surgical instruments, andup-classifying spinal devices in contact with the spinal column.

Corporate Compliance

We have a comprehensive compliance program. It is a fundamental policy of our Company to conduct business in accordance with the highest ethical and legal standards. Our corporate compliance and ethics program is designed to promote legal compliance and ethical business practices throughout our domestic and international businesses.

Our compliance program is designed to substantially meet U.S. Sentencing Commission Guidelines for effective organizational compliance and ethics programs and to prevent and detect violations of applicable federal, state and local laws. Our compliance program is additionally responsible for compliance with relevant international laws and implementation of corporate programs to ensure compliance with multi-jurisdictional legislation on similar topics, i.e. HIPAA and GDPR.

Key elements of our compliance program include:

• Organizational oversight by senior-level personnel responsible for the compliance functions within our company.

• Written standards and procedures, including a Code of Conduct.

• Methods for communicating compliance concerns, including anonymous reporting mechanisms.

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• Investigation and remediation measures to ensure prompt response to reported matters and timely corrective action.

• Compliance education and training for employees and contracted business associates such as distributors.

• Auditing and monitoring controls to promote compliance with applicable laws and assess program effectiveness.

• Oversight of interactions with healthcare professionals to ensure compliance with healthcare fraud & abuse laws, including mandated reporting of transfers of value to healthcare professionals under the Affordable Care Act.

• Oversight of corporate handling of personal data to ensure compliance with data protection legislation.

• Disciplinary guidelines to enforce compliance and address violations.

• Screening of employees and relevant contracted business associates.

• Risk assessments to identify areas of regulatory compliance risk.

Environmental

Our allografts and xenografts, as well as the chemicals used in processing natural tissues and also in the manufacturing of metal and synthetic implants, are handled and disposed of in accordance with country-specific, federal, provincial, regional, state and/or local regulations, as applicable. We contract with independent, third parties to perform all gamma irradiation of our surgical implants. In view of the engagement of a third party to perform irradiation services, the requirements for compliance with radiation hazardous waste do not apply, and therefore we do not anticipate that having any material adverse effect upon our capital expenditures, results of operations or financial condition. However, we are responsible for assuring that the service is being performed in accordance with applicable regulations.

Employees

As of December 31, 2018, we had a total of 891 employees of which 142 were employed outside of the United States. Management believes its relations with its employees are good.

Available Information

Our Internet address is www.rtix.com. Information included on our website is not incorporated by reference in our Form10-K/A. We make available, free of charge, on or through the investor relations portion of our website, our annual reports on Form10-K/A, quarterly reports on Form10-Q and current reports on Form8-K and amendments to such reports filed or furnished pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), as soon as reasonably practicable after we file such material with, or furnish it to the SEC. These filings are also available on the SEC’s website at www.sec.gov. Also available on our website is our Corporate Governance Guidelines, our Code of Conduct, our Code of Ethics for Senior Financial Professionals, and the charters for our Audit Committee, Compensation Committee, Nominating and Governance Committee and Science and Technology Committee. Within the time period required by the SEC and Nasdaq, we will post any amendment to our Code of Ethics for our senior financial professionals and any waiver of our Code of Conduct applicable to our senior financial professionals, executive officers and directors.

On November 1, 2018, we entered into a definitive agreement to acquire Paradigm in a cash and stock transaction valued at up to $300.0 million, consisting of $150.0 million at closing plus potential future milestone payments. Established in 2005, Paradigm’s primary product is the coflex^® Interlaminar Stabilization^® device, a differentiated and minimally invasive motion preserving stabilization implant that is FDA premarket approved for the treatment of moderate to severe (LSS) in conjunction with decompression. The transaction is expected to close by the end of the first quarter of 2019 and is subject to the satisfaction of customary closing conditions and applicable regulatory approvals.

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Item 1A. RISK FACTORS

An investment in our common stock involves a high degree of risk. You should consider each of the risks and uncertainties described in this section and all of the other information in this document before deciding to invest in our common stock. Any of the risk factors we describe below could severely harm our business, financial condition and results of operations. The market price of our common stock could decline if any of these risks or uncertainties develops into actual events and you may lose all or part of your investment.

We are involved in an ongoing government investigation by the United States Securities and Exchange Commission, the results of which may have a material adverse effect on our financial condition and business.

As discussed in the “Explanatory Note” of this Form10-K/A, the Audit Committee of the Board, with the assistance of independent legal and forensic accounting advisors, conducted an internal investigation of matters relating to the Company’s revenue recognition practices for certain contractual arrangements, primarily with OEM customers, including the accounting treatment, financial reporting and internal controls related to such arrangements (the “Investigation”). The Investigation also examined transactions to understand the practices related to manual journal entries for accrual and reserve accounts. The Investigation was precipitated by an investigation that the SEC is currently conducting of current and prior period matters relating to RTI’s revenue recognition practices (the “SEC Investigation”). The SEC has subpoenaed certain documents in connection with its investigation. We are cooperating with the SEC in connection with its investigation. Investigations of this nature are inherently uncertain and their results cannot be predicted. Regardless of the outcome, the SEC Investigation can have an adverse impact on us because of legal costs, diversion of management resources, and other factors. The SEC Investigation could also result in reputational harm to RTI, which, among other things, may limit the Company’s ability to obtain new customers and enter into new agreements with our existing customers and have a material adverse effect on RTI’s current and future business.

The SEC Investigation and the restatement of our previously issued financial statements, the errors that resulted in such restatement, the material weakness that was identified in our internal control over financial reporting and the determination that our internal control over financial reporting and disclosure controls and procedures were not effective, could result in loss of investor confidence, and additional litigation or governmental proceedings or investigations, any of which could cause a material adverse effect on our business, results of operations and financial condition.

As discussed in the “Explanatory Note” of this Form 10-K/A and as further discussed in Notes 27 and 28 of the Consolidated Financial Statements in Part II, Item 8, “Financial Statements and Supplementary Data”, in connection with the filing of this Form 10-K/A, we corrected certain historical errors related to the timing of its revenue recognition for certain contractual arrangements, primarily with OEM customers, including the accounting treatment, financial reporting and internal controls related to such arrangements. As a result, we have determined that revenue for certain invoices should have been recognized at a later date than when originally recognized. In response to binding purchase orders from certain OEM customers, goods were shipped and received by the customers before requested delivery dates and agreed-upon delivery windows. In many instances, the OEM customers requested or approved the early shipments, but the Company has determined that on other occasions the goods were delivered early without obtaining the customers’ affirmative approval. In addition, the Company has concluded that in July 2017 an adjustment was improperly made to a product return provision in the Direct Division. The revenue for those shipments is being restated as well as for other orders that shipped earlier than the purchase order due date in the system for which the Company could not locate evidence that the OEM customers had requested or approved the shipments. In addition, the Company has concluded that in the periods from 2015 through the fourth quarter of 2018, certain adjustments were improperly or erroneously made via manual journal entries to accrual/reserve accounts, including a July 2017 adjustment to a product return provision in the Direct Division, among others. Due to these determinations, we concluded that our previously issued consolidated financial statements for fiscal years ended December 31, 2016, 2017 and 2018, and selected financial data for the years ended December 31, 2014 and 2015, and each of our unaudited condensed consolidated financial statements and related disclosures for the quarterly and year-to-date periods during such years, should be restated. As a result of these errors and restatement, we are subject to additional risks and uncertainties, including litigation and loss of investor confidence. There is currently ongoing stockholder litigation related to the Investigation. A class action complaint was filed by Patricia Lowry against the Company, and certain current and former officers of the Company, in the United States District Court for the Northern District of Illinois on March 23, 2020 demanding a jury trial. A shareholder derivative lawsuit was filed by David Summers on behalf of the Company against certain current and former directors and officers of the Company in the United States District Court for the Northern District of Illinois on June 5, 2020 demanding a jury trial. In the future, we may become subject to additional litigation or governmental proceedings or investigations that could result in additional unanticipated legal costs regardless of the outcome of the litigation. If we are not successful in any such litigation, we may be required to pay substantial damages or settlement costs.

In connection with this restatement of our historical consolidated financial statements, we have also identified material weaknesses in our internal control over financial reporting, and management has concluded that our internal control over financial reporting and disclosure controls and procedures were not effective as of December 31, 2018. For further discussion of the material weaknesses, please see “Item 9A. Controls and Procedures”. Remediation efforts place a significant burden on management and add increased pressure to our financial resources and processes.

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If we are unable to successfully remediate our existing or any future material weaknesses or other deficiencies in our internal control over financial reporting or disclosure controls and procedures, investors may lose confidence in our financial reporting and the accuracy and timing of our financial reporting and disclosures and our business, reputation, results of operations, financial condition, market value of our debt securities, and ability to access the capital markets through debt issuances could be adversely affected.

We depend heavily upon sources of human tissue, and any failure to obtain tissue from these sources in a timely manner will interfere with our ability to process and distribute allografts.

The supply of human tissue has at times limited our growth, and may not be sufficient to meet our future needs. In addition, due to seasonal changes in mortality rates, some scarce tissues that we currently use for allografts are at times in particularly short supply. Other factors, some of which are unpredictable, such as negative publicity and regulatory actions in the industry in which we operate (and which may not involve us) also could unexpectedly reduce the available supply of tissue.

We rely on donor recovery groups for their human tissue supplies and we have relationships with tissue donor recovery groups across the country. We also have relationships outside the United States. Donor recovery groups are part of relatively complex relationships. They provide support to donor families, are regulated by the FDA and applicable foreign equivalents, and are often affiliated with hospitals, universities or organ procurement organizations. Our relationships with donor recovery groups, which are critical to our supply of tissue, could be affected by relationships recovery groups have with other organizations. Any negative impact arising from potential regulatory and disease transmission issues facing the industry, as well as the negative publicity that these issues could create, could adversely affect our ability to negotiate contracts with recovery groups.

We cannot be sure that the supply of human tissue will continue to be available at current levels or will be sufficient to meet our needs. If we are not able to obtain tissue from current sources sufficient to meet our needs, we may not be able to locate additional replacement sources of tissue on commercially reasonable terms, if at all. Any interruption of our business caused by the need to locate additional sources of tissue could significantly impact our revenues. We expect that our revenues from allografts would decline in proportion to any decline in tissue supply.

We depend on various third-party suppliers and, in some cases, a single third-party supplier for key raw materials and component parts, apart from human tissue, used in our tissue processing and manufacturing processes, and the loss of any of these third-party suppliers, or their inability to supply us with adequate raw materials, could harm our business.

We use a number of raw materials in addition to human tissue, including titanium, titanium alloys, stainless steel, PEEK, PEKK, and animal tissue. We rely from time to time on a number of suppliers and, in some cases, on a single source vendor. Our dependence on single third-party suppliers, or even a limited number of third-party suppliers in certain instances, creates several risks, including limited control over pricing, availability, quality and delivery schedules. In addition, any supply interruption or cancellation in a limited or sole sourced component or raw material could materially harm our ability to manufacture our products until a new source of supply, if any, could be found. We may be unable to find a sufficient alternative supply channel in a reasonable time period or on commercially reasonable terms, if at all, which would have an adverse effect on our business, financial condition and results of operations. In addition, a change in manufactures will require qualification of the new supplier to ensure they comply with or quality standards. Delays in qualifying a new supplier orre-qualifying an existing supplier could have an adverse effect on our business, financial condition and results of operations.

Consolidation in the healthcare industry could lead to demands for price concessions or to the exclusion of some suppliers from certain of our markets, which could have an adverse effect on our business, financial condition or results of operations.

Numerous initiatives and reforms initiated by legislators, regulators and third-party payers to curb rising healthcare costs, in addition to other economic factors, have resulted in a consolidation trend in the healthcare industry to create new companies with greater market power, including hospitals. As the healthcare industry consolidates, competition to provide products and services to industry participants has become, and will likely continue to become, more intense. This in turn has resulted, and will likely continue to result in, greater pricing pressures and the exclusion of certain suppliers from various market segments as group purchasing organizations (“GPOs”), independent delivery networks (“IDNs”), and large single accounts continue to use their market power to consolidate purchasing decisions for some of our existing and prospective customers. We expect the market demand, government regulation, and third-party reimbursement policies, among other potential factors, will continue to change the worldwide healthcare industry, resulting in further business consolidations and alliances among our customers and prospective customers, which may reduce competition among our existing and prospective customers, exert further downward pressure on the prices of our implants and may adversely impact our business, financial condition or results of operations.

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Our health insurance and prescription drug coverage, along with our self-insurance reserves, may not cover future claims.

For the health insurance year beginning January 1, 2016, we began to self-insure for our U.S. employees’ medical and prescription drug insurance coverage. We are responsible for losses up to certain retention limits on both aper-claim and aggregate basis.

For policies under which we are responsible for losses, we record a liability that represents our estimated cost of claims incurred and unpaid as of the balance sheet date. Our estimated liability is not discounted and is based on a number of assumptions and factors, including historical trends and economic conditions, and is closely monitored and adjusted when warranted by changing circumstances. Fluctuating healthcare costs, severity of claims, increases in the employee population, and deviations from our expectations could affect the accuracy of estimates based on historical experience. If actual claims are greater in number and/or severity compared to what was estimated or medical costs increase beyond what was expected, our accrued liabilities might not be sufficient and we may be required to record additional expense. Unanticipated changes may produce materially different amounts of expense than that reported under these programs, which could adversely impact our operating results.

We operate in a highly regulated industry. An inability to meet current or future regulatory requirements in the U.S. or foreign jurisdictions, or any deficiencies with our manufacturing or quality systems and processes identified by regulatory agencies, could disrupt our business, subject us to regulatory action and costly litigation, damage our reputation for high quality production, cause a loss of confidence in the company and our implants and negatively impact our financial position and operating results.

The FDA and several states have statutory authority to regulate allograft processing, including our BIOCLEANSE^®, TUTOPLAST^® and CANCELLE^® SP processes, and allograft-based materials. We must register our facilities, whether located in the United States or elsewhere, with the FDA as well as regulators outside the U.S., and our implants must be made in a manner consistent with current good tissue practices (“cGTP”) or similar standards in each jurisdiction in which we manufacture. In addition, the FDA and other agencies perform periodic audits to ensure that our facilities remain in compliance with all appropriate regulations, including primarily the quality system regulations and medical device reporting regulations. Following an inspection, an agency may issue a notice listing conditions that are believed to violate cGTP or other regulations (such as an FDA report on Form 483, Notice of Observations), or a warning letter for violations of “regulatory significance” that may result in enforcement action if not promptly and adequately corrected.

Since 2009, the FDA has significantly increased its oversight of companies’ subject to its regulations, including medical device companies, by hiring new investigators and stepping up inspections of manufacturing facilities. In recent years, the FDA has also significantly increased the number of warning and untitled letters issued to companies. If the FDA were to conclude that we are not in compliance with applicable laws or regulations, or that any of our implants are ineffective or pose an unreasonable health risk, the FDA could ban such implants, detain or seize adulterated or misbranded implants, order a recall, repair, replacement, or refund of such implants, refuse to grant pending premarket approval applications or require certificates of foreign governments for exports and/or require us to notify health professionals and others that the implants present unreasonable risks of substantial harm to the public health. The FDA may also impose operating restrictions, enjoin and restrain certain violations of applicable law pertaining to medical devices and assess civil or criminal penalties against our officers, employees or us. The FDA may also recommend prosecution to the Department of Justice. Any adverse regulatory action, depending on its magnitude, may restrict us from effectively marketing and selling our implants. Any inability to meet current or future regulatory requirements in the United States or foreign jurisdictions, or any deficiencies with our manufacturing or quality systems and processes identified by regulatory agencies would likely disrupt our business, subject us to regulatory action and costly litigation, damage our reputation for high quality production, cause a loss of confidence in the company and our implants and negatively impact our financial position and operating results.

If any of our allografts fall under the FDA’s definitions of “more than minimally manipulated or indicated fornon-homologous use,” we would be required to obtain medical device approval or clearance or biologics licenses, which could require clinical testing and could result in disapproval of our license applications and restricted distribution of any of our allografts which may become subject topre-market approval. The FDA could require post-market testing and surveillance

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to monitor the effects of such allografts, could restrict the commercial applications of these allografts, and could conduct periodic inspections of our facilities and our suppliers. Delays encountered during the FDA approval process could shorten the patent protection period during which we have the exclusive right to commercialize such technologies or could allow others to come to market before us with similar technologies. For example, on November 9, 2017, the FDA issued a Warning Letter to us related to our map3^® allograft. The letter reiterated the FDA’s previously expressed belief that the processing of map3^® allograft rendered it “more than minimally manipulated” and therefore subject to the requirements of a biologics license application and associated manufacturing requirements under GMP regulations, 21 CFR Part 211. There was no requirement to cease production or to recall distributed map3^® allografts from the market. Although we worked diligently and collaboratively with the FDA to resolve any concerns regarding the map3^® allografts, including providing comprehensive packages of data to address the FDA’s comments and we believe that in both developing and processing of map3^® we properly considered the relevant regulatory requirements, we decided during the third quarter of 2018 to stop procurement, manufacturing and distributing the map3^® implants effective October 31, 2018. The map3^® product is now off the market.

cGTP covers all stages of allograft processing, from procurement of tissue to distribution of final allografts. In addition, these regulations have a significant effect upon recovery agencies which supply us with tissue and have increased the cost of recovery activities. These increases have translated into increased costs for us, because we are expected to reimburse the recovery agencies based on their cost of recovery.

In addition to the FDA, several state agencies regulate tissue banking. Regulations issued by Florida, New York, California and Maryland are particularly relevant to our business. Most states do not currently have tissue banking regulations, but it is possible that others may make allegations against us or against donor recovery groups or tissue banks, including those with which we have relationships, aboutnon-compliance with applicable FDA regulations or other relevant statutes and regulations. Allegations like these could cause regulators or other authorities to take investigative or other action, or could cause negative publicity for our business and the industry in which we operate.

Most of our metal, synthetic, and xenograft products, and a few allograft products, fall into an FDA classification that requires the submission of a Premarket Notification (510(k)) to the FDA. This process requires us to demonstrate that the device to be marketed is at least as safe and effective as, that is, substantially equivalent to, a legally marketed device. We must submit information that supports our substantial equivalency claims. Before we can market the new device, we must receive an order from the FDA finding substantial equivalence and clearing the new device for commercial distribution in the U.S.

We are also subject to periodic inspection by the FDA for compliance with its Quality System Regulation (21 CFR Part 820) (“QSR”), among other FDA requirements, such as restrictions on advertising and promotion. Our manufacturing operations, and those of our third-party manufacturers, are required to comply with the QSR, which addresses a company’s responsibility for product design, testing and manufacturing quality assurance and the maintenance of records and documentation. The QSR requires that each manufacturer establish a quality system by which the manufacturer monitors the manufacturing process and maintains records that show compliance with FDA regulations and the manufacturer’s written specifications and procedures relating to the devices. QSR compliance is necessary to receive and maintain FDA clearance or approval to market new and existing products. The FDA makes announced and unannounced periodic andon-going inspections of medical device manufacturers to determine compliance with the QSR. If in connection with these inspections the FDA believes the manufacturer has failed to comply with applicable regulations and/or procedures, it may issue inspectional observations on Form 483 that would necessitate prompt corrective action. If FDA inspectional observations are not addressed and/or corrective action is not taken in a timely manner and to the FDA’s satisfaction, the FDA may issue a warning letter (which would similarly necessitate prompt corrective action) and/or proceed directly to other forms of enforcement action, including the imposition of operating restrictions, including a ceasing of operations, on one or more facilities, enjoining and restraining certain violations of applicable law pertaining to medical devices and assessing civil or criminal penalties against our officers, employees or us. The FDA could also issue a warning letter or a consent decree. The FDA may also recommend prosecution to the U.S. Department of Justice (“DOJ”). Any adverse regulatory action, depending on its magnitude, may restrict us from effectively manufacturing, marketing and selling our products and could have a material adverse effect on our business, financial condition and results of operations. For information regarding certain warning letters and FDA Form 483 inspectional observations that we are addressing, see Note 22 to the consolidated financial statements.

The FDA, in cooperation with U.S. Customs and Border Protection (“CBP”), administers controls over the import of medical devices into the U.S. The CBP imposes its own regulatory requirements on the import of our products, including inspection and possible sanctions for noncompliance. We are also subject to foreign trade controls administered by certain U.S. government agencies, including the Bureau of Industry and Security within the Commerce Department and the Office

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of Foreign Assets Control within the Treasury Department (“OFAC”). There are also requirements of state, local and foreign governments that we must comply with in the manufacture and marketing of our products. In many of the foreign countries in which we market our products, we are subject to local regulations affecting, among other things, design and product standards, packaging requirements and labeling requirements. Many of the regulations applicable to our devices and products in these countries are similar to those of the FDA. The member countries of the European Union have adopted the European Medical Device Directive, which creates a single set of medical device regulations for products marketed in all member countries. Compliance with the Medical Device Directive and certification to a quality system (e.g., ISO 13485 certification) enable the manufacturer to place a CE mark on its products. To obtain authorization to affix the CE mark to a product, a recognized European Notified Body must assess a manufacturer’s quality system and the product’s conformity to the requirements of the Medical Device Directive. We are subject to inspection by the Notified Bodies for compliance with these requirements. In addition, many countries, such as Germany, have very specific additional regulatory requirements for quality assurance and manufacturing with which we must comply.

Effective May 26, 2020, the European Union’s new MDR replaced the current medical device directives. All medical devices currently distributed in the European Union under the medical device directives are likely impacted. The MDR may also include products, such as human tissue, not traditionally considered medical devices in the European Union. Additionally, the MDR, among other things, increases regulatory requirements for several medical device groupings applicable to the Company’s implants distributed in the European Union, including strengthening notified body oversight for Class I reusable surgical instruments, andup-classifying spinal devices in contact with the spinal column. Additionalpre-clinical testing or clinical studies may be required to meet new MDR requirements. As notified bodies are preparing for certification under the MDR, a trend has been observed among industry participants that the notified bodies are becoming more rigorous and conservative in their interpretation and application of currently existing directives, resulting in observations requiring corrective actions, particularly with respect to clinical evaluation reports (CERs), that cause industry members, including the Company, to incur additional costs. Further, with the implementation of the MDR the demand for notified body services is anticipated to increase while the number of eligible entities qualified as notified bodies is anticipated to decrease, thereby creating for the foreseeable future an imbalance in supply and demand that is anticipated to increase the cost of notified body services. Meeting the requirements of the MDR will likely cause us to incur additional costs and/or require us to discontinue distributing certain products in the European Union and other countries outside the European Union that rely on the CE mark for distribution into such countries. If we are unable to timely meet the requirements of the new MDR we may be prohibited from distributing our affected products in the European Union and other countries that rely on the CE mark, which could cause us to lose revenue. Further, notified bodies are subject to new certification. If the Company’s notified body is notre-certified, or if they are certified for a narrower range of product types, the Company may have to engage a new or additional notified body which could cause a delay in meeting the new MDR requirements. Individually or cumulatively, these changes associated with the MDR could cause us to incur costs or require us to change our business practices in a manner adverse to our business.

Our business is subject to complex and evolving U.S. and international laws and regulation regarding privacy and data protection. Many of these laws and regulations are subject to change and uncertain interpretation and could result in claims, changes to our business practices, penalties, increased cost of operations, or declines in user growth or engagement, or otherwise harm our business.

Regulatory authorities around the world are considering a number of legislative and regulatory proposals concerning data protection. The interpretation and application of consumer and data protection laws in the U.S., European Union and elsewhere are often uncertain and subject to change. It is possible that these laws may be interpreted and applied in a manner that is inconsistent with our data practices. These legislative and regulatory proposals, if adopted, and such interpretations could, in addition to the possibility of fines, result in an order requiring that we change our data practices, which could have an adverse effect on our business and results of operations. Complying with these various laws could cause us to incur substantial costs or require us to change our business practices in a manner adverse to our business.

Recent legal developments in Europe have created compliance uncertainty regarding certain transfers of personal data from Europe to the United States. For example, the General Data Protection Regulation (“GDPR”), which became effective in the European Union on May 25, 2018, applies to our activities conducted from an establishment in the European Union or related to products and services that we offer to European Union customers. The GDPR will create a range of new compliance obligations, which could cause us to change our business practices, and will significantly increase financial penalties for noncompliance.

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In addition, the European Commission in July 2016 and the Swiss Government in January 2017 approved theEU-U.S. and theSwiss-U.S. Privacy Shield frameworks, respectively, which are designed to allow U.S. companies that self-certify to the U.S. Department of Commerce and publicly commit to comply with the Privacy Shield requirements to freely import personal data from the European Union and Switzerland. However, these frameworks face a number of legal challenges and their validity remains subject to legal, regulatory and political developments in both the European Union and the U.S. This has resulted in some uncertainty, and compliance obligations could cause us to incur costs or require us to change our business practices in a manner adverse to our business.

Our administrative headquarters and a majority of all of our allograft processing facilities are currently conducted in locations that may be at risk of damage from hurricanes, fire, or other natural disasters. If a natural disaster strikes our administrative headquarters or any of our other processing or manufacturing facilities, our operations may be interrupted and we may be unable to process or manufacture certain products for a substantial amount of time.

Our administrative headquarters and a majority of all of our allograft processing facilitiesare located in Alachua, Florida, in an area with historical occurrences of hurricane damage and wild fires. We have taken precautions to safeguard our facilities, including obtaining property, casualty and business interruption insurance. We have also developed an information technology disaster recovery plan. However, any future natural disaster at this or our other locations could cause substantial delays in our operations, damage or destroy our facilities, equipment or inventory, and cause us to incur additional expenses. A disaster could seriously harm our business, financial condition and results of operations. Our facilities would be difficult to replace and would require substantial lead time to repair or replace. The insurance we maintain may not be adequate to cover our losses in any particular case and may not continue to be available to us on acceptable terms, or at all.

If we fail to maintain existing strategic relationships or are unable to identify distributors of our implants, revenues may decrease.

We currently derive a significant amount of our revenues through distributors such as Zimmer, Medtronic and Synthes. In addition, our spine distributors provide nearly all of the instrumentation, surgeon training, distribution assistance and marketing materials for the lines of spinal implants that we produce and they distribute.

Variations in the timing and volume of orders by our distributors, particularly those who distribute a significant amount of our implants, may have a material effect upon our revenues. If our relationships with our distributors are terminated or reduced for any reason and we are unable to replace these relationships with other means of distribution, we could suffer a material decrease in revenues.

We may need, or decide it is otherwise advantageous to us, to obtain the assistance of additional distributors to market and distribute our new implants and technologies, as well as to market and distribute our existing implants and technologies, to new markets or geographical areas. We may not be able to find additional distributors who will agree to and are able to successfully market and distribute our implants and technologies on commercially reasonable terms, if at all. If we are unable to establish additional distribution relationships on favorable terms, our revenues may decline.

Also, our financial results are dependent upon the service efforts of our distributors. If our distributors are unsuccessful in adequately servicing our products, our sales could significantly decrease.

If third-party payers fail to provide appropriate levels of reimbursement for the use of our implants, revenues could be adversely affected.

The impact of United States healthcare reform legislation on our business remains uncertain. In 2010 federal legislation to reform the United States healthcare system was enacted into law. The impact of thisfar-reaching legislation, including Medicare provisions purportedly aimed at improving quality and decreasing costs, comparative effectiveness research, an independent payment advisory board, and pilot programs to evaluate alternative payment methodologies, could meaningfully change the way healthcare is designed and delivered. It is possible that aspects of currently enacted legislation may change or be struck down by the courts. The extent of any such changes and the impact on our business is uncertain. We therefore cannot predict what other healthcare programs and regulations will be ultimately implemented at the federal or state level, or the effect of any future legislation, court rulings or regulation in the United States. Amendments to, or rescissions of, existing laws and regulations, or the implementation of new ones, could meaningfully change the way healthcare is designed and delivered. Any change that lowers reimbursement for an implant, our services, or our other technologies, or that reduces medical procedure volumes, would likely adversely impact our business and results of operations.

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If we fail to maintain the high processing standards that implants require or if we are unable to develop processing capacity as required, our commercial opportunity will be reduced or eliminated.

Implants require careful calibration and precise, high-quality processing and/or manufacturing. Achieving precision and quality control requires skill and diligence by our personnel. If we fail to achieve and maintain these high standards, including avoiding processing and manufacturing errors, and, depending on the nature of the complaint, design defects or component failures; we could be forced to recall, withdraw or suspend distribution of our implants; our implants and technologies could fail quality assurance and performance tests; production and deliveries of our implants could be delayed or cancelled and our processing and/or manufacturing costs could increase.

Further, to be successful, we will need to manage our human tissue processing capacity related to tissue recovery and demand for our allografts. It may be difficult for us to match our processing capacity to demand due to problems related to the amount of suitable tissue, quality control and assurance, tissue availability, adequacy of control policies and procedures and lack of skilled personnel. If we are unable to process and produce our implants on a timely basis, at acceptable quality and costs, and in sufficient quantities, or if we experience unanticipated technological problems or delays in processing, it may reduce revenues, increase our cost per allograft processed or both.

The allograft industry is subject to additional local, state, federal and international government regulations and any increased regulations of our activities could significantly increase the cost of doing business, thereby reducing profitability.

Some aspects of our business are subject to additional local, state, federal or international regulation. Changes in the laws or new interpretations of existing laws could negatively affect our business, revenues or prospects, and increase the costs associated with conducting our business. In particular, the procurement and transplantation of allograft tissue is subject to federal regulation under the National Organ Transplant Act (“NOTA”), a criminal statute that prohibits the purchase and sale of human organs, including bone and other tissue. NOTA permits the payment of reasonable fees associated with the transportation, processing, preservation, quality control and storage of human tissue. If NOTA were amended or interpreted in a way that made us unable to include some of these costs in the amounts we charge our customers, it could reduce our revenues and therefore negatively impact our business. It is possible that more restrictive interpretations or expansions of NOTA could be adopted which could require us to change one or more aspects of our business, at a substantial cost, in order to continue to comply with this statute.

A variety of additional local, state, federal and international government laws and regulations govern our business, including those relating to the storage, handling, generation, manufacture and disposal of medical wastes from the processing of tissue and collaborations with health care professionals. If we fail to conduct our business in compliance with these laws and regulations, we could be subject to significant liabilities for which our insurance may not be adequate. Moreover, such insurance may not always be available in the future on commercially reasonable terms, if at all. If our insurance proves to be inadequate to pay a damage award, we may not have sufficient funds to do so, which would harm our financial condition and liquidity.

Our success depends on the continued acceptance of our surgical implants and technologies by the medical community.

New allograft, xenograft, metal or synthetic implants, technologies or enhancements to our existing implants may never achieve broad market acceptance, which can be affected by numerous factors, including lack of clinical acceptance of implants and technologies; introduction of competitive treatment options which render implants and technologies too expensive or obsolete; lack of availability of third-party reimbursement; and difficulty training surgeons in the use of tissue implants and technologies.

Market acceptance will also depend on our ability to demonstrate that our existing and new implants and technologies are an attractive alternative to existing treatment options. Our ability to do so will depend on surgeons’ evaluations of the clinical safety, efficacy, ease of use, reliability and cost-effectiveness of these treatment options and technologies. For example, we believe that some in the medical community have lingering concerns over the risk of disease transmission through the use of allografts.

Furthermore, we believe that even if the medical community generally accepts our implants and technologies, acceptance and recommendations by influential surgeons will be important to the broad commercial success of our implants and technologies. If our implants and technologies are not broadly accepted in the marketplace, we may not remain competitive in the market.

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Rapid technological changes could result in reduced demand for our implants and products.

Technologies change rapidly in the industry in which we operate. For example, steady improvements have been made in synthetic human tissue substitutes which compete with our tissue implants. Unlike allografts, synthetic tissue technologies are not dependent on the availability of tissue. If one of our competitors successfully introduces synthetic technologies using recombinant technologies, which stimulate the growth of tissue surrounding an implant, it could result in a decline in demand for tissue implants. We may not be able to respond effectively to technological changes and emerging industry standards, or to successfully identify, develop or support new technologies or enhancements to existing implants in a timely and cost-effective manner, if at all. If we are unable to achieve the improvements in our implants necessary for their successful commercialization, the demand for our implants will suffer.

We face intense competition, which could result in reduced acceptance and demand for our implants and technologies.

The medical technology/biotechnology industry is intensely competitive. We compete with companies in the United States and internationally that engage in the development and production of medical technologies and processes including biotechnology, orthopedic, pharmaceutical, biomaterial and other companies; academic and scientific institutions; and public and private research organizations.

Many of our competitors have much greater financial, technical, research, marketing, distribution, service and other resources than we do. Moreover, our competitors may offer a broader array of tissue repair treatment products, medical devices, surgical instruments and technologies or may have greater name recognition in the marketplace. We compete with a number of companies with significantly greater resources and brand recognition than ours. Our competitors, including several development stage companies, may develop or market technologies that are more effective or commercially attractive than our technologies, or that may render our technologies obsolete. For example, the development of a synthetic tissue implant that permits remodeling of bones could reduce the demand for allograft and xenograft-based implants and technologies.

If we do not manage the medical release of donor tissue into processing in an effective and efficient manner, it could adversely affect profitability.

Many factors affect the level and timing of donor medical releases, including the effectiveness of donor screening performed by donor recovery groups, the timely receipt, recording and review of required medical documentation, and employee loss and turnover in our medical records department. We can provide no assurance that releases will occur at levels which maximize our processing efficiency and minimize our cost per allograft processed.

Negative publicity concerning methods of human tissue recovery and screening of donor tissue in the industry in which we operate may reduce demand for our allografts and impact the supply of available donor tissue.

Media reports or other negative publicity concerning both methods of tissue recovery from donors and actual or potential disease transmission from donated tissue may limit widespread acceptance of our allografts, whether directed to allografts generally or our allografts specifically. Unfavorable reports of improper or illegal tissue recovery practices by any participant in the industry, both in the United States and internationally, as well as incidents of improperly processed tissue leading to transmission of disease, may broadly affect the rate of future tissue donation and market acceptance of allograft technologies.

Potential patients may not be able to distinguish our allografts, technologies and the tissue recovery and the processing procedures from those of our competitors or others engaged in tissue recovery. In addition, families of potential donors may become reluctant to agree to donate tissue tofor-profit tissue processors.

If our patents and the other means we use to protect our intellectual property prove to be inadequate, our competitors could exploit our intellectual property to compete more effectively against us.

The law of patents and trade secrets is constantly evolving and often involves complex legal and factual questions. The U.S. government may deny or significantly reduce the coverage we seek for our patent applications before or after a patent is issued. We cannot be sure that any particular patent for which we apply will be issued, that the scope of the patent protection will be comprehensive enough to provide adequate protection from competing technologies, that interference, derivation, reexamination, post-grant review or inter parties review proceedings regarding any of our patent applications

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will not be filed, or that we will achieve any other competitive advantage from a patent. In addition, it is possible that one or more of our patents will be held invalid or reduced in scope of claims if challenged or that others will claim rights in or ownership of our patents and other proprietary rights. If any of these events occur, our competitors may be able to use our intellectual property to compete more effectively against us.

Because patent applications remain secret until published (typically 18 months after first filing) and the publication of discoveries in the scientific or patent literature often lag behind actual discoveries, we cannot be certain that our patent application was the first application filed disclosing or potentially covering a particular invention. If another party’s rights to an invention are superior to ours, we may not be able to obtain a license to use that party’s invention on commercially reasonable terms, if at all. In addition, our competitors, many of which have greater resources than ours, could obtain patents that will prevent, limit or interfere with our ability to make use of our inventions either in the United States or in international markets. Further, the laws of some foreign countries do not always protect our intellectual property rights to the same extent as the laws of the United States. Litigation or regulatory proceedings in the United States or foreign countries also may be necessary to enforce our patent or other intellectual property rights or to determine the scope and validity of the proprietary rights of our competitors. These proceedings may prove unsuccessful and may also be costly, result in development delays, and divert the attention of our management.

We rely upon unpatented proprietary techniques and processes in tissue recovery, research and development, tissue processing, manufacturing and quality assurance. It is possible that others will independently develop technology similar to our technology or otherwise gain access to or disclose our proprietary technologies. We may not be able to meaningfully protect our rights in these proprietary technologies, which would reduce our ability to compete.

Our success depends in part on our ability to operate without infringing on or misappropriating the proprietary rights of others, and if we are unable to do so we may be liable for damages.

We cannot be certain that U.S. or foreign patents or patent applications of other companies do not exist or will not be issued that would prevent us from commercializing our allografts, xenografts, medical devices, surgical instruments and other technologies. Third parties may sue us for infringing or misappropriating their patent or other intellectual property rights. Intellectual property litigation is costly. If we do not prevail in litigation, in addition to any damages we might have to pay, we could be required to cease the infringing activity or obtain a license requiring us to make royalty payments. It is possible that a required license may not be available to us on commercially acceptable terms, if at all. In addition, a required license may benon-exclusive, and therefore our competitors may have access to the same technology licensed to us. If we fail to obtain a required license or are unable to design around another company’s patent, we may be unable to make use of some of the affected technologies or distribute the affected allografts, xenografts or surgical implants, which would reduce our revenues.

The defense costs and settlements for patent infringement lawsuits are not covered by insurance. Patent infringement lawsuits can take years to settle. If we are not successful in our defenses or are not successful in obtaining dismissals of any such lawsuit, legal fees or settlement costs could have a material adverse effect on our results of operations and financial position.

We or our competitors may be exposed to product or professional liability claims which could cause us to be liable for damages or cause investors to think we will be liable for similar claims in the future.

The development, manufacture, and distribution of implants, medical devices, surgical instruments, and other technologies for surgical and medical treatment entails an inherent risk of product or professional liability claims, and substantial product or professional liability claims may be asserted against us. We are party to a number of legal proceedings relating to professional liability. The prevailing view among the states throughout the United States is that providing allografts is a service and not the sale of a product. As such, allografts are not typically subject to product liability causes of action. However, the law of a particular state could change in response to legislative changes or by judicial interpretation in a state where such issue has either not been previously addressed or prior precedent is overturned or subject to different interpretations by a court of higher precedential authority. In addition, due to the international scope of our activities we are subject to the laws of foreign jurisdictions which may treat allografts as products in those jurisdictions.

The implantation of donated human tissue implants creates the potential for transmission of communicable diseases. Although we comply with federal, state and foreign regulations and guidelines intended to prevent communicable disease transmission, and our tissue suppliers are also required to comply with such regulations, there can be no assurances that: (i) our tissue suppliers will comply with such regulations intended to prevent communicable disease transmissions; (ii) even if such compliance is achieved, that our implants have not been or will not be associated with transmission of disease; or (iii) a patient otherwise infected with disease would not erroneously assert a claim that the use of our implants resulted in disease transmission.

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Our business of designing, manufacturing and marketing metal, synthetic, and xenograft medical devices and surgical instruments exposes us to potential product liability risks that are inherent in such activities. In the ordinary course of business, we are the subject of product liability lawsuits alleging that component failures, manufacturing flaws, design defects or inadequate disclosure of product-related risks or product-related information resulted in an unsafe condition or injury to patients.

We currently have $30 million of product and professional liability insurance to cover claims. This amount of insurance may not be adequate for potential claims if we are not successful in our defenses. Moreover, insurance covering our business may not always be available in the future on commercially reasonable terms, if at all. If our insurance proves to be inadequate to pay a damage award, we may not have sufficient funds to do so, which would harm our financial condition and liquidity. In addition, successful product liability claims made against one of our competitors could cause claims to be made against us or expose us to a perception that we are vulnerable to similar claims. Claims against us, regardless of their merit or potential outcome, may also hurt our ability to obtain surgeon acceptance of our implants or to expand our business.

We are subject to federal, state and foreign laws and regulations, including fraud and abuse laws, as well as anti-bribery laws, and could face substantial penalties if we fail to fully comply with such regulations and laws.

Our relationship with foreign and domestic government entities and healthcare professionals, such as physicians, hospitals and those to whom and through whom we may market our implants and technologies, are subject to scrutiny under various federal, state and territorial laws in the United States and other jurisdictions in which we conduct business. These include, for example, anti-kickback laws, physician self-referral laws, false claims laws, criminal health care fraud laws, and anti-bribery laws (e.g., the United States Foreign Corrupt Practices Act). Violations of these laws are punishable by criminal and/or civil sanctions, including, in some instances, fines, imprisonment and, within the United States, exclusion from participation in government healthcare programs, including Medicare, Medicaid and Veterans Administration health programs. These laws are administered by, among others, the U.S. Department of Justice, the Office of Inspector General of the Department of Health and Human Services, state attorneys general, and their respective counterparts in the applicable foreign jurisdictions in which we conduct business. Many of these agencies have increased their enforcement activities with respect to medical device manufacturers in recent years.

If we are not successful in expanding our distribution activities into international markets, we will not be able to pursue one of our strategies for increasing revenues.

Our international distribution strategies vary by market, as well as within each country in which we operate. For example, we distribute only a portion of our line of allograft and xenograft implants within each foreign country where we operate. Our international operations will be subject to a number of risks which may vary from the risks we face in the United States, including the need to obtain regulatory approvals in additional foreign countries before we can offer our implants and technologies for use; the potential burdens of complying with a variety of foreign laws; longerdistribution-to-collection cycles, as well as difficulty in collecting accounts receivable; dependence on local distributors; limited protection of intellectual property rights; fluctuations in the values of foreign currencies; and political and economic instability.

Security breaches, loss of data and other disruptions could compromise sensitive information related to our business, prevent us from accessing critical information or expose us to liability, which could adversely affect our business and our reputation.

In the ordinary course of our business, we collect and store sensitive data, including patient health information, personally identifiable information about our employees, intellectual property, and proprietary business information. We manage and maintain our applications and data utilizingon-site andoff-site systems. These applications and data encompass a wide variety of business critical information including research and development information, commercial information and business and financial information.

The secure processing, storage, maintenance and transmission of this critical information is vital to our operations and business strategy, and we devote significant resources to protecting such information. Although we take measures to protect sensitive information from unauthorized access or disclosure, our information technology and infrastructure may be vulnerable to attacks by hackers, viruses, breaches or interruptions due to employee error or malfeasance, terrorist attacks,

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hurricanes, fire, flood, other natural disasters, power loss, computer systems failure, data network failure, internet failure, or lapses in compliance with privacy and security mandates. Any such virus, breach or interruption could compromise our networks and the information stored there could be accessed by unauthorized parties, publicly disclosed, lost or stolen. We have measures in place that are designed to detect and respond to such security incidents and breaches of privacy and security mandates. Any such access, disclosure or other loss of information could result in legal claims or proceedings, liability under laws that protect the privacy of personal information, government enforcement actions and regulatory penalties. Unauthorized access, loss or dissemination could also interrupt our operations, including our ability to receive and ship orders from customers, bill our customers, provide customer support services, conduct research and development activities, process and prepare company financial information, manage various general and administrative aspects of our business and damage our reputation, any of which could adversely affect our business.

The outcome of litigation or arbitration in which we are involved is unpredictable and an adverse decision in any such matter could adversely impact our business, financial condition or results of operations.

In addition to product and professional liability legal proceedings and claims, we are from time to time subject to intellectual property and various commercial legal proceedings and claims that arise in the ordinary course of business.

Given the uncertain nature of legal proceedings generally, we are not able in all cases to estimate the amount or range of loss that could result from an unfavorable outcome. We could in the future incur judgments or enter into settlements of claims that could adversely impact our business, financial condition or results of operations.

We may be subject to suit under a state or federal whistleblower statute.

Those who engage in business with the federal government, directly or indirectly, may be sued under a federal whistleblower statute designed to combat fraud and abuse in the healthcare industry. These lawsuits, known as qui tam suits, are authorized under certain circumstances by the False Claims Act and can involve significant monetary damages and award bounties to private plaintiffs who successfully bring these suits. If any of these lawsuits were to be brought against us, such suits combined with increased operating costs and substantial uninsured liabilities could have a material adverse effect on our financial condition and operations.

The Affordable Care Act has sought to link the violations of the Anti-Kickback Statute with violations of the False Claims Act, making it arguably easier for the government or for whistleblowers, acting in the name of the government, to sue medical manufactures under the False Claims Act.

In addition to federal whistleblower laws, various states in which we operate also have separate whistleblower laws to which we may be subject.

Our business could be negatively affected as a result of actions of activist stockholders, and such activism could impact the trading value of our securities.

Responding to actions by activist stockholders can be costly and time-consuming, disrupting our operations and diverting the attention of management and our employees. Such activities could interfere with our ability to execute our strategic plan. In addition, a proxy contest for the election of directors at our annual meeting would likely require us to incur significant legal fees and proxy solicitation expenses and require significant time and attention by management and our board of directors. The perceived uncertainties as to our future direction also could affect the market price and volatility of our securities.

The tax treatment of corporations could be subject to potential legislative, administrative or judicial changes or interpretations.

The present federal income tax treatment of corporations may be modified by legislative, administrative or judicial changes or interpretations at any time. For example, on December 22, 2017, the Tax Cuts and Jobs Act (the “Tax Legislation”) was enacted. The Tax Legislation significantly revises the U.S. corporate income tax code.

We are unable to predict whether future modifications will be made to the U.S. corporate income tax code. Any such future changes could materially adversely affect us.

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We are dependent on our key management and technical personnel for continued success.

Our senior management team is concentrated in a small number of key members, and our future success depends to a meaningful extent on the services of our executive officers and other key team members, including members of our scientific staff. Generally, our executive officers and employees can terminate their employment relationship at any time. The loss of any key employees or our inability to attract or retain other qualified personnel could materially harm our business and prospects.

Effective succession planning is important to our long-term success. We are in the process of reorganizing our business, as part of our ongoing business transformation, which has resulted in a number of leadership changes. Disruptions in the transition or reorganization could have a material adverse effect on our business, results of operations, and financial condition and could adversely affect our ability to attract and retain other key executives.

Competition for qualified leadership and scientific personnel in our industry is intense, and we compete for leadership and scientific personnel with other companies that have greater financial and other resources than we do. Our future success will depend in large part on our ability to attract, retain, and motivate highly qualified leadership and scientific personnel, and there can be no assurance that we are able to do so. Any difficulty in hiring or retaining needed personnel, or increased costs related thereto, could have a material adverse effect on our business, results of operations, and financial condition.

Water Street may exercise significant influence over us, including through its ability to elect up to two members of our Board of Directors.

We issued 50,000 shares of Series A convertible preferred stock (“Preferred Stock”) to WSHP Biologics Holdings, LLC, an affiliate of Water Street Healthcare Partners, a leading healthcare-focused private equity firm (“Water Street”), in connection with the closing of the Pioneer acquisition. As holders of this Preferred Stock, Water Street is entitled to vote on anas-converted basis, up to a maximum number ofas-converted shares, upon all matters upon which holders of our common stock have the right to vote. The shares of Preferred Stock owned by Water Street currently represent approximately 16% of the voting rights in respect of our share capital on anas-converted basis; accordingly, Water Street has the ability to significantly influence the outcome of any matter submitted for the vote of our stockholders (also, Water Street is not prohibited from buying shares of our common stock). In addition, the dividends which have accrued on each outstanding share of Preferred Stock are added to the liquidation value with respect to such share of Preferred Stock. On August 1, 2018, we amended and restated the Certificate of Designation of Series A Convertible Preferred Stock. Pursuant to the Amended and Restated Certificate of Designation of Series A Convertible Preferred Stock, dividends on our Series A Preferred Stock ceased accruing as of July 16, 2018. We did not pay dividends on the Preferred Stock from the fourth quarter of 2013 through June 16, 2018. Consequently, we have accrued $16.5 million in preferred dividends payable as of December 31, 2018.

Water Street may have interests that diverge from, or even conflict with, those of our other stockholders. In addition, our Amended and Restated Certificate of Incorporation and Investor Rights Agreement with Water Street provide that Water Street’s consent is required before we may take certain actions for so long as Water Street and its permitted transferees beneficially own in the aggregate at least 10% of our issued share capital.

In addition, our Amended and Restated Certificate of Incorporation and our Investor Rights Agreement with Water Street provide that Water Street has the right to designate and nominate, respectively, directors to our Board of Directors such that the percentage of our board members so designated or nominated is approximately equal to Water Street’s percentage equity ownership interest in the company. The maximum number of directors that Water Street is able to designate or nominate is two, with at least one of such directors to serve on each of our Board committees. If Water Street’s ownership of our share capital on anas-converted basis falls below 5% (calculated on a fully diluted basis, assuming conversion of the Preferred Stock at the then-existing conversion price), Water Street would have no further director designation or nomination rights under our Amended and Restated Certificate of Incorporation or the investor rights agreement.

In addition, the ownership position and the governance rights of Water Street could discourage a third party from proposing a change of control or other strategic transaction with us.

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Our ability to pay dividends and to make distributions may be limited or prohibited by the terms of our indebtedness or Preferred Stock.

We are, and may in the future become, party to agreements and instruments that restrict or prevent the payment of dividends on our capital stock. In June 2018, we entered into a Credit Agreement dated as of June 5, 2018 (the “2018 Credit Agreement”), among us, as a borrower, Pioneer, our wholly-owned subsidiary, as a borrower, the other loan parties thereto as guarantors, JPMorgan Chase Bank, N.A. (“JPM”), as lender (together with the various financial institutions as in the future may become parties thereto, the “2018 Lenders”) and as administrative agent for the 2018 Lenders. Under the terms of the 2018 Credit Agreement, we are restricted from paying dividends on our common stock without the prior written consent of the administrative agent. We are also restricted from paying dividends or making distributions on our common stock without the prior written consent of the holders of a majority of the Preferred Stock pursuant to the terms of the Amended and Restated Certificate of Designation of Series A Convertible Preferred Stock, so long as any shares of the Preferred Stock remain outstanding. In addition, under the terms of the 2018 Credit Agreement, distributions to holders of our Preferred Stock are permitted only to the extent that we can satisfy certain financial covenant tests (based on the ratio of our total indebtedness to consolidated EBITDA) and meet other requirements.

The 2018 Credit Agreement contains financial and operating restrictions that may limit our access to credit. If we fail to comply with financial or other covenants in the 2018 Credit Agreement, we may be required to repay indebtedness to our existing lenders, which may harm our liquidity.

Provisions in the 2018 Credit Agreement impose restrictions on our ability to, among other things:

• merge or consolidate;

• make strategic acquisitions;

• make dispositions of property;

• create liens;

• enter into transactions with affiliates;

• become a guarantor;

• pay dividends and make distributions;

• incur more debt; and

• make investments.

The 2018 Credit Agreement also contains financial covenants that require us to maintain compliance with specified financial ratios and maintain a specified amount of cash on hand.

We may not be able to comply with the financial covenants in the future. In the absence of a waiver from our lenders, any failure by us to comply with these covenants in the future may result in the declaration of an event of default, which could prevent us from borrowing under the 2018 Credit Agreement. In addition to preventing additional borrowings under the 2018 Credit Agreement, an event of default, if not cured or waived, may result in the acceleration of the maturity of indebtedness outstanding, if any, under the agreement, which would require us to pay all amounts outstanding. If an event of default occurs, we may not be able to cure it within any applicable cure period, if at all. If the maturity of our indebtedness is accelerated, we then may not have sufficient funds available for repayment or the ability to borrow or obtain sufficient funds to replace the accelerated indebtedness on terms acceptable to us, or at all.

We have incurred a significant amount of secured debt, and expect to incur a significant amount of additional debt in the future.

The 2018 Credit Agreement provides for a revolving credit facility in the aggregate principal amount of up to $100 million (the “2018 Facility”). We and Pioneer will be able to, at our option, and subject to customary conditions and 2018 Lender approval, request an increase to the 2018 Facility by up to $50 million. A total of $50 million currently is outstanding on the 2018 Facility due to the Company’s pay off of the 2017 Loan Agreement.

The 2018 Facility is guaranteed by our domestic subsidiaries and is secured by: (i) substantially all of our assets and the assets of Pioneer; (ii) substantially all of the assets of each of our domestic subsidiaries; and (iii) 65% of the stock of our foreign subsidiaries. Borrowings made under the 2018 Credit Agreement will bear interest at a rate per annum equal to the monthly REVLIBOR30 Rate (“CBFR Loans”) plus an adjustable margin of up to 2.00% (the “CBFR Rate”). We may elect to convert the interest rate for the initial borrowings to a rate per annum equal to the adjusted LIBO Rate (“Eurodollar Loans”) plus an adjustable margin of up to 2.00% (the “Eurodollar Rate”). For all subsequent borrowings, we may elect to apply either the CBFR Rate or Eurodollar Rate. The applicable margin is subject to adjustment after the end of each fiscal quarter, based upon our average quarterly availability. The maturity date of the 2018 Facility is June 5, 2023. The Company may make optional prepayments on the 2018 Facility without penalty.

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In November 2018, in connection with our entry into the Master Transaction Agreement, we entered into: (i) a Consent Under Credit Agreement with JPM (the “First Lien Consent”) pursuant to which JPM agreed to amend the 2018 Credit Agreement to, among other things, (a) reduce the aggregate revolving credit commitments under the 2018 Credit Agreement from $100 million to $75 million (the “Amended 2018 Credit Agreement”) and (b) consent to the incurrence of the Second Lien Facility (as defined below); and (ii) a Commitment Letter (“Second Lien Commitment Letter”) with Ares Capital Corporation (“Ares”) pursuant to which Ares agreed to provide a $100 million second lien term loan (the “Second Lien Facility”) in a single draw on the closing date in connection with the Transaction.

The Amended 2018 Credit Agreement is subject to customary conditions, including, among others: (i) the accuracy of certain specified representations and warranties; (ii) the absence of certain specified events of default under the 2018 Credit Agreement; (iii) the simultaneous funding of the Second Lien Facility in an amount sufficient to pay our closing cash purchase price obligations under the Master Transaction Agreement; and (iv) the Transaction having been consummated (or substantially simultaneously with the initial borrowing under the Second Lien Facility, having been consummated) substantially in accordance with the terms of the Master Transaction Agreement.

The terms of the Amended 2018 Credit Agreement will remain substantially similar as those set forth in the 2018 Credit Agreement, with the changes outlined in the First Lien Consent to permit (i) the reduction of the aggregate revolving credit commitments under the 2018 Credit Agreement from $100 million to $75 million, (ii) the consummation of the Transaction and (iii) the incurrence of the Second Lien Facility. The First Lien Consent requires that the Transaction be consummated on or prior to March 31, 2019.

The obligations of Ares under the Second Lien Commitment Letter are subject to customary conditions, including, among others: (i) the accuracy of certain specified representations and warranties; (ii) the Transaction having been consummated (or substantially simultaneously with the initial borrowing under the Second Lien Facility, having been consummated) substantially in accordance with the terms of the Master Transaction Agreement; (iii) the absence of any PS Spine material adverse effect; and (iv) the execution and delivery of definitive loan documentation prepared in accordance with documentation principles agreed to by us and Ares.

The Second Lien Commitment Letter expires upon the earlier of: (i) 5:00 p.m. New York time on March 31, 2019; (ii) the consummation of the Transaction; and (iii) the funding of the Second Lien Facility on the closing date.

The proceeds of the Second Lien Facility may be used solely to pay the cash portion of the purchase price under the Master Transaction Agreement, and amounts borrowed under the Second Lien Facility and repaid may not bere-borrowed. The Second Lien Commitment Letter provides that the terms of the Second Lien Facility will be finalized in a credit agreement (the “Second Lien Credit Agreement”) and related documentation to be entered into prior to the closing of the Transaction.

The Second Lien Facility will mature six months after the maturity date of the Amended 2018 Credit Agreement. We will pay interest on the unpaid principal amount of the Second Lien Facility at a rate per annum, at our election, equal to either the prime rate plus an applicable margin to be set forth in the Second Lien Credit Agreement or the London Interbank Offered Rate (“LIBOR”) plus an applicable margin to be set forth in the Second Lien Credit Agreement. The principal amount of the loans outstanding under the Second Lien Facility will be subject to certain customary mandatory prepayments, including, without limitation, an excess cash flow sweep, upon the issuance of additional indebtedness and the consummation of certain asset dispositions.

Additionally, the Second Lien Credit Agreement will contain customary: (i) representations and warranties, including (but not limited to) certain corporate and organization matters; financial condition; properties; litigation; compliance with laws; certain regulatory matters; taxes; employee benefits matters; material agreements; solvency; and insurance; (ii) affirmative covenants, including (but not limited to) certain reporting and notice obligations; maintenance of corporate existence; conduct of business; compliance with laws; use of proceeds; insurance and further assurances; (iii) negative covenants, including (but not limited to) the incurrence certain additional indebtedness; creation of certain liens; sale and leaseback transactions; consolidations or mergers with, or conveyances, transfers or leases of all or substantially all of its assets to another person; investments, loans, advances, guarantees and acquisitions; payment of dividends and distributions; transactions with affiliates and amendments to material documents; and (iv) events of default, including (but not limited to) failure to make required payments; inaccuracy of representations and warranties; failure to comply with covenants; cross default to other material indebtedness; failure to stay execution of judgments; bankruptcy or insolvency; actual or asserted invalidity or impairment of the credit documentation; invalidity of subordination provisions; and a change of control, in each case substantially similar to those in the 2018 Credit Agreement, with changes as are necessary to account for the Second Lien Facility, the consummation of the Transaction, and as otherwise agreed between us and Ares. Under the Second Lien Facility, we will also be subject to a total net leverage maintenance covenant and minimum fixed charge coverage covenant to be set forth in the Second Lien Credit Agreement.

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The obligations under the Second Lien Facility will be guaranteed on a joint and several basis by each of our direct or indirect wholly owned subsidiaries, subject to customary exceptions. The obligations under the Second Lien Facility will be secured on a second-lien priority basis (behind the Amended 2018 Credit Agreement) by substantially all of our assets and each guarantor party thereto, subject to customary exceptions.

Our level of indebtedness could adversely affect our ability to raise additional capital to fund our operations.

Our level of indebtedness may limit our ability to react to changes in the economy or our industry and prevent us from meeting our obligations under the agreements relating to our indebtedness.

Any acquisitions, strategic investments, divestures, mergers or joint ventures we make may require the issuance of a significant amount of equity or debt securities and may not be scientifically or commercially successful.

As part of our business strategy, we intend to make certain acquisitions to obtain additional businesses, product and/or process technologies, capabilities and personnel. If we make one or more significant acquisitions in which the consideration includes securities, we may be required to issue a substantial amount of equity, debt, warrants, convertible instruments or other similar securities. Such an issuance could dilute your investment in our common stock or increase our interest expense and other expenses.

Our long-term strategy may include identifying and acquiring, investing in or merging with suitable candidates on acceptable terms, divesting of certain business lines or activities or entering into joint ventures. In particular, over time, we may acquire, make investments in, or merge with providers of product offerings that complement our business or may terminate such activities. Mergers, acquisitions and divestitures include a number of risks and present financial, managerial and operational challenges, including but not limited to:

Further, acquisitions involve a number of operational risks, such as:

• difficulty and expense of assimilating the operations, technology and personnel of the acquired business;

• our inability to retain the management, key personnel and other employees of the acquired business;

• our inability to maintain the acquired company’s relationship with customers and key third parties, such as alliance partners;

• exposure to legal claims for activities of the acquired business prior to the acquisition;

• the potential need to implement financial and other systems and add management resources;

• the potential for internal control deficiencies in the internal controls of the acquired operations;

• potential inexperience in a business area that is either new to us or more significant to us than prior to the acquisition;

• the diversion of our management’s attention from our core business;

• the potential impairment of goodwill andwrite-off ofin-process research and development costs, adversely affecting our reported results of operations; and

• increased costs to integrate or, in the case of a divestiture or joint venture, separate the technology, personnel, customer base and business practices of the acquired or divested business or assets.

Any one of these risks could prevent an acquisition, strategic investment, divesture, merger or joint venture from being scientifically or commercially successful, which could have a material impact on our results of operations, and financial condition.

The announcement and pendency of the acquisition of Paradigm Spine, LLC may adversely affect our business, financial condition and results of operations, the business, financial condition and results of operations of Paradigm Spine, LLC and, consequently, if the Transaction is consummated, the combined company.

Subject to the terms and conditions of the Master Transaction Agreement, dated November 1, 2018, by and among the Company, PS Spine Holdco, LLC (“PS Spine”), Bears Holding Sub, Inc. (“Holdco”) and Bears Merger Sub, Inc. (“Merger Sub”) (the “Master Transaction Agreement”), (i) PS Spine shall contribute all of the issued and outstanding membership interests of Paradigm Spine, LLC (“Paradigm”) to Holdco (the “Contribution”), (ii) Merger Sub shall be merged with and into the Company, with the Company surviving as a wholly-owned subsidiary of Holdco (the “Merger”) and (iii) Holdco shall be renamed “RTI Surgical Holdings, Inc.” (the “Transaction”). Uncertainty about the effect of the Transaction on

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employees, customers, suppliers, third-party distributors and other parties may have an adverse effect on our businesses, financial conditions and results of operations and Paradigm’s businesses, financial conditions and results of operations, regardless of whether the Transaction is completed, and may have an adverse effect on the business, financial condition and results of operations of the combined company if the Transaction is completed. These risks include the following, all of which could be exacerbated by a delay in the completion of the Transaction:

• the impairment of our ability to attract, retain and motivate current and prospective employees, including key personnel;

• the impairment of Paradigm’s ability to attract, retain and motivate current and prospective employees, including key personnel

• the diversion of significant time and resources of our management and Paradigm’s management;

• difficulties maintaining relationships with our customers, suppliers, third-party distributors and other business partners;

• difficulties maintaining relationships with Paradigm’s customers, suppliers, third-party distributors and other business partners;

• delays or deferments of certain business decisions by our customers, suppliers, third-party distributors and other business partners and Paradigm’s customers, suppliers, third-party distributors and other business partners;

• our inability to pursue alternative business opportunities or make appropriate changes to our businesses because of requirements in the Master Transaction Agreement that we conduct our businesses in all material respects in the ordinary course of business consistent with past practice and not engage in certain activities prior to the completion of the Transaction;

• Paradigm’s inability to pursue alternative business opportunities or make appropriate changes to its businesses because of requirements in the Master Transaction Agreement that it conduct its businesses in all material respects in the ordinary course of business consistent with past practice and not engage in certain activities prior to the completion of the Transaction;

• any litigation relating to the Transaction and the costs related thereto; and

• the incurrence of significant costs, expenses and fees for professional services and other transaction costs in connection with the Transaction.

Failure to consummate the Transaction within the expected timeframe or at all could have a material adverse impact on our business, financial condition and results of operations, and consequently, if the Transaction is consummated, the combined company.

There can be no assurance that the Transaction will occur within the expected timeframe or at all. Consummation of the Transaction is subject to specified conditions, including:

• the accuracy of the representations and warranties of the parties and compliance by the parties with their respective obligations under the Master Transaction Agreement, in each case subject to certain materiality qualifiers;

• the written consent of PS Spine’s unitholders approving the Master Transaction Agreement and the transactions contemplated thereby, including the Contribution;

• the receipt of approval of our stockholders;

• the absence of any law or order in effect that prevents, makes unlawful or prohibits the consummation of the Transaction;

• the absence of any material adverse effect on our business, condition (financial or otherwise) or results of operations, subject to certain exceptions, since November 1, 2018, the date of the Master Transaction Agreement;

• the absence of any material adverse effect on the business, condition (financial or otherwise) or results of operations, subject to certain exceptions, of Paradigm and its subsidiaries, taken as a whole, since November 1, 2018, the date of the Master Transaction Agreement;

• the amount of cash consideration paid in connection with the Transaction being equal to or greater than $0;

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• the shares of Holdco common stock issuable pursuant to the Merger and shares of Holdco common stock representing the amount of stock to be issued to in connection with the Transaction at its closing (the “Stock Consideration Amount”) being approved for listing on the Nasdaq Global Market, subject to official notice of issuance;

• the receipt of representation letters from our officers and officers of Holdco and PS Spine regarding the intended tax treatment of the Transaction (provided this condition will be deemed not to be satisfied if (i) Sidley Austin or Dorsey & Whitney, as the case may be, delivers an opinion that, as a result of a change in law occurring after November 1, 2018, it is unable to provide an opinion to the effect that the Merger and the Contribution, taken together, will qualify as a transaction described in Section 351 of the Code (and, in the case of Sidley Austin, that the Merger will not qualify as a “reorganization” within the meaning of Section 368(a) of the Code) and (ii) we or PS Spine, as the case may be, is unable to obtain such opinion from an alternative tax counsel);

• neither Marc Viscogliosi nor Francis Magee rescinding his obligations under his applicable consulting agreement with us, and we do not rescind our obligations under those consulting agreements;

• none of Viscogliosi Brothers, LLC, HealthCor Paradigm Blocker Company Two, Inc. and HealthCor AIV, L.P. rescinding its obligations under itsapplicable non-competition agreement with Holdco; and

• none of the parties to that certain agreement between PS Spine, Paradigm, and certain of Paradigm’s lenders (the “Settlement Agreement”) rescinding their obligations under the Settlement Agreement, the Settlement Agreement being in full force and effect and not having been amended in any manner adverse to us, Holdco or Merger Sub and the transactions contemplated by the Settlement Agreement having been performed in accordance with the terms of the Settlement Agreement.

We cannot provide any assurances that these conditions will be satisfied in a timely manner or at all or that the Transaction will occur.

In addition, the Master Transaction Agreement contains certain termination rights, including: (i) for us and PS Spine if the Transaction is not consummated on or prior to January 31, 2019 (if the Transaction has not been consummated on or prior to January 31, 2019 (as it may be extended, the “outside date”), the outside date may be extended by us to February 28, 2019 and if the closing has not occurred by February 28, 2019, the outside date may be extended by us to March 31, 2019 (which extensions we intend to exercise, as necessary)); (ii) for us and PS Spine if the approval of the holders of a majority of the outstanding shares of RTI common stock and preferred stock (on a fully converted basis) entitled to vote thereon and the written consent of a majority of the outstanding shares of RTI preferred stock, voting separately as a class (collectively, the “Required Merger Proposal Vote”) is not obtained at our special meeting, or any adjournment or postponement thereof; (iii) for us if the PS Spine written consent is not provided to us within five business days following the effectiveness of the registration statement onForm S-4; and (iv) for us if our board changes its recommendation that our stockholders vote to approve the proposals contained in the definitive proxy statement filed on Schedule 14A with SEC on February 7, 2019, provided that PS Spine may not terminate pursuant to this clause if the Required Merger Proposal Vote has been obtained.

In addition, satisfying the conditions to the Transaction may take longer, and could cost more, than we and Paradigm expect. The occurrence of any of these events individually or in combination may adversely affect the benefits we and Paradigm expect to achieve from the Transaction and the trading prices of, prior to the consummation of the Transaction, our shares and, following the consummation of the Transaction, Holdco shares. In addition, if the Transaction does not close, the attention of our management and Paradigm’s management will have been diverted to the consummation of the Transaction, rather than their respective operations and pursuit of other opportunities, in certain circumstances we would be required to pay a reverse termination fee equal to $4.5 million or $9.0 million to PS Spine and we and Paradigm may suffer reputational or other harm due to the adverse perception of any failure to successfully complete the Transaction.

Competition authorities may take certain actions in connection with the Transaction under applicable antitrust laws, including enjoining consummation of the Transaction.

Under the Hart-Scott-Rodino Antitrust Improvements Act of 1976 (the “HSR Act”) and the rules that have been promulgated thereunder by the U.S. Federal Trade Commission (the “FTC”), certain transactions may not be consummated unless information has been furnished to the Antitrust Division of the Department of Justice (the “Antitrust Division”) and the FTC and certain waiting period requirements have been satisfied. The Transaction is subject to these requirements and may not be completed until the expiration ofa 30-day waiting period following the filing of the required notification and report forms with the Antitrust Division and the FTC or until early termination is granted. On November 13, 2018, Holdco

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and PS Spine filed the required forms under the HSR Act with the Antitrust Division and the FTC and requested early termination, which was granted on November 26, 2018. Even though early termination has been granted under the HSR Act, at any time before or after consummation of the Transaction, notwithstanding such termination, the applicable competition authorities could take such action under applicable antitrust laws as each deems necessary or desirable in the public interest, including seeking to enjoin the consummation of the Transaction.

We may be the target of securities class action and derivative lawsuits which could result in substantial costs and may delay or prevent the Transaction from being completed.

Securities class action lawsuits and derivative lawsuits are often brought against companies that have entered into merger agreements or other business combinations. Even if the lawsuits are without merit, defending against these claims can result in substantial costs and divert management time and resources. An adverse judgment could result in monetary damages, which could have a negative impact on our liquidity and financial condition. Additionally, if a plaintiff is successful in obtaining an injunction prohibiting the closing of the Transaction, then that injunction may delay or prevent the Transaction from being consummated, which may adversely affect our business, financial position and results of operation.

Our stockholders will have a reduced ownership and voting interest after the Transaction and will exercise less influence over management.

The Holdco shares that our stockholders receive in the Transaction in exchange for our shares will represent a percentage ownership of Holdco that is smaller than such stockholder’s percentage ownership of us. If the Transaction occurs, 10,729,614 shares of common stock of Holdco will be issued at closing as partial consideration for the Contribution. A significant portion of these shares will be used, along with cash that would otherwise be paid at closing, to pay the amounts outstanding under Paradigm’s existing senior secured credit agreement. Assuming: (i) the closing occurs on March 15, 2019; (ii) 62,245,112 shares of our common stock (based on the number of shares outstanding as of January 15, 2019) and 50,000 shares of our preferred stock are issued and outstanding immediately prior to the effective time; and (iii) the amount of cash paid to the lenders under Paradigm’s existing senior secured credit agreement at closing does not exceed $95.0 million, and taking into account the $3.0 million Paradigm borrowed from the lenders under its existing senior secured credit agreement on December 6, 2018, approximately 85.30% of the issued and outstanding Holdco common stock and 100% of the issued and outstanding Holdco preferred stock immediately following the closing will be held by our former stockholders, approximately 6.42% of the issued and outstanding Holdco common stock immediately following the closing will be held by PS Spine and approximately 8.28% of the issued and outstanding Holdco common stock immediately following the closing will be held by the lenders under Paradigm’s existing senior secured credit agreement and their affiliates. Using the same assumptions set forth above and assuming the conversion of our preferred stock, immediately following the closing, former holders of our common stock and our preferred stock will collectively hold 87.37% of the voting power of Holdco, PS Spine will hold 5.51% of the voting power of Holdco and the lenders under Paradigm’s existing senior secured credit agreement and their affiliates will hold 7.12% of the voting power of Holdco. As a result of this reduced ownership percentage, our former stockholders will have less influence on the management and policies of Holdco than they now have with respect to us. The lenders under Paradigm’s existing senior secured credit agreement and their affiliates may receive a smaller or larger portion of the Stock Consideration Amount than as assumed for purposes of this example. If the lenders under Paradigm’s existing senior secured credit agreement and their affiliates receive a larger portion of the Stock Consideration Amount than as assumed for purposes of this example, the percentage of the issued and outstanding Holdco common stock immediately following the closing that will be held by the lenders under Paradigm’s existing senior secured credit agreement and their affiliates will be greater than set forth in this example and the percentage that will be held by PS Spine will be less than set forth in this example. If the lenders under Paradigm’s existing senior secured credit agreement and their affiliates receive a smaller portion of the Stock Consideration Amount than as assumed for purposes of this example, the percentage of the issued and outstanding Holdco common stock immediately following the closing that will be held by the lenders under Paradigm’s existing senior secured credit agreement and their affiliates will be less than set forth in this example and the percentage that will be held by PS Spine will be greater than set forth in this example. In addition, the earnout provisions of the Master Transaction Agreement provide for the possibility that PS Spine may receive additional shares of Holdco common stock, which would cause our former stockholders’ ownership of Holdco to be further diluted.

The combined company may fail to realize the anticipated benefits of the Transaction.

The success of the Transaction will depend on, among other things, the combined company’s ability to combine our business with Paradigm’s business in a manner that facilitates growth opportunities, including with respect to the acceleration of reimbursement of coflex^®, and realizing anticipated cost synergies and performance improvements.

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However, the combined company must successfully combine our business with Paradigm’s business in a manner that permits these anticipated cost synergies and performance improvements to be realized. In addition, the combined company must achieve the anticipated synergies and improvements without adversely affecting current revenues and investments in future growth. If the combined company is not able to successfully achieve these objectives, the anticipated benefits of the Transaction may not be realized fully or at all or may take longer to realize than expected.

The failure to integrate successfully certain of our businesses and operations with Paradigm in the expected time frame may adversely affect the combined company’s future results.

Historically, we have operated as an independent company from Paradigm, and we will continue to do so until the completion of the Transaction. The management of the combined company may face significant challenges in integrating and consolidating certain of our businesses and the functions with Paradigm, integrating our technologies, organizations, procedures, policies and operations, addressing differences in the business cultures of the two companies and retaining key personnel. The integration may also be complex and time consuming, and require substantial resources and effort. The integration process and other disruptions resulting from the Transaction may also disrupt our ongoing business or cause inconsistencies in our standards, controls, procedures and policies, as well as Paradigm’s, that adversely affect the combined company’s relationships with employees, suppliers, customers and others with whom we and Paradigm have business or other dealings or limit the combined company’s ability to achieve the anticipated benefits of the Transaction. In addition, difficulties in integrating our business or regulatory functions with those of Paradigm could harm the reputation of the combined company.

Item 1B. UNRESOLVED STAFF COMMENTS.

None.

Item 2. PROPERTIES.

UNITED STATES

Our headquarters and U.S natural tissue processing facilities are located in Alachua, Florida, near metropolitan Gainesville, including four buildings on approximately 21 acres of property that we own.

Processing, Manufacturing and Laboratory Facilities

In Alachua, Florida, we own a 65,500 square foot processing facility and lease an 8,000 square foot facility for the processing of natural tissues utilizing our BioCleanse^® and TUTOPLAST^® and CANCELLE^® SP sterilization processes. In addition, we also own a 42,000 square foot logistics and technology center.

In Marquette, Michigan, we own a 106,000 square foot facility for manufacturing metal and synthetic implants and instruments that also houses laboratory facilities.

In Greenville, North Carolina, we lease a 15,500 square foot facility for manufacturing synthetic implants.

Our processing and manufacturing facilities meet the FDA’s Current Good Manufacturing Practices requirements and allows us to meet the requirements of an FDA approved medical device manufacturer.

Administrative and Distribution and Marketing Offices

In Alachua, Florida, we own two buildings totaling 71,000 square feet which house our corporate headquarters as well as administrative and distribution and marketing functions.

In Deerfield, Illinois, we lease 6,020 square feet for general and administrative functions.

In Austin, Texas, we lease 10,600 square feet for marketing and research and development functions.

In Minnetonka, Minnesota, we lease 11,419 square feet for general and administrative functions.

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GERMANY

In Neunkirchen, Germany we own six buildings totaling approximately 60,000 square feet on approximately two acres of land, including 11,000 square feet of area for processing natural tissues utilizing the TUTOPLAST sterilization process.

THE NETHERLANDS

Our facility in Houten consists of approximately 10,000 square feet of a sales and distribution office.

SINGAPORE

On March 15, 2018, the Company exited the lease of the administrative and sales office in Singapore.

BEIJING

Our facility in Beijing consists of a small leased administrative and sales office.

We believe that we have sufficient space and facilities to meet our current and foreseeable future needs.

Item 3. LEGAL PROCEEDINGS.

The Company is, from time to time, involved in litigation relating to claims arising out of its operations in the ordinary course of business. The Company believes that none of these claims that were outstanding as of December 31, 2018 will have a material adverse impact on its financial position or results of operations. Please see Note 23, Legal and Regulatory Actions, to the consolidated financial statements contained in Part II, Item 8 of this report for additional information.

Item 4. MINE SAFETY DISCLOSURES.

Not applicable.

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PART II

Item 5. MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES

Market Information and Holders

Our common stock is quoted on the Nasdaq Stock Market under the symbol “RTIX.” The following table sets forth the range of high and low sales prices for our common stock for each quarterly period in the last two fiscal years.

2017	High		Low
First Quarter	$	4.10	$	3.01
Second Quarter	$	5.95	$	3.80
Third Quarter	$	6.00	$	4.25
Fourth Quarter	$	5.08	$	3.85
2018	High		Low
First Quarter	$	5.10	$	4.05
Second Quarter	$	4.95	$	4.20
Third Quarter	$	4.95	$	4.25
Fourth Quarter	$	4.89	$	3.53

As of February 25, 2019, we had 289 stockholders of record of our common stock. We believe that the number of beneficial owners is substantially greater than the number of record holders because a large portion of our common stock is held of record through brokerage firms in “street name.” The closing sale price of our common stock on February 25, 2019 was $4.80 per share.

The following table presents information with respect to our repurchases of our common stock during the year ended December 31, 2018.

Period	Total Number of Shares Purchased (1)		Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs		Approximate Dollar Value of Shares that May Yet Be Purchased Under the Plans or Programs
January 1, 2018 to January 31, 2018		81,830	$	4.44		—		—
February 1, 2018 to February 28, 2018		—		—		—		—
March 1, 2018 to March 31, 2018		—		—		—		—
April 1, 2018 to April 30, 2018		12,453	$	4.47		—		—
May 1, 2018 to May 31, 2018		4,655	$	4.25		—		—
June 1, 2018 to June 30, 2018		—		—		—		—
July 1, 2018 to July 31, 2018		339	$	4.25		—		—
August 1, 2018 to August 31, 2018		7,832	$	4.90		—		—
September 1, 2018 to September 30, 2018		—		—		—		—
October 1, 2018 to October 31, 2018		—		—		—		—
November 1, 2018 to November 30, 2018		—		—		—		—
December 1, 2018 to December 31, 2018		—		—		—		—
Total		107,109	$	4.47		—		—

(1) The purchases reflectamounts that are attributable to shares surrendered to us by employees to satisfy, in connection with the vesting of restricted stock awards, their tax withholdings obligations.

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Stock Performance Graph

The SEC requires us to present a chart comparing the cumulative total stockholder return on our common stock with the cumulative total stockholder return of: (1) a broad equity market index and (2) a published industry orline-of-business index. We selected the Standard & Poor’s 500 Health Care Equipment Index based on our good faith determination that this index fairly represents the companies which compete in the same industry orline-of-business as we do. The chart below compares our common stock with the Nasdaq Composite Index and the Standard & Poor’s 500 Health Care Equipment Index and assumes an investment of $100.00 on December 31, 2013 in each of the common stock, the stocks comprising the Nasdaq Composite Index and the stocks comprising the Standard & Poor’s 500 Health Care Equipment Index.

Total Return Analysis	2013		2014		2015		2016		2017		2018
RTI Surgical, Inc.	$	100.00	$	146.89	$	112.15	$	91.81	$	115.82	$	104.52
NASDAQ Composite		100.00		114.75		122.74		133.62		173.22		168.30
S&P 500 Health Care Equipment Index		100.00		126.28		133.82		142.50		186.53		216.82

Dividend Policy

We have never paid cash dividends to holders of our common stock. We do not expect to declare or pay any dividends on our common stock in the foreseeable future. Other than the possibility that we may pay dividends on our Preferred Stock, we intend to retain all earnings, if any, to invest in our operations. The payment of future dividends, if any, will depend upon our future earnings, if any, our capital requirements, financial condition, debt covenant terms, our ability to do so under applicable laws, and other relevant factors. Under our current credit agreement with JPM, we are restricted from paying dividends on our common stock without the prior written consent of the administrative agent. In addition, pursuant to the terms of the Amended and Restated Certificate of Designation of Series A Convertible Preferred Stock, so long as any shares of the Preferred Stock remain outstanding, we may not pay any dividend or make any distribution upon any junior securities (including the common stock) without the prior written consent of the holders of a majority of the Preferred Stock.

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Item 6. SELECTED FINANCIAL DATA.

As discussed further in Note 27 of the “Notes to the Consolidated Financial Statements” contained in Item 8 of this Form10-K/A, we have restated our consolidated financial statements to correct certain errors in our previously issued financial statements. The following table presents selected consolidated financial and other data as of and for the periods indicated. You should read the following information together with the more detailed information contained in “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and our consolidated financial statements and the accompanying notes.

The statement of operations data set forth below for the years ended December 31, 2018, 2017 and 2016, and selected balance sheet data as of December 31, 2018 and 2017 have been derived from our audited consolidated financial statements and accompanying notes. The consolidated financial statements as of December 31, 2018 and 2017 and for the three years ended December 31, 2018, 2017, and 2016 are included elsewhere in this Form10-K/A. The selected consolidated financial data set forth below should be read along with “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations,” and our consolidated financial statements and accompanying notes included elsewhere in this document.

The statement of operations data set forth below for the years ended December 31, 2015 and 2014, and the balance sheet data set forth as of December 31, 2016, 2015 and 2014 have been derived from our audited consolidated financial statements and accompanying notes which are not included elsewhere in this Form10-K/A.

The selected financial data as of and for the year ended December 31, 2018 reflects our adoption of Financial Accounting Standards Board issued Accounting Standards Update (“ASU”)2014-09,Revenue from Contracts with Customers (Topic 606). We have not adjusted the selected financial data for any other period or as of any other date presented. See Note 3, Revenue from Contracts with Customers.

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	Year Ended December 31,
	2018			2017			2016			2015			2014
	(as restated)			(as restated)			(as restated)			(as restated)			(as restated)
	(In thousands, except share and per share data)
Statements of Operations Data:
Revenues	$	280,362		$	280,349		$	275,984		$	283,131		$	260,121
Costs of processing and distribution		140,719			137,277			142,657			133,460		$	127,077
Gross profit		139,643			143,072			133,327			149,671			133,044
Expenses:
Marketing, general and administrative		119,724			115,009			116,666			107,550			107,653
Research and development		14,410			13,315			16,297			15,065			15,536
Severance and restructuring costs		2,808			12,016			2,146			995			4,798
Strategic review costs		—			—			1,150			—			—
Executive transition costs		—			2,818			4,404			—			—
Contested proxy expenses		—			—			2,680			—			—
Asset impairment and abandonments		5,070			4,034			5,241			814			—
Litigation settlement and settlement charges		—			—			—			804			185
Acquisition and integration expenses		4,943			630			—			—			—
Cardiothoracic closure business divestiture contingency consideration		(3,000	)		—			—			—			—
Gain on cardiothoracic closure business divestiture		—			(34,090	)		—			—			—
Total operating expenses		143,955			113,732			148,584			125,228			128,172
Operating (loss) income		(4,312	)		29,340			(15,257	)		24,443			4,872
Other (expense) income:
Interest expense		(2,771	)		(3,180	)		(1,655	)		(1,492	)		(1,357	)
Interest income		35			8			8			3			9
Loss on extinguishment of debt		(309	)		—			—			—			—
Foreign exchange (loss) gain		(34	)		87			(129	)		78			(88	)
Total other expense—net		(3,079	)		(3,085	)		(1,776	)		(1,411	)		(1,436	)
(Loss) income before income tax (provision) benefit		(7,391	)		26,255			(17,033	)		23,032			3,436
Income tax benefit (provision)		4,268			(19,349	)		3,228			(8,499	)		(1,493	)
Net (loss) income		(3,123	)		6,906			(13,805	)		14,533			1,943
Convertible preferred dividend		(2,120	)		(3,723	)		(3,508	)		(3,305	)		(3,113	)
Net (loss) income applicable to common shares	$	(5,243)		$	3,183		$	(17,313)		$	11,228		$	(1,170)
Net (loss) income per common share—basic	$	(0.08)		$	0.05		$	(0.30)		$	0.19		$	(0.02)
Net (loss) income per common share—diluted	$	(0.08)		$	0.05		$	(0.30)		$	0.19		$	(0.02)
Weighted average shares outstanding—basic		63,521,703			59,684,289			58,236,745			57,611,231			56,735,924
Weighted average shares outstanding—diluted		63,521,703			60,599,952			58,236,745			58,590,494			56,735,924
	As of December 31,
	2018			2017			2016			2015			2014
	(as restated)			(as restated)			(as restated)			(as restated)			(as restated)
Balance Sheet Data:
Cash and cash equivalents	$	10,949		$	22,381		$	13,849		$	12,614		$	15,703
Working capital		118,121			133,072			120,615			130,353			132,445
Total assets		360,185			345,765			367,955			379,844			377,070
Long-term obligations—less current portion		49,073			42,076			77,267			73,631			69,413
Redeemable preferred stock		66,226			63,923			60,016			56,323			52,834
Total stockholders’ equity		181,531			181,517			164,060			179,908			166,770

For additional information related to the adjustments for years ended December 31, 2018, 2017, and 2016, refer to Note 27 “Restatement of Prior Period Financial Statements”. For additional information regarding adjustments for the years ended December 31, 2015 and 2014, refer to the tables below.

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Year Ended December 31, 2015	As Previously Reported			Adjustments			As Restated
Revenues	$	282,293		$	838		$	283,131
Costs of processing and distribution		132,551			909			133,460
Gross profit		149,742			(71	)		149,671
Marketing, general and administrative		107,439			111			107,550
Total operating expenses		125,117			111			125,228
Operating income		24,625			(182	)		24,443
Income before income tax (provision)		23,214			(182	)		23,032
Income tax (provision)		(8,299	)		(200	)		(8,499	)
Net income		14,915			(382	)		14,533
Net income applicable to common shares	$	11,610		$	(382	)	$	11,228
Comprehensive income	$	8,449		$	(382	)	$	8,067
Net income per common share—basic	$	0.20		$	(0.01	)	$	0.19
Net income per common share—diluted	$	0.20		$	(0.01	)	$	0.19
Balance Sheet Data:
Working capital		131,785			(1,432	)		130,353
Total assets		381,065			(1,221	)		379,844
Total stockholders’ equity		181,356			(1,448	)		179,908

Year Ended December 31, 2014	As Previously Reported			Adjustments			As Restated
Revenues	$	262,810		$	(2,689	)	$	260,121
Costs of processing and distribution		129,013			(1,936	)		127,077
Gross profit		133,797			(753	)		133,044
Operating (loss) income		5,625			(753	)		4,872
(Loss) income before income tax (provision) benefit		4,189			(753	)		3,436
Net (loss) income		2,696			(753	)		1,943
Net (loss) income applicable to common shares	$	(417	)	$	(753	)	$	(1,170	)
Comprehensive (loss) income	$	(3,486	)	$	(753	)	$	(4,239	)
Net (loss) income per common share—basic	$	(0.01	)	$	(0.01	)	$	(0.02	)
Net (loss) income per common share—diluted	$	(0.01	)	$	(0.01	)	$	(0.02	)
Balance Sheet Data:
Working capital		133,510			(1,065	)		132,445
Total assets		378,135			(1,065	)		377,070
Total stockholders’ equity		167,835			(1,065	)		166,770

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Item 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS.

You should read the following discussion of our financial condition and results of operations together with those financial statements and the notes to those statements included elsewhere in this filing. This discussion contains forward looking statements based on our current expectations, assumptions, estimates and projections about us and our industry. Our actual results could differ materially from those anticipated in these forward looking statements. We undertake no obligation to update publicly any forward-looking statements for any reason, even if new information becomes available or other events occur in the future.

Management Overview:

RTI is a global surgical implant company that designs, develops, manufactures and distributes biologic, metal and synthetic implants. Our implants are used in orthopedic, spine, sports medicine, general surgery, trauma and other surgical procedures to repair and promote the natural healing of human bone and other human tissues and improve surgical outcomes. We manufacture metal and synthetic implants and process donated human musculoskeletal and other tissue and bovine and porcine animal tissue in producing allograft and xenograft implants using our proprietary BIOCLEANSE^®, TUTOPLAST^® and CANCELLE^® SP sterilization processes. We process tissue at our facilities in Alachua, Florida and Neunkirchen, Germany and manufacture metal and synthetic implants in Marquette, Michigan and Greenville, North Carolina. We are accredited in the U.S. by the American Association of Tissue Banks and we are a member of AdvaMed. Our implants are distributed directly to hospitals throughout the U.S. and in more than 40 countries worldwide with the support of both our and third-party representatives as well as through larger purchasing companies. We were founded in 1997 and are headquartered in Alachua, Florida.

Domestic distributions and services accounted for 91% of total revenues in 2018. Most of our implants are distributed directly to healthcare providers, hospitals and other healthcare facilities through a direct distribution force and through various OEM relationships.

International distributions and services accounted for 9% of total revenues in 2018. Our implants are distributed in over 40 countries through a direct distribution force in Germany and through stocking distributors in the rest of the world outside of Germany and the U.S.

Our business is generally not seasonal in nature; however, the number of orthopedic implant surgeries and elective procedures generally declines during the summer months.

We are implementing a focused strategy to expand our spine and OEM operations and create long-term, profitable growth for the Company. In 2017, we introduced a new management team with extensive experience in an effort to spearhead these efforts. The core components of our strategy are:

• Reduce Complexity. We are working to reduce complexity in our organization by divestingnon-core assets and investing in core competencies.

• Drive Operational Excellence. We are working to optimize material cost and drive operational efficiency to reduce other direct costs by pursuing world class manufacturing.

• Accelerate Growth. We are investing in innovative, niche high growth product categories leveraging core competency in the spine market; utilizing core technologies to expand OEM relationships and drive organic growth; and building relevant scale in our spinal portfolio to improve importance to the consolidating healthcare market driven by integrated delivery networks and group purchasing organizations.

In line with our strategy, on January 4, 2018, we acquired Zyga, a leading spine-focused medical device company that develops and produces innovative minimally invasive devices to treat underserved conditions of the lumbar spine. Zyga’s primary product is the SImmetry^® Sacroiliac Joint Fusion System. Under the terms of the merger agreement dated January 4, 2018, we acquired Zyga for $21.0 million in consideration paid at closing (consisting of borrowings of $18.0 million on our revolving credit facility and $3.0 million cash on hand), $1.0 million contingent upon the successful achievement of a clinical milestone, and a revenue based earnout consideration of up to an additional $35.0 million.

In addition, on November 1, 2018, we entered into a definitive agreement to acquire Paradigm in a cash and stock transaction valued at up to $300.0 million, consisting of $150.0 million at closing, plus potential future milestone payments. Established in 2005, Paradigm’s primary product is the coflex^® Interlaminar Stabilization^® device, a differentiated and

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minimally invasive motion preserving stabilization implant that is FDA premarket approved for the treatment of moderate to severe lumbar spinal stenosis (“LSS”) in conjunction with decompression. The transaction is expected to close by the end of the first quarter of 2019 and is subject to the satisfaction of customary closing conditions and applicable regulatory approvals.

Under the terms of the agreement, we will pay $100.0 million in cash and issue 10,729,614 shares of RTI common stock at closing, and revenue based earnout consideration of up to $150.0 million in a combination of cash and RTI common stock. The shares of RTI stock to be issued at closing were valued based on the volume weighted average closing trading price for the five trading days prior to the date of execution of the definitive agreement, representing $50.0 million of value. We intend to fund the cash portion of the consideration with approximately $100.0 million in new, fully-committed debt financing. We have not completed our preliminary purchase price allocation.

We believe these are significant steps toward focusing our business and advancing our efforts to generate predictable and sustainable operating results through disciplined execution and building scale to extend distribution of our products in those areas that offer the greatest opportunities to benefit our patients and stockholders.

We continue to maintain our commitment to research and development and the introduction of new strategically targeted allograft, xenograft, metal and synthetic implants as well as focused clinical efforts to support their acceptance in the marketplace. In addition, we consider strategic acquisitions from time to time for new implants and technologies intended to augment our existing implant offerings, as well as strategic dispositions from time to time in response to market trends or industry developments.

Restatement and Revision of Previously Issued Financials

As previously discussed in the Explanatory Note at the beginning of this Form10-K/A and as further discussed in Notes 27 and 28 of the Consolidated Financial Statements in Part II, Item 8, “Financial Statements and Supplementary Data,” we have restated our consolidated financial statements for the years ended December 31, 2018, 2017, and 2016 and all interim periods therein.

Critical Accounting Policies

The preparation of our financial statements in accordance with accounting principles generally accepted in the United States (“U.S. GAAP”) often requires us to make estimates and judgments that affect reported amounts. These estimates and judgments are based on historical experience and assumptions that we believe to be reasonable under the circumstances. Assumptions and judgments based on historical experience may provide reported results which differ from actual results; however, these assumptions and judgments historically have not varied significantly from actual experience and we therefore do not expect them to vary significantly in the future.

The accounting policies which we believe are “critical,” or require the most use of estimates and judgment, relate to the following items presented in our financial statements: 1) Tissue Inventory Valuation; 2) Accounts Receivable Allowances; 3) Long-Lived Assets; 4) Intangible Assets and Goodwill; 5) Revenue Recognition; 6)Stock-Based Compensation Plans; and 7) Income Taxes.

Tissue Inventory Valuation.U.S. GAAP requires that inventory be stated at the lower of cost or market value. Due to various reasons, some tissue within our inventory will never become available for distribution. Therefore, we must make estimates of future distribution from existing inventory in order towrite-off inventory which will not be distributed and which therefore has reduced or no market value.

Our management reviews available information regarding processing costs, inventory distribution rates, industry supply and demand, medical releases and processed tissue rejections, in order to determine write-offs of cost above market value. For a variety of reasons, we may from time to time be required to adjust our assumptions as processes change and as we gain better information. Although we continue to refine the information on which we base our estimates, we cannot be sure that our estimates are accurate indicators of future events. Accordingly, future adjustments may result from refining these estimates. Such adjustments may be significant.

Accounts Receivable Allowances.We maintain allowances for doubtful accounts based on our review and assessment of payment history and our estimate of the ability of each customer to make payments on amounts invoiced. If the financial condition of any of our customers were to deteriorate, additional allowances might be required. From time to time we must adjust our estimates. Changes in estimates of the collection risk related to accounts receivable can result in decreases and increases to current period net income.

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Long-Lived Assets.We periodically evaluate the period of depreciation or amortization for long-lived assets to determine whether current circumstances warrant revised estimates of useful lives. We review our property, plant and equipment for impairment whenever events or changes in circumstances indicate the carrying value of an asset may not be recoverable. Recoverability is measured by a comparison of the carrying amount to the net undiscounted cash flows expected to be generated by the asset. An impairment loss would be recorded for the excess of net carrying value over the fair value of the asset impaired. The fair value is estimated based on expected discounted future cash flows. The results of impairment tests are subject to management’s estimates and assumptions of projected cash flows and operating results. Changes in assumptions or market conditions could result in a change in estimated future cash flows and the likelihood of materially different reported results. Past estimates by management of the fair values and useful lives of long-lived assets and investments have periodically been impacted byone-time events.

During the second quarter of 2018, we incurred an asset impairment of $4.5 million related to lower distributions of our map3^® implants as a result of us phasing out and ceasing distributions effective October 31, 2018. During the fourth quarter of 2017, we ceased certain long-term projects resulting in asset abandonments of long-term assets at our U.S. facility of $3.5 million. During the fourth quarter of 2016, we concluded a strategic review of our business lines and operations, and updated our financial projections. As a result, our financial projections related to our hernia business line were adjusted downward. This business line is a significant driver of revenue for the Tutogen Germany asset group. As a result, during the fourth quarter of 2016, we completed an asset group impairment test and determined the carrying value was not recoverable as of December 31, 2016. We used a market approach to determine the fair value of the Tutogen Germany asset group’s long lived assets and recognized impairment charges related to identified intangibles and property and equipment of $5.4 million.

Intangible Assets and Goodwill. Financial Accounting Standards Board (“FASB”) ASC 350,Goodwill and Other Intangible Assets, requires companies to test goodwill for impairment on an annual basis at the reporting unit level (or an interim basis if an event occurs that might reduce the fair value of a reporting unit below its carrying value). We have one reporting unit and the annual impairment test is performed at eachyear-end unless indicators of impairment are present and require more frequent testing. FASB ASC 350 also requires that the carrying value of an identifiable intangible asset that has an indefinite life be determined by using a fair value based approach.

Intangible assets generally consist of patents, procurement contracts, customer lists, distribution agreements and acquired exclusivity rights. Patents are amortized on the straight-line method over the shorter of the remaining protection period or estimated useful lives of between 8 and 16 years. Procurement contracts, customer lists, acquired exclusivity rights and distribution agreements are amortized over estimated useful lives of between 5 to 25 years.

Goodwill is tested for impairment by comparing the fair value of the reporting unit to its carrying amount, including goodwill. In concluding as to fair value of the reporting unit for purposes of testing goodwill, an income approach and a market approach are utilized. The conclusion from these two approaches are weighted equally and then adjusted to incorporate a control premium or acquisition premium that reflects the additional amount a buyer is willing to pay for elements of control and for a premium that reflects the buyer’s perception of its ability to add value through synergies. Based on this test, it was concluded that fair value of goodwill is substantially in excess of its carrying value.

In general, the income approach employs a discounted cash flow model that considers: 1) assumptions that marketplace participants would use in their estimates of fair value, including the cash flow period, terminal values based on a terminal growth rate and the discount rate; 2) current period actual results; and 3) projected results for future periods that have been prepared and approved by our senior management. The forecasted cash flows do not include synergies that a marketplace participant would be expecting to achieve.

The market approach employs market multiples from guideline public companies operating in our industry. Estimates of fair value are derived by applying multiples based on revenue and earnings before interest, taxes, depreciation and amortization (“EBITDA”) adjusted for size and performance metrics relative to peer companies. A control premium was included in determining the fair value under this approach.

If the carrying amount of the reporting unit exceeds its calculated fair value, the second step of the goodwill impairment test is performed in accordance with FASB ASC 805 to measure the amount of the impairment loss, if any.

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Both approaches used in the analysis have a degree of uncertainty. Potential events or changes in circumstances which could impact the key assumptions used in our goodwill impairment evaluation are as follows:

• Change in peer group or performance of peer group companies;

• Change in the company’s markets and estimates of future operating performance;

• Change in the company’s estimated market cost of capital; and

• Change in implied control premiums related to acquisitions in the medical device industry.

The valuation of goodwill and intangible assets with indefinite useful lives requires management to use significant judgments and estimates including, but not limited to, projected future revenue and cash flows. Changes in assumptions or market conditions could result in a change in estimated future cash flows and the likelihood of materially different reported results.

If we overestimate the useful life of an asset, or overestimate the fair value of an asset, and at some time in the future we dispose of that asset for a lower amount than its carrying value, our historically reported total assets and net income would have been higher than they would have been during periods prior to our recognition of the loss on disposal of assets, and lower during the period when we recognize the loss.

The fair value of these long-term investments is dependent on their performance, as well as volatility inherent in the external markets for these investments. These determinations require complex calculations based on estimated future benefit and fair value. We have often made investments for which the expected future benefit has not been easily estimated. Examples of such investments include, but are not limited to, our acquisition of Pioneer and our acquisition of Tutogen Medical, Inc., (“TMI”), our investment in equipment; and our investment in obtaining patents. In assessing potential impairment for these investments, we consider these factors as well as forecasted financial performance. If forecasts are not met, impairment charges may be required.

Revenue Recognition. We recognize revenue upon shipping, or receipt by our customers of our products and implants, depending on our distribution agreements with our customers or distributors. Our performance obligations consist mainly of transferring control of implants identified in our contracts. We typically transfer control at a point in time upon shipment or delivery of the implants for direct sales, or upon implantation for sales of consigned inventory. Our customer is able to direct the use of, and obtain substantially all of the benefits from, the implant at the time the implant is shipped, delivered, or implanted, respectively, based on the terms of the contract. For performance obligations related to our contracts with exclusively built inventory clauses, we typically satisfy our performance obligations evenly over the contract term as inventory is built. Such exclusively manufactured inventory has no alternative use and we have an enforceable right to payment for performance to date. We use the input method to measure the manufacturing activities completed to date, which depicts the progress of our performance obligation of transferring control of exclusively built inventory. For the contracts with upfront and annual exclusivity fees, revenue related to those fees is recognized over the contract term following a consistent method of measuring progress towards satisfaction of the performance obligation. We use the method and measure of progress that best depicts the transfer of control to the customer of the goods or services to date relative to the remaining goods or services promised under the contract.

We permit returns of tissue in accordance with the terms of contractual agreements with customers if the tissue is returned in a timely manner, in unopened packaging and from the normal channels of distribution. We provide allowances for returns based upon analysis of our historical patterns of returns, matched against the fees from which they originated. Historical returns have been within the amounts we reserved.

Stock-Based Compensation Plans. We account for our stock-based compensation plans in accordance with FASB ASC 718, Accounting for Stock Compensation (“FASB ASC 718”). FASB ASC 718 requires the measurement and recognition of compensation expense for all stock-based awards made to employees and directors, including employee stock options and restricted stock. Under the provisions of FASB ASC 718, stock-based compensation cost is measured at the grant date, based on the calculated fair value of the award, and is recognized as an expense on a straight-line basis over the requisite service period of the entire award (generally the vesting period of the award). We value restricted stock awards using the intrinsic value method, which is based on the fair market value price on the grant date. We use a Monte Carlo simulation model to estimate the fair value of restricted stock awards that contain a market condition.

Income Taxes. We use the asset and liability method of accounting for income taxes. Deferred income taxes are recorded to reflect the tax consequences on future years for differences between the tax basis of assets and liabilities and their financial reporting amounts at eachyear-end based on enacted tax laws and statutory tax rates applicable to the periods in which the differences are expected to affect taxable income. Valuation allowances are established when necessary to reduce deferred tax assets to amounts which are more likely than not to be realized.

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Off Balance-Sheet Arrangements

As of December 31, 2018, we had nooff-balance-sheet arrangements, as defined in Item 303(a)(4)(ii) of RegulationS-K.

Regulatory Approvals in 2018

AMERICAS

• Mexico Approval of the BioCleanse Nonbone Tendon, BTB, and Meniscus

• Colombia Registration of Fusion Instruments

• Costa Rica Import Permits for various allograft products

• Costa Rica Import Permits for a commercial partner product

EUROPE, MIDDLE EAST, AFRICA

• UAE Clearance for a commercial partner’s products

• Fortiva 1mm perforated CE

• Zimmer Dental: CopiOs Bosnia/ Herzgovina/ Montenegro

• Zimmer Dental: Allograft Market extension (Customized Block & Blend) Spain

• Zimmer Dental: Allograft Market extension (Customized Block & Blend) Germany

ASIA-PACIFIC

• Australia Registration for Cross-Fuse II PEEK VBR/IBF procedure pack

• Australia Registration for Fusion Lateral procedure pack

• Australia Registration for Clarity Retractor procedure pack

• Australia Registration for commercial partner’s product

• Malaysia Import Permit for various allograft products

• Singapore License for various allograft products

• Taiwan Approval for 2 commercial partner products

Certifications, Accreditations and Inspections in 2018

AMERICAS

• FDA map3 directed inspections of the RTI facility located in Alachua, Florida

• FDA routine inspection of the RTI facility located in Alachua, Florida

• Canada – MDEL inspection of the RTI facility located in Alachua, Florida

• BSI ISO 13485:2003 surveillance audit of the RTI facility located in Alachua, Florida

• BSI ISO 13485:2016 certification audit of the RTI facility located in Alachua, Florida

• German Authorities (The Paul-Ehrlich-Institut (“PEI”) & Regierung von Oberfranken (“ROF”)) inspection RTI facility located in Alachua, Florida

• American Association of Tissue Banks (AATB) audit of the RTI facility located in Alachua, Florida

• BSI Medical Device Directive Surveillance Audit of the RTI facility located in Marquette, Michigan

• Korean authority of Ministry of Food and Drug Safety (“MFDS”) inspection performed of the RTI facility located in Marquette, Michigan

• BSI ISO13485:2016 Microbiology Surveillance Audit of the RTI facility located in Greenville, North Carolina

• BSI ISO13485:2003 Microbiology Surveillance Audit of the RTI facility located in Alachua, Florida

• BSI ISO 13485:2003 Surveillance audit of the RTI facility located in Alachua, Florida

• BSI ISO 13485:2003 surveillance audit of the RTI facility located in Minnetonka, Minnesota (Zyga)

• FDA routine inspection of the RTI facility located in Minnetonka, Minnesota (Zyga)

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• BSI ISO13485:2003 Microbiology Surveillance Audit of the RTI facility located in Minnetonka, Minnesota (Zyga)

EUROPE

• FDA Surveillance Inspection 21 CFR 1271 of RTI facility located in Neunkirchen, Germany

• BSI ISO 13485:2003 surveillance Audit of RTI facility located in Neunkirchen, Germany

• BSI ISO 13485:2016 transition, recertification Audit of RTI facility located in Neunkirchen, Germany

• German Health Authority directed inspection of RTI facility located in Neunkirchen, Germany

ASIA

All registrations, licensures, certifications and accreditations were renewed or continued for all locations.    

Implant and Product Recalls in 2018

In 2018, there were no voluntary recalls by the Center for Devices and Radiological Health (“CDRH”) of the FDA.

In 2018, there were two voluntary recalls by the Center for Biologics Evaluation and Research (“CBER”) of the FDA.

• May 2018 – A voluntary recall notification to 29 facilities for 55 allografts was provided on May 11, 2018 for some frozen bone allografts available for implantation in a specific packaging configuration. Field activities were completed in August 2018. The FDA did not issue a recall reference number or recall classification associated with the reported event.

• November 2018 – RTI received additional donor information potentially related to high risk behavior after donor release and distribution of some tissues. A voluntary recall notification to five physicians and two distributors for 18 allografts (fresh OC, Tutoplast pericardium, and Tutoplast dermis) was provided on November 8, 2018. All field activities were completed in December 2018. The FDA did not issue a recall reference number or recall classification associated with the reported event.

In 2018, there were two voluntary recalls with the German Federal High Authorities (BfArM and PEI, respectively) and the German Health Authority (ROF).

• April 2018 – A voluntary recall notification to one facility due to a mislabeling of the outer product packaging of Xenograft product. Notification was made to the German Authorities (BfArM/ ROF). The case was closed by the German Federal High Authority (BfArM).

• November 2018 – A voluntary recall due to an error in the barcode on the labeling involving 20 allografts packages. Notification was made to the German Authorities (PEI/ROF). Field activities are ongoing.

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Results of Operations

The following tables set forth, in both dollars and as a percentage of revenues, the results of our operations for the years indicated:

	Year Ended December 31,
	2018					2017					2016
	(as restated)					(as restated)					(as restated)
	(Dollars in thousands)
Statement of Operations Data:
Revenues	$	280,362		100.0%		$	280,349		100.0%		$	275,984		100.0%
Costs of processing and distribution		140,719		50.2			137,277		49.0			142,657		51.7
Gross profit		139,643		49.8			143,072		51.0			133,327		48.3
Expenses:
Marketing, general and administrative		119,724		42.7			115,009		41.0			116,666		42.3
Research and development		14,410		5.1			13,315		4.7			16,297		5.9
Severance and restructuring costs		2,808		1.0			12,016		4.3			2,146		0.8
Strategic review costs		—		—			—		—			1,150		0.4
Executive transition costs		—		—			2,818		1.0			4,404		1.6
Contested proxy expenses		—		—			—		—			2,680		1.0
Asset impairment and abandonments		5,070		1.8			4,034		1.4			5,241		1.9
Acquisition and integration expenses		4,943		1.8			630		0.2			—		—
Cardiothoracic closure business divestiture contingency consideration		(3,000	)	(1.1	)		—		—			—		—
Gain on cardiothoracic closure business divestiture		—		—			(34,090	)	(12.2	)		—		—
Total operating expenses		143,955		51.3			113,732		40.4			148,584		53.9
Operating (loss) income		(4,312	)	(1.5	)		29,340		10.5			(15,257	)	(5.6	)
Other (expense) income:
Interest expense		(2,771	)	(1.0	)		(3,180	)	(1.1	)		(1,655	)	(0.6	)
Interest income		35		0.0			8		—			8		—
Loss on extinguishment of debt		(309	)	(0.1	)		—		—			—		—
Foreign exchange (loss) gain		(34	)	(0.0	)		87		—			(129	)	—
Total other expense - net		(3,079	)	(1.1	)		(3,085	)	(1.1	)		(1,776	)	(0.6	)
(Loss) income before income tax (provision) benefit		(7,391	)	(2.6	)		26,255		9.5			(17,033	)	(6.2	)
Income tax benefit (provision)		4,268		1.5			(19,349	)	(6.9	)		3,228		1.2
Net (loss) income		(3,123	)	(1.1	)		6,906		2.6			(13,805	)	(5.0	)
Convertible preferred dividend		(2,120	)	(0.8	)		(3,723	)	(1.3	)		(3,508	)	(1.3	)
Net (loss) income applicable to common shares	$	(5,243	)	(1.9%	)	$	3,183		1.3%		$	(17,313	)	(6.3%	)

	Year Ended December 31,						Percent Change
	2018		2017		2016		2018/2017			2017/2016
	(In thousands)
	(as restated)		(as restated)		(as restated)		(as restated)			(as restated)
Revenues:
Spine	$	79,812	$	77,646	$	74,086		2.8%			4.8%
Sports		54,560		57,070		54,629		(4.4%	)		4.5%
OEM		120,024		111,506		111,013		7.6%			0.4%
International		25,966		25,964		25,109		0.0%			3.4%
Cardiothoracic		—		8,163		11,147		(100.0%	)		(26.8%	)
Total revenues	$	280,362	$	280,349	$	275,984		0.0%			1.6%

2018 Compared to 2017

Total Revenues. Our revenues totaled $280.4 million for the year ended December 31, 2018, compared to $280.3 million for the year ended December 31, 2017. Growth in OEM due to timing of delivery to certain distributors, primarily in the dental and trauma markets, and increased distributions of our spine hardware implants, primarily as a result of our new SImmetry^® implants, acquired through the acquisition of Zyga was offset by the decline in revenue from the sale of substantially of the assets of the Cardiothoracic business.

Spine. Revenues from spinal implants increased $2.2 million, or 2.8%, to $79.8 million for the year ended December 31, 2018, compared to $77.6 million for the year ended December 31, 2017. Spine revenues increased primarily as a result of increased distributions of our spine hardware implants, primarily our new SImmetry^® implants, partially offset by lower distributions of our map3^® implants as a result of us phasing out and ceasing distributions effective October 31, 2018.

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Sports.Revenues from sports allografts decreased $2.5 million, or 4.4%, to $54.6 million for the year ended December 31, 2018, compared to $57.1 million for the year ended December 31, 2017. Sports revenues decreased primarily as a result of decreased distributions of our tendon and biologic implants, partially offset by growth in our dermis based implants.

OEM. Revenues from OEM increased $8.5 million, or 7.6%, to $120.0 million for the year ended December 31, 2018, compared to $111.5 million for the year ended December 31, 2017. OEM revenues increased primarily as a result of higher orders and due to timing of delivery to certain OEM distributors, primarily in the dental and trauma markets.

International Revenues. International revenues include distributions from our foreign affiliates as well as domestic export revenues. International revenues increased less than $0.1 million to $26.0 million for the year ended December 31, 2018, which was comparable to the year ended December 31, 2017.

Cardiothoracic. On August 3, 2017, we completed the sale of substantially all of the assets related to the CT Business to A&E. Additionally, we have entered into a multi-year Contract Manufacturing Agreement with A&E whereby we continue to support the CT Business under A&E’s ownership through the manufacturing of existing products, which generates revenue for our OEM business.

Costs of Processing and Distribution. Costs of processing and distribution increased $3.4 million, or 2.5%, to $140.7 million for the year ended December 31, 2018 from $137.3 million for the year ended December 31, 2017. Costs of processing and distribution increased as a percentage of revenues from 49.0% for the year ended December 31, 2017 to 50.2% for the year ended December 31, 2018. Costs of processing and distribution was negatively impacted by an inventorywrite-off of $6.6 million related to decreased distributions of our map3^® implant; $1.0 million as a result ofwriting-off certain obsolete quantities primarily of bone graft substitute inventory due to the rationalization of our international distribution infrastructure; purchase accounting step up adjustments to Zyga inventory of $0.6 million charged to costs of processing and distribution as inventory was sold for the impact of the inventorywrite-off.

Marketing, General and Administrative Expenses. Marketing, general and administrative expenses increased $4.7 million, or 4.1%, to $119.7 million for the year ended December 31, 2018, compared to $115.0 million for the year ended December 31, 2017. Marketing, general and administrative expenses increased as a percentage of revenues from 41.0% for the year ended December 31, 2017 to 42.7% for the year ended December 31, 2018. The increase was primarily due to the Zyga acquisition resulting in incremental headcount and marketing and administrative related expenses.

Research and Development Expenses.Research and development expenses increased $1.1 million, or 8.3%, to $14.4 million for the year ended December 31, 2018, compared to $13.3 million for the year ended December 31, 2017. As a percentage of revenues, research and development expenses increased from 4.7% for the year ended December 31, 2017, to 5.1% for the year ended December 31, 2018. The increase is in support of our strategic initiative to accelerate growth and was primarily due to the Zyga acquisition resulting in higher compensation and project related expenses.

Severance and Restructuring Costs. Severance and restructuring costs related to the reduction of our organizational structure resulted in $2.8 million of expenses for the year ended December 31, 2018, compared to $12.0 million for the year ended December 31, 2017.

Executive Transition Costs.Executive transition costs related to hiring a new Chief Executive Officer and Chief Financial and Administrative Officer resulted in $2.8 million of an inducement award and stock-based compensation expenses for the year ended December 31, 2017. No executive transition costs were incurred for the year ended December 31, 2018.

Asset Impairment and Abandonments. Asset impairment and abandonment costs, primarily related to lower distributions of our map3^® implant, were $5.1 million for the year ended December 31, 2018, compared to $4.0 million related to asset abandonments of certain long-term assets primary at our U.S. facility for the year ended December 31, 2017.

Acquisition and Integration Expenses. Acquisition and integration expenses related to the purchase of Zyga and the agreement to acquire Paradigm resulted in $4.9 million of expenses for the year ended December 31, 2018, compared to $0.6 million of expenses related to the purchase of Zyga for the year ended December 31, 2017.

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Cardiothoracic closure business divestiture contingency consideration. We have no indemnification obligations associated with the sale of our CT Business to A&E on August 3, 2017; accordingly, we received the remaining cash contingency consideration of $3.0 million which had been held in escrow for twelve months.

Total Net Other Expense. Total net other expense, which includes interest expense, interest income, loss on extinguishment of debt and foreign exchange loss were $3.1 million for the year ended December 31, 2018, which was comparable to the year ended December 31, 2017.

Income Tax Benefit (Provision). Income tax benefit for the year ended December 31, 2018 was $4.3 million compared to an income tax provision of $19.4 million for the year ended December 31, 2017. Our effective tax rate for the year ended December 31, 2018 and 2017 was 57.8% and 73.7% respectively. Our effective tax rate for the year ended December 31, 2018, was primarily impacted due to foreign earnings taxed at lower rates, a tax benefit recognized related to our accounting for the Tax Legislation, changes in valuation allowances, and previously unrecorded tax benefits recognized. Our effective tax rate for the year ended December 31, 2017, was primarily impacted due tonon-deductible goodwill and a tax provision recognized related to our accounting for the Tax Legislation.

Convertible Preferred Dividend. As a result of the acquisition of Pioneer and pursuant to the terms of the investment agreement with Water Street, we accrued a convertible preferred dividend of $2.1 million for the year ended December 31, 2018, compared to $3.7 million for the year ended December 31, 2017. On August 1, 2018, the Company and Water Street, a related party, entered into an Amended and Restated Certificate of Designation of Series A Convertible Preferred Stock of RTI Surgical, Inc. (the “Amended and Restated Certificate of Designation”). Pursuant to the Amended and Restated Certificate of Designation: (1) dividends on the Series A Preferred Stock will not accrue after July 16, 2018 (in the event of a default by us, dividends will begin accruing and will continue to accrue until the default is cured); (2) we may not force a redemption of the Series A Preferred Stock prior to July 16, 2020; and (3) the holders of the Series A Preferred Stock may not convert the Series A Preferred Stock into common stock prior to July 16, 2021 (with certain exceptions). We evaluated and concluded on a qualitative basis the amendment qualifies as modification accounting to the preferred shares, which did not result in a change in the valuation of the shares.

2017 Compared to 2016

Total Revenues. Our total revenues increased $4.4 million, or 1.6%, to $280.4 million for the year ended December 31, 2017, compared to $276.0 million for the year ended December 31, 2016.

Spine. Revenues from spinal implants increased $3.5 million, or 4.8%, to $77.6 million for the year ended December 31, 2017, compared to $74.1 million for the year ended December 31, 2016. Spine revenues increased primarily as a result of increased distributions of our map3^® implant.

Sports. Revenues from sports allografts increased $2.5 million, or 4.5%, to $57.1 million for the year ended December 31, 2017, compared to $54.6 million for the year ended December 31, 2016. Sports revenues increased primarily as a result of increased distributions of our Cortiva^TM implants.

OEM. Revenues from OEM increased $0.5 million, or 0.4%, to $111.5 million for the year ended December 31, 2017, compared to $111.0 million for the year ended December 31, 2016. OEM revenues increased primarily as a result of higher orders from certain OEM distributors, primarily in the dental and trauma markets. Effective August 3, 2017, our cardiothoracic hardware implants are distributed through A&E.

International Revenues. International revenues include distributions from our foreign affiliates as well as domestic export revenues. International revenues increased $0.9 million, or 3.4%, to $26.0 million for the year ended December 31, 2017, compared to $25.1 million for the year ended December 31, 2016. International revenues increased primarily as a result of higher distributions in Europe and Asia Pacific due to expanded distribution channels.

Cardiothoracic. Revenues from cardiothoracic implants decreased $2.9 million, or 26.8%, to $8.2 million for the year ended December 31, 2017, compared to $11.1 million for the year ended December 31, 2016. The decrease was primarily the result of the August 3, 2017, sale of substantially all of the assets of the CT Business to A&E, which was partially offset by the increased distribution of sternal cables and sternal closure plates prior to the sale of the CT Business due to expanded investment in distribution channels. In addition, we have entered into a multi-year Contract Manufacturing Agreement with A&E whereby we will continue to support the CT Business under A&E’s ownership through the manufacturing of existing products, which will generate revenue for our OEM business.

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Costs of Processing and Distribution. Costs of processing and distribution decreased $5.4 million, or 3.8%, to $137.3 million for the year ended December 31, 2017 from $142.7 million for the year ended December 31, 2016. Costs of processing and distribution decreased as a percentage of revenues from 51.7% for the year ended December 31, 2016 to 49.0% for the year ended December 31, 2017. The decrease was primarily due to a $9.6 million inventory charge for the year ended December 31, 2016 as a result ofwriting-off certain excess quantities primarily of hernia and sports medicine inventory, offset by changes in distribution mix for the year ended December 31, 2017.

Marketing, General and Administrative Expenses. Marketing, general and administrative expenses decreased $1.7 million, or 1.5%, to $115.0 million for the year ended December 31, 2017, compared to $116.7 million for the year ended December 31, 2016. Marketing, general and administrative expenses decreased as a percentage of revenues from 42.3% for the year ended December 31, 2016 to 41.0% for the year ended December 31, 2017 primarily due to the sale of the CT Business and the reduction of our organizational structure, as a result of improvements in organizational efficiencies.

Research and Development Expenses.Research and development expenses decreased $3.0 million, or 18.4%, to $13.3 million for the year ended December 31, 2017, compared to $16.3 million for the year ended December 31, 2016. As a percentage of revenues, research and development expenses decreased from 5.9% for the year ended December 31, 2016 to 4.7% for the year ended December 31, 2017. The decrease was primarily due to the reduction of our organizational structure, as a result of improvements in organizational efficiencies.

Severance and Restructuring Costs. Severance and restructuring costs related to the reduction of our organizational structure resulted in $12.0 million of expenses for the year ended December 31, 2017, compared to $2.1 million for the year ended December 31, 2016.

Executive Transition Costs.Executive transition costs related to hiring a new Chief Executive Officer and Chief Financial and Administrative Officer resulted in $2.8 million of an inducement award and stock-based compensation expenses for the year ended December 31, 2017. This compares to executive transition costs related to the retirement of our former Chief Executive Officer which resulted in $4.4 million of severance, stock-based compensation and other retirement related expenses for the year ended December 31, 2016.

Asset Impairment and Abandonments. Asset impairment and abandonments related to asset abandonments of certain long-term assets of $4.0 million primarily at our U.S. facility for the year ended December 31, 2017, compared to a $5.2 million asset impairment at our German facility for the year ended December 31, 2016.

Acquisition Expenses. Acquisition expenses related to the purchase of Zyga resulted in $0.6 million of expenses for the year ended December 31, 2017. There were no acquisition expenses for the year ended December 31, 2016.

Cardiothoracic closure business divestiture contingency consideration. We have no indemnification obligations associated with the sale of our CT Business to A&E on August 3, 2017; accordingly, we received the remaining cash contingency consideration of $3.0 million which had been held in escrow for twelve months.

Total Net Other Expense. Total net other expense was $3.1 million for the year ended December 31, 2017, compared to $1.8 million for the year ended December 31, 2016. The increase in total net other expense is primarily attributable to higher interest expense of $3.2 million in 2017, compared to $1.7 million in 2016 as a result of higher interest rate and average debt balance as compared to the year ended December 31, 2016, offset by a foreign currency exchange gain of $87,000 for the year ended December 31, 2017, compared to a foreign currency exchange loss of $132,000 for the year ended December 31, 2016, resulting from changes in the value of the U.S. dollar versus the Euro and the timing of payments on foreign currency liabilities.

Income Tax (Provision) Benefit. Income tax provision for the year ended December 31, 2017 was $19.4 million, compared to an income tax benefit of $3.3 million for the year ended December 31, 2016. Our effective tax rate for the year ended December 31, 2017 and 2016 was 73.7% and 19.0% respectively. Our effective tax rate increased as a result of disposing ofnon-deductible goodwill relating to the sale of substantially all of the assets of the CT business to A&E, and recordingnon-deductible executive compensation. In addition, on December 22, 2017, the Tax Legislation was enacted. The Tax Legislation significantly revises the U.S. corporate income tax code by, among other things, lowering corporate income tax rates and imposing a transition tax on deemed repatriated earnings of foreign subsidiaries. As a result of the Tax Legislation and in accordance with SAB 118, we recorded a provisional tax expense of $2.2 million, which increased our effective tax rate.

Convertible Preferred Dividend. As a result of the acquisition of Pioneer and pursuant to the terms of the investment agreement with Water Street, we accrued a convertible preferred dividend of $3.7 million for the year ended December 31, 2017, compared to $3.5 million for the year ended December 31, 2016.

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Non-GAAP Financial Measures

We utilize certain financial measures that are not calculated based on Generally Accepted Accounting Principles (“GAAP”). Certain of these financial measures are considered“non-GAAP” financial measures within the meaning of Item 10 of RegulationS-K promulgated by the SEC. We believe thatnon-GAAP financial measures provide an additional way of viewing aspects of our operations that, when viewed with the GAAP results, provide a more complete understanding of our results of operations and the factors and trends affecting our business. Thesenon-GAAP financial measures are also used by our management to evaluate financial results and to plan and forecast future periods. However,non-GAAP financial measures should be considered as a supplement to, and not as a substitute for, or superior to, the corresponding measures calculated in accordance with GAAP.Non-GAAP financial measures used by us may differ from thenon-GAAP measures used by other companies, including our competitors.

To supplement our consolidated financial statements presented on a GAAP basis, we disclosenon-GAAP net income applicable to common shares adjusted for certain amounts. The calculation of the tax effect on the adjustments between GAAP net (loss) income applicable to common shares andnon-GAAP net income applicable to common shares is based upon our estimated annual GAAP tax rate, adjusted to account for items excluded from GAAP net (loss) income applicable to common shares in calculatingnon-GAAP net income applicable to common shares. Reconciliations of each of thesenon-GAAP financial measures to the corresponding GAAP measures are included in the reconciliation below:

	Year Ended December 31,
	2018			2017			2016
	(as restated)			(as restated)			(as restated)
	(In thousands)
Net (loss) income applicable to common shares, as reported	$	(5,243	)	$	3,183		$	(17,313	)
Severance and restructuring costs		2,808			12,016			2,146
Strategic review costs		—			—			1,150
Executive transition costs		—			2,818			4,404
Contested proxy expenses		—			—			2,680
Asset impairment and abandonments		5,070			4,034			5,241
Inventory purchase price adjustment		594			—			—
Loss on extinguishment of debt		309			—			—
Inventory write-off		7,582			—			9,556
Acquisition and integration expenses		4,943			630			—
Cardiothoracic closure business divestiture contingency consideration		(3,000	)		—			—
Gain on cardiothoracic closure business divestiture		—			(34,090	)		—
Foreign net operating loss valuation reserve		—			—			1,224
Net change in valuation allowance		(1,620	)		—			—
Tax effect on new tax legislation		(650	)		2,187			—
Tax effect on other adjustments		(4,180	)		13,117			(6,602	)
Non-GAAP net income applicable to common shares, adjusted	$	6,613		$	3,895		$	2,486

The following are explanations of the adjustments that management excluded as part of thenon-GAAP measures for the years ended December 31, 2018, 2017 and 2016. Management removes the amount of these costs from our operating results to supplement a comparison to our past operating performance.

2018, 2017 and 2016 Severance and restructuring costs – These costs relate to the reduction of our organizational structure, primarily driven by simplification of our international operating infrastructure, specifically our distribution model.

2016 Strategic review costs – This adjustment represents charges relating to a comprehensive strategic review of the Company’s business lines and operations to leverage the Company’s expertise, technology and products and identify opportunities to increase stockholder value.

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2017 and 2016 Executive transition costs – This adjustment represents charges relating to hiring a new Chief Executive Officer and Chief Financial and Administrative Officer and the retirement of our former Chief Executive Officer.

2016 Contested proxy expenses – This adjustment represents charges relating to contested proxy expenses.

2018, 2017 and 2016 Asset impairment and abandonments – These costs relate to asset impairment and abandonment due to lower distributions and ultimate discontinuation of our map3^® implant and certain long-term assets at our U.S. and German facilities. Asset impairment and abandonments resulting from normal operations were not excluded herein.

2018 Inventory purchase price adjustment – These costs relate to the purchase price effects of acquired Zyga inventory that was sold during the year ended December 31, 2018.

2018 Loss on extinguishment of debt – These costs relate to refinancing our debt.

2018 and 2016 Inventorywrite-off – These costs relate to an inventorywrite-off due to the rationalization of our international distribution infrastructure, an inventorywrite-off related to lower distributions and ultimate discontinuation of our map3^® implant andwriting-off certain excess quantities primarily of hernia and sports medicine inventory.

2018 and 2017 Acquisition and integration expenses – These costs relate to acquisition and integration expenses due to the purchase of Zyga and the agreement to acquire Paradigm.

2018 Cardiothoracic closure business divestiture contingency consideration – This adjustment represents the remaining cash contingency consideration received from the sale of substantially all of the assets of our CT Business to A&E.

2017 Gain on cardiothoracic closure business divestiture – This adjustment represents the gain relating to the sale of substantially all of the assets of our CT Business to A&E.

2016 Foreign net operating loss valuation reserve – This adjustment represents charges relating to a foreign net operating loss valuation reserve.

2018 Net change in valuation allowance – This adjustment represents a net change in valuation allowance relating to foreign and certain state deferred tax assets.

2018 and 2017 Tax effect on new tax legislation – This adjustment represents charges relating to the Tax Legislation which was enacted on December 22, 2017.

Liquidity and Capital Resources

2018 Compared to 2017

Our working capital at December 31, 2018 decreased $14.9 million to $118.1 million from $133.0 million at December 31, 2017, primarily as a result of the purchase of Zyga. We acquired Zyga for $21.0 million in consideration paid at closing.

At December 31, 2018, we had 63 days of revenues outstanding in trade accounts receivable, an increase of 17 days compared to December 31, 2017. The increase is primarily driven by the longer period receivables remain outstanding for contracts with customers where inventory is exclusively built with no alternative use to us, and where revenue is recognized over time under ASC 606. Whereas previously, revenue and receivables were recorded at the time of shipment, they are now recorded over time. The customer, however, is only billed at the time of shipment.

At December 31, 2018, we had 279 days of inventory on hand, a decrease of 19 days compared to December 31, 2017. The decrease in inventory days is primarily due to higher distributions; inventory obsolescence due to the rationalization of our international distribution infrastructure; and an inventorywrite-off related to the cessation of distributions of our map3^® implant during the year ended December 31, 2018. We believe that our inventory levels will be adequate to support ouron-going operations for the next twelve months.

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We had $10.9 million of cash and cash equivalents at December 31, 2018. At December 31, 2018, our foreign subsidiaries held $2.5 million in cash. We intend to indefinitely reinvest the earnings of our foreign subsidiaries. If we were to repatriate indefinitely reinvested foreign funds, we would not be subject to additional U.S. federal income tax, however, we would be required to accrue and pay any applicable withholding tax and U.S. state income tax liabilities. We do not believe that this policy of indefinitely reinvesting the earnings of our foreign subsidiaries will have a material adverse effect on the business as a whole.

Our short and long-term obligations at December 31, 2018, increased $2.8 million to $49.1 million from $46.3 million at December 31, 2017. The increase in short and long-term obligations was primarily due to increased borrowing to finance the Zyga acquisition.

On January 4, 2018, we acquired Zyga, as discussed above under “Management Overview.”

On June 5, 2018, we, along with our wholly-owned subsidiary, Pioneer, entered into a Credit Agreement (the “2018 Credit Agreement”), as borrowers, with JP Morgan Chase Bank, N.A., as lender (together with the various financial institutions as in the future may become parties thereto, the “Lenders”) and as administrative agent for the Lenders. The 2018 Credit Agreement provides for a revolving credit facility in the aggregate principal amount of up to $100 million (the “Facility”). We will be able to, at our option, and subject to customary conditions and Lender approval, request an increase to the Facility by up to $50 million.

The Facility is guaranteed by our domestic subsidiaries and is secured by: (i) substantially all of the assets of the Company and Pioneer; (ii) substantially all of the assets of each of our domestic subsidiaries; and (iii) 65% of the stock of our foreign subsidiaries.

The initial borrowings made under the 2018 Credit Agreement will bear interest at a rate per annum equal to the monthly REVLIBOR30 Rate (“CBFR Loans”) plus an adjustable margin of up to 2.00% (the “CBFR Rate”). We may elect to convert the interest rate for the initial borrowings to a rate per annum equal to the adjusted LIBO Rate (“Eurodollar Loans”) plus an adjustable margin of up to 2.00% (the “Eurodollar Rate”). For all subsequent borrowings, we may elect to apply either the CBFR Rate or Eurodollar Rate. The applicable margin is subject to adjustment after the end of each fiscal quarter, based upon our average quarterly availability. The maturity date of the Facility is June 5, 2023. We may make optional prepayments on the Facility without penalty. We paid certain customary closing costs and bank fees upon entering into the 2018 Credit Agreement.

We are subject to certain affirmative and negative covenants, including (but not limited to), covenants limiting our ability to: incur certain additional indebtedness; create certain liens; enter into sale and leaseback transactions; and consolidate or merge with, or convey, transfer or lease all or substantially all of its assets to another person. We are required to maintain a minimum fixed charge coverage ratio of at least 1.00:1.00 (the “Required Minimum Fixed Charge Coverage Ratio”) during either of the following periods (each, a “Covenant Testing Period”): (i) a period beginning on a date that a default has occurred and is continuing under the loan documents entered into by us in conjunction with the Credit Agreement (the “Loan Documents”) through the first date on which no default has occurred and is continuing; or (ii) a period beginning on a date that availability under the Facility is less than the specified covenant testing threshold and continuing until availability under the Facility is greater than or equal to the specified covenant testing threshold for thirty (30) consecutive days. The Required Minimum Fixed Charge Coverage Ratio is measured on the last day of each calendar month during the Covenant Testing Period (each a “Calculation Date”), and is calculated using the minimum fixed charge coverage ratio for the twelve (12) consecutive months ended on each Calculation Date. The amounts owed under the 2018 Credit Agreement may be accelerated upon the occurrence of certain events of default customary for facilities for similarly rated borrowers.

At December 31, 2018, the interest rate for the Facility was 4.10%. As of December 31, 2018, there was $50.0 million outstanding on the Facility and total remaining available credit on the Facility was $43.7 million. Our ability to access our Facility is subject to and can be limited by our compliance with our financial and other covenants. We were in compliance with the financial covenants related to our revolving credit facility as of December 31, 2018.

As of December 31, 2018, we believe that our working capital, together with our borrowing ability under the Facility, will be adequate to fund our ongoing operations for the next twelve months.

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Certain Commitments.

On November 1, 2018, we entered into a definitive agreement to acquire Paradigm in a cash and stock transaction valued at up to $300.0 million, consisting of $150.0 million at closing plus potential future milestone payments. Established in 2005, Paradigm’s primary product is the coflex^® Interlaminar Stabilization^® device, a differentiated and minimally invasive motion preserving stabilization implant that is FDA premarket approved for the treatment of moderate to severe LSS in conjunction with decompression. The transaction is expected to close by the end of the first quarter of 2019 and is subject to the satisfaction of customary closing conditions and applicable regulatory approvals.

Under the terms of the agreement, we will pay $100.0 million in cash and issue 10,729,614 shares of RTI common stock at closing, and revenue based earnout consideration of up to $150.0 million in a combination of cash and RTI common stock. The shares of RTI stock to be issued at closing were valued based on the volume weighted average closing trading price for the five trading days prior to the date of execution of the definitive agreement, representing $50.0 million of value. We intend to fund the cash portion of the consideration with approximately $100.0 million in new, fully-committed debt financing. We have not completed our preliminary purchase price allocation.

On January 4, 2018, we acquired Zyga, a leading spine-focused medical device company that develops and produces innovative minimally invasive devices to treat underserved conditions of the lumbar spine. Zyga’s primary product is the SImmetry^® Sacroiliac Joint Fusion System. Under the terms of the merger agreement dated January 4, 2018, we acquired Zyga for $21.0 million in consideration paid at closing (consisting of borrowings of $18.0 million on our revolving credit facility and $3.0 million cash on hand), $1.0 million contingent upon the successful achievement of a clinical milestone, and a revenue based earnout consideration of up to an additional $35.0 million.

On August 3, 2017, we completed the sale of substantially all of the assets related to our CT Business to A&E pursuant to the Asset Purchase Agreement between us and A&E. The total cash consideration received by us under the Asset Purchase Agreement was composed of $54.0 million. $3.0 million of which was held in escrow (the “Escrow Amount”) to satisfy possible indemnification obligations, of which there were none. As such, we earned and received the $3.0 million cash consideration in the third quarter of 2018. An additional $5.0 million in contingent cash consideration is earned if A&E reaches certain revenue milestones (the “Contingent Consideration”). We also earned and received an additional $1.0 million in consideration for successfully obtaining certain FDA regulatory clearance. As a part of the transaction, we also entered into a multi-year Contract Manufacturing Agreement with A&E (the “Contract Manufacturing Agreement”). Under the Contract Manufacturing Agreement, we agreed to continue to support the CT Business by manufacturing existing products and engineering, developing, and manufacturing potential future products for A&E. We elected to account for the Contingent Consideration arrangement including the Escrow Amount, as a gain contingency in accordance with ASC 450 Contingencies. As such, the Contingent Consideration and Escrow Amount were excluded in measuring the fair value of the consideration to be received in connection with the transaction.

On October 12, 2013, we entered into a distribution agreement with Medtronic, pursuant to which Medtronic will distribute certain allograft implants for use in spinal, general orthopedic and trauma surgery. Under the terms of this distribution agreement, Medtronic will be anon-exclusive distributor except for certain specified implants for which Medtronic will be the exclusive distributor. Medtronic will maintain its exclusivity with respect to these specified implants unless the cumulative fees received by us from Medtronic in respect of these specified implants decline by a certain amount during any trailing12-month period. The initial term of this distribution agreement expired on December 31, 2017. The term automatically renewed for a successive five-year period beginning January 1, 2018. The term automatically renews for successive five-year periods, unless either party provides written notice of its intent not to renew at least one year prior to the expiration of the initial term or the applicable renewal period. Because neither party provided notice ofnon-renewal on or before December 31, 2016, the five-year automatic renewal period was triggered. The distribution agreement will therefore continue at least through December 31, 2022.

On September 3, 2010, we entered into an exclusive distribution agreement with Zimmer Dental, Inc. (“Zimmer Dental”), a subsidiary of Zimmer, with an effective date of September 30, 2010, as amended from time to time. The Agreement was assigned to Biomet 3i, LLC (“Biomet”), an affiliate of Zimmer Dental, on January 1, 2016. The Agreement has an initial term of ten years. Under the terms of this distribution agreement, we agreed to supply sterilized allograft and xenograft implants at an agreed upon transfer price, and Biomet has agreed to be the exclusive distributor of the implants for dental and oral applications worldwide (except Ukraine), subject to certain Company obligations under an existing distribution agreement with a third party with respect to certain implants for the dental market. In consideration for Biomet’s exclusive distribution rights, Biomet agreed to the following: 1) payment to us of $13.0 million within ten days of the effective date (the “Upfront Payment”); 2) annual exclusivity fees (“Annual Exclusivity Fees”) paid annually as long as Biomet maintains exclusivity for the term of the contract to be paid at the beginning of each calendar year; and 3) annual purchase minimums to maintain exclusivity. Upon occurrence of an event that materially and adversely affects Biomet’s ability to distribute the implants, Biomet may be entitled to certain refund rights with respect to the then current Annual Exclusivity Fee, where such refund would be in an amount

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limited by a formula specified in this agreement that is based substantially on the occurrence’s effect on Biomet’s revenues. The Upfront Payment, the Annual Exclusivity Fees and the fees associated with distributions of processed tissue are considered to be a single performance obligation. Accordingly, the Upfront Payment and the Annual Exclusivity Fees are deferred as received and are being recognized as other revenues over the term of this distribution agreement based on the expected contractual annual purchase minimums relative to the total contractual minimum purchase requirements in this distribution agreement. Additionally, we considered the potential impact of this distribution agreement’s contractual refund provisions and does not expect these provisions to impact future expected revenue related to this distribution agreement.

On July 13, 2009, we and Davol amended our previous distribution agreement with TMI for human dermis implants. Under the amended agreement: 1) Davol paid us $8.0 million innon-refundable fees for exclusive distribution rights for the distribution to the breast reconstruction market until July 13, 2019; 2) the exclusive worldwide distribution agreement related to the hernia market was extended to July 13, 2019; and 3) Davol agreed to pay us certain additional exclusive distribution rights fees contingent upon the achievement of certain revenue milestones by Davol during the duration of the contract. In the fourth quarter of 2010, Davol paid the first revenue milestone payment of $3.5 million. Thenon-refundable fees and the fees associated with distributions of processed tissue are considered to be a single performance obligation. Accordingly, the $8.0 million and $3.5 million exclusivity payments were deferred and were being recognized as other revenues on a straight-line basis over the initial term of the amended contract of ten years, and the remaining term of the amended contract, respectively. Davol did not achieve certain revenue growth milestones which resulted in Davol relinquishing its exclusive distribution rights in the hernia market effective January 1, 2013 and in the breast reconstruction market effective January 1, 2015. As a result, we recognized additional deferred revenue as other revenues during the three months ended March 31, 2013 and 2015, of $1.7 million and $1.5 million, respectively, due to the acceleration of deferred revenue recognition relating to Davol relinquishing its exclusive distribution rights in the hernia and the breast reconstruction markets. The remaining balance is being recognized as other revenues on a straight-line basis over the remaining term of the amended contract.

Our long-term debt obligations and availability of credit as of December 31, 2018 are as follows:

	Outstanding Balance			Available Credit
	(In thousands)
Revolving credit facility	$	50,000		$	43,713
Less unamortized debt issuance costs		(927	)
Total	$	49,073

On June 5, 2018, we, along with our wholly-owned subsidiary, Pioneer, entered into a Credit Agreement (the “2018 Credit Agreement”), as borrowers, with JP Morgan Chase Bank, N.A., as lender (together with the various financial institutions as in the future may become parties thereto, the “Lenders”) and as administrative agent for the Lenders. The 2018 Credit Agreement provides for a revolving credit facility in the aggregate principal amount of up to $100 million (the “Facility”). We will be able to, at our option, and subject to customary conditions and Lender approval, request an increase to the Facility by up to $50 million.

The Facility is guaranteed by our domestic subsidiaries and is secured by: (i) substantially all of the assets of the Company and Pioneer; (ii) substantially all of the assets of each of our domestic subsidiaries; and (iii) 65% of the stock of our foreign subsidiaries.

The initial borrowings made under the 2018 Credit Agreement will bear interest at a rate per annum equal to the monthly REVLIBOR30 Rate (“CBFR Loans”) plus an adjustable margin of up to 2.00% (the “CBFR Rate”). We may elect to convert the interest rate for the initial borrowings to a rate per annum equal to the adjusted LIBO Rate (“Eurodollar Loans”) plus an adjustable margin of up to 2.00% (the “Eurodollar Rate”). For all subsequent borrowings, we may elect to apply either the CBFR Rate or Eurodollar Rate. The applicable margin is subject to adjustment after the end of each fiscal quarter, based upon our average quarterly availability. The maturity date of the Facility is June 5, 2023. We may make optional prepayments on the Facility without penalty. We paid certain customary closing costs and bank fees upon entering into the 2018 Credit Agreement.

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We are subject to certain affirmative and negative covenants, including (but not limited to), covenants limiting our ability to: incur certain additional indebtedness; create certain liens; enter into sale and leaseback transactions; and consolidate or merge with, or convey, transfer or lease all or substantially all of its assets to another person. We are required to maintain a minimum fixed charge coverage ratio of at least 1.00:1.00 (the “Required Minimum Fixed Charge Coverage Ratio”) during either of the following periods (each, a “Covenant Testing Period”): (i) a period beginning on a date that a default has occurred and is continuing under the loan documents entered into by us in conjunction with the Credit Agreement (the “Loan Documents”) through the first date on which no default has occurred and is continuing; or (ii) a period beginning on a date that availability under the Facility is less than the specified covenant testing threshold and continuing until availability under the Facility is greater than or equal to the specified covenant testing threshold for thirty (30) consecutive days. The Required Minimum Fixed Charge Coverage Ratio is measured on the last day of each calendar month during the Covenant Testing Period (each a “Calculation Date”), and is calculated using the minimum fixed charge coverage ratio for the twelve (12) consecutive months ended on each Calculation Date. The amounts owed under the 2018 Credit Agreement may be accelerated upon the occurrence of certain events of default customary for facilities for similarly rated borrowers.

At December 31, 2018, the interest rate for the Facility was 4.10%. As of December 31, 2018, there was $50.0 million outstanding on the Facility and total remaining available credit on the Facility was $43.7 million. Our ability to access our Facility is subject to and can be limited by our compliance with our financial and other covenants. We were in compliance with the financial covenants related to our revolving credit facility as of December 31, 2018.

The following table provides a summary of our long-term debt obligations, operating lease obligations and other significant obligations as of December 31, 2018.

	Contractual Obligations Due by Period
	Total		Less than 1 Year		1-3 Years		4-5 Years		More than 5 Years
	(In thousands)
Long-term debt obligations	$	49,073	$	—	$	—	$	49,073	$	—
Operating lease obligations		3,666		1,374		1,082		328		882
Purchase obligations (1)		18,392		18,392		—		—		—
Total	$	71,131	$	19,766	$	1,082	$	49,401	$	882

(1) These amounts consist of contractual obligations for capital expenditures and open purchase orders.

Impact of Inflation

Inflation generally affects us by increasing our cost of labor, equipment and processing tools and supplies. We do not believe that the relatively low rates of inflation experienced in the United States since the time we began operations have had any material effect on our business.

Item 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK.

We are subject to market risk from exposure to changes in interest rates based upon our financing, investing and cash management activities.

We are exposed to interest rate risk in the United States and Germany. Changes in interest rates affect interest income earned on cash and cash equivalents and interest expense on revolving credit arrangements. We have not entered into derivative transactions related to cash and cash equivalents or debt. Our borrowings under our credit facility expose us to market risk related to changes in interest rates. As of December 31, 2018, our outstanding floating rate indebtedness totaled $49.1 million. The primary base interest rate is LIBOR. Assuming the outstanding balance on our floating rate indebtedness remains constant over a year, a 100 basis point increase in the interest rate would decrease net income and cash flow by approximately $0.3 million. Other outstanding debt consists of fixed rate instruments. We do not expect changes in interest rates to have a material adverse effect on our income or our cash flows in 2018. However, we can give no assurance that interest rates will not significantly change in the future.

The value of the U.S. dollar compared to the Euro affects our financial results. Changes in exchange rates may positively or negatively affect revenues, gross margins, operating expenses and net income. Our international operations currently transact business primarily in the Euro. Assets and liabilities of foreign subsidiaries are translated at the period end exchange rate while revenues and expenses are translated at the average exchange rate for the period. Intercompany transactions are translated from the Euro to the U.S. dollar. Based on December 31, 2018 outstanding intercompany balances, a 1% change in currency rates would have had ade-minimis impact on our results of operations.

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We do not expect changes in exchange rates to have a material adverse effect on our income or our cash flows in 2019. However, we can give no assurance that exchange rates will not significantly change in the future.

Item 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA.

Our consolidated financial statements and supplementary data required in this item are set forth on the pages indicated in Item 15(a)(1).

Item 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE.

Not applicable.

Item 9A. CONTROLS AND PROCEDURES.(restated)

Background

As described in the Explanatory Note to this Form10-K/A, and as previously disclosed in RTI’s Current Report on Form8-K filed with the SEC on March 16, 2020, the Audit Committee of the Board of Directors (the “Board”) of RTI Surgical Holdings, Inc. (the “Company” or “RTI”), with the assistance of independent legal and forensic accounting advisors, conducted an internal investigation of matters relating to the Company’s revenue recognition practices for certain contractual arrangements, primarily with OEM customers, including the accounting treatment, financial reporting and internal controls related to such arrangements (the “Investigation”). The Investigative procedures also examined transactions to understand the practices related to manual journal entries for accrual and reserve accounts. The Investigation was precipitated by an investigation by the SEC initially related to the periods 2014 through 2016. The SEC investigation is ongoing, and the Company is cooperating with the SEC in its investigation.

On April 7, 2020, the Audit Committee of the Board of Directors concluded that the Company would restate its previously issued audited financial statements for the years ended December 31, 2018, 2017 and 2016, and selected financial data for the years ended December 31, 2015 and 2014, and the unaudited financial statements for the quarterly periods within these years commencing with the first quarter of 2016.

Based on the results of the Investigation, the Company has concluded that revenue for certain invoices should have been recognized at a later date than when originally recognized. In response to binding purchase orders from certain OEM customers, goods were shipped and received by the customers before requested delivery dates and agreed-upon delivery windows. In many instances the OEM customers requested or approved the early shipments, but the Company has determined that on other occasions the goods were delivered early without obtaining the customers’ affirmative approval. Some of those unapproved shipments were shipped by employees in order to generate additional revenue and resulted in shipments being pulled from a future quarter into an earlier quarter. In addition, the Company has concluded that in July 2017 an adjustment was improperly made to a product return provision in the Direct Division. The revenue for those shipments is being restated, as well as for other orders that shipped earlier than the purchase order due date in the system for which the Company could not locate evidence that the OEM customers had requested or approved the shipments. In addition, the Company has concluded that in the periods from 2015 through the fourth quarter of 2018, certain adjustments were improperly or erroneously made via manual journal entries to accrual and reserve accounts, including a July 2017 adjustment to a product return provision in the Direct Division, among others. Accordingly, the Company has restated its financial statements to correct these errors.

The remedial measures undertaken, or to be undertaken, by our management team and their advisors, and the conclusions that our management team reached in its evaluations of the effectiveness of our disclosure controls and procedures and internal control over financial reporting as of December 31, 2018, are described below in detail.

In addition, other errors that were unrelated to the SEC investigation were identified that were corrected in the restated financial statements.

Evaluation of Disclosure Controls and Procedures

In connection with the preparation of this Amendment, under the supervision and with the participation of, our current management, including our CEO and CFO, we evaluated the effectiveness of our disclosure controls and procedures as defined in Rules13a-15(e) and15d-15(e) under the Exchange Act, as amended,

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as of December 31, 2018. Based on this evaluation of our disclosure controls and procedures, our CEO and CFO have concluded that our disclosure controls and procedures were not effective as of December 31, 2018 because of certain material weaknesses in our internal control over financial reporting, as further described below.

Notwithstanding the conclusion by our CEO and CFO that our disclosure controls and procedures as of December 31, 2018 were not effective, and notwithstanding the material weaknesses in our internal control over financial reporting described below, management believes that the consolidated financial statements and related financial information included in this Annual Report on Form10-K/A fairly present in all material respects our financial condition, results of operations and cash flows as of the dates presented, and for the periods ended on such dates, in conformity with accounting principles generally accepted in the United States of America (“U.S. GAAP”).

Management’s Report on Internal Control over Financial Reporting (as revised)

Management is responsible for establishing and maintaining adequate internal control over financial reporting as defined in Rules13a-15(f) and15d-15(f) under the Exchange Act and based upon the criteria established in Internal Control-Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (“the COSO framework”). Our internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of our financial reporting and the preparation of our financial statements for external purposes in accordance with U.S. GAAP.

An effective internal control system, no matter how well designed, has inherent limitations, including the possibility of human error or overriding of controls, and therefore can provide only reasonable assurance with respect to reliable financial reporting. Because of its inherent limitations, our internal control over financial reporting may not prevent or detect all misstatements, including the possibility of human error, the circumvention or overriding of controls, or fraud. Effective internal controls can provide only reasonable assurance with respect to the preparation and fair presentation of financial statements.

Management, including our CEO and CFO, assessed the Company’s internal control over financial reporting and concluded that they were not effective as of December 31, 2018 (“Evaluation Date”). In making this assessment, management used the criteria set forth by the COSO framework. Based on evaluation under these criteria, management determined, based upon the existence of the material weaknesses described below, that we did not maintain effective internal control over financial reporting as of the Evaluation Date.

A material weakness is a deficiency, or a combination of deficiencies, in internal control over financial reporting, such that a reasonable possibility exists that a material misstatement of our annual or interim financial statements would not be prevented or detected on a timely basis.

Control Environment

We did not maintain an effective control environment based on the criteria established in the COSO framework. We have identified deficiencies in the principles associated with the control environment of the COSO framework. Specifically, these control deficiencies constitute material weaknesses, either individually or in the aggregate, relating to: (i) appropriate organizational structure, reporting lines, and authority and responsibilities in pursuit of objectives; (ii) our commitment to attract, develop, and retain competent individuals; and (iii) holding individuals accountable for their internal control related responsibilities. As disclosed in the consolidated financial statements included in Item 8. “Financial Statements and Supplementary Data”, these material weaknesses contributed to accounting errors.

We did not maintain an effective control environment to enable the identification and mitigation of risks of accounting errors based on the contributing factors to material weakness in the control environment, including:

• The tone from executive management was insufficient to create the proper environment for effective internal control over financial reporting and to ensure that: (i) there were adequate processes for oversight; (ii) there was accountability for the performance of internal control over financial reporting responsibilities; (iii) personnel with key positions had the appropriate training to carry out their responsibilities; and (iv) corrective activities were appropriately applied, prioritized, and implemented in a timely manner.

54

• The Company did not maintain a sufficient complement of management, accounting, financial reporting, sales, and operations personnel who had appropriate levels of knowledge, experience, and training in accounting and internal control matters commensurate with the nature, growth and complexity of our business. The lack of sufficient appropriately skilled and trained personnel contributed to our failure to: (i) adequately identify potential risks; (ii) include in the scope of our internal controls framework certain systems relevant to financial reporting and the preparation of our consolidated financial statements; (iii) design and implement certain risk-mitigating internal controls; and (iv) consistently operate certain of our internal controls.

• Our oversight processes and procedures that guide individuals in applying internal control over financial reporting were not adequate in preventing or detecting material accounting errors, or omissions due to inadequate information and, in certain instances, management override of internal controls, including recording improper accounting entries, recording accounting entries that were inconsistent with information known by management at the time, and not communicating relevant information within our organization.

• The control environment material weaknesses contributed to other material weaknesses within our system of internal controls over financial reporting in the following COSO Components.

Risk Assessment

We did not design and implement an effective risk assessment based on the criteria established in the COSO framework. We have identified deficiencies in the principles associated with the risk assessment component of the COSO framework. Specifically, these control deficiencies constitute material weaknesses, either individually or in the aggregate, relating to: (i) identifying, assessing, and communicating appropriate objectives; (ii) identifying and analyzing risks to achieve these objectives; (iii) considering the potential for fraud in assessing risks; and (iv) identifying and assessing changes in the business that could impact our system of internal controls.

A contributing factor to material weaknesses in the risk assessment included the fact that the Company’s formal SOX compliance program did not have sufficient scope and focus on the key financial reporting risks.

Control Activities

We did not design and implement effective control activities based on the criteria established in the COSO framework. We have identified deficiencies in the principles associated with the control activities component of the COSO framework. Specifically, these control deficiencies constitute material weaknesses, either individually or in the aggregate, relating to: (i) selecting and developing control activities and information technology that contribute to the mitigation of risks and support achievement of objectives; and (ii) deploying control activities through policies that establish what is expected and procedures that put policies into action.

The following were contributing factors to the material weaknesses in control activities:

• Lack of consistently established controls to segregate the function of recording and approving journal entries, as well as preparation and review of reconciliations with appropriate supporting documentation.

• Inconsistent documentation and retention of support for the review and approval of manual journal entries.

• Inconsistent documentation and application of accounting policies and/or practice for the sales returns reserve and certain accrual accounts.

• Insufficient resources within the accounting and financial reporting department to review the accounting fornon-recurring complex purchase accounting, contingent payment and segment reporting transactions.

• Insufficient design and operation of certain control activities to respond to potential risk of material misstatements in the area of revenue recognition. In particular: (i) no controls requiring customer approval for early shipments outside of agreed upon shipping terms; (ii) no controls requiring centralized retention of proof of customer approval or request related to shipping outside of agreed terms; (iii) no formal process for offering or approving discounts to customers for early shipments; and (iv) no formal controls to ensure appropriatecut-off of direct revenue to customers at period ends in line with shipping terms.

Deficiencies in control activities contributed to material accounting errors identified and corrected in 2018 and prior years. These design deficiencies in control activities contributed to the potential for there to have been material accounting errors in substantially all financial statement account balances and disclosures.

55

Information and Communication

We did not consistently generate or provide adequate quality supporting information and communication based on the criteria established in the COSO framework. We have identified deficiencies in the principles associated with the information and communication component of the COSO framework. Specifically, these control deficiencies constitute material weaknesses, either individually or in the aggregate, relating to: (i) obtaining, generating, and using relevant quality information to support the function of internal control; and (ii) communicating accurate information internally and externally, including providing information pursuant to objectives, responsibilities, and functions of internal control.

The following were contributing factors to the material weaknesses in information and communication:

• We did not have an effective process in place to identify and maintain the information required to support the functioning of internal controls over financial reporting.

• We did not obtain and retain consistent and relevant quality documentation or analysis to provide underlying support and calculations related to reserve and accrual adjustments when recorded.

• We did not communicate required information and expectations to enable personnel to perform internal control responsibilities (e.g., communications programs to reinforce controls).

Monitoring Activities

We did not design and implement effective monitoring activities based on the criteria established in the COSO framework. We have identified deficiencies in the principles associated with the monitoring component of the COSO framework. Specifically, these control deficiencies constitute material weaknesses, either individually or in the aggregate, relating to: (i) selecting, developing, and performing ongoing evaluation to ascertain whether the components of internal controls are present and functioning; and (ii) evaluating and communicating internal control deficiencies in a timely manner to those parties responsible for taking corrective action.

The following were contributing factors to the material weaknesses in monitoring activities:

• Management did not properly evaluate the function and operating effectiveness of certain internal control activities, limiting its ability to detect and communicate deficiencies.

• Internal audit activities were insufficient to keep pace with the size and complexity of our business structure and organization, which limited our ability to effectively monitor internal controls.

• The Company’s formal SOX compliance program did not have sufficient scope and focus on the key financial reporting risks.

• The Company did not have sufficient talent and resources with sufficient expertise to evaluate the risks and controls.

• The Company did not have sufficient oversight and supervision of the internal control evaluation process.

Deloitte & Touche LLP, our independent registered public accounting firm, has audited the effectiveness of our internal control over financial reporting as of December 31, 2018. Deloitte & Touche LLP’s opinion, as stated in their report which appears in Item 8 of this Form10-K/A, is consistent with management’s report on internal control over financial reporting as set forth above.

Remediation Plan and Status

Our management is committed to remediating identified control deficiencies (including both those that rise to the level of a material weakness and those that do not), fostering continuous improvement in our internal controls and enhancing our overall internal controls environment. Our management believes that these remediation actions, along with additional actions, when fully implemented, will remediate the material weaknesses we have identified and strengthen our internal control over financial reporting. Our remediation efforts are ongoing and additional remediation initiatives may be necessary. We will continue our initiatives to implement and document the strengthening of existing, and development of new policies, procedures, and internal controls.

56

Remediation of the identified material weaknesses and strengthening of our internal control environment will require a substantial effort throughout 2020 and beyond, as necessary. We will test the ongoing operating effectiveness of the new and existing controls in future periods. The material weaknesses cannot be considered completely remediated until the applicable controls have operated for a sufficient period of time and management has concluded, through testing, that these controls are operating effectively.

While we believe the steps taken to date and those planned for implementation will remediate the effectiveness of our internal control over financial reporting, we have not completed all remediation efforts identified herein. Accordingly, as we continue to monitor the effectiveness of our internal control over financial reporting in the areas affected by the material weaknesses described above, we have and will continue to perform additional procedures prescribed by management, including the use of manual mitigating control procedures and employing any additional tools and resources deemed necessary, to ensure that our consolidated financial statements are fairly stated in all material respects. The following remediation activities highlight our commitment to remediating our identified material weaknesses:

Control Environment

We have undertaken steps to address material weaknesses in the control environment. The control environment, which is the responsibility of management, sets the tone of the organization, influences the control consciousness of its people, and is the foundation for all other components of internal control over financial reporting. Our Audit Committee and management have emphasized and continue to emphasize the importance of internal control over financial reporting, as well as the integrity of our financial statements.

Our management has taken and will continue to take steps to ensure that previously-identified control deficiencies will be remediated through the implementation of uniform accounting and internal control policies and procedures with the proper oversight to promote compliance with U.S. GAAP and regulatory requirements. Some changes which we have already implemented include:

• A comprehensive disciplinary plan is in the process of being implemented for all employees found to have engaged in misconduct, including termination, removal of the individuals from certain accounting and finance functions, written warnings, and appropriate training depending on the severity of the misconduct;

• The Company engaged an experienced compliance professional and increased its compliance staffing to upgrade and enhance the Company’s compliance program in accordance with the Federal Sentencing Guidelines;

• The Company has enhanced its compliance policies and procedures, including training on the ability and means of anonymous reporting. It requires employees to annually certify their understanding of the Code of Conduct, which the compliance officer and legal department update and review on a periodic, as needed, basis along with the Employee Handbook;

• Periodic compliance reports are made to the Nominating and Governance Committee of the Board of Directors; and

• We have separated the functional leadership of the Financial Planning and Analysis (FP&A) function from the accounting function.

To date, we have realigned financial reporting team members and removed certain members from accounting and finance functions. We are in the process of evaluating current staffing levels and have engaged external resources with significant experience to provide additional capacity, functional capabilities, and cross-training. Management will continue to evaluate and hire additional resources within our accounting and financial reporting and internal controls functions with the appropriate experience, certifications, education, and training for key financial reporting and accounting positions. Management believes these enhancements, when implemented, will reduce the risk of a material misstatement resulting from the material weaknesses described above. However, it will require a period of time to determine the operating effectiveness of any newly implemented internal controls over financial reporting.

57

Risk Assessment

We have begun implementing a process to reevaluate and revise our Sarbanes-Oxley compliance program (our “SOX Program”), and make improvements to our SOX Program governance, risk assessment processes, testing methodologies and corrective action mechanisms. We will continue to enhance our risk assessment procedures and conduct a comprehensive risk assessment, which includes the risk of fraud, to enhance overall compliance. The results of this effort are expected to enable us to effectively identify, develop, and implement controls and procedures to address risks.

Control Activities

We have begun the process of redesigning existing, and implementing new, internal control activities. We also plan to establish policies and procedures to enhance corporate oversight over our process-level controls and structures to ensure that there is appropriate assignment of authority, responsibility, and accountability to enable the remediation of our material weaknesses.

We are in the process ofre-assessing and revising our processes to strengthen controls over the review and approval of journal entries and account reconciliations. Specifically, we are reinforcing existing policies and procedures regarding obtaining adequate supporting documentation in connection with the review and approval of journal entries and account reconciliations in order to ensure the validity, accuracy, and completeness of recorded amounts and enhancing staffing and systems controls to improve segregation of duties related to journal entry processing and completion and review of account reconciliations. Additionally, we are formalizing documentation of accounting and reporting policies and procedures and will conductin-depth training on such policies and procedures. We will implement system-level controls to ensure an individual that has entered a journal entry cannot approve the entry for posting to the general ledger to ensure enhanced segregation of duties.

We will hire additional resources and/or augment our resources with third-party advisors within the accounting and financial reporting department with sufficient experience and knowledge to review the accounting fornon-recurring complex accounting transactions.

We plan to implement new and strengthen current internal controls, over revenue recognition including: (i) controls requiring customer approval for early shipments outside of agreed upon shipping terms; (ii) retention of proof of customer approval or request related to shipping outside of agreed terms; (iii) a formal process for offering or approving discounts to customers for early shipments; and (iv) formal controls to ensure appropriatecut-off of direct revenue to customers at period ends in line with shipping terms.

We are also enhancing our review and approval process to incorporate segregation of duties to reduce risk of manual overrides.

Information and Communication

In our effort to remediate our material weaknesses, we are formalizing procedures and strengthening existing controls to ensure the appropriate review and approval of journal entries, including retention of appropriate documentation to support journal entries. Additionally, we are strengthening existing controls regarding the documentation and retention of underlying support for our adjustments relating to reserve and accrual calculations to ensure consistent application of accounting policies and procedures. The following are contributing factors to remediate the material weaknesses:

• Creating an effective process to identify and maintain the information required to support the functioning of internal controls over financial reporting.

• Instituting policies and processes relating to the maintenance of sufficient capture, use and storage of the information used to evaluate financial reporting controls.

• Establishing and reinforcing communications protocols including required information and expectations to enable personnel to perform internal control responsibilities (e.g., formal training programs and corporate communications).

58

Monitoring Activities

In addition to the items noted above, as we continue to evaluate, remediate, and improve our internal control over financial reporting, executive management may elect to implement additional measures to address control deficiencies or may determine that the remediation efforts described above require modification. Executive management, in consultation with and at the direction of our Audit Committee, will continue to assess the control environment and the above-mentioned efforts to remediate the underlying causes of the identified material weaknesses, including through the following:

• We will increase internal audit, finance, and accounting staffing levels and expertise. In 2018 we outsourced our internal audit function. We will increase the scope of the Internal Audit engagement to assist with the ongoing evaluation of our Enterprise Risk Management process, detail testing of newly implemented controls and other activities related to monitoring our overall remediation efforts.

• We have instituted cross-functional business reviews of financial results andnon-routine transactions.

• We are also developing effective communication plans relating to, among other things, identification of deficiencies and recommendations for corrective actions. These plans will apply to all parties responsible for remediation.

Changes in Internal Controls

The material weaknesses identified above were discovered after December 31, 2018, and all of these material weaknesses existed as of December 31, 2018. The remediation activities identified above and any material changes to our internal control over financial reporting also occurred after December 31, 2018. Therefore, there were no changes in our internal control over financial reporting (as defined in Rules13a-15(f) and15d-15(f) under the Exchange Act) during the year ended December 31, 2018 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

The Company’s independent registered public accounting firm has issued a report on the Company’s internal control over financial reporting. This report appears on page 65.

Item 9B. OTHER INFORMATION.

Not applicable

59

PART III

Item 10. DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE.

The information required by Item 10 relating to our directors, executive officers and corporate governance is incorporated by reference to our definitive proxy statement for 2019 Annual Meeting of Stockholders filed with the SEC on March 25, 2019.

Information relating to our Code of Ethics that applies to our senior financial professionals is available on our website http://www.rtix.com/investors/corporate-governance. Any amendments to, or waiver of, any provision of the Code of Ethics will be posted on our website.

Item 11. EXECUTIVE COMPENSATION.

The information required by Item 11 relating to executive compensation is incorporated by reference to our definitive proxy statement for 2019 Annual Meeting of Stockholders filed with the SEC on March 25, 2019.

Item 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS.

The information required by Item 12 relating to security ownership of certain beneficial owners and management, securities authorized for issuance under equity compensation plans and related stockholders matters is incorporated by reference to our definitive proxy statement for 2019 Annual Meeting of Stockholders filed with the SEC on March 25, 2019.

Item 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE.

The information required by Item 13 relating to certain relationships and related transactions, and director independence is incorporated by reference to our definitive proxy statement for 2019 Annual Meeting of Stockholders filed with the SEC on March 25, 2019.

Item 14. PRINCIPAL ACCOUNTING FEES AND SERVICES.

The information required by Item 14 relating to principal accounting fees and services is incorporated by reference to our definitive proxy statement for 2019 Annual Meeting of Stockholders filed with the SEC on March 25, 2019.

60

PART IV

Item 15. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES.

(a)                  (1)     Financial Statements:

See “Index to Consolidated Financial Statements and Financial Statement Schedule” on page 64, the Independent Registered Public Accounting Firm’s Report on page 65 and the Consolidated Financial Statements on pages 69 to 72, all of which are incorporated herein by reference.

(2) Financial Statement Schedule:

The following Financial Statement Schedule is filed as part of this Report:

Schedule II, Valuation and Qualifying Accounts for the years ended December 31, 2018, 2017 and 2016 is included in the Consolidated Financial Statements of RTI Surgical, Inc. on page 135. All other financial statement schedules are omitted because they are inapplicable, not required or the information is indicated elsewhere in the consolidated financial statements or the notes thereto.

(3)    Exhibits:

Exhibit No.	Description	Incorporated by Reference
		Form	File No.		Date Filed
2.1	Master Transaction Agreement, dated as of November  1, 2018, by and among RTI Surgical, Inc., PS Spine Holdco, LLC, Bears Holding Sub, Inc., and Bears Merger Sub, Inc.	8-K		000-31271		11/7/2018
3.1	Amended and Restated Certificate of Incorporation of RTI Surgical, Inc.	10-K (2015)		000-31271		3/7/2016
3.2	Amended and Restated Bylaws of RTI Surgical, Inc.	8-K		000-31271		7/11/2016
3.3	Amended and Restated Certificate of Designation of Series A Convertible Preferred Stock of RTI Surgical, Inc., dated August 1, 2018.	8-K		000-31271		8/2/2018
4.3	Specimen Stock Certificate.	S-1/A		333-35756		8/2/2000
10.1‡	Omnibus Stock Option Plan.	S-1		333-35756		4/27/2000
10.2‡	RTI Regeneration Technologies, Inc. 2004 Equity Incentive Plan.	10-Q (Q2 2004)		000-31271		8/6/2004
10.3‡	Form of Nonqualified Stock Option Grant Agreement.	10-K (2004)		000-31271		3/16/2005
10.4‡	Form of Incentive Stock Option Grant Agreement.	10-K (2004)		000-31271		3/16/2005
10.5‡	RTI Surgical, Inc. 2010 Equity Incentive Plan.	DEF 14A		000-31271		3/19/2010
10.6†	Exclusive Distribution Agreement between RTI Biologics, Inc. and Zimmer Dental Inc., dated as of September  3, 2010 and effective as of September 30, 2010.	10-Q (Q3 2010)		000-31271		11/8/2010
10.7†	First Amendment to Exclusive Distribution Agreement, dated September  27, 2011, by and between RTI Biologics, Inc., and Zimmer Dental Inc.	10-K (2018)		000-31271		3/19/2010
10.8†	Letter Agreement, dated December 30, 2013, by and between RTI Surgical, Inc. and Zimmer Dental, Inc.	10-K (2018)		000-31271		3/5/2019
10.9†	Second Amendment to Exclusive Distribution Agreement, dated January  15, 2014, by and between RTI Biologics, Inc. and Zimmer Dental Inc.	10-K (2018)		000-31271		3/5/2019
10.10†	Third Amendment to Exclusive Distribution Agreement, dated December  31, 2013, by and between RTI Biologics, Inc. and Zimmer Dental Inc.	10-K (2018)		000-31271		3/5/2019
10.11†	Fifth Amendment to Exclusive Distribution Agreement, dated October 11, 2017, by and between RTI Surgical, Inc., and Biomet 3i, LLC.	10-K (2018)		000-31271		3/5/2019
10.12†	Sixth Amendment to Exclusive Distribution Agreement, dated September  21, 2018, by and between RTI Surgical, Inc., and Biomet 3i, LLC.	10-K (2018)		000-31271		3/5/2019
10.13†	Side Letter Agreement, dated March 29, 2016, by and between RTI Surgical, Inc. and Biomet 3i, LLC.	10-K (2018)		000-31271		3/5/2019
10.14†	First Amendment to Side Letter Agreement, dated November 7, 2016, by and between RTI Surgical, Inc. and Biomet 3i, LLC	10-K (2018)		000-31271		3/5/2019
10.15†	Letter Agreement for Sharing Certain Expenses, dated January 31, 2017, by and between RTI Surgical, Inc., and Zimmer Dental, Inc.	10-K (2018)		000-31271		3/5/2019
10.16†	Letter Agreement re: Marketing Approval, dated June 28, 2018, by and between RTI Surgical, Inc. and Biomet 3i, LLC.	10-K (2018)		000-31271		3/5/2019

61

Exhibit No.	Description	Incorporated by Reference
		Form	File No.		Date Filed
10.17‡	RTI Biologics, Inc. Executive Nonqualified Excess Plan.	10-K (2011)		000-31271		2/15/2012
10.18	Investment Agreement, dated as of June 12, 2013, by and between RTI Biologics, Inc. and WSHP Biologics Holdings, LLC.	8-K		000-31271		6/13/2013
10.19	Amendment to Investment Agreement, dated as of July 15, 2013 by and among RTI Biologics, Inc. and WSHP Biologics Holdings, LLC.	8-K		000-31271		7/19/2013
10.20	Investor Rights Agreement dated as of July 16, 2013 by and between RTI Surgical, Inc. and WSHP Biologics Holdings, LLC.	8-K		000-31271		7/19/2013
10.21‡	Form of Water Street Director Indemnification Agreement.	8-K		000-31271		7/19/2013
10.22‡	Form of Director Indemnification Agreement.	8-K		000-31271		7/19/2013
10.23†	2013 Distribution Agreement, effective as of October 12, 2013, between RTI Surgical, Inc. and Medtronic Sofamor Danek USA, Inc.	10-K (2013)		000-31271		3/10/2014
10.24��	RTI Surgical, Inc. 2015 Incentive Compensation Plan.	S-8		333-203861		5/5/2015
10.25‡	Form of Incentive Stock Option Agreement (under 2015 Plan).	S-8		333-203861		5/5/2015
10.26‡	Form of Nonqualified Stock Option Agreement (under 2015 Plan).	S-8		333-203861		5/5/2015
10.27‡	Form of Restricted Stock Agreement (under 2015 Plan).	S-8		333-203861		5/5/2015
10.28	Form of Executive Indemnification Agreement.	10-Q (Q1 2016)		000-31271		5/4/2016
10.29	Settlement Agreement, effective March  14, 2017, by and among the Company and Krensavage Partners, LP and certain entities and persons associated with Krensavage Partners, LP.	8-K		000-31271		3/15/2017
10.30‡†	Employment Agreement, dated January 26, 2017, by and between Camille Farhat and RTI Surgical, Inc.	10-Q (Q1 2017)		000-31271		5/3/2017
10.31‡†	Stand Alone Restricted Stock Award Agreement #1, dated January 26, 2017, by and between Camille Farhat and RTI Surgical, Inc.	10-Q (Q1 2017)		000-31271		5/3/2017
10.32‡	Stand Alone Restricted Stock Award Agreement #2, dated January 26, 2017, by and between Camille Farhat and RTI Surgical, Inc.	10-Q (Q1 2017)		000-31271		5/3/2017
10.33‡	Stand Alone Stock Option Agreement, dated January 26, 2017, by and between Camille Farhat and RTI Surgical, Inc.	10-Q (Q1 2017)		000-31271		5/3/2017
10.34†	Asset Purchase Agreement dated as of August 3, 2017 by and between RTI Surgical, Inc. and A&E Advanced Closure Systems, LLC.	10-Q (Q3 2017)		000-31271		11/3/2017
10.35†	Contract Manufacturing Agreement dated as of August  3, 2017 by and between RTI Surgical, Inc. and A&E Advanced Closure Systems, LLC.	10-Q (Q3 2017)		000-31271		11/3/2017
10.36†	First Amendment to Contract Manufacturing Agreement, dated November  20, 2018, by and between RTI Surgical, Inc., and A&E Advanced Closure Systems, LLC.	10-K (2018)		000-31271		3/5/2019
10.37	Third Amended and Restated Loan Agreement, dated as of August  3, 2017 by and among RTI Surgical, Inc., TD Bank, N.A. and First Tennessee Bank National Association, as Lenders (together with the various financial institutions as in the future may become parties thereto, the Lenders), and TD Bank, N.A., as administrative agent for the Lenders.	10-Q (Q3 2017)		000-31271		11/3/2017
10.38‡	Employment Agreement, dated September 18, 2017, by and between Jonathon M. Singer and RTI Surgical, Inc.	10-Q (Q3 2017)		000-31271		11/3/2017
10.39‡	Restricted Stock Award Agreement, dated September 18, 2017, by and between Jonathon M. Singer and RTI Surgical, Inc.	10-Q (Q3 2017)		000-31271		11/3/2017
10.40‡	Stock Option Agreement, dated September 18, 2017, by and between Jonathon M. Singer and RTI Surgical, Inc.	10-Q (Q3 2017)		000-31271		11/3/2017
10.41‡	First Amendment to the Stand Alone Restricted Stock Award Agreement #1, dated December  4, 2017, by and between Camille Farhat and RTI Surgical, Inc.	10-K (2018)		000-31271		3/2/2018
10.42‡	RTI Surgical, Inc. 2018 Incentive Compensation Plan	10-Q (Q1 2018)		000-31271		5/4/2018
10.43‡	Form of Incentive Stock Option Agreement (under 2018 Plan)	10-Q (Q1 2018)		000-31271		5/4/2018
10.44‡	Form of Nonqualified Stock Option Agreement (under 2018 Plan)	10-Q (Q1 2018)		000-31271		5/4/2018
10.45‡	Form of Restricted Stock Agreement (under 2018 Plan)	10-Q (Q1 2018)		000-31271		5/4/2018
10.46	Credit Agreement, dated as of June  5, 2018 by and among RTI Surgical, Inc., and JP Morgan Chase Bank, N.A., as lender (together with the various financial institutions as in the future may become parties thereto, the “Lenders”) and as administrative agent for the Lenders.	10-Q (Q2 2018)		000-31271		8/3/2018
10.47	Support Agreement, dated as of November  1, 2018, by and among RTI Surgical, Inc., Bears Holding Sub, Inc., HealthCor Paradigm Blocker Company Two, Inc., and HealthCor AIV, L.P.	8-K		000-31271		11/7/2018
10.48	Support Agreement, dated as of November  1, 2018, by and among RTI Surgical, Inc., Bears Holding Sub, Inc., Trevi Health Ventures LP, and Trevi AIV, LP.	8-K		000-31271		11/7/2018

62

Exhibit No.	Description	Incorporated by Reference
		Form	File No.		Date Filed
10.49	Support Agreement, dated as of November  1, 2018, by and among RTI Surgical, Inc., Bears Holding Sub, Inc., Viscogliosi Brothers, LLC, and VB Acquisition Co. I LLC.	8-K		000-31271		11/7/2018
10.50	Support Agreement, dated as of November 1, 2018, by and between WSHP Biologics Holdings, LLC, and PS Spine HoldCo, LLC.	8-K		000-31271		11/7/2018
10.51	Support Agreement, dated as of November 1, 2018, by and between Camille I. Farhat and PS Spine HoldCo, LLC.	8-K		000-31271		11/7/2018
10.52	Support Agreement, dated as of November 1, 2018, by and between Jonathon M. Singer and PS Spine HoldCo, LLC.	8-K		000-31271		11/7/2018
10.53	Commitment Letter, dated November 1, 2018, by and between RTI Surgical, Inc., and Ares Capital Management, LLC.	8-K		000-31271		11/7/2018
21.1*	Subsidiaries of the Registrant
23.1*	Consent of Independent Registered Public Accounting Firm.
31.1*	Certification of Principal Executive Officer pursuant to Exchange Act Rules13a-14(a)/15d-14(a) as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2*	Certification of Principal Financial Officer pursuant to Exchange Act Rules13a-14(a)/15d-14(a) as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1*	Certification of Principal Executive Officer pursuant to 18 U.S.C. Section 1350as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2*	Certification of Principal Financial Officer pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS* XBRL Instance Document 101.SCH* XBRL Taxonomy Extension Schema Document 101.CAL*XBRL Taxonomy Extension Calculation Linkbase Document 101.DEF*XBRL Taxonomy Extension Definition Linkbase Document 101.LAB*XBRL Taxonomy Extension Label Linkbase Document 101.PRE*XBRL Taxonomy Extension Presentation Linkbase Document

^†  Confidential treatment requested as to certain portions, which portions were omitted and filed separately with the Commission.

^‡  Indicates a management contract or any compensatory plan, contract, or arrangement.

^*  Filed herewith.

Item 16. FORM10-K/A SUMMARY

Not applicable.

63

INDEX TO CONSOLIDATED FINANCIAL STATEMENTS

AND FINANCIAL STATEMENT SCHEDULE

	Page
Consolidated Financial Statements of RTI Surgical Holdings, Inc. (f/k/a RTI Surgical, Inc.) and Subsidiaries
Report of Independent Registered Public Accounting Firm	65
Consolidated Balance Sheets—December 31, 2018 and 2017	69
Consolidated Statements of Comprehensive (Loss) Income —Years Ended December 31, 2018, 2017 and 2016	70
Consolidated Statements of Stockholders’ Equity—Years Ended December 31, 2018, 2017 and 2016	71
Consolidated Statements of Cash Flows—Years Ended December  31, 2018, 2017 and 2016	72
Notes to Consolidated Financial Statements—Years Ended December  31, 2018, 2017 and 2016	73-134
Schedule II – Valuation and Qualifying Accounts	135

64

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors and Stockholders of

RTI Surgical Holdings, Inc.

Deerfield, Illinois

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of RTI Surgical Holdings, Inc. and subsidiaries (the “Company”) as of December 31, 2018 and 2017, the related consolidated statements of comprehensive (loss) gain, stockholders’ equity, and cash flows, for each of the three years in the period ended December 31, 2018, and the related notes and the schedule listed in the Index at Item 15 (collectively referred to as the “financial statements”). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2018 and 2017, and the results of operations and its cash flows for each of the three years in the period ended December 31, 2018, in conformity with accounting principles generally accepted in the United States of America.

We have also audited, in accordance with the standards of Public Company Accounting Oversight Board (PCAOB), the Company’s internal control over financial reporting as of December 31, 2018, based on criteria established inInternal Control—Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission and our report dated March 5, 2019 (June 8, 2020 as to the effects of the material weaknesses described in Management’s Report on Internal Control over Financial Reporting (as revised)), which report expressed an adverse opinion on the Company’s internal control over financial reporting because of material weaknesses.

Restatement of the Financial Statements

As discussed in Note 27 to the financial statements, the accompanying financial statements as of December 31, 2018 and 2017 and for each of the three years in the period ended December 31, 2018, have been restated to correct misstatements.

Change in Accounting Principle

As discussed in Note 3 to the financial statements, effective January 1, 2018, the Company adopted Financial Accounting Standards Board Accounting Standards Codification 606,Revenues from Contracts with Customers, utilizing the modified retrospective method.

Basis for Opinion

These financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on the Company’s financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

/s/ DELOITTE & TOUCHE LLP

Tampa, Florida

March 5, 2019 (June 8, 2020 as to the effects of the restatement discussed in Note 27)

We have served as the Company’s auditor since 1998.

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REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors and Stockholders of

RTI Surgical Holdings, Inc.

Deerfield, Illinois

Opinion on Internal Control over Financial Reporting

We have audited the internal control over financial reporting of RTI Surgical Holdings, Inc. and subsidiaries (the “Company”) as of December 31, 2018, based on criteria established in Internal Control — Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). In our opinion, because of the effect of the material weaknesses identified below on the achievement of the objectives of the control criteria, the Company has not maintained effective internal control over financial reporting as of December 31, 2018, based on criteria established in Internal Control — Integrated Framework (2013) issued by COSO.

We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the consolidated financial statements as of and for the year ended December 31, 2018, of the Company and our report dated March 5, 2019 (June 8, 2020 as to the effects of the restatement discussed in Note 27), expressed an unqualified opinion on those financial statements and financial statement schedules, and included explanatory paragraphs regarding the restatement of the Company’s financial statements and the adoption of Financial Accounting Standards Board Accounting Standards Codification 606,Revenues from Contracts with Customers, utilizing the modified retrospective method.

Basis for Opinion

The Company’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying Management’s Report on Internal Control over Financial Reporting (as revised). Our responsibility is to express an opinion on the Company’s internal control over financial reporting based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, testing and evaluating the design and operating effectiveness of internal control based on the assessed risk, and performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

Definition and Limitations of Internal Control over Financial Reporting

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance

66

of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

Material Weaknesses

A material weakness is a deficiency, or a combination of deficiencies, in internal control over financial reporting, such that there is a reasonable possibility that a material misstatement of the company’s annual or interim financial statements will not be prevented or detected on a timely basis. The following material weaknesses have been identified and included in management’s assessment:

• The Company did not maintain an effective control environment based on the criteria established in the COSO framework and identified deficiencies in the principles associated with the control environment of the COSO framework. Specifically, control deficiencies constituted material weaknesses, either individually or in the aggregate, relating to: (i) appropriate organizational structure, reporting lines, and authority and responsibilities in pursuit of objectives, (ii) the Company’s commitment to attract, develop, and retain competent individuals, and (iii) holding individuals accountable for their internal control related responsibilities.

• The Company did not design and implement an effective risk assessment based on the criteria established in the COSO framework, and identified deficiencies in the principles associated with the risk assessment component of the COSO framework. Specifically, control deficiencies constituted material weaknesses, either individually or in the aggregate, relating to: (i) identifying, assessing, and communicating appropriate objectives, (ii) identifying and analyzing risks to achieve these objectives, (iii) considering the potential for fraud in assessing risks, and (iv) identifying and assessing changes in the business that could impact the Company’s system of internal controls.

• The Company did not design and implement effective control activities based on the criteria established in the COSO framework, and identified deficiencies in the principles associated with the control activities component of the COSO framework. Specifically, control deficiencies constituted material weaknesses, either individually or in the aggregate, relating to: (i) selecting and developing control activities and information technology that contribute to the mitigation of risks and support achievement of objectives and (ii) deploying control activities through policies that establish what is expected and procedures that put policies into action.

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• The Company did not consistently generate or provide adequate quality supporting information and communication based on the criteria established in the COSO framework, and identified deficiencies in the principles associated with the information and communication component of the COSO framework. Specifically, control deficiencies constituted material weaknesses, either individually or in the aggregate, relating to: (i) obtaining, generating, and using relevant quality information to support the function of internal control, and (ii) communicating accurate information internally and externally, including providing information pursuant to objectives, responsibilities, and functions of internal control.

• The Company did not design and implement effective monitoring activities based on the criteria established in the COSO framework, and identified deficiencies in the principles associated with the monitoring component of the COSO framework. Specifically, control deficiencies constituted material weaknesses, either individually or in the aggregate, relating to: (i) selecting, developing, and performing ongoing evaluation to ascertain whether the components of internal controls are present and functioning, and (ii) evaluating and communicating internal control deficiencies in a timely manner to those parties responsible for taking corrective action.

These material weaknesses were considered in determining the nature, timing, and extent of audit tests applied in our audit of the financial statements of the Company, and this report does not affect our report on such financial statements.

/s/ DELOITTE & TOUCHE LLP

Tampa, Florida

March 5, 2019 (June 8, 2020, as to the effects of the material weaknesses described in Management’s Report on Internal Control over Financial Reporting (as revised))

68

RTI SURGICAL HOLDINGS, INC. (F/K/A RTI SURGICAL, INC.) AND SUBSIDIARIES

Consolidated Balance Sheets

(In thousands, except share data)

	December 31,
	2018			2017
	(as restated)			(as restated)
Assets
Current Assets:
Cash and cash equivalents	$	10,949		$	22,381
Accounts receivable��less allowances of $2,660 at December 31, 2018 and $1,731 at December 31, 2017		48,096			35,198
Inventories—net		107,655			111,944
Prepaid and other current assets		8,413			16,626
Total current assets		175,113			186,149
Property, plant and equipment—net		77,954			79,564
Deferred tax assets —net		17,760			9,455
Goodwill		59,798			46,242
Other intangible assets—net		25,557			22,574
Other assets—net		4,003			1,781
Total assets	$	360,185		$	345,765
Liabilities and Stockholders’ Equity
Current Liabilities:
Accounts payable	$	26,219		$	18,182
Accrued expenses		25,865			25,759
Current portion of deferred revenue		4,908			4,868
Current portion of short and long-term obligations		—			4,268
Total current liabilities		56,992			53,077
Long-term obligations—less current portion		49,073			42,076
Acquisition contingencies		4,986			—
Other long-term liabilities		633			1,431
Deferred revenue		744			3,741
Total liabilities		112,428			100,325
Commitments and contingencies (Note 22)
Preferred stock Series A, $.001 par value: 5,000,000 shares authorized; 50,000 shares issued and outstanding		66,226			63,923
Stockholders’ equity:
Common stock, $.001 par value: 150,000,000 shares authorized; 63,469,185 and 62,694,441 shares issued and outstanding, respectively		64			63
Additional paid-in capital		433,143			429,459
Accumulated other comprehensive loss		(7,270	)		(6,329	)
Accumulated deficit		(239,537	)		(237,286	)
Less treasury stock, 1,221,180 and 1,114,071 shares, respectively, at cost		(4,869	)		(4,390	)
Total stockholders’ equity		181,531			181,517
Total liabilities and stockholders’ equity	$	360,185		$	345,765

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RTI SURGICAL HOLDINGS, INC. (F/K/A RTI SURGICAL, INC.) AND SUBSIDIARIES

Consolidated Statements of Comprehensive (Loss) Income

(In thousands, except share and per share data)

	Year Ended December 31,
	2018			2017			2016
	(as restated)			(as restated)			(as restated)		��
Revenues	$	280,362		$	280,349		$	275,984
Costs of processing and distribution		140,719			137,277			142,657
Gross profit		139,643			143,072			133,327
Expenses:
Marketing, general and administrative		119,724			115,009			116,666
Research and development		14,410			13,315			16,297
Severance and restructuring costs		2,808			12,016			2,146
Strategic review costs		—			—			1,150
Executive transition costs		—			2,818			4,404
Contested proxy expenses		—			—			2,680
Asset impairment and abandonments		5,070			4,034			5,241
Acquisition and integration expenses		4,943			630			—
Cardiothoracic closure business divestiture contingency consideration		(3,000	)		—			—
Gain on cardiothoracic closure business divestiture		—			(34,090	)		—
Total operating expenses		143,955			113,732			148,584
Operating (loss) income		(4,312	)		29,340			(15,257	)
Other (expense) income:
Interest expense		(2,771	)		(3,180	)		(1,655	)
Interest income		35			8			8
Loss on extinguishment of debt		(309	)		—			—
Foreign exchange (loss) gain		(34	)		87			(129	)
Total other expense—net		(3,079	)		(3,085	)		(1,776	)
(Loss) income before income tax benefit (provision)		(7,391	)		26,255			(17,033	)
Income tax benefit (provision)		4,268			(19,349	)		3,228
Net (loss) income		(3,123	)		6,906			(13,805	)
Convertible preferred dividend		(2,120	)		(3,723	)		(3,508	)
Net (loss) income applicable to common shares	$	(5,243	)	$	3,183		$	(17,313	)
Other comprehensive (loss) income:
Unrealized foreign currency translation loss		(941	)		1,987			(1,274	)
Comprehensive (loss) income	$	(6,184	)	$	5,170		$	(18,587	)
Net (loss) income per common share—basic	$	(0.08	)	$	0.05		$	(0.30	)
Net (loss) income per common share—diluted	$	(0.08	)	$	0.05		$	(0.30	)
Weighted average shares outstanding—basic		63,521,703			59,684,289			58,236,745
Weighted average shares outstanding—diluted		63,521,703			60,599,952			58,236,745

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RTI SURGICAL HOLDINGS, INC. (F/K/A RTI SURGICAL, INC.) AND SUBSIDIARIES

Consolidated Statements of Stockholders’ Equity

(In thousands)

	Common Stock		Additional Paid- In Capital			Accumulated Other Comprehensive Loss			Accumulated Deficit			Treasury Stock			Total
Balance, January 1, 2016 (restated)	$	58	$	417,725		$	(7,042	)	$	(230,387	)	$	(446	)	$	179,908
Net (loss)		—		—			—			(13,805	)		—			(13,805	)
Foreign currency translation adjustment		—		—			(1,274	)		—			—			(1,274	)
Exercise of common stock options		—		57			—			—			—			57
Stock-based compensation		—		3,590			—			—			—			3,590
Purchase of treasury stock		—		—			—			—			(470	)		(470	)
Amortization of preferred stock Series A issuance costs		—		(185	)		—			—			—			(185	)
Preferred stock Series A dividend		—		(3,508	)		—			—			—			(3,508	)
Change in income tax benefit from stock-based compensation		—		(251	)		—			—			—			(251	)
Balance, December 31, 2016 (restated)	$	58	$	417,428		$	(8,316	)	$	(244,192	)	$	(916	)	$	164,062
Net income		—		—			—			6,906			—			6,906
Foreign currency translation adjustment		—		—			1,987			—			—			1,987
Exercise of common stock options		5		9,176			—			—			—			9,181
Stock-based compensation		—		6,762			—			—			—			6,762
Purchase of treasury stock		—		—			—			—			(3,474	)		(3,474	)
Amortization of preferred stock Series A issuance costs		—		(184	)		—			—			—			(184	)
Preferred stock Series A dividend		—		(3,723	)		—			—			—			(3,723	)
Balance, December 31, 2017 (restated)	$	63	$	429,459		$	(6,329	)	$	(237,286	)	$	(4,390	)	$	181,517
Accumulated effect of adoption of the revenue recognition standard		—		—			—			872			—			872
Net (loss)		—		—			—			(3,123	)		—			(3,123	)
Foreign currency translation adjustment		—		—			(941	)		—			—			(941	)
Exercise of common stock options		1		1,242			—			—			—			1,243
Stock-based compensation		—		4,745			—			—			—			4,745
Purchase of treasury stock		—		—			—			—			(479	)		(479	)
Amortization of preferred stock Series A issuance costs		—		(183	)		—			—			—			(183	)
Preferred stock Series A dividend		—		(2,120	)		—			—			—			(2,120	)
Balance, December 31, 2018 (restated)	$	64	$	433,143		$	(7,270	)	$	(239,537	)	$	(4,869	)	$	181,531

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RTI SURGICAL HOLDINGS, INC. (F/K/A RTI SURGICAL, INC.) AND SUBSIDIARIES

Consolidated Statements of Cash Flows

(In thousands)

	Year Ended December 31,
	2018			2017			2016
	(as restated)			(as restated)			(as restated)
Cash flows from operating activities:
Net (loss) income	$	(3,123	)	$	6,906		$	(13,805	)
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization expense		14,579			14,233			16,528
Provision for bad debts and product returns		1,721			946			895
Provision for inventory write-downs		15,122			5,066			13,880
Amortization of deferred revenue		(4,958	)		(4,744	)		(4,867	)
Deferred income tax provision		(4,692	)		13,573			(3,492	)
Stock-based compensation		4,745			6,660			3,590
Asset impairment and abandonments		5,070			4,034			5,241
Cardiothoracic closure business divestiture contingency consideration		(3,000	)		(34,090	)		—
Other		1,330			2,392			603
Change in assets and liabilities:
Accounts receivable		(10,829	)		5,116			1,710
Inventories		(11,957	)		1,610			(13,228	)
Accounts payable		8,035			(12,936	)		4,549
Accrued expenses		(827	)		5,667			(5,722	)
Deferred revenue		2,000			2,000			2,000
Other operating assets and liabilities		4,036			(10,645	)		7,441
Net cash provided by operating activities		17,252			5,788			15,323
Cash flows from investing activities:
Purchases of property, plant and equipment		(11,042	)		(12,301	)		(15,337	)
Patent and acquired intangible asset costs		(3,695	)		(2,266	)		(2,615	)
Proceeds from sale of building		—			1,818			—
Acquisition of Zyga Technology		(21,000	)		—			—
Cardiothoracic closure business divestiture		3,000			51,000			—
Net cash (used in) provided by investing activities		(32,737	)		38,251			(17,952	)
Cash flows from financing activities:
Proceeds from exercise of common stock options		2,356			5,060			57
Proceeds from long-term obligations		74,425			6,000			17,000
Net (payments) proceeds from short-term obligations		—			—			(1,511	)
Payments on long-term obligations		(71,171	)		(43,000	)		(11,424	)
Payments for treasury stock		(478	)		(3,474	)		—
Other financing activities		(1,039	)		(317	)		(458	)
Net cash provided by (used in) financing activities		4,093			(35,731	)		3,664
Effect of exchange rate changes on cash and cash equivalents		(40	)		224			200
Net (decrease) increase in cash and cash equivalents		(11,432	)		8,532			1,235
Cash and cash equivalents, beginning of period		22,381			13,849			12,614
Cash and cash equivalents, end of period	$	10,949		$	22,381		$	13,849
Supplemental cash flow disclosure:
Cash paid for interest	$	3,047		$	3,023		$	1,224
Cash paid for income taxes, net of refunds		(6,403	)		12,142			(238	)
Non-cash acquisition of property, plant and equipment		1,217			593			952
Receivable for executive stock option exercise		—			1,234			—
Stock-based compensation related to sale of CT business		—			102			—
Increase in accrual for dividend payable		2,120			3,723			3,508

72

RTI SURGICAL HOLDINGS, INC. (F/K/A RTI SURGICAL, INC.) AND SUBSIDIARIES

Notes to Consolidated Financial Statements

Years Ended December 31, 2018, 2017 and 2016

(In thousands, except share and per share data)

1. Business

RTI Surgical Holdings, Inc. (f/k/a RTI Surgical, Inc.) (the “Company”), and its subsidiaries recover and process human and animal tissue and manufacture metal and synthetic implants and instruments. The processing transforms the tissue into either conventional or precision machined allograft implants (human) or xenograft implants (animal), while our manufacturing facilities produce metal and synthetic implants. The implants are used for orthopedic and other surgical applications to promote the natural healing of human bone and other human tissue. These implants are distributed domestically and internationally, for use in reconstruction and fracture repair.

2. Summary of Significant Accounting Policies

Restatement of Financial Statements— The Company has restated herein its audited consolidated financial statements for the years ended December 31, 2018, 2017, and 2016.

As previously announced, the Audit Committee of the Board of Directors (the “Board”) of the Company, with the assistance of independent legal and forensic accounting advisors has conducted an internal investigation of matters relating to the Company’s revenue recognition practices for certain contractual arrangements, primarily with OEM customers, including the accounting treatment, financial reporting and internal controls related to such arrangements (the “Investigation”). The Investigation was precipitated by an ongoing investigation by the SEC initially related to the periods 2014 through 2016. The SEC Investigation is ongoing, and the Company is cooperating with the SEC in its investigation.

Based on the results of the internal investigation, the Company has restated its financial statements to correct errors. See Notes 27 and 28 for additional information. The corrections contained in the financial statements, which we refer to herein collectively as the “Restatement,” were prepared following the internal investigation by the Audit Committee of the Company’s Board of Directors.

Principles of Consolidation—The consolidated financial statements include the accounts of the Company and its wholly owned subsidiaries, Pioneer Surgical Technology, Inc. (“Pioneer”), Tutogen Medical, Inc. (“TMI”), Zyga Technology, Inc. (“Zyga”), RTI Surgical, Inc. – Cardiovascular (inactive), Biological Recovery Group Inc. (inactive), and RTI Services, Inc. (inactive). The consolidated financial statements also include RTI Donor Services, Inc. (“RTIDS”), which is a controlled entity. The consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”). All intercompany balances and transactions have been eliminated in consolidation.

RTIDS is a taxablenot-for-profit entity organized and controlled by the Company. RTIDS is the corporate entity that is responsible for procuring tissue for the Company. Expenses incurred by RTIDS to procure tissue are passed through to the Company. RTIDS has no significant assets or liabilities except for its intercompany accounts receivable and accounts payable to tissue recovery agencies. The Company pays all expenses of RTIDS.

Use of Estimates—The preparation of consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Estimates and assumptions relating to inventories, receivables, long-lived assets and litigation are made at the end of each financial reporting period by management. Actual results could differ from those estimates.

Foreign Currency Translation—The functional currency of the Company’s foreign subsidiaries is the Euro. Assets and liabilities of the foreign subsidiaries are translated at the period end exchange rate while revenues and expenses are translated at the average exchange rate for the period. The resulting translation adjustments, representing unrealized, noncash gains and losses are recorded and presented as a component of comprehensive (loss) income. Gains and losses resulting from transactions of the Company and its subsidiaries, which are made in currencies different from their own, are included in income or loss as they occur and are included in other expense in the consolidated statements of comprehensive (loss) income.

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Fair Value of Financial Instruments—The estimated fair value of financial instruments disclosed in the consolidated financial statements has been determined by using available market information and appropriate valuation methodologies. The carrying value of all current assets and current liabilities approximates fair value because of their short-term nature. The carrying value of the long-term debt obligations approximates fair value. The carrying value of capital lease obligations approximates their fair value, based on current market prices.

Cash and Cash Equivalents— The Company considers all funds in banks and short-term highly liquid investments with an original maturity of three months or less to be cash and cash equivalents. Cash equivalents comprise overnight repurchase agreements. Cash balances are held at a few financial institutions and usually exceed insurable amounts. The Company mitigates this risk by depositing its uninsured cash in major well capitalized financial institutions. At December 31, 2018 and 2017, the Company had no cash equivalents.

Accounts Receivable Allowances—The Company maintains allowances for doubtful accounts based on the Company’s review and assessment of payment history and its estimate of the ability of each customer to make payments on amounts invoiced. If the financial condition of any of its customers were to deteriorate, additional allowances might be required. From time to time the Company must adjust its estimates. Changes in estimates of the collection risk related to accounts receivable can result in decreases and increases to current period net income.

Inventories—Inventories are stated at the lower of cost or market, with cost determined using thefirst-in,first-out method. Inventory write-downs for unprocessed donor tissue are recorded based on the estimated amount of inventory that will not pass the quality control process based on historical data, and the amount of inventory that is not readily distributable or is unusable. In addition, provisions for inventory write-downs are estimated for tissue in process inventory that is not readily distributable or is unusable. Any implantable donor tissue deemed to be obsolete is included in the write-down at the time the determination is made.Non-tissue inventory is evaluated for obsolescence and excess quantities by analyzing inventory levels, historical loss trends, expected product lives, product at risk of expiration, sales levels by product and projections of future sales demand.

Surgical Instruments—Surgical instruments which are included in property, plant and equipment are handheld devices used by surgeons during implant procedures. The Company retains title to the surgical instruments. Depreciation for surgical instruments is included in selling and marketing expenses in the accompanying Consolidated Statements of Comprehensive (loss) income.

Property, Plant and Equipment—Property, plant and equipment are stated at cost less accumulated depreciation. The cost of equipment under capital leases and leasehold improvements is amortized on the straight-line method over the shorter of the lease term or the estimated useful life of the asset. Depreciation is computed on the straight-line method over the following estimated useful lives of the assets:

Buildings	25 to 40 years
Building improvements and leasehold improvements	8 to 40 years
Processing equipment	7 to 10 years
Office equipment, furniture and fixtures	5 to 7 years
Computer hardware and software	3 to 7 years
Surgical instruments	3 to 5 years

Software Costs—Included in property, plant and equipment are costs related to purchased software that are capitalized.

Debt Issuance Costs—Debt issuance costs include costs incurred to obtain financing and are amortized using the straight-line method, which approximates the effective interest method, over the life of the related debt. Debt issuance costs related to a recognized debt liability are presented in the balance sheet as a direct deduction from the carrying amount of that debt liability.

Long-Lived Assets—The Company reviews its property, plant and equipment for impairment whenever events or changes in circumstances indicate the carrying value of an asset may not be recoverable. Recoverability is measured by a comparison of the carrying amount to the net undiscounted cash flows expected to be generated by the asset. An impairment loss would be recorded for the excess of net carrying value over the fair value of the asset impaired. The fair value is estimated based on expected discounted future cash flows. The results of impairment tests are subject to management’s estimates and assumptions of projected cash flows and operating results. Changes in assumptions or market conditions could result in a change in estimated future cash flows and the likelihood of materially different reported results.

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As further discussed in Note 23, during the second quarter of 2018, we recorded an impairment of $4,515 related to our map3^® asset group. During the fourth quarter of 2017, the Company ceased certain long-term projects resulting in asset abandonments of long-term assets at its U.S. facility of $3,539.

During the fourth quarter of 2016, the Company concluded a strategic review of its business lines and operations, and updated its financial projections. As a result, the Company’s financial projections related to its hernia business line were adjusted downward. This business line is a significant driver of revenue for the Tutogen Germany asset group. As a result, during the fourth quarter of 2016, the Company completed an asset group impairment test and determined the carrying value was not recoverable as of December 31, 2016. The Company used a market approach to determine the fair value of the Tutogen Germany asset group’s long-lived assets and recognized impairment charges related to identified intangibles and property and equipment of $5,435.

Goodwill— Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“ASC”) 350,Goodwill and Other Intangible Assets(“FASB ASC 350”), requires companies to test goodwill for impairment on an annual basis at the reporting unit level (or an interim basis if an event occurs that might reduce the fair value of a reporting unit below its carrying value). The Company has one reporting unit and the annual impairment test is performed at each calendaryear-end unless indicators of impairment are present and require more frequent testing. The Company did not have any other identifiable intangible assets with indefinite useful lives as of December 31, 2018 and 2017.

Goodwill is tested for impairment annually by comparing the fair value of the reporting unit to its carrying amount, including goodwill. We evaluate our goodwill for impairment by utilizing an income approach and a market approach. The conclusion from these two approaches are generally weighted equally and then adjusted to incorporate a control premium or acquisition premium that reflects the additional amount a buyer is willing to pay for elements of control and for a premium that reflects the buyer’s perception of its ability to add value through synergies.

In general, the income approach employs a discounted cash flow model that considers: 1) assumptions that marketplace participants would use in their estimates of fair value, including the cash flow period, terminal values based on a terminal growth rate and the discount rate; 2) current period actual results; and 3) projected results for future periods that have been prepared and approved by senior management of the Company. The forecasted cash flows do not include synergies that a marketplace participant would be expecting to achieve.

The market approach employs market multiples from guideline public companies operating in our industry. Estimates of fair value are derived by applying multiples based on revenue and earnings before interest, taxes, depreciation and amortization (“EBITDA”) adjusted for size and performance metrics relative to peer companies. A control premium was included in determining the fair value under this approach.

Both approaches used in the analysis have a degree of uncertainty. Potential events or changes in circumstances which could impact the key assumptions used in our goodwill impairment evaluation are as follows:

• Change in peer group or performance of peer group companies

• Change in the Company’s markets and estimates of future operating performance

• Change in the Company’s estimated market cost of capital

• Change in implied control premiums related to acquisitions in the medical device industry

Goodwill represents the excess of purchase price over fair value of tangible net assets of acquired businesses at the acquisition date, after amounts allocated to other identifiable intangible assets. Factors that contribute to the recognition of goodwill include securing synergies that are specific to our business, not available to other market participants, and are expected to increase revenues and profits; acquisition of a talented workforce; cost savings opportunities; the strategic benefit of expanding our presence in core and adjacent markets; and diversifying our product portfolio.

Other Intangible Assets—Other intangible assets, which constitutes finite lives assets, generally consist of patents, acquired exclusivity rights, licensing rights, distribution agreements, and procurement contracts. Patents are amortized on the straight-line method over the shorter of the remaining protection period or estimated useful lives of between 8 and 16 years. The acquired exclusivity rights are being amortized over eight years, the remaining term of the amended distribution agreement. Licensing rights, distribution agreements, and procurement contracts are amortized over estimated useful lives of between 5 to 25 years.

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Other intangible assets are tested for impairment whenever events or circumstances indicate that the carrying amount of an asset or asset group may not be recoverable. The recoverability test is described in the Company’s accounting policy for long-lived assets set forth above.

Revenue Recognition—The Company recognizes revenue upon shipping, or receipt by the Company’s customers of its products and implants, depending on the Company’s distribution agreements with its customers or distributors. The Company’s performance obligations consist mainly of transferring control of implants identified in the contracts. The Company typically transfers control at a point in time upon shipment or delivery of the implants for direct sales, or upon implantation for sales of consigned inventory. The customer is able to direct the use of, and obtain substantially all of the benefits from, the implant at the time the implant is shipped, delivered, or implanted, respectively based on the terms of the contract. For performance obligations related to the Company’s contracts with exclusively built inventory clauses, the Company typically satisfies its performance obligations evenly over the contract term as inventory is built. Such exclusively manufactured inventory has no alternative use and the Company has an enforceable right to payment for performance to date. The Company uses the input method to measure the manufacturing activities completed to date, which depicts the progress of the Company’s performance obligation of transferring control of exclusively built inventory. For the contracts with upfront and annual exclusivity fees, revenue related to those fees is recognized over the contract term following a consistent method of measuring progress towards satisfaction of the performance obligation. The Company uses the method and measure of progress that best depicts the transfer of control to the customer of the goods or services to date relative to the remaining goods or services promised under the contract.

The Company permits returns of implants in accordance with the terms of contractual agreements with customers if the implant is returned in a timely manner, in unopened packaging, and from the normal channels of distribution. Allowances for returns are provided based upon analysis of the Company’s historical patterns of returns matched against the revenues from which they originated.

The Company records estimated implant returns, discounts, rebates and other distribution incentives as a reduction of revenue in the same period revenue is recognized. Estimates of implant returns are recorded for anticipated implant returns based on historical distributions and returns information. Estimates of discounts, rebates and other distribution incentives are recorded based on contractual terms, historical experience and trend analysis.

Other revenues consist of service processing, tissue recovery fees, biomedical laboratory fees, recognition of previously deferred revenues, shipping fees, distribution of reproductions of our allografts to distributors for demonstration purposes and restocking fees which is included in revenues.    

Stock-Based Compensation Plans—The Company accounts for its stock-based compensation plans in accordance with Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“ASC”) 718,Accounting for Stock Compensation (“FASB ASC 718”). FASB ASC 718 requires the measurement and recognition of compensation expense for all stock-based awards made to employees and directors, including employee stock options and restricted stock. Under the provisions of FASB ASC 718, stock-based compensation cost is measured at the grant date, based on the calculated fair value of the award, and is recognized as an expense on a straight-line basis over the requisite service period of the entire award (generally the vesting period of the award). The Company uses the Black-Scholes model to value its stock option grants under FASB ASC 718 and expenses the related compensation cost using the straight-line method over the vesting period. The fair value of stock options is determined on the grant date using assumptions for the expected term, expected volatility, dividend yield, and the risk free interest rate. The term assumption is primarily based on the contractual vesting term of the option and historic data related to exercise and post-vesting cancellation history experienced by the Company. The Company uses the simplified method for estimating the expected term used to determine the fair value of options under FASB ASC 718. The expected term is determined separately for options issued to the Company’s directors and to employees. The Company’s anticipated volatility level is primarily based on the historic volatility of the Company’s common stock. The Company’s model includes a zero dividend yield assumption, as the Company has not historically paid nor does it anticipate paying dividends on its common stock. The risk free interest rate approximates recent U.S. Treasury note auction results with a similar life to that of the option. The Company’s model does not include a discount for post-vesting restrictions, as the Company has not issued awards with such restrictions. The period expense is then determined based on the valuation of the options, and at that time an estimated forfeiture rate is used to reduce the expense recorded. The Company’s estimate ofpre-vesting forfeitures is primarily based on the recent historical experience of the Company, and is adjusted to reflect actual forfeitures as the options vest. The Company uses a Monte Carlo simulation model to estimate the fair value of restricted stock awards that contain a market condition.

Research and Development Costs—Research and development costs, including the cost of research and development conducted for others and the cost of contracted research and development, are expensed as incurred.

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Income Taxes—The Company uses the asset and liability method of accounting for income taxes. Deferred income taxes are recorded to reflect the tax consequences on future years for differences between the tax basis of assets and liabilities and their financial reporting amounts at eachyear-end based on enacted tax laws and statutory tax rates applicable to the periods in which the differences are expected to affect taxable income. Valuation allowances are established when necessary to reduce deferred tax assets to amounts which are more likely than not to be realized.

Treasury Stock— The Company may periodically repurchase shares of its common stock from employees for the satisfaction of their individual payroll tax withholding upon vesting of restricted stock awards in connection with the Company’s incentive plans. The Company’s repurchases of common stock are recorded at the stock price on the vesting date of the common stock. The Company repurchased 107,109, 745,122 and 138,597 shares of its common stock for $0.5 million, $3.5 million, and $0.4 million for the years ended December 31, 2018, 2017, and 2016, respectively.

Earnings Per Share—Basic earnings per share (“EPS”) is computed by dividing earnings attributable to common stockholders by the weighted-average number of common shares outstanding for the periods. Diluted EPS reflects the potential dilution of securities that could share in the earnings. A reconciliation of the number of common shares used in the calculation of basic and diluted EPS is presented below:

	Year Ended December 31,
	2018		2017		2016
Weighted average basic shares		63,521,703		59,684,289		58,236,745
Effect of dilutive securities:
Stock options		—		915,663		—
Weighted average diluted shares		63,521,703		60,599,952		58,236,745

Options to purchase 4,275,744 shares of common stock at prices ranging from $2.69 to $5.23 per share which were outstanding as of December 31, 2018, were not included in the computation of diluted EPS because dilutive shares are not factored into the calculation of EPS when a loss applicable to common shares is reported as they would be anti-dilutive.

Options to purchase 4,662,037 shares of common stock at prices ranging from $2.69 to $8.20 per share which were outstanding as of December 31, 2017, were included in the computation of diluted EPS because dilutive shares are factored into the calculation of EPS when income applicable to common shares is reported.

Options to purchase 5,764,607 shares of common stock at prices ranging from $2.69 to $9.57 per share which were outstanding as of December 31, 2016, were not included in the computation of diluted EPS because dilutive shares are not factored into the calculation of EPS when a loss applicable to common shares is reported as they would be anti-dilutive.

For the years ended December 31, 2018, 2017 and 2016, 50,000 shares of convertible preferred stock and accrued but unpaid dividends were anti-dilutive on an asif-converted basis and were not included in the computation of diluted net (loss) income per common share.

3. Recently Issued Accounting Standards.

Fair Value Measurement— In August 2018, the FASB issued Accounting Standards Update (“ASU”)2018-13,“Fair Value Measurement (Topic 820): Disclosure Framework — Changes to the Disclosure Requirements for Fair Value Measurement.” This ASU modifies the disclosure requirements on fair value measurements by removing, modifying, or adding certain disclosures. ASU2018-13 is effective for the Company beginning December 1, 2020 (with early adoption permitted). Certain disclosures in ASU2018-13 are required to be applied on a retrospective basis and others on a prospective basis. The Company is evaluating the effect that this ASU will have on its consolidated financial statements.

Earnings Per Share— In July 2017, the FASB issued ASU2017-11, “Earnings Per Share” (Topic 260), “Distinguishing Liabilities from Equity”(Topic 480), and“Derivative and Hedging”(Topic 815). The amendments in Part I of ASU2017-11 changes the classification analysis of certain equity-linked financial instruments (or embedded features) with down-round features. When determining whether certain financial instruments should be classified as liabilities or equity instruments, a down-round feature no longer precludes equity classification when assessing whether the instrument is indexed to an entity’s own stock. The amendments also clarify existing disclosure requirements for equity-classified instruments. As a result, a freestanding equity-linked financial instrument (or embedded conversion option) no longer would be accounted for as a

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derivative liability at fair value as a result of the existence of a down-round feature. For freestanding equity classified financial instruments, the amendments require entities that present EPS in accordance with Topic 260 to recognize the effect of the down-round feature when it is triggered. That effect is treated as a dividend and as a reduction of income available to common stockholders in basic EPS. Convertible instruments with embedded conversion options that have down-round features are now subject to the specialized guidance for contingent beneficial conversion features (in Subtopic470-20, Debt—Debt with Conversion and Other Options), including related EPS guidance (in Topic 260). The amendments in Part II of ASU2017-11re-characterize the indefinite deferral of certain provisions of Topic 480 that now are presented as pending content in the ASC, to a scope exception. Those amendments do not have an accounting effect. For public business entities, the amendments in Part I of ASU2017-11 are effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2018. Early adoption is permitted, including adoption in an interim period. If an entity early adopts the amendments in an interim period, any adjustments should be reflected as of the beginning of the fiscal year that includes that interim period. The amendments in Part I of ASU2017-11 should be applied either retrospectively to outstanding financial instruments with a down-round feature by means of a cumulative-effect adjustment to the statement of financial position as of the beginning of the first fiscal year and interim period(s) in which the pending content that links to this paragraph is effective or retrospectively to outstanding financial instruments with a down-round feature for each prior reporting period presented in accordance with the guidance on accounting changes in paragraphs250-10-45-5 through45-10. The amendments in Part II of ASU2017-11 do not require any transition guidance because those amendments do not have an accounting effect. The Company is evaluating the impact of adopting ASU2017-11 on its consolidated financial statements, however, does not expect the adoption of this standard to have a significant impact on its EPS calculations, as it does not have any free-standing equity based financial instruments with down-round provisions.

Compensation—Stock Compensation— In May 2017, the FASB issued ASU2017-09,“Compensation—Stock Compensation” (Topic 718): Scope of Modification Accounting. ASU2017-09 provides guidance on determining which changes to the terms and conditions of share-based payment awards require an entity to apply modification accounting under Topic 718. For public business entities, this ASU is effective for annual periods, including interim periods within those annual periods, beginning after December 15, 2017. The Company adopted ASU2017-09 on January 1, 2018 and it did not have an impact on its consolidated financial statements.

Other Income—Gains and Losses from the Derecognition of Nonfinancial Assets— In February 2017, the FASB issued ASU2017-05,“Other Income-Gains and Losses from the Derecognition of Nonfinancial Assets” (Subtopic610-20): Clarifying the Scope of Asset Derecognition Guidance and Accounting for Partial Sales of Nonfinancial Assets. ASU2017-05 requires all entities to derecognize a business or nonprofit activity in accordance with Topic 810, and requires that all entities derecognize an equity method investment in accordance with Topic 860. The amendments in ASU2017-05 eliminate the scope exceptions, and simplifies GAAP. ASU2017-05 is effective for fiscal years beginning after December 15, 2017, including interim reporting periods within that reporting period. Public entities may apply the guidance earlier but only as of annual reporting periods beginning after December 15, 2016, including interim reporting periods within that reporting period. The Company adopted ASU2017-05 on January 1, 2018 and it did not have an impact on its consolidated financial statements.

Business Combinations – Clarifying the Definition of a Business— In January 2017, FASB issued ASUNo. 2017-01, “Business Combinations – Clarifying the Definition of a Business” (Topic 805). ASU2017-01 provides a framework to use in determining when a set of assets and activities is a business. ASU2017-01 provides more consistency in applying the business combination guidance, reduces the costs of application, and makes the definition of a business more operable. ASU2017-01 is effective for interim and annual periods within those annual periods beginning after December 15, 2017. The Company adopted ASU2017-01 on January 1, 2018 and it did not have an impact on its consolidated financial statements.

Leases— In February 2016, the FASB issued ASU2016-02,Leases (Topic 842), which supersedes existing guidance on accounting for leases in“Leases (Topic 840).” ASU2016-02 establishes aright-of-use (ROU) model that requires a lessee to recognize a ROU asset and lease liability on the balance sheet for all leases with a term longer than 12 months. Leases will be classified as finance or operating, with classification affecting the pattern and classification of expense recognition in the income statement. The standard is effective on January 1, 2019, with early adoption permitted. We adopted the new standard on January 1, 2019 and use the effective date as our date of initial application. In July 2018, the FASB issued an update that provided an additional transition option that allows companies to continue applying the guidance under the lease standard in effect at that time in the comparative periods presented in the consolidated financial statements. Companies that elect this option would record a cumulative-effect adjustment to the opening balance of retained earnings on the date of adoption. We elected this optional transition method. We also elected the “package of practical expedients”, which permits us not to reassess under the new standard our prior conclusions about lease identification, lease classification and initial direct costs. We continue to evaluate other practical expedients available under the standard.

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We continue to finalize our calculations, including our discount rate assumptions, related to ASU2016-02. We are also continuing to establish new processes and internal controls that will be required to comply with the new lease accounting and disclosure requirements set by ASU2016-02. We expect the impact of the standard adoption to increase our assets and liabilities within our consolidated balance sheet. These increases will result from the recognition of our existing ROU and liabilities required by ASU2016-02.

Revenue from Contracts with Customers— On January 1, 2018, the Company adopted a new accounting standard issued by the FASB on revenue recognition using the modified retrospective method. This new accounting standard outlines a single comprehensive model to use in accounting for revenue arising from contracts with customers. This standard supersedes existing revenue recognition requirements and eliminates most industry-specific guidance from GAAP. The core principle of the new accounting standard is to recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. In addition, the adoption of this new accounting standard resulted in increased disclosure, including qualitative and quantitative disclosures about the nature, amount, timing and uncertainty of revenue and cash flows arising from contracts with customers. The new accounting standard was applied to all contracts, apart from contracts for which all or substantially all revenue was recognized before January 1, 2018. Additionally, the Company elected to account for shipping and handling activities as a fulfillment cost rather than a separate performance obligation.

Adoption Impact

The Company identified three contracts which previously resulted in revenue recognition occurring at the time of shipment; however, under the new revenue recognition standard, the Company is required to recognize revenue over time. The assessment of our January 1, 2018, consolidated balance sheet under ASC Topic 606 resulted in a cumulative-effect adjustment to opening retained earnings, unbilled accounts receivable and costs incurred for inventory.

The effects of the adoption under ASC Topic 606 are outlined in the following table:

	Year Ended
	December 31, 2017			Impact			January 1, 2018
	(as restated)			(as reported)			(as restated)
Accounts receivable	$	35,198		$	3,243		$	38,441
Inventories—net		111,944			(995	)		110,949
Accrued expenses		—			1,110			1,110
Deferred tax assets		9,455			(266	)		9,189
Accumulated deficit		(237,287	)		872			(236,415	)

The impact of adoption of Topic 606 to the Company’s consolidated balance sheets and statements of comprehensive (loss) income for the year ended December 31, 2018, was as follows:

	Year Ended
	December 31, 2018
				Excluding Impact
	As Restated			of Topic 606
				(as restated)
Accounts receivable	$	48,096		$	41,243
Inventories—net		107,655			111,353
Accrued expenses		25,865			25,348
Deferred tax assets		17,760			17,185
Accumulated deficit		(239,537	)		(242,751	)

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	Year Ended
	December 31, 2018
				Excluding Impact
	As Restated			of Topic 606
				(as restated)
Total revenues	$	280,362		$	276,943
Cost of processing and distribution		140,719			138,815
Income tax benefit		4,268			4,744
Net income (loss) applicable to common shares		(5,243	)		(6,282	)

Disaggregation of revenue

The Company operates in one reportable segment composed of four lines of business. Effective January 1, 2018, the reporting of the Company’s lines of business are composed of four franchises or lines of business: spine; sports; OEM and international. The following table presents revenues from these four franchises for the year ended December 31, 2018:

	Year Ended
	December 31, 2018
	(as restated)
Revenues:
Spine	$	79,812
Sports		54,560
OEM		120,024
International		25,966
Total revenues from contracts with customers	$	280,362

The following table presents revenues recognized at a point in time and over time for the year ended December 31, 2018:

	Year Ended
	December 31, 2018
	(as restated)
Revenue recognized at a point in time	$	239,619
Revenue recognized over time		40,743
Total revenues from contracts with customers	$	280,362

Performance Obligations

The Company’s performance obligations consist mainly of transferring control of implants identified in the contracts.

Some of the Company’s contracts offer assurance-type warranties in connection with the sale of a product to a customer. Assurance-type warranties provide a customer with assurance that the related product will function as the parties intended because it complies with agreed-upon specifications. Such warranties do not represent a separate performance obligation and are not material to the consolidated financial statements.

When Performance Obligations Are Satisfied

The Company typically transfers control at a point in time upon shipment or delivery of the implants for direct sales, or upon implantation for sales of consigned inventory. The customer is able to direct the use of, and obtain substantially all of the benefits from, the implant at the time the implant is shipped, delivered, or implanted, respectively based on the terms of the contract.

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For performance obligations related to the aforementioned three contracts with exclusively built inventory clauses, the Company typically satisfies its performance obligations evenly over the contract term as inventory is built. Such exclusively manufactured inventory has no alternative use and the Company has an enforceable right to payment for performance to date. The Company uses the input method to measure the manufacturing activities completed to date, which depicts the progress of the Company’s performance obligation of transferring control of exclusively built inventory.

For the contracts with upfront and annual exclusivity fees, revenue related to those fees is recognized over the contract term following a consistent method of measuring progress towards satisfaction of the performance obligation. The Company uses the method and measure of progress that best depicts the transfer of control to the customer of the goods or services to date relative to the remaining goods or services promised under the contract.

Significant Payment Terms

The contract with the customer states the final terms of the sale, including the description, quantity, and price of each implant distributed. Payment for OEM contracts is typically due in full within 30 days of delivery or the start of the contract term. For the remaining lines of business, payment terms are typically due in full within 30 to 60 days of delivery. The Company performs a review of each specific customer’s credit worthiness and ability to pay prior to acceptance as a customer. Further, the Company performs periodic reviews of its customers’ creditworthiness prospectively. Since the customer agrees to a stated price in the contract that does not vary over the contract, the majority of contracts do not contain variable consideration.

Nature of Goods and Services

The Company distributes biologic, metal and synthetic implants. In some instances, the Company also enters into contracts with customers for exclusively manufactured inventory based on customer specifications.

Returns

In the normal course of business, the Company accepts product returns. The amount of consideration the Company ultimately receives varies depending upon the return terms that the Company may offer, which are accounted for as variable consideration when estimating the amount of revenue to recognize. The Company establishes provisions for estimated returns based on historical experience. The restated amount recorded on the Company’s balance sheets for product return allowance was $708 and $795 at December 31, 2018 and 2017, respectively. Liabilities for return allowances are included in “Accrued expenses”.

Critical Accounting Estimates

Estimates are used to determine the amount of variable consideration in contracts, and the measure of progress for contracts where revenue is recognized over time. The Company reviews and updates these estimates regularly. Our contracts generally do not include multiple performance obligations, and accordingly do not generally require estimates of the standalone selling price for each performance obligation.

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Contract Asset and Liability

The opening and closing balances of the Company’s accounts receivable, contract asset and current and long-term contract liability are as follows:

			Contract			Contract
	Accounts		Liability			Liability
	Receivable		(Current)			(Long-Term)
	(as restated)		(as reported)			(as reported)
Opening 1/1/2018	$	38,441	$	5,978		$	3,741
Closing 12/31/2018		48,096		5,425			744
Increase/(decrease)		9,655		(553	)		(2,997	)

Contract liabilities consist primarily of the return allowance described above, and of deferred revenue arising from upfront and annual exclusivity fees. The difference between the opening and closing balances of the Company’s contract liabilities primarily results from the Company’s performance of the Company’s contractual obligations over time. The Company recognizes sales commissions as incurred because the amortization period is less than one year. The Company does not incur other incremental costs relating to obtaining a contract with a customer, and therefore, does not have material contract assets, or impairment losses associated therewith. Revenue recognized for the year ended December 31, 2018, from amounts included in contract liabilities at the beginning of the period was $4,958. As of January 1, 2018 and December 31, 2018, $2,133 and $6,577 respectively, of unbilled receivables in connection with our exclusively built inventory contracts are included in accounts receivable.

4. Acquisition of Zyga Technology, Inc.

On January 4, 2018, the Company acquired Zyga Technology, Inc. (“Zyga”), a leading spine-focused medical device company that develops and produces innovative minimally invasive devices to treat underserved conditions of the lumbar spine. Zyga’s primary product is the SImmetry^® Sacroiliac Joint Fusion System. Under the terms of the merger agreement dated January 4, 2018, the Company acquired Zyga for $21,000 in consideration paid at closing (consisting of borrowings of $18,000 on our revolving credit facility and $3,000 cash on hand), $1,000 contingent upon the successful achievement of a clinical milestone, and a revenue based earnout consideration of up to $35,000. Based on a probability weighted model, the Company estimates a contingent liability related to the clinical milestone and revenue based earnout of $4,986. The fair value of the contingent liability was measured using Level 3 inputs, see Note 12. Acquisition related costs were approximately $1,430, of which approximately $800 was incurred during 2018 and is reflected separately in the accompanying Consolidated Statements of Comprehensive (Loss) Income.

The Company has accounted for the acquisition of Zyga under ASC 805,Business Combinations. Zyga’s results of operations are included in the consolidated financial statements for periods ended after January 4, 2018, the acquisition date.

The purchase price was financed as follows:

Cash proceeds from revolving credit facility	$	18,000
Cash from RTI Surgical		3,000
Total purchase price	$	21,000

In the fourth quarter of 2018, the Company completed its valuation of the tax accounts associated with the purchase price allocation. The table below represents an allocation of the total consideration to Zyga’s tangible and intangible assets and liabilities fair values as of January 4, 2018. During the three months ended December 31, 2018, the Company made the following changes to the fair values of acquired assets and liabilities as a result of completing the valuation of acquired deferred tax assets: increased deferred tax assets by $3,066 and decreased goodwill by $3,066. Including acquisition contingencies, the total consideration for the Zyga acquisition was $25,986.

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Inventories	$	1,099
Accounts receivable		573
Other current assets		53
Property, plant and equipment		151
Other assets		26
Deferred tax assets		4,715
Current liabilities		(947	)
Acquisition contingencies		(4,986	)
Net tangible assets acquired		684
Other intangible assets		6,760
Goodwill		13,556
Total net assets acquired	$	21,000

Total net assets acquired as of January 4, 2018, are all part of the Company’s only operating segment. Fair values are based on management’s estimates and assumptions including variations of the income approach, the cost approach and the market approach. Other intangible assets include patents of $6,500 with a useful life of 13 years, trademarks of $80 with a useful life of 1 year and selling and marketing relationships of $180 with a useful life of 7 years.

The Company believes that the acquisition of Zyga has offered and continues to offer the potential for substantial strategic and financial benefits. The transaction further advances our strategic transformation focused on reducing complexity, driving operational excellence and accelerating growth. The Company believes the acquisition will enhance stockholder value through, among other things, enabling the Company to capitalize on the following strategic advantages and opportunities:

• Zyga’s innovative minimally invasive treatment should accentuate our spine portfolio and opens significant opportunities to accelerate our Spine-focused expansion strategy.

• Zyga should leverage the core competencies of our Spine franchise by pursuing niche differentiated products, to gain scale and customer retention and support portfolio pull-through.

These potential benefits resulted in the Company paying a premium for Zyga resulting in the recognition of $13,556 of goodwill assigned to the Company’s only operating segment and reporting unit. For tax purposes, none of the goodwill is deductible.

The amount of Zyga’s revenues and net loss since the January 4, 2018, acquisition date, included in the Company’s Consolidated Statement of Comprehensive (Loss) Income for the year ended December 31, 2018, excluding acquisition related costs of approximately $800, are $4,757 and $2,573, respectively.

The following unaudited pro forma information shows the results of the Company’s operations as though the acquisition had occurred as of January 1, 2017 (in thousands, except per share data):    

	Year End December 31,
	2018			2017
Revenues	$	4,809		$	4,649
Net loss applicable to common shares		(2,640	)		(4,239	)
Basic net loss per share		(0.04	)		(0.07	)
Diluted net loss per share		(0.04	)		(0.07	)

The unaudited pro forma results have been prepared for comparative purposes only and are not necessarily indicative of the actual results of operations had the acquisition taken place as of the beginning of the periods presented, or the results that may occur in the future. These amounts exclude costs incurred which are directly attributable to the acquisition, and which do not have a continuing impact on the combined companies’ operating results.

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5. Cardiothoracic Closure Business Divestiture

The Company completed the sale of substantially all of the assets related to its Cardiothoracic closure business (the “CT Business”) to A&E Advanced Closure Systems, LLC (a subsidiary of A&E Medical Corporation) (“A&E”) pursuant to an Asset Purchase Agreement between the Company and A&E, dated August 3, 2017 (the “Asset Purchase Agreement”). The total cash consideration received by the Company under the Asset Purchase Agreement was composed of $54,000, $3,000 of which was held in escrow (the “Escrow Amount”) to satisfy possible indemnification obligations, of which there were none. As such, the Company earned and received the $3,000 cash consideration in the third quarter of 2018. An additional $5,000 in contingent cash consideration is earned if A&E reaches certain revenue milestones (the “Contingent Consideration”). The Company also earned and received an additional $1,000 in consideration for successfully obtaining certain U.S. Food and Drug Administration (“FDA”) regulatory clearance. As a part of the transaction, the Company also entered into a multi-year Contract Manufacturing Agreement with A&E (the “Contract Manufacturing Agreement”). Under the Contract Manufacturing Agreement, the Company agreed to continue to support the CT Business by manufacturing existing products and engineering, developing, and manufacturing potential future products for A&E. The Company elected to account for the Contingent Consideration arrangement including the Escrow Amount, as a gain contingency in accordance with ASC 450 Contingencies. As such, the Contingent Consideration and Escrow Amount were excluded in measuring the fair value of the consideration to be received in connection with the transaction.

The calculation of the gain on the CT Business divestiture is as follows:

Proceeds from cardiothoracic closure business divestiture	$	51,000
Inventories—net		(2,893	)
Property, plant and equipment—net		(1,299	)
Goodwill		(8,645	)
Other intangible assets—net		(280	)
Cardiothoracic closure business divestiture expenses		(3,793	)
Gain on cardiothoracic closure business divestiture	$	34,090

6. Stock-Based Compensation

The Company’s policy is to grant stock options at an exercise price equal to 100% of the market value of a share of common stock at closing on the date of the grant. The Company’s stock options generally have five toten-year contractual terms and vest over a one to five-year period from the date of grant. The Company’s policy is to grant restricted stock awards at a fair value equal to 100% of the market value of a share of common stock at closing on the date of the grant. The Company’s restricted stock awards generally vest over one to three-year periods.

2018 Incentive Compensation Plan –On April 30, 2018, the Company’s stockholders approved and adopted the 2018 Incentive Compensation Plan (the “2018 Plan”). The 2018 Plan provides for the grant of incentive and nonqualified stock options and restricted stock to key employees, including officers and directors of the Company. The 2018 Plan allows for up to 5,726,035 shares of common stock to be issued with respect to awards granted.

2015 Incentive Compensation Plan –On April 14, 2015, the Company’s stockholders approved and adopted the 2015 Incentive Compensation Plan (the “2015 Plan”). The 2015 Plan provided for the grant of incentive and nonqualified stock options and restricted stock to key employees, including officers and directors of the Company. The 2015 Plan allowed for up to 4,656,587 shares of common stock to be issued with respect to awards granted. With the adoption of the 2018 Plan, new stock options and restricted stock may no longer be awarded under the 2015 Plan.

The following weighted-average assumptions were used to determine the fair value of options under FASB ASC 718:

	Year Ended December 31,
	2018			2017			2016
Expected term (years)		6.50			6.50			6.50
Risk free interest rate		2.75	%		2.26	%		1.85	%
Volatility factor		43.74	%		47.39	%		45.57	%
Dividend yield		—			—			—

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Stock Options

Stock options outstanding, exercisable and available for grant at December 31, 2018, are summarized as follows:

						Weighted
				Weighted		Average
				Average		Remaining		Aggregate
	Number of			Exercise		Contractual		Intrinsic
	Options			Price		Life (Years)		Value
	(as restated)			(as restated)		(as restated)		(as restated)
Outstanding at January 1, 2018		4,662,037		$	3.86		—		—
Granted		722,122			4.32		—		—
Exercised		(352,015	)		3.53		—		—
Forfeited or expired		(756,400	)		4.99		—		—
Outstanding at December 31, 2018		4,275,744		$	3.76		4.15	$	1,161
Vested or expected to vest at December 31, 2018		3,472,364		$	3.77		3.93	$	924
Exercisable at December 31, 2018		1,019,844		$	3.94		2.43	$	169
Available for grant at December 31, 2018		5,454,302

The aggregate intrinsic value in the table above represents the totalpre-tax intrinsic value of stock options for which the fair market value of the underlying common stock exceeded the respective stock option exercise price. Estimated forfeitures are based on the Company’s historical forfeiture activity. Compensation expense recognized for all option grants is net of estimated forfeitures and is recognized over the awards’ respective requisite service periods.

For the years ended December 31, 2018, 2017 and 2016, the Company recognized stock-based compensation as follows:

	Year Ended December 31,
	2018		2017		2016
			(as restated)		(as restated)
Stock-based compensation:
Costs of processing and distribution	$	132	$	132	$	140
Marketing, general and administrative		4,553		6,586		3,406
Research and development		60		44		44
Total	$	4,745	$	6,762	$	3,590

As of December 31, 2018, there was $2,059 of total unrecognized stock-based compensation related to nonvested stock options. That expense is expected to be recognized over a weighted-average period of 1.72 years.

Other information concerning stock options are as follows:

	Year Ended December 31,
	2018		2017		2016
Weighted average fair value of stock options granted	$	2.05	$	1.66	$	1.55
Aggregate intrinsic value of stock options exercised		349		2,786		12

The aggregate intrinsic value of stock options exercised in a period represents thepre-tax cumulative difference, for the stock options exercised during the period, between the fair market value of the underlying common stock and the stock option exercise prices.

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Restricted Stock Awards

The value of restricted stock awards is determined by the market value of the Company’s common stock at the date of grant. In 2018, restricted stock awards in the amount of 686,038 shares and 141,176 shares was granted to employees andnon-employee directors, respectively. As of December 31, 2018, there was $3,079 of total unrecognized stock-based compensation related to unvested restricted stock awards. That expense is expected to be recognized on a straight-line basis over a weighted-average period of 1.60 years. The following table summarizes information about unvested restricted stock awards as of December 31, 2018:

				Weighted
				Average
	Number of			Grant Date
	Shares			Fair Value
	(as restated)			(as restated)
Unvested at January 1, 2018		1,120,190		$	4.15
Granted		827,214			4.29
Vested		(635,205	)		4.07
Forfeited		(279,484	)		4.13
Unvested at December 31, 2018		1,032,715		$	4.32

Inducement Grant

President and Chief Executive Officer

On January 26, 2017, the Company issued an inducement grant to its President and Chief Executive Officer, Mr. Camille Farhat. This grant was in the form of: (1) a restricted stock award agreement (the “Restricted Stock Agreement #1”); (2) another restricted stock award agreement (the “Restricted Stock Agreement #2”); and (3) a stock option agreement.

Under the Restricted Stock Agreement #1, the Company granted Mr. Farhat 850,000 shares of restricted common stock. On the first anniversary of the grant date, 170,000 shares will vest. The remaining shares will vest on the last day of each calendar quarter at a rate of 42,500 shares per calendar quarter commencing after the first anniversary of the grant date and continuing for four years after. Vesting of these shares may accelerate upon the occurrence of either of two performance conditions.

On December 4, 2017, the Company and Mr. Farhat entered into the First Amendment to the Restricted Stock Agreement #1 (the “Amendment”). The Amendment revised the vesting conditions for the Company’s common stock, par value $0.001 per share (the “Common Stock”), granted under the Restricted Stock Agreement #1. Pursuant to the Amendment, certain acceleration conditions contained in the Restricted Stock Agreement #1 were deleted and 425,000 shares of restricted Common Stock vested on December 4, 2017 (the “Vested Grant”). If Mr. Farhat voluntarily leaves the employment of the Company (other than for “Good Reason”) or is terminated for “Cause” (as those terms are defined in the Employment Agreement between the Company and Mr. Farhat, dated January 26, 2017) on or before March 31, 2019, then Mr. Farhat will forfeit all of the shares of the Vested Grant that would not have otherwise vested under vesting schedule contained in the Restricted Stock Agreement #1 at the time of termination. Pursuant to the Amendment, Mr. Farhat will also be required to hold the shares of the Vested Grant until March 31, 2019, except to the extent those shares would have vested under the vesting schedule contained in the Restricted Stock Agreement #1 at the time of a proposed transfer by Mr. Farhat.

The unaccelerated shares of restricted Common Stock granted under the Restricted Stock Agreement #1 will vest under vesting schedule contained in the Restricted Stock Agreement #1. Pursuant to the Restricted Stock Agreement #1 vesting schedule, 170,000 of the unaccelerated restricted shares vested on January 26, 2018, and the remaining unaccelerated restricted shares will vest in 42,500 share increments on the last day of each calendar quarter commencing on March 31, 2018, continuing until all unaccelerated restricted shares have vested. Under the terms of the Amendment, the final tranche of shares of restricted Common Stock granted under the Restricted Stock Agreement #1 will vest as of June 30, 2019, instead of on December 31, 2021, which would have been the case if no acceleration occurred.

Under the Restricted Stock Agreement #2, the Company granted Mr. Farhat 150,000 shares of restricted common stock. These 150,000 restricted shares became fully vested, effective May 18, 2017.

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Under the Option Agreement, the Company granted Mr. Farhat the option to purchase 1,950,000 shares of common stock. The exercise price for the Stock Options is $3.20. The stock options will expire on January 26, 2022. The stock options will vest based on the Company’s attainment of three average stock price benchmarks. The first 650,000 shares will vest if the Company’s average publicly traded stock price is over $6.00 for a sixty-consecutive calendar day period. The next 650,000 shares will vest if the Company’s average publicly traded stock price is over $7.00 for a sixty-consecutive calendar day period. The final 650,000 shares will vest if the Company’s average publicly traded stock price is over $8.00 for a sixty-consecutive calendar day period. The vesting of the stock options is cumulative.

Chief Financial and Administrative Officer

On September 18, 2017, the Company issued an inducement grant to its Chief Financial and Administrative Officer, Mr. Jonathon Singer. This grant was in the form of: (1) a restricted stock award agreement (the “Restricted Stock Agreement”); and (2) a stock option agreement. This inducement grant was made under the RTI Surgical, Inc. 2015 Incentive Compensation Plan, which was filed with the SEC on May 5, 2015.

Under the Restricted Stock Agreement, the Company granted Mr. Singer 109,890 shares of restricted Common Stock. The shares will vest over a three-year period. On the first anniversary of the grant date, 36,630 shares vested. On the second anniversary of the grant date, an additional 36,630 shares will vest. On the third anniversary of the grant date, the final 36,630 shares will vest.

Under the Option Agreement, the Company granted Mr. Singer the option to purchase 306,900 shares of Common Stock, as of the grant date. The exercise price for the Stock Options is $4.55 per share. The stock options will expire on September 18, 2027. The stock options will vest based the Company’s attainment of three average stock price benchmarks. The first 102,300 shares will vest if the Company’s average publicly traded stock price is over $7.00 per share for a sixty-consecutive calendar day period. The next 102,300 shares will vest if the Company’s average publicly traded stock price is over $8.00 per share for a sixty-consecutive calendar day period. The final 102,300 shares will vest if the Company’s average publicly traded stock price is over $9.00 per share for a sixty-consecutive calendar day period. The vesting of the stock options is cumulative.

7. Inventories

Inventories by stage of completion are as follows:

	December 31,
	2018		2017
	(as restated)		(as restated)
Unprocessed tissue, raw materials and supplies	$	24,211	$	22,071
Tissue and work in process		31,796		40,481
Implantable tissue and finished goods		51,648		49,392
	$	107,655	$	111,944

For the years ended December 31, 2018, 2017, and 2016, the Company had inventory write-downs of $15,122, $5,066 and $13,880, respectively, relating primarily to excess quantities and obsolescence of inventories. Included in the year ended December 31, 2018, are $1,023 of product obsolescence related to the rationalization of our international distribution infrastructure and $6,559 of inventorywrite-off related to lower distributions of the Company’s map3^® implant. Included in the year end December 31, 2016, are $9,556 of inventorywrite-off primarily relating to excess quantities of sports inventory.

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8. Prepaid and Other Current Assets

Prepaid and Other Current Assets are as follows:

	December 31,
	2018		2017
	(as restated)		(as restated)
Income tax receivable	$	3,920	$	10,241
Receivable for executive stock option exercise		—		1,234
Prepaid expenses		2,013		1,592
Other		2,480		3,559
	$	8,413	$	16,626

9. Property, Plant and Equipment

Property, plant and equipment are as follows:

	December 31,
	2018			2017
Land	$	2,020		$	2,020
Buildings and improvements		58,093			57,954
Processing equipment		42,599			44,137
Surgical instruments		24,070			21,256
Office equipment, furniture and fixtures		1,877			1,352
Computer equipment and software		18,873			19,332
Construction in process		8,934			5,980
		156,466			152,031
Less accumulated depreciation		(78,512	)		(72,467	)
	$	77,954		$	79,564

For the years ended December 31, 2018, 2017, and 2016, the Company had depreciation expense in connection with property, plant and equipment of $10,619, $10,513, and $12,835, respectively. For the year ended December 31, 2018, the Company recorded asset impairment and abandonment charges of $1,797, relating to lower distributions of our map3^® implant. In addition, on October 20, 2017, the Company sold an owned property previously used for administrative, distribution and marketing functions for $1,818 net of selling costs.

10. Goodwill

The change in the carrying amount of goodwill for the year ended December 31, 2018, is as follows:

	Year Ended December 31,
	2018		2017
Balance at January 1	$	46,242	$	54,887
Goodwill acquired related to Zyga acquisition		13,556		—
Goodwill disposed of related to sale of
Cardiothoracic closure business		—		8,645
Balance at December 31	$	59,798	$	46,242

Goodwill acquired during the year ended December 31, 2018, includes the excess of the Zyga purchase price over the sum of the amounts assigned to assets acquired less liabilities assumed.

The Company considered the decreased forecasted distributions of our map3^® implant to be a triggering event for long-lived asset impairment testing. As a result, the Company performed a goodwill impairment analysis on its sole reporting unit during the quarter ended June 30, 2018, and based on the analysis, the Company concluded its goodwill was not impaired.

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11. Other Intangible Assets

Other intangible assets are as follows:

	December 31, 2018				December 31, 2017
	Gross				Gross
	Carrying		Accumulated		Carrying		Accumulated
	Amount		Amortization		Amount		Amortization
	(as restated)		(as restated)		(as restated)		(as restated)
Patents	$	15,469	$	4,191	$	11,061	$	4,892
Acquired licensing rights		11,671		6,468		14,566		9,097
Marketing and procurement intangible assets		20,355		11,279		20,603		9,667
Total	$	47,495	$	21,938	$	46,230	$	23,656

For the years ended December 31, 2018, 2017, and 2016, the Company had amortization expense of other intangible assets of $3,960, $3,720, and $3,693, respectively. For the year ended December 31, 2018, the Company recorded asset impairment and abandonment charges of $3,029, including $2,718 relating to lower distributions of our map3^® implant.

At December 31, 2018, management’s estimates of future amortization expense for the next five years are as follows:

	Amortization
	Expense
2019	$	4,200
2020		4,100
2021		4,100
2022		4,100
2023		1,800

12. Fair Value Information

Fair value is defined as the price that would be received upon the sale of an asset or paid to transfer a liability in an orderly transaction between market participants on the measurement date. Valuation techniques used to measure fair value maximize the use of observable inputs and minimize the use of unobservable inputs. The fair value hierarchy defines a three-level valuation hierarchy for classification and disclosure of fair value measurements as follows:

Level 1 – Quoted prices in active markets for identical assets or liabilities.

Level 2 – Inputs other than Level 1 that are observable, either directly or indirectly, such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities.

Level 3 – Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities.

On January 4, 2018, the Company acquired Zyga as further explained in Note 4 above. The Company estimates a contingent liability related to the clinical milestone and revenue based earnout of $4,986. The fair value of the contingent liability was measured using Level 3 inputs. Long-lived assets, including property and equipment and intangible assets subject to amortization were impaired and written down to their estimated fair values during the second quarter of 2018 and the fourth quarter of 2016. Fair value is measured as of the impairment date using Level 3 inputs. The long-lived asset level 3 fair value was determined using a market approach, which used inputs that included replacement costs (unobservable), physical deterioration estimates (unobservable), economic obsolescence (unobservable), and market sales data for comparable assets.

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The following table summarizes impairments of long-lived assets and the related post impairment fair values of the corresponding assets for the year ended December 31, 2016 and 2018:

	Year Ended December 31, 2016
	Impairment		Fair Value
Property, plant and equipment - net	$	4,717	$	4,708
Other intangible assets - net		718		150
	$	5,435	$	4,858

	Year Ended December 31, 2018
	Impairment		Fair Value
Property, plant and equipment - net	$	1,797	$	—
Other intangible assets - net		2,718		—
	$	4,515	$	—

No impairments on long-lived assets were recorded for the year ended December 31, 2017.

13. Accrued Expenses

Accrued expenses are as follows:

	December 31,
	2018		2017
	(as restated)		(as restated)
Accrued compensation	$	8,308	$	8,257
Accrued severance and restructuring costs		1,302		3,122
Accrued executive transition costs		43		2,300
Accrued distributor commissions		3,907		3,889
Accrued donor recovery fees		3,018		4,144
Other		9,287		4,047
	$	25,865	$	25,759

14. Short and Long-Term Obligations

Short and long-term obligations are as follows:

	December 31,			December 31,
	2018			2017
Term loan	$	—		$	24,250
Revolving credit facility		50,000			22,500
Less unamortized debt issuance costs		(927	)		(406	)
Total		49,073			46,344
Less current portion		—			(4,268	)
Long-term portion	$	49,073		$	42,076

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On June 5, 2018, the Company terminated its 2017 loan agreement with TD Bank, N.A. and First Tennessee Bank National Association. The 2017 loan agreement provided for a revolving credit facility in the aggregate principal amount of $42,500. Borrowings under the 2017 loan agreement had an interest rate per annum equal to monthly LIBOR plus a margin of up to 3.50%. The maturity date of the revolving credit facility was September 15, 2019.

On June 5, 2018, the Company entered into a Credit Agreement (the “2018 Credit Agreement”), as borrowers, with JP Morgan Chase Bank, N.A., as lender (together with the various financial institutions as in the future may become parties thereto, the “Lenders”) and as administrative agent for the Lenders. The 2018 Credit Agreement provides for a revolving credit facility in the aggregate principal amount of up to $100,000 (the “Facility”). The Company and Pioneer will be able to, at their option, and subject to customary conditions and Lender approval, request an increase to the Facility by up to $50,000.

The Facility is guaranteed by the Company’s domestic subsidiaries and is secured by: (i) substantially all of the assets of the Company and Pioneer; (ii) substantially all of the assets of each of the Company’s domestic subsidiaries; and (iii) 65% of the stock of the Company’s foreign subsidiaries.

The initial borrowings made under the 2018 Credit Agreement will bear interest at a rate per annum equal to the monthly REVLIBOR30 Rate (“CBFR Loans”) plus an adjustable margin of up to 2.00% (the “CBFR Rate”). The Company may elect to convert the interest rate for the initial borrowings to a rate per annum equal to the adjusted LIBO Rate (“Eurodollar Loans”) plus an adjustable margin of up to 2.00% (the “Eurodollar Rate”). For all subsequent borrowings, the Company may elect to apply either the CBFR Rate or Eurodollar Rate. The applicable margin is subject to adjustment after the end of each fiscal quarter, based upon the Company’s average quarterly availability. The maturity date of the Facility is June 5, 2023. The Company may make optional prepayments on the Facility without penalty. The Company paid certain customary closing costs and bank fees upon entering into the 2018 Credit Agreement in the amount of $1,049.

The Company is subject to certain affirmative and negative covenants, including (but not limited to), covenants limiting the Company’s ability to: incur certain additional indebtedness; create certain liens; enter into sale and leaseback transactions; and consolidate or merge with, or convey, transfer or lease all or substantially all of its assets to another person. The Company is required to maintain a minimum fixed charge coverage ratio of at least 1.00:1.00 (the “Required Minimum Fixed Charge Coverage Ratio”) during either of the following periods (each, a “Covenant Testing Period”): (i) a period beginning on a date that a default has occurred and is continuing under the loan documents entered into by the Company in conjunction with the 2018 Credit Agreement through the first date on which no default has occurred and is continuing; or (ii) a period beginning on a date that availability under the Facility is less than the specified covenant testing threshold and continuing until availability under the Facility is greater than or equal to the specified covenant testing threshold for thirty (30) consecutive days. The Required Minimum Fixed Charge Coverage Ratio is measured on the last day of each calendar month during the Covenant Testing Period (each a “Calculation Date”), and is calculated using the minimum fixed charge coverage ratio for the twelve (12) consecutive months ended on each Calculation Date. The amounts owed under the 2018 Credit Agreement may be accelerated upon the occurrence of certain events of default customary for facilities for similarly rated borrowers.

At December 31, 2018, the interest rate for the Facility was 4.10%. As of December 31, 2018, there was $50,000 outstanding on the Facility and total remaining available credit on the Facility was $43,713. The Company’s ability to access the Facility is subject to and can be limited by the Company’s compliance with the Company’s financial and other covenants. The Company was in compliance with the financial covenants related to the Facility as of December 31, 2018.

Interest expense associated with the amortization of debt issuance costs for the years ended December 31, 2018, 2017 and 2016 was $528, $409 and $202, respectively. For the year ended December 31, 2018, loss on extinguishment of debt associated with refinancing the Company’s debt was $309.

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15. Income Taxes

The Company’s pre-tax income consists of the following components:

	Year Ended December 31,
	2018			2017			2016
Pre-tax income:
Domestic (U.S., state and local)	$	(9,052	)	$	30,121		$	(7,722	)
Foreign		1,661			(3,866	)		(9,314	)
Total		(7,391	)		26,255			(17,036	)

The Company’s income tax benefit (provision) consists of the following components:

	Year Ended December 31,
	2018			2017			2016
	(as restated)			(as restated)			(as restated)
Current:
Federal	$	967		$	(2,910	)	$	(88	)
State		(205	)		(833	)		(84	)
International		(376	)		—			456
Total current		386			(3,743	)		284
Deferred:
Federal		2,356			(14,554	)		2,547
State		(2,446	)		(1,052	)		589
International		3,972			—			(192	)
Total deferred		3,882			(15,606	)		2,944
Total income tax benefit (provision)	$	4,268		$	(19,349	)	$	3,228

The Company’s deferred tax assets and liabilities consists of the following components:

	December 31, 2018						December 31, 2017
	Deferred Income Tax						Deferred Income Tax
	Assets			Liabilities			Assets			Liabilities
	(as restated)			(as restated)			(as restated)			(as restated)
Accounts receivable	$	513		$	—		$	190		$	—
Accrued liabilities		2,358			—			2,072			—
Deferred compensation		1,372			—			1,783			—
Fixed assets and intangibles		—			(5,862	)		66			(7,370	)
Inventory		7,631			—			5,905			—
Net operating losses		8,198			—			8,106			—
Revenue		650			—			1,874			—
Tax credits		5,993			—			4,263			—
Other		—			—			—			(110	)
Valuation allowance		(3,093	)		—			(7,258	)		—
Total	$	23,622		$	(5,862	)	$	16,935		$	(7,480	)

The Company expects its deferred tax assets of $17,760 net of the valuation allowance at December 31, 2018 of $3,093, to be realized through the generation of future taxable income and the reversal of existing taxable temporary differences.

On December 22, 2017, the U.S. government enacted the Tax Cuts and Jobs Act of 2017 (the “Tax Legislation”). The Tax Legislation makes broad and complex changes to the U.S. tax code including, but not limited to the following:

• Reduction of the U.S. federal corporate tax rate from 35% to 21%;

• Requiring a transition tax on certain unrepatriated earnings of foreign subsidiaries;

• Bonus depreciation that will allow for full expensing of qualified property;

• Elimination of the corporate alternative minimum tax;

• The repeal of the domestic production activity deduction;

• Limitations on the deductibility of certain executive compensation; and

• Limitations on net operating losses generated after December 31, 2017.

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In addition, beginning in 2018, the Tax Legislation includes a global intangiblelow-taxed income (“GILTI”) provision, which as currently interpreted by the Company, requires a tax on foreign earnings in excess of a deemed return on tangible assets of foreign subsidiaries. The Company has elected an accounting policy to account for GILTI as a period cost if incurred, rather than recognizing deferred taxes for temporary basis differences expected to reverse as a result of GILTI.

On December 22, 2017, the SEC staff issued SAB 118, which provides guidance on accounting for the tax effects of the Tax Legislation. SAB 118 provides a measurement period that should not extend beyond one year from the Tax Legislation enactment date for companies to complete the accounting under ASC 740.

The Company has completed its accounting for the tax effects of the Tax Legislation. In 2018, the Company recorded a tax benefit of $650, and in 2017, the Company recorded a tax provision of $2,187, relating to the revaluation of deferred tax assets and transition tax.

Valuation allowances are established when necessary to reduce deferred tax assets to amounts which are more likely than not to be realized. As such, valuation allowances of $3,093, and $7,258 have been established at December 31, 2018 and December 31, 2017, respectively, against a portion of the deferred tax assets.

As of December 31, 2018, the Company has U.S. federal net operating loss carryforwards of $9,973 that will expire in years 2026 through 2037. In addition, the Company has U.S. federal net operating loss carryforwards of $1,337 that will carryforward indefinitely. As of December 31, 2018, the Company has U.S. state net operating loss carryforwards of $41,844 that will expire in the years 2022 through 2038. As of December 31, 2018, the Company has foreign net operating loss carryforwards of $13,754 that will carryforward indefinitely.

As of December 31, 2018, the Company has research tax credit carryforwards of $6,270 that will expire in years 2029 through 2038.

U.S. income taxes have not been provided on the undistributed earnings of the Company’s foreign subsidiaries. It is not practicable to estimate the amount of tax that might be payable. The Company’s intention is to indefinitely reinvest earnings of its foreign subsidiaries outside of the U.S.

The Company evaluates the need for deferred tax asset valuation allowances based on a more likely than not standard. The ability to realize deferred tax assets depends on the ability to generate sufficient taxable income within the carryback or carryforward periods provided for in the tax law for each applicable tax jurisdiction.

The assessment regarding whether a valuation allowance is required or should be adjusted also considers all available positive and negative evidence. It is difficult to conclude a valuation allowance is not required when there is significant objective and verifiable negative evidence, such as cumulative losses in recent years. The Company utilizes a rolling three-years of actual results as the primary measure of cumulative losses in recent years.

On a rolling three-years, the Company’s consolidated U.S. operations are in a cumulative income position. However, one U.S. entity (“Entity”) is in a three-year cumulative loss position. The Company has established a valuation allowance on the Entity’s separate state deferred tax assets.

The Company’s foreign operations are in three-year cumulative loss position. Future taxable income exclusive of reversing temporary differences and carryforwards is one source of taxable income that may be available under the tax law to realize a tax benefit for deductible temporary differences and carryforwards. Beginning in 2017 the company began a restructuring plan, which was finalized in 2018. The efforts under this plan have led the Company to achieve operational excellence and a reduction in complexities which resulted in current year positive earnings within its foreign subsidiary. The changes within the operations are projected to generate future taxable earnings. The Company considers the current year and future earnings to be objectively verifiable evidence which will allow the Company to fully utilize its foreign deferred tax assets. The Company believes this positive evidence outweighs the negative evidence of its foreign subsidiaries’ cumulative three-year loss position, resulting in a release of allowance related to foreign deferred tax assets.

The Company will continue to regularly assess the realizability of our deferred tax assets. Changes in historical earnings performance and future earnings projections, among other factors, may cause the Company to adjust its valuation allowance, which would impact the Company’s income tax expense in the period the Company determines that these factors have changed.

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As of December 31, 2018, the Company has $1,088 of unrecognized tax benefits, which was recorded net against deferred tax assets in the accompanying consolidated balance sheet.

The Company’s unrecognized tax benefits are summarized as follows:

	Year Ended December 31,
	2018			2017		2016
	(as restated)			(as restated)		(as restated)
Opening balance	$	1,591		$	1,591	$	1,986
Reductions based on tax positions related to the current year		—			—		—
Additions for tax positions of prior years		—			—		—
Reductions for tax positions of prior years		(415	)		—		(60	)
Reductions for expiration of statute of limitations		(88	)		—		(335	)
	$	1,088		$	1,591	$	1,591

The unrecognized tax benefits if recognized, would favorably impact the Company’s effective tax rate.

The Company’s policy is to recognize interest accrued related to unrecognized tax benefits in interest expense and penalties in the provision for income taxes. Interest and penalties recorded in 2018, 2017 and 2016 and interest and penalties accrued at December 31, 2018 and 2017 were inconsequential.

During the year ended December 31, 2018, the Internal Revenue Service (“IRS”) completed its examination of the Company’s 2015 U.S. federal income tax return. No material adjustments were recorded to the Company’s consolidated financial statements as a result of the examination.

The effective tax rate differs from the statutory federal income tax rate for the following reasons:

	Year Ended December 31,
	2018			2017			2016
	(as restated)			(as restated)			(as restated)
Statutory federal rate		21.00%			35.00%			35.00%
State income taxes—net of federal tax benefit		(4.58%	)		2.37%			1.73%
Foreign rate differential		14.36%			2.54%			(2.47%	)
Acquisition expenses		(7.26%	)		—			—
Goodwill disposal		—			11.52%			—
Life insurance		(0.98%	)		(1.38%	)		—
Officer compensation		(7.88%	)		4.18%			—
Stock-based compensation		(3.90%	)		6.06%			—
Tax credits		8.65%			(4.53%	)		7.28%
Tax legislation		9.23%			8.33%			—
Valuation allowances		21.93%			6.08%			(22.11%	)
Uncertain tax positions		6.86%			—			—
Other reconciling items, net		0.32%			3.52%			(0.48%	)
Effective tax rate		57.75%			73.69%			18.95%

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16. Preferred Stock

Preferred stock is as follows:

	Preferred Stock		Preferred Stock			Net
	Liquidation Value		Issuance Costs			Total
Balance at January 1, 2016	$	57,168	$	(845	)	$	56,323
Accrued dividend		3,508		—			3,508
Amortization of preferred stock issuance costs		—		185			185
Balance at December 31, 2016		60,676		(660	)		60,016
Accrued dividend		3,723		—			3,723
Amortization of preferred stock issuance costs		—		184			184
Balance at December 31, 2017		64,399		(476	)		63,923
Accrued dividend		2,120		—			2,120
Amortization of preferred stock issuance costs		—		183			183
Balance at December 31, 2018	$	66,519	$	(293	)	$	66,226

On June 12, 2013, the Company and WSHP Biologics Holdings, LLC, an affiliate of Water Street Healthcare Partners, a leading healthcare-focused private equity firm (“Water Street”), entered into an investment agreement. Pursuant to the terms of the investment agreement, the Company issued $50,000 of convertible preferred equity to Water Street in a private placement which closed on July 16, 2013, with preferred stock issuance costs of $1,290. The preferred stock accrues dividends at a rate of 6% per annum. To the extent dividends are not paid in cash in any quarter, the dividends which have accrued on each outstanding share of preferred stock during such three-month period will accumulate until paid in cash or converted to common stock.

The Preferred Stock will be convertible at the election of the holders into shares of the Company’s common stock at an initial conversion price of $4.39 per share which would result in a conversion ratio of approximately 228 shares of common stock for each share of Preferred Stock. The Preferred Stock is convertible at the election of the Company five years after its issuance or at any time if the Company’s common stock closes at or above $7.98 per share for at least 20 consecutive trading days.

The Company may, upon 30 days’ notice, redeem the Preferred Stock, in whole or in part, five years after its issuance at the initial liquidation preference of $1,000 per share of the Preferred Stock plus an amount per share equal to accrued but unpaid dividends (collectively, the “Liquidation Value”). The holders of the Preferred Stock may require the Company to redeem their Preferred Stock, in whole or in part, at the Liquidation Value seven years after its issuance or upon the occurrence of a change of control.

On August 1, 2018, the Company and WSHP Biologics Holdings, LLC, a related party, entered into an Amended and Restated Certificate of Designation of Series A Convertible Preferred Stock of RTI Surgical, Inc. (the “Amended and Restated Certificate of Designation”). Pursuant to the Amended and Restated Certificate of Designation: (1) dividends on the Series A Preferred Stock will not accrue after July 16, 2018 (in the event of a default by the Company, dividends will begin accruing and will continue to accrue until the default is cured); (2) the Company may not force a redemption of the Series A Preferred Stock prior to July 16, 2020; and (3) the holders of the Series A Preferred Stock may not convert the Series A Preferred Stock into common stock prior to July 16, 2021 (with certain exceptions). The Company evaluated and concluded on a qualitative basis the amendment qualifies as modification accounting to the preferred shares, which did not result in a change in the valuation of the shares.

17. Stockholders’ Equity

Preferred Stock—The Company has 5,000,000 shares of preferred stock authorized under its Certificate of Incorporation of which 50,000 are currently issued and outstanding. These shares may be issued in one or more series having such terms as may be determined by the Company’s Board of Directors.

Common Stock—The Company has 150,000,000 shares of common stock authorized. The common stock’s voting, dividend, and liquidation rights presently are subject to or qualified by the rights of the holders of any outstanding shares of preferred stock. Holders of common stock are entitled to one vote for each share held at all stockholder meetings. Shares of common stock do not have redemption rights.

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18. Executive Transition Costs

The Company recorded Chief Executive Officer retirement and transition costs related to the retirement of our former Chief Executive Officer pursuant to the Executive Transition Agreement dated August 29, 2012 (as amended and extended to date), which resulted in $4,404 of expenses for the year ended December 31, 2016. The total Chief Executive Officer retirement and transition costs are expected to be paid in full in the first quarter of 2019. In addition, the Company recorded executive transition costs of $2,818 as a result of hiring a new Chief Executive Officer and Chief Financial and Administrative Officer for the year ended December 31, 2017, separately disclosed on the Consolidated Statements of Comprehensive (Loss) Income. The total executive transition costs of which $1,169 is cash basis was paid in full in 2018. The following table includes a rollforward of executive transition costs included in accrued expenses, see Note 13.

	As Restated
Accrued executive transition costs at January 1, 2016	$	—
Executive transition costs accrued in 2016		4,404
Stock-based compensation		(1,535	)
Cash payments		(463	)
Accrued executive transition costs at December 31, 2016		2,406
Executive transition costs accrued in 2017		2,818
Stock-based compensation		(1,612	)
Cash payments		(1,275	)
Accrued executive transition costs at December 31, 2017		2,337
Executive transition costs accrued in 2018		—
Cash payments		(2,294	)
Accrued executive transition costs at December 31, 2018	$	43

19. Severance and Restructuring Costs

The Company recorded severance and restructuring costs related to the reduction of our organizational structure which resulted in $2,146 of expenses for the year ended December 31, 2016. The total severance and restructuring costs were paid in full in the first quarter of 2018. Severance and restructuring payments were made over periods ranging from one month to twelve months and did not have a material impact on cash flows of the Company in any quarterly period.

The Company recorded severance and restructuring costs related to the reduction of our organizational structure which resulted in $12,016 of expenses for the year ended December 31, 2017. The total severance and restructuring costs were paid in full in the fourth quarter of 2018. Severance and restructuring payments were made over periods ranging from one month to twelve months and did not have a material impact on cash flows of the Company in any quarterly period.

The Company recorded severance and restructuring costs related to the reduction of our organizational structure which resulted in $2,808 of expenses for the year ended December 31, 2018. The total severance and restructuring costs are expected to be paid in full by the fourth quarter of 2019. Severance and restructuring payments are made over periods ranging from one month to twelve months and are not expected to have a material impact on cash flows of the Company in any quarterly period.

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The following table includes a rollforward of severance and restructuring costs included in accrued expenses, see Note 13.

	As Restated
Accrued severance and restructuring charges at January 1, 2016	$	865
Severance and restructuring expenses accrued in 2016		2,146
Severance and restructuring cash payments		(1,866	)
Asset abandonments		(640	)
Accrued severance and restructuring charges at December 31, 2016		505
Severance and restructuring expenses accrued in 2017		12,016
Severance and restructuring cash payments		(8,246	)
Stock based compensation		(1,153	)
Accrued severance and restructuring charges at December 31, 2017		3,122
Severance and restructuring expenses accrued in 2018		2,808
Severance and restructuring cash payments		(4,628	)
Accrued severance and restructuring charges at December 31, 2018	$	1,302

20. Retirement Benefits

The Company has a qualified 401(k) plan available to all U.S. employees who meet certain eligibility requirements. The 401(k) plan allows each employee to contribute up to the annual maximum allowed under the Internal Revenue Code. The Company has the discretion to make matching contributions up to 6% of the employee’s earnings. For the years ended December 31, 2018, 2017 and 2016, the amounts expensed under the plan were $2,757, $3,036 and $3,094, respectively.

21. Concentrations of Risk

Distribution—The Company’s principal concentration of risk is related to its limited distribution channels. The Company’s revenues include the distribution efforts of fourteen independent companies with significant revenues coming from three of the distribution companies, Zimmer Biomet Holdings Inc. (“Zimmer”), Medtronic, PLC (“Medtronic”) and DePuy Synthes (“Synthes”), a Johnson & Johnson Inc. subsidiary. The following table presents percentage of total revenues derived from the Company’s largest distributors:

	Year Ended December 31,
	2018			2017			2016
	(as reported)			(as reported)			(as reported)
Percent of revenues derived from:
Distributor
Zimmer		21	%		17	%		16	%
Medtronic		8	%		9	%		9	%
Synthes		5	%		4	%		4	%

The Company’s distribution agreements are subject to termination by either party for a variety of causes. No assurance can be given that such distribution agreements will be renewed beyond their expiration dates, continue in their current form or at similar rate structures. Any termination or interruption in the distribution of the Company’s implants through one of its major distributors could have a material adverse effect on the Company’s operations.

Tissue Supply—The Company’s operations are dependent on the availability of tissue from human donors. For all of the tissue recoveries, the Company relies on the efforts of independent procurement agencies to educate the public and increase the willingness to donate bone tissue. These procurement agencies may not be able to obtain sufficient tissue to meet present or future demands. Any interruption in the supply of tissue from these procurement agencies could have a material adverse effect on the Company’s operations.

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22. Commitments and Contingencies

Agreement to acquire Paradigm– On November 1, 2018, the Company entered into a definitive agreement to acquire Paradigm Spine, LLC (“Paradigm”) in a cash and stock transaction valued at up to $300,000, consisting of $150,000 at closing plus potential future milestone payments. Established in 2005, Paradigm’s primary product is the coflex^® Interlaminar Stabilization^® device, a differentiated and minimally invasive motion preserving stabilization implant that is FDA premarket approved for the treatment of moderate to severe LSS in conjunction with decompression. The transaction is expected to close by the end of the first quarter of 2019 and is subject to the satisfaction of customary closing conditions and applicable regulatory approvals.

Under the terms of the agreement, the Company will pay $100,000 in cash and issue 10,729,614 shares of RTI common stock at closing, and revenue based earnout consideration of up to $150,000 in a combination of cash and RTI common stock. The shares of RTI stock to be issued at closing were valued based on the volume weighted average closing trading price for the five trading days prior to the date of execution of the definitive agreement, representing $50,000 of value. RTI intends to fund the cash portion of the consideration with approximately $100,000 in new, fully-committed debt financing. The Company has not completed its preliminary purchase price allocation.

Acquisition of Zyga – On January 4, 2018, the Company acquired Zyga, a leading spine-focused medical device company that develops and produces innovative minimally invasive devices to treat underserved conditions of the lumbar spine. Zyga’s primary product is the SImmetry^® Sacroiliac Joint Fusion System. Under the terms of the merger agreement dated January 4, 2018, the Company acquired Zyga for $21,000 in consideration paid at closing (consisting of borrowings of $18,000 on our revolving credit facility and $3,000 cash on hand), $1,000 contingent upon the successful achievement of a clinical milestone, and a revenue based earnout consideration of up to an additional $35,000. Based on a probability weighted model, the Company estimates a contingent liability related to the clinical milestone and revenue based earnout of $4,986.

Distribution Agreement with A&E – On August 3, 2017, the Company completed the sale of substantially all of the assets related to its CT Business to A&E pursuant to an Asset Purchase Agreement between the Company and A&E (the “Asset Purchase Agreement”). The total cash consideration received by the Company under the Asset Purchase Agreement was composed of $54,000. $3,000 of which was held in escrow (the “Escrow Amount”) to satisfy possible indemnification obligations, of which there were none. As such, the Company earned and received the $3,000 cash consideration in the third quarter of 2018. An additional $5,000 in contingent cash consideration is earned if A&E reaches certain revenue milestones (the “Contingent Consideration”). The Company also earned and received an additional $1,000 in consideration for successfully obtaining certain FDA regulatory clearance. As a part of the transaction, the Company also entered into a multi-year Contract Manufacturing Agreement with A&E (the “Contract Manufacturing Agreement”). Under the Contract Manufacturing Agreement, the Company agreed to continue to support the CT Business by manufacturing existing products and engineering, developing, and manufacturing potential future products for A&E. The Company elected to account for the Contingent Consideration arrangement including the Escrow Amount, as a gain contingency in accordance with ASC 450 Contingencies. As such, the Contingent Consideration and Escrow Amount were excluded in measuring the fair value of the consideration to be received in connection with the transaction.

Distribution Agreement with Medtronic – On October 12, 2013, the Company entered into a replacement distribution agreement with Medtronic, plc. (“Medtronic”), pursuant to which Medtronic will distribute certain allograft implants for use in spinal, general orthopedic and trauma surgery. Under the terms of this distribution agreement, Medtronic will be anon-exclusive distributor except for certain specified implants for which Medtronic will be the exclusive distributor. Medtronic will maintain its exclusivity with respect to these specified implants unless the cumulative fees received by us from Medtronic for these specified implants decline by a certain amount during any trailing12-month period. The initial term of this distribution agreement was to have been through December 31, 2017. The term automatically renews for successive five-year periods, unless either party provides written notice of its intent not to renew at least one year prior to the expiration of the initial term or the applicable renewal period. Neither party provided notice ofnon-renewal on or before December 31, 2016, thereby triggering the five-year automatic renewal period upon the expiration of the initial term. The distribution agreement will therefore continue at least through December 31, 2022. This distribution agreement superseded and replaced our prior distribution agreement with Medtronic which would have expired in accordance with its terms in June 2014.

Distribution Agreement with Zimmer Dental Inc.—On September 3, 2010, the Company entered into an exclusive distribution agreement with Zimmer Dental, Inc. (“Zimmer Dental”), a subsidiary of Zimmer, with an effective date of September 30, 2010, as amended from time to time. The Agreement was assigned to Biomet 3i, LLC (“Biomet”), an affiliate of Zimmer Dental, on January 1, 2016. The Agreement has an initial term of ten years. Under the terms of this distribution agreement, the Company agreed to supply sterilized allograft and xenograft implants at an agreed upon transfer price, and Biomet has agreed to be the exclusive distributor of the implants for dental and oral applications worldwide (except Ukraine), subject to certain Company obligations under an existing distribution agreement with a third party with respect to certain implants for the dental market. In consideration for Biomet’s exclusive distribution rights, Biomet agreed to the following: 1)

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payment to the Company of $13.0 million within ten days of the effective date (the “Upfront Payment”); 2) annual exclusivity fees (“Annual Exclusivity Fees”) paid annually as long as Biomet maintains exclusivity for the term of the contract to be paid at the beginning of each calendar year; and 3) annual purchase minimums to maintain exclusivity. Upon occurrence of an event that materially and adversely affects Biomet’s ability to distribute the implants, Biomet may be entitled to certain refund rights with respect to the then current Annual Exclusivity Fee, where such refund would be in an amount limited by a formula specified in this agreement that is based substantially on the occurrence’s effect on Biomet’s revenues. The Upfront Payment, the Annual Exclusivity Fees and the fees associated with distributions of processed tissue are considered to be a single performance obligation. Accordingly, the Upfront Payment and the Annual Exclusivity Fees are deferred as received and are being recognized as other revenues over the term of this distribution agreement based on the expected contractual annual purchase minimums relative to the total contractual minimum purchase requirements in this distribution agreement. Additionally, the Company considered the potential impact of this distribution agreement’s contractual refund provisions and does not expect these provisions to impact future expected revenue related to this distribution agreement.

Distribution Agreement with Davol—On July 13, 2009, the Company and Davol amended their previous distribution agreement with TMI for human dermis implants. Under the amended agreement: 1) Davol paid the Company $8,000 innon-refundable fees for exclusive distribution rights for the distribution to the breast reconstruction market until July 13, 2019; 2) the exclusive worldwide distribution agreement related to the hernia market was extended to July 13, 2019; and 3) Davol agreed to pay the Company certain additional exclusive distribution rights fees contingent upon the achievement of certain revenue milestones by Davol during the duration of the contract. In the fourth quarter of 2010, Davol paid the first revenue milestone payment of $3,500. Thenon-refundable fees and the fees associated with distributions of processed tissue are considered to be a single performance obligation. Accordingly, the $8,000 and $3,500 exclusivity payments were deferred and were being recognized as other revenues on a straight-line basis over the initial term of the amended contract of ten years, and the remaining term of the amended contract, respectively. Davol did not achieve certain revenue growth milestones which resulted in Davol relinquishing its exclusive distribution rights in the hernia market effective January 1, 2013 and in the breast reconstruction market effective January 1, 2015. As a result, the Company recognized additional deferred revenue as other revenues during the three months ended March 31, 2013 and 2015, of $1,715 and $1,500, respectively, due to the acceleration of deferred revenue recognition relating to Davol relinquishing its exclusive distribution rights in the hernia and the breast reconstruction markets. The remaining balance is being recognized as other revenues on a straight-line basis over the remaining term of the amended contract.

The Company’s aforementioned revenue recognition methods related to the Zimmer and Davol distribution agreements do not result in the deferral of revenue less than amounts that would be refundable in the event the agreements were to be terminated in future periods. Additionally, the Company evaluates the appropriateness of the aforementioned revenue recognition methods on an ongoing basis.

Leases—The Company leases certain facilities, items of office equipment and vehicles undernon-cancelable operating lease arrangements expiring on various dates beyond 2024. The facility leases generally contain renewal options and escalation clauses based upon increases in the lessors’ operating expenses and other charges. The Company anticipates that most of these leases will be renewed or replaced upon expiration. Rent expense for the years ended December 31, 2018, 2017, and 2016 was $1,300, $1,325 and $1,378, respectively, and is included as a component of marketing, general and administrative expenses.

Future minimum lease commitments undernon-cancelable operating leases as of December 31, 2018 are as follows:

	Operating Leases
2019	$	1,374
2020		806
2021		276
2022		162
2023		166
2024 and beyond		882
	$	3,666

23. Legal and Regulatory Actions

The Company is, from time to time, involved in litigation relating to claims arising out of its operations in the ordinary course of business. The Company believes that none of these claims that were outstanding as of December 31, 2018 will have a material adverse impact on its financial position or results of operations. The Company’s accounting policy is to accrue for legal costs as they are incurred.

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Coloplast — The Company is presently named asco-defendant along with other companies in a small percentage of the transvaginal surgical mesh (“TSM”) mass tort claims being brought in various state and federal courts. The TSM litigation has as its catalyst various Public Health Notifications issued by the FDA with respect to the placement of certain TSM implants that were the subject of 510k regulatory clearance prior to their distribution. The Company does not process or otherwise manufacture for distribution in the U.S. any implants that were the subject of these FDA Public Health Notifications. The Company denies any allegations against it and intends to continue to vigorously defend itself.

In addition to claims made directly against the Company, Coloplast, a distributor of TSM’s and certain allografts processed and private labeled for them under a contract with the Company, has also been named as a defendant in individual TSM cases in various federal and state courts. Coloplast requested that the Company indemnify or defend Coloplast in those claims which allege injuries caused by the Company’s allograft implants, and on April 24, 2014, Coloplast sued RTI Surgical, Inc. in the Fourth Judicial District of Minnesota for declaratory relief and breach of contract. On December 11, 2014, Coloplast entered into a settlement agreement with RTI Surgical, Inc. and Tutogen Medical, Inc. (the “Company Parties”) resulting in dismissal of the case. Under the terms of the settlement agreement, the Company Parties are responsible for the defense and indemnification of two categories of present and future claims: (1) tissue only (where Coloplast is solely the distributor of Company processed allograft tissue and no Coloplast-manufactured or distributed synthetic mesh is identified) (“Tissue Only Claims”), and (2) tissue plusnon-Coloplast synthetic mesh(“Tissue-Non-Coloplast Claims”) (the Tissue Only Claims and theTissue-Non-Coloplast Claims being collectively referred to as “Indemnified Claims”). As of December 31, 2018, there are a cumulative total of 1,148 Indemnified Claims for which the Company Parties are providing defense and indemnification. The defense and indemnification of these cases are covered under the Company’s insurance policy subject to a reservation of rights by the insurer.

Based on the current information available to the Company, the impact that current or any future TSM litigation may have on the Company cannot be reasonably estimated.

LifeNet — On June 27, 2018, LifeNet Health, Inc. (“LifeNet”) filed a patent infringement lawsuit in the United States District Court for the Middle District of Florida (since moved to the Northern District of Florida) claiming infringement of five of their patents by the Company. The suit requests damages, enhanced damages, reimbursement of costs and expenses, reasonable attorney fees, and an injunction. The asserted patents are now expired. The Company believes the suit is without merit and will vigorously defend its position.

map3^®—On September 30, 2014, the Company received a letter from the FDA regarding its map3^® cellular allogeneic bone graft. The letter addresses some technical aspects of the processing of the map3^® allograft, as well as language included on the Company’s website. Following the 2014 letter, the FDA conducted anon-site inspection of the Company’s Alachua, Florida facility in April 2017 to assess compliance of the manufacturing and quality controls for its map3^® allograft products with the 21 CFR Part 211 (GMP) regulations. A form 483 was issued by the FDA outlining 9 instances of observednon-compliance. The Company worked diligently to resolve all cited observations in a timely manner, however, on November 9, 2017, the FDA issued a warning letter to the Company related to the map3^® allograft. The letter reiterated the FDA’s concerns regarding the classification and manufacturing of the map3^® allograft. There was no requirement to cease production or to recall distributed allografts from the market.

During the second quarter of 2018 the Company, based on its ongoing dialogue with the FDA and the continued negative impact of the warning letter on map3^® distributions, reduced its forecasted distributions for map3^® allografts. The reduction in the forecasted distributions was considered an impairment triggering event for the related asset group under the guidance per ASC 360 – Property, Plant, and Equipment. As a result, the Company completed an asset group impairment test utilizing revised long-term forecasts and determined the carrying value was not recoverable. As a result of the valuation analysis, an impairment charge of $1,797 was recorded against property, plant and equipment, and an impairment charge of $2,718 was recorded against acquired licensing rights. Additionally, management performed an analysis to assess the amount of map3^® inventory which would more likely than not, not be distributed prior to the inventory’s expiring shelf life and should therefore be written down. Based on the analysis awrite-off of $6,559 was recorded which has been reflected within the Costs of processing and distribution line within the Consolidated Statement of Comprehensive (Loss) Income. The asset group impairment was also a trigger for goodwill impairment under ASC 350 – Intangibles – Goodwill and Other. No impairment charges were recorded as a result of the testing.

During the third quarter of 2018, the Company decided to stop procurement, manufacturing and distributing its map3^® implants effective October 31, 2018. The map3^® product has been either sold or destroyed and is now off the market.

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24. Segment Data

The Company distributes human tissue, bovine and porcine animal tissue, metal and synthetic implants through various distribution channels. The Company operates in one reportable segment composed of four lines of business. Effective January 1, 2018, the reporting of the Company’s lines of business is composed of four franchises or lines of business: spine; sports; OEM and international. The Company’s previous lines of business were composed of: spine; sports medicine and orthopedics; surgical specialties; cardiothoracic; international; and OEM. Effective January 1, 2018, the other revenues category is included in the OEM line of business. The prior year comparable revenue information has been restated to conform to the current year presentation. The Company believes that the change in the reporting of its lines of business is aligned with the Company’s focused strategy of reducing complexity and better understanding of its lines of business. Discrete financial information is not available for these four lines of business. The following table presents revenues from these four franchises and their respective percentages of the Company’s total revenues for the years ended December 31, 2018, 2017 and 2016:

	Year Ended December 31,
	2018				2017				2016
	(as restated)				(as restated)				(as restated)
	(In thousands)
Revenues:
Spine	$	79,812	28.4	%	$	77,646	27.6	%	$	74,086	26.9	%
Sports		54,560	19.5	%		57,070	20.4	%		54,629	19.8	%
OEM		120,024	42.8	%		111,506	39.8	%		111,013	40.2	%
International		25,966	9.3	%		25,964	9.3	%		25,109	9.1	%
Cardiothoracic		—	0.0	%		8,163	2.9	%		11,147	4.0	%
Total revenues	$	280,362	100.0	%	$	280,349	100.0	%	$	275,984	100.0	%

The following table presents property, plant and equipment—net by significant geographic location:

	December 31,
	2018		2017
Property, plant and equipment - net:
Domestic	$	72,501	$	73,363
International		5,453		6,201
Total	$	77,954	$	79,564

25. Quarterly Results of Operations (Unaudited)

The following tables sets forth the results of operations for the periods indicated (the quarterly results of operations for the year ended December 31, 2018 reflects our adoption of Financial Accounting Standards Board issued Accounting Standards Update (“ASU”)2014-09, Revenue from Contracts with Customers (Topic 606). We have not adjusted the quarterly results of operations for any other period or as of any other date presented. See Note 3, Revenue from Contracts with Customers.):

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	Year Ended December 31, 2018
	First			Second			Third		Fourth
	Quarter			Quarter			Quarter		Quarter
	(as restated)			(as restated)			(as restated)		(as restated)
Revenues	$	69,141		$	70,385		$	70,450	$	70,386
Gross profit		33,503			29,899			38,228		38,013
Net (loss) income		(1,117	)		(5,802	)		2,997		799
Net (loss) income per common share - basic	$	(0.03	)	$	(0.11	)	$	0.04	$	0.01
Net (loss) income per common share - diluted	$	(0.03	)	$	(0.11	)	$	0.04	$	0.01

	Year Ended December 31, 2017
	First			Second			Third		Fourth
	Quarter			Quarter			Quarter		Quarter
	(as restated)			(as restated)			(as restated)		(as restated)
Revenues	$	70,414		$	71,578		$	67,246	$	71,111
Gross profit		36,189			36,661			33,812		36,410
Net (loss) income		(1,877	)		(1,665	)		17,676		(7,228	)
Net (loss) income per common share - basic	$	(0.05	)	$	(0.04	)	$	0.28	$	(0.13	)
Net (loss) income per common share - diluted	$	(0.05	)	$	(0.04	)	$	0.23	$	(0.13	)

26. Subsequent Events

The Company evaluated subsequent events as of the issuance date of the consolidated financial statements as defined by FASB ASC 855Subsequent Events, and identified no subsequent events that require adjustment to, or disclosure of, in these consolidated financial statements.

27. Restatement of Prior Period Financial Statements

Subsequent to the original issuance of its consolidated financial statements, the Company identified certain errors in its historical annual consolidated financial statements, primarily related to the timing of the recognition of revenue for goods shipped early to customers without obtaining authorized approval.

Based on the results of the Investigation, the Company has concluded that revenue for certain invoices should have been recognized at a later date than when originally recognized. In response to binding purchase orders from certain OEM customers, goods were shipped and received by the customers before requested delivery dates and agreed-upon delivery windows. In many instances the OEM customers requested or approved the early shipments, but the Company has determined that on other occasions the goods were delivered early without request by the customer or obtaining the customers’ affirmative approval. In addition, the Company has concluded that in July 2017 an adjustment was improperly made to a product return provision in the Direct Division. The revenue for shipments with unapproved early delivery is being restated, as well as for other orders that shipped earlier than the purchase order due date in the system for which the Company could not locate evidence that the OEM customers had requested or approved the shipments. The Company has concluded that in the periods from 2015 through the fourth quarter of 2018, certain adjustments were improperly or erroneously made via manual journal entries to accrual/reserve accounts, including a July 2017 adjustment to a product return provision in the Direct Division, among others. Accordingly, the Company has restated its financial statements to correct these errors.

As such the restated audited financial statements for the years ended December 31, 2018, 2017 and 2016, and the unaudited financial statements for the quarterly periods within these years commencing with the first quarter of 2016, are defined as the “Restated Periods”.

In addition to the correction of the errors discussed above, the Company has also made other immaterial corrections in all periods presented. Such immaterial corrections reflected in the Restated Periods and, together with the other corrections described above, are referred to herein as “Current and Prior Period Adjustments.” The corrections are included in these financial statements contained herein, which we refer to herein collectively as the “Restatement”.

102

27. Restatement of Prior Period Financial Statements (Continued)

This Note 27 to the Company’s consolidated financial statements discloses the impact on the restated financial statements for the years ended December 31, 2018, 2017, and 2016 and the nature of the associated adjustments. The impact of the Restatement on interim periods in 2018, 2017, and 2016 is described in Note 28. The corrections included in the financial statements contained herein are further described below.

The corrections included in these financial statements contained herein, which we refer to herein collectively as the “Restatement,” were prepared following an independent review by the Audit Committee of the Company’s Board of Directors.

Impact of Restatement

The following errors in the Company’s annual financial statements were identified and corrected as a result of the Investigation and the Current and Prior Period Adjustments:

a. Revenue – As noted above, the Company has concluded that in some instances revenue for certain invoices should have been recognized at a later date than when originally recognized. Under both ASC 605 and ASC 606, revenue on sales to OEM customers is typically recognized at a point in time upon shipment. The Company identified revenue from certain customer orders that was shipped early to customers without obtaining authorized approval, and thus was recognized in an incorrect period. There were also instances in which the Company could not locate evidence that the OEM customers had requested or approved the shipments. Correction of these errors, when including the rollover effect from the immediately preceding periods, decreased revenue by $0.5 million in 2018, increased revenue by $0.8 million in 2017, and increased revenue by $3.1 million in 2016.

b. Costs of processing and distribution – Primarily as a result of the error corrections noted above, when including the rollover effect from the immediately preceding periods, costs of processing and distribution decreased by less than $0.1 million in 2018, increased by $0.2 million in 2017, and increased by $2.1 million in 2016.

c. Operating expenses – The Company corrected certain errors noted above, separate from the investigation which increased operating expenses by $1.3 million, less than $0.1 million and $0.6 million, as of December 31, 2018, 2017, and 2016, respectively.

d. Accounts receivable – Primarily as a result of the error corrections noted above relating to the timing of revenue recognition, accounts receivable decreased by $0.3 million, increased by $0.1 million, and decreased by $0.6 million, as of December 31, 2018, 2017, and 2016, respectively.

e. Inventories - net – Primarily as a result of the error corrections noted above relating to the timing of revenue recognition, inventories - net increased by $0.2 million, less than $0.1 million, and $0.3 million as of December 31, 2018, 2017, and 2016, respectively.

f. Prepaid and other current assets – The Company corrected certain errors noted above, separate from the investigation, which decreased prepaid and other current assets by $0.4 million, increased by $0.3 million, and decreased by less than $0.1 million, as of December 31, 2018, 2017, and 2016, respectively.

g. Property, plant and equipment – net – The Company corrected certain errors noted above, separate from the investigation, which increased property, plant and equipment – net by $0.1 million, as of December 31, 2016.

h. Deferred tax assets– The Company corrected certain errors noted above relating to the tax effects of changes to the timing of revenue recognition which increased deferred tax assets by $0.3 million, decreased by $0.1 million, and increased by $0.1 million as of December 31, 2018, 2017, and 2016, respectively.

i. Other intangible assets – net – The Company corrected certain errors, separate from the investigation, which decreased net other intangible assets - net by $0.8 million and $0.5 million as of December 31, 2018 and 2017, respectively, and increased other intangible assets - net by less than $0.1 million as of December 31, 2016.

103

j. Accounts payable – The Company corrected certain errors, separate from the investigation, which decreased accounts payable by $0.1 million as of December 31, 2018 and 2017, and by less than $0.1 million as of December 31, 2016.

k. Accrued expenses – The Company corrected certain errors noted above, separate from the investigation, which increased accrued expenses by $1.2 million, $0.1 million, and $0.4 million, as of December 31, 2018, 2017, and 2016, respectively.

l. Other long-term liabilities – As a result of the impact of the error corrections noted above, separate from the investigation, long-term liabilities increased by $0.4 million as of December 31, 2016.

m. Payments for treasury stock – The Company corrected certain errors, separate from the investigation, which reclassified operating cash flows to financing cash flows for purchases of treasury stock by $0.5 million and $3.3 million as of December 31, 2018 and 2017, respectively.

104

27. Restatement of Prior Period Financial Statements (Continued)

Restated Condensed Consolidated Balance Sheet Amounts (in thousands)

As of December 31, 2018	As Previously Reported			Adjustments			As Restated
Accounts receivable	$	48,351		$	(255)		$	48,096
Inventories - net		107,471			184			107,655
Prepaid and other current assets		8,791			(378	)		8,413
Total current assets		175,562			(449	)		175,113
Deferred tax assets - net		17,510			250			17,760
Other intangible assets - net		26,359			(802	)		25,557
Total assets	$	361,186		$	(1,001	)	$	360,185
Accounts payable	$	26,309		$	(90)		$	26,219
Accrued expenses		24,683			1,182			25,865
Total current liabilities		55,900			1,092			56,992
Total liabilities		111,336			1,092			112,428
Accumulated deficit		(237,444	)		(2,093	)		(239,537	)
Total stockholders’ equity		183,624			(2,093	)		181,531
Total liabilities and stockholders’ equity	$	361,186		$	(1,001	)	$	360,185

As of December 31, 2017	As Previously Reported			Adjustments			As Restated
Accounts receivable	$	35,081		$	117		$	35,198
Inventories - net		111,927			17			111,944
Prepaid and other current assets		16,285			341			16,626
Total current assets		185,674			475			186,149
Deferred tax assets - net		9,575			(120	)		9,455
Other intangible assets - net		23,070			(496	)		22,574
Total assets	$	345,906		$	(141	)	$	345,765
Accounts payable	$	18,252		$	(70)		$	18,182
Accrued expenses		25,610			149			25,759
Total current liabilities		52,998			79			53,077
Total liabilities		100,246			79			100,325
Accumulated deficit		(237,066	)		(220	)		(237,286	)
Total stockholders’ equity		181,737			(220	)		181,517
Total liabilities and stockholders’ equity	$	345,906		$	(141	)	$	345,765

105

27. Restatement of Prior Period Financial Statements (Continued)

Restated Condensed Consolidated Balance Sheet Amounts (in thousands)

As of December 31, 2016	As Previously Reported			Adjustments			As Restated
Accounts receivable	$	41,488		$	(551)		$	40,937
Inventories - net		119,743			251			119,994
Prepaid and other current assets		5,213			(34	)		5,179
Total current assets		180,293			(334	)		179,959
Property, plant and equipment - net		83,298			104			83,402
Deferred tax assets - net		24,968			124			25,092
Other intangible assets - net		23,994			30			24,024
Total assets	$	368,031		$	(76	)	$	367,955
Accounts payable	$	26,112		$	(34)		$	26,078
Accrued expenses		22,030			414			22,444
Total current liabilities		58,964			380			59,344
Other long-term liabilities		256			400			656
Total liabilities		143,099			780			143,879
Accumulated deficit		(243,338	)		(856	)		(244,194	)
Total stockholders’ equity		164,916			(856	)		164,060
Total liabilities and stockholders’ equity	$	368,031		$	(76	)	$	367,955

Restated Condensed Consolidated Statements of Income Amounts (in thousands), except per share data

Year Ended December 31, 2018	As Previously Reported			Adjustments			As Restated
Revenues	$	280,855		$	(493)		$	280,362
Costs of processing and distribution		140,732			(13	)		140,719
Gross profit		140,123			(480	)		139,643
Marketing, general and administrative		119,217			507			119,724
Severance and restructuring costs		2,280			528			2,808
Asset impairment and abandonments		4,774			296			5,070
Total operating expenses		142,624			1,331			143,955
Operating (loss)		(2,501	)		(1,811	)		(4,312	)
(Loss) before income tax benefit		(5,580	)		(1,811	)		(7,391	)
Income tax benefit		4,331			(63	)		4,268
Net (loss)		(1,249	)		(1,874	)		(3,123	)
Net (loss) applicable to common shares	$	(3,369	)	$	(1,874	)	$	(5,243	)
Comprehensive (loss) income	$	(4,310	)	$	(1,874	)	$	(6,184	)
Net (loss) per common share - basic	$	(0.05	)	$	(0.03	)	$	(0.08	)
Net (loss) per common share - diluted	$	(0.05	)	$	(0.03	)	$	(0.08	)

106

27. Restatement of Prior Period Financial Statements (Continued)

Restated Condensed Consolidated Statements of Income Amounts (in thousands), except per share data

Year Ended December 31, 2017	As Previously Reported			Adjustments			As Restated
Revenues	$	279,563		$	786		$	280,349
Costs of processing and distribution		137,042			235			137,277
Gross profit		142,521			551			143,072
Marketing, general and administrative		115,103			(94	)		115,009
Research and development		13,375			(60	)		13,315
Severance and restructuring costs		12,173			(157	)		12,016
Executive transition costs		2,781			37			2,818
Asset impairment and abandonments		3,739			295			4,034
Total operating expenses		113,711			21			113,732
Operating income		28,810			530			29,340
Income before income tax (provision)		25,725			530			26,255
Income tax (provision)		(19,453	)		104			(19,349	)
Net income		6,272			634			6,906
Net income applicable to common shares	$	2,549		$	634		$	3,183
Comprehensive income	$	4,536		$	634		$	5,170
Net income per common share - basic	$	0.04		$	0.01		$	0.05
Net income per common share - diluted	$	0.04		$	0.01		$	0.05

Year Ended December 31, 2016	As Previously Reported			Adjustments			As Restated
Revenues	$	272,865		$	3,119		$	275,984
Costs of processing and distribution		140,516			2,141			142,657
Gross profit		132,349			978			133,327
Marketing, general and administrative		116,125			541			116,666
Research and development		16,090			207			16,297
Asset impairment and abandonments		5,435			(194	)		5,241
Total operating expenses		148,030			554			148,584
Operating (loss)		(15,681	)		424			(15,257	)
Foreign exchange (loss) gain		(132	)		3			(129	)
Total other expense - net		(1,779	)		3			(1,776	)
(Loss) before income tax benefit		(17,460	)		427			(17,033	)
Income tax benefit		3,061			167			3,228
Net (loss)		(14,399	)		594			(13,805	)
Net (loss) applicable to common shares	$	(17,907	)	$	594		$	(17,313	)
Comprehensive (loss)	$	(19,181	)	$	594		$	(18,587	)
Net (loss) per common share - basic	$	(0.31	)	$	0.01		$	(0.30	)
Net (loss) per common share - diluted	$	(0.31	)	$	0.01		$	(0.30	)

107

27. Restatement of Prior Period Financial Statements (Continued)

Restated Condensed Consolidated Statements of Cash Flow Amounts (in thousands)

Year Ended December 31, 2018	As Previously Reported			Adjustments			As Restated
Cash flows from operating activities:
Net (loss)	$	(1,250	)	$	(1,873	)	$	(3,123	)
Depreciation and amortization expense		14,569			10			14,579
Provision for bad debts and product returns		1,195			526			1,721
Deferred income tax (benefit)		(4,322	)		(370	)		(4,692	)
Asset impairment and abandonments		4,774			296			5,070
Accounts receivable		(11,201	)		372			(10,829	)
Inventories		(11,790	)		(167	)		(11,957	)
Accounts payable		8,054			(19	)		8,035
Accrued expenses		(1,812	)		985			(827	)
Other operating assets and liabilities		3,318			718			4,036
Net cash provided by operating activities		16,774			478			17,252
Cash flows from financing activities
Payments for treasury stock		—			(478	)		(478	)
Net cash used in financing		—			(478	)		4,093
Year Ended December 31, 2017	As Previously Reported			Adjustments			As Restated
Cash flows from operating activities:
Net income	$	6,272		$	636		$	6,906
Depreciation and amortization expense		14,226			7			14,233
Deferred income tax provision		13,329			244			13,573
Asset impairment and abandonments		3,739			295			4,034
Accounts receivable		5,784			(668	)		5,116
Inventories		1,375			235			1,610
Accounts payable		(12,899	)		(37	)		(12,936	)
Accrued expenses		2,599			3,066			5,665
Other operating assets and liabilities		(10,200	)		(445	)		(10,645	)
Net cash provided by operating activities		2,455			3,333			5,788
Cash flows from financing activities
Payments for treasury stock		—			(3,474	)		(3,474	)
Other financing activities		(458	)		141			(317	)
Net cash used in financing		(32,398	)		(3,333	)		(35,731	)
Year Ended December 31, 2016	As Previously Reported			Adjustments			As Restated
Cash flows from operating activities:
Net (loss)	$	(14,399	)	$	594		$	(13,805	)
Depreciation and amortization expense		16,510			18			16,528
Deferred income tax (benefit)		(3,395	)		(97	)		(3,492	)
Asset impairment and abandonments		5,435			(194	)		5,241
Accounts receivable		4,756			(3,046	)		1,710
Inventories		(15,369	)		2,141			(13,228	)
Accounts payable		4,583			(34	)		4,549
Accrued expenses		(6,536	)		814			(5,722	)
Other operating assets and liabilities		7,637			(196	)		7,441
Net cash provided by operating activities		15,323			—			15,323

108

28. Restatement of Prior Period Quarterly Financial Statements (Unaudited)

As discussed in greater detail in Note 27—Restatement of Prior Period Financial Statements, the Company determined to restate its previously issued unaudited condensed consolidated financial statements for the quarterly periods within the years ended December 31, 2018, 2017 and 2016. The following tables summarize the impacts of the results on our previously reported condensed statements of operations and balances sheets included in our Quarterly Reports on Form10-Q for each respective period. Certain line items in the quarterly financial data below were excluded because they were not impacted by the Restatement.

Condensed Consolidated Balance Sheets (Unaudited)

	March 31, 2018			June 30, 2018			September 30, 2018
	(as restated)			(as restated)			(as restated)
Assets
Current Assets:
Cash and cash equivalents	$	13,812		$	14,246		$	10,022
Accounts receivable		41,781			44,238			44,189
Inventories - net		107,280			101,767			103,823
Prepaid and other current assets		16,314			8,149			8,313
Total current assets		179,187			168,400			166,347
Property, plant and equipment - net		79,150			76,838			77,344
Deferred tax assets - net		11,884			14,514			11,842
Goodwill		65,254			64,863			62,864
Other intangible assets - net		23,667			20,128			25,701
Other assets - net		1,806			1,838			5,150
Total assets	$	360,948		$	346,581		$	349,248
Liabilities and Stockholders’ Equity
Current Liabilities:
Accounts payable	$	14,670		$	14,727		$	19,212
Accrued expenses		23,687			23,787			22,163
Current portion of deferred revenue		4,944			5,020			4,990
Current portion of short and long-term obligations		4,268			—			—
Total current liabilities		47,569			43,534			46,365
Long-term obligations - less current portion		57,009			53,416			49,021
Other long-term liabilities		5,131			5,155			5,759
Deferred revenue		4,448			3,155			1,968
Total liabilities		114,157			105,260			103,113
Preferred stock Series A, $.001 par value: 5,000,000 shares authorized; 50,000 shares issued and outstanding		64,935			65,961			66,180
Stockholders’ equity:
Common stock, $.001 par value: 150,000,000 shares authorized; 63,401,208, 63,377,839, and 63,461,700 shares issued and outstanding, respectively		63			63			63
Additional paid-in capital		430,014			430,311			432,077
Accumulated other comprehensive loss		(5,936	)		(6,850	)		(6,980	)
Accumulated deficit		(237,532	)		(243,334	)		(240,336	)
Less treasury stock, 1,195,901, 1,213,009, and 1,221,180 shares, respectively, at cost		(4,753	)		(4,830	)		(4,869	)
Total stockholders’ equity		181,856			175,360			179,955
Total liabilities and stockholders’ equity	$	360,948		$	346,581		$	349,248

109

28. Restatement of Prior Period Quarterly Financial Statements (Unaudited) (Continued)

Condensed Consolidated Balance Sheets (Unaudited)

	March 31, 2017			June 30, 2017			September 30, 2017
	(as restated)			(as restated)			(as restated)
Assets
Current Assets:
Cash and cash equivalents	$	17,598		$	13,675		$	17,744
Accounts receivable		36,179			38,363			36,009
Inventories - net		117,578			117,199			114,737
Prepaid and other current assets		5,932			6,221			9,704
Assets held for sale		—			1,750			1,750
Total current assets		177,287			177,208			179,944
Property, plant and equipment - net		85,118			84,379			82,794
Deferred tax assets - net		25,918			24,862			18,437
Goodwill		54,887			54,887			46,242
Other intangible assets - net		24,458			23,893			23,704
Other assets - net		1,023			991			1,841
Total assets	$	368,691		$	366,220		$	352,962
Liabilities and Stockholders’ Equity
Current Liabilities:
Accounts payable	$	28,326		$	27,711		$	24,411
Accrued expenses		23,196			20,606			20,442
Current portion of deferred revenue		4,686			4,718			4,793
Current portion of short and long-term obligations		5,301			5,779			4,268
Total current liabilities		61,509			58,814			53,914
Long-term obligations - less current portion		75,813			74,360			45,643
Other long-term liabilities		655			1,241			2,544
Deferred revenue		7,394			6,176			4,959
Total liabilities		145,371			140,591			107,060
Preferred stock Series A, $.001 par value: 5,000,000 shares authorized; 50,000 shares issued and outstanding		60,972			61,941			62,925
Stockholders’ equity:
Common stock, $.001 par value: 150,000,000 shares authorized; 58,537,016 and 59,445,223, 60,544,896 shares issued and outstanding, respectively		58			59			59
Additional paid-in capital		417,414			419,324			420,503
Accumulated other comprehensive loss		(7,996	)		(6,903	)		(6,469	)
Accumulated deficit		(246,071	)		(247,735	)		(230,059	)
Less treasury stock, 410,396 shares, for each respective period, at cost		(1,057	)		(1,057	)		(1,057	)
Total stockholders’ equity		162,348			163,688			182,977
Total liabilities and stockholders’ equity	$	368,691		$	366,220		$	352,962

110

28. Restatement of Prior Period Quarterly Financial Statements (Unaudited) (Continued)

Condensed Consolidated Balance Sheets (Unaudited)

	March 31, 2016			June 30, 2016			September 30, 2016
	(as restated)			(as restated)			(as restated)
Assets
Current Assets:
Cash and cash equivalents	$	11,728		$	12,754		$	11,624
Accounts receivable		38,572			36,139			37,324
Inventories - net		124,363			121,635			125,418
Prepaid and other current assets		13,157			13,777			7,473
Total current assets		187,820			184,305			181,839
Property, plant and equipment - net		87,538			88,201			89,070
Deferred tax assets - net		21,931			21,939			21,348
Goodwill		54,887			54,887			54,887
Other intangible assets - net		26,235			25,672			25,640
Other assets - net		432			405			393
Total assets	$	378,843		$	375,409		$	373,177
Liabilities and Stockholders’ Equity
Current Liabilities:
Accounts payable	$	24,301		$	25,760		$	23,287
Accrued expenses		21,869			20,581			17,087
Current portion of deferred revenue		4,922			4,891			4,816
Current portion of short and long-term obligations		5,658			4,995			4,689
Total current liabilities		56,750			56,227			49,879
Long-term obligations - less current portion		72,290			72,173			78,720
Other long-term liabilities		510			527			395
Deferred revenue		10,081			8,896			7,754
Total liabilities		139,631			137,823			136,748
Preferred stock Series A, $.001 par value: 5,000,000 shares authorized; 50,000 shares issued and outstanding		57,227			58,143			59,073
Stockholders’ equity:
Common stock, $.001 par value: 150,000,000 shares authorized; 58,026,674, and 58,031,674, 57,417,397 shares issued and outstanding, respectively		58			58			58
Additional paid-in capital		417,308			416,999			418,166
Accumulated other comprehensive loss		(6,580	)		(7,136	)		(6,895	)
Accumulated deficit		(228,247	)		(229,924	)		(233,419	)
Less treasury stock, 259,443 shares, for each respective period, at cost		(554	)		(554	)		(554	)
Total stockholders’ equity		181,985			179,443			177,356
Total liabilities and stockholders’ equity	$	378,843		$	375,409		$	373,177

111

28. Restatement of Prior Period Quarterly Financial Statements (Unaudited) (Continued)

Condensed Consolidated Statements of Income (Unaudited)

	Three Months Ended March 31,
	2018			2017			2016
	(as restated)			(as restated)			(as restated)
Revenues	$	69,141		$	70,414		$	67,517
Costs of processing and distribution		35,638			34,225			31,814
Gross profit		33,503			36,189			35,703
Expenses:
Marketing, general and administrative		28,578			29,709			27,856
Research and development		3,421			3,688			4,161
Severance and restructuring costs		742			4,526			—
Asset impairment and abandonments		129			236			—
Acquisition and integration expenses		800			—			—
Total operating expenses		33,670			38,159			32,017
Operating (loss) income		(167	)		(1,970	)		3,686
Other (expense) income:
Interest expense		(835	)		(819	)		(361	)
Interest income		11			—			1
Foreign exchange gain		49			20			46
Total other expense - net		(775	)		(799	)		(314	)
(Loss) income before income tax (provision) benefit		(942	)		(2,769	)		3,372
Income tax (provision) benefit		(175	)		892			(1,232	)
Net (loss) income		(1,117	)		(1,877	)		2,140
Convertible preferred dividend		(966	)		(910	)		(858	)
Net (loss) income applicable to common shares	$	(2,083	)	$	(2,787	)	$	1,282
Other comprehensive (loss) income:
Unrealized foreign currency translation gain		393			320			462
Comprehensive (loss) income	$	(1,690	)	$	(2,467	)	$	1,744
Net (loss) income per common share - basic	$	(0.03	)	$	(0.05	)	$	0.02
Net (loss) income per common share - diluted	$	(0.03	)	$	(0.05	)	$	0.02

112

28. Restatement of Prior Period Quarterly Financial Statements (Unaudited) (Continued)

Condensed Consolidated Statements of Income (Unaudited)

	Six Months Ended June 30,
	2018			2017			2016
	(as restated)			(as restated)			(as restated)
Revenues	$	139,526		$	141,992		$	137,441
Costs of processing and distribution		76,124			69,142			66,789
Gross profit		63,402			72,850			70,652
Expenses:
Marketing, general and administrative		57,905			59,285			56,258
Research and development		6,691			7,428			8,245
Severance and restructuring costs		993			7,485			1,818
Contested proxy expenses		—			—			2,372
Asset impairment and abandonments		4,644			236			—
Acquisition and integration expenses		800			—			—
Total operating expenses		71,033			74,434			68,693
Operating (loss) income		(7,631	)		(1,584	)		1,959
Other (expense) income:
Interest expense		(1,612	)		(1,734	)		(753	)
Interest income		17			—			7
Loss on extinguishment of debt		(309	)		—			—
Foreign exchange (loss) gain		(22	)		(55	)		8
Total other expense—net		(1,926	)		(1,789	)		(738	)
(Loss) income before income tax benefit (provision)		(9,557	)		(3,373	)		1,221
Income tax benefit (provision)		2,638			(169	)		(758	)
Net (loss) income		(6,919	)		(3,542	)		463
Convertible preferred dividend		(1,947	)		(1,834	)		(1,728	)
Net (loss) applicable to common shares	$	(8,866	)	$	(5,376	)	$	(1,265	)
Other comprehensive (loss) income:
Unrealized foreign currency translation (loss) gain		(521	)		1,413			(94	)
Comprehensive (loss) income	$	(9,387	)	$	(3,963	)	$	(1,359	)
Net (loss) income per common share—basic	$	(0.14	)	$	(0.09	)	$	(0.02	)
Net (loss) income per common share—diluted	$	(0.14	)	$	(0.09	)	$	(0.02	)

113

28. Restatement of Prior Period Quarterly Financial Statements (Unaudited) (Continued)

Condensed Consolidated Statements of Income (Unaudited)

	Nine Months Ended September 30,
	2018			2017			2016
	(as restated)			(as restated)			(as restated)
Revenues	$	209,976		$	209,238		$	203,923
Costs of processing and distribution		108,346			102,576			99,195
Gross profit		101,630			106,662			104,728
Expenses:
Marketing, general and administrative		87,576			86,963			85,032
Research and development		10,297			10,169			12,034
Severance and restructuring costs		1,987			10,376			2,146
Strategic review costs		—			—			650
Executive transition costs		—			—			4,107
Contested proxy expenses		—			—			2,372
Asset impairment and abandonments		4,748			236			—
Acquisition and integration expenses		2,741			—			—
Cardiothoracic closure business divestiture contingency consideration		(3,000	)		—			—
Gain on cardiothoracic closure business divestiture		—			(34,090	)		—
Total operating expenses		104,349			73,564			106,341
Operating (loss) income		(2,719	)		33,008			(1,613	)
Other (expense) income:
Interest expense		(2,223	)		(2,475	)		(1,061	)
Interest income		31			—			8
Loss on extinguishment of debt		(309	)		—			—
Foreign exchange (loss) gain		(23	)		5			(59	)
Total other expense—net		(2,524	)		(2,470	)		(1,112	)
(Loss) income before income tax (provision) benefit		(5,243	)		30,538			(2,725	)
Income tax benefit (provision)		1,321			(16,404	)		(308	)
Net (loss) income		(3,922	)		14,134			(3,033	)
Convertible preferred dividend		(2,120	)		(2,772	)		(2,611	)
Net (loss) income applicable to common shares	$	(6,042	)	$	11,362		$	(5,644	)
Other comprehensive (loss) income:
Unrealized foreign currency translation (loss) gain		(651	)		1,847			147
Comprehensive (loss) income	$	(6,693	)	$	13,209		$	(5,497	)
Net (loss) income per common share—basic	$	(0.10	)	$	0.19		$	(0.10	)
Net (loss) income per common share—diluted	$	(0.10	)	$	0.19		$	(0.10	)

114

28. Restatement of Prior Period Quarterly Financial Statements (Unaudited) (Continued)

Condensed Consolidated Statements of Income (Unaudited)

	Three Months Ended June 30,
	2018			2017			2016
	(as restated)			(as restated)			(as restated)
Revenues	$	70,385		$	71,578		$	69,924
Costs of processing and distribution		40,486			34,917			34,975
Gross profit		29,899			36,661			34,949
Expenses:
Marketing, general and administrative		29,327			29,576			28,402
Research and development		3,270			3,740			4,084
Severance and restructuring costs		251			2,959			1,818
Contested proxy expenses		—			—			2,372
Asset impairment and abandonments		4,515			—			—
Total operating expenses		37,363			36,275			36,676
Operating (loss) income		(7,464	)		386			(1,727	)
Other (expense) income:
Interest expense		(777	)		(915	)		(392	)
Interest income		6			—			6
Loss on extinguishment of debt		(309	)		—			—
Foreign exchange (loss)		(71	)		(75	)		(38	)
Total other expense—net		(1,151	)		(990	)		(424	)
(Loss) before income tax benefit (provision)		(8,615	)		(604	)		(2,151	)
Income tax benefit (provision)		2,813			(1,061	)		474
Net (loss) income applicable to common shares		(5,802	)		(1,665	)		(1,677	)
Convertible preferred dividend		(981	)		(924	)		(870	)
Net (loss) applicable to common shares	$	(6,783	)	$	(2,589	)	$	(2,547	)
Other comprehensive (loss):
Unrealized foreign currency translation (loss) gain		(914	)		1,093			(556	)
Comprehensive (loss)	$	(7,697	)	$	(1,496	)	$	(3,103	)
Net (loss) per common share—basic	$	(0.11	)	$	(0.04	)	$	(0.04	)
Net (loss) per common share—diluted	$	(0.11	)	$	(0.04	)	$	(0.04	)

115

28. Restatement of Prior Period Quarterly Financial Statements (Unaudited) (Continued)

Condensed Consolidated Statements of Income (Unaudited)

	Three Months Ended September 30,
	2018			2017			2016
	(as restated)			(as restated)			(as restated)
Revenues	$	70,450		$	67,246		$	66,482
Costs of processing and distribution		32,222			33,434			32,406
Gross profit		38,228			33,812			34,076
Expenses:
Marketing, general and administrative		29,671			27,678			28,774
Research and development		3,606			2,741			3,789
Severance and restructuring costs		994			2,891			328
Strategic review costs		—			—			650
Executive transition costs		—			—			4,107
Asset impairment and abandonments		104			—			—
Acquisition and integration expenses		1,941			—			—
Cardiothoracic closure business divestiture contingency consideration		(3,000	)		—			—
Gain on cardiothoracic closure business divestiture		—			(34,090	)		—
Total operating expenses		33,316			(780	)		37,648
Operating income		4,912			34,592			(3,572	)
Other (expense) income:
Interest expense		(611	)		(741	)		(308	)
Interest income		14			—			1
Foreign exchange (loss) gain		(1	)		60			(67	)
Total other expense—net		(598	)		(681	)		(374	)
Income (loss) before income tax (provision) benefit		4,314			33,911			(3,946	)
Income tax (provision) benefit		(1,317	)		(16,235	)		450
Net income (loss)		2,997			17,676			(3,496	)
Convertible preferred dividend		(173	)		(938	)		(883	)
Net income (loss) applicable to common shares	$	2,824		$	16,738		$	(4,379	)
Other comprehensive income (loss):
Unrealized foreign currency translation (loss) gain		(130	)		434			241
Comprehensive income (loss)	$	2,694		$	17,172		$	(4,138	)
Net income (loss) per common share—basic	$	0.04		$	0.28		$	(0.08	)
Net income (loss) per common share—diluted	$	0.04		$	0.23		$	(0.08	)

116

28. Restatement of Prior Period Quarterly Financial Statements (Unaudited) (Continued)

Condensed Consolidated Statements of Cash Flows Amounts (Unaudited)

	For the Three Months Ended March 31,
	2018			2017				2016
	(as restated)			(as restated)				(as restated)
Cash flows from operating activities:
Net (loss) income	$	(1,117	)	$	(1,877	)		$	2,139
Adjustments to reconcile net loss to net cash
(used in) provided by operating activities:
Depreciation and amortization expense		3,584			3,568				4,310
Provision for bad debts and product returns		149			344				304
Provision for inventory write-downs		2,641			1,789				945
Amortization of deferred revenue		(1,217	)		(1,274	)			(1,217	)
Deferred income tax (benefit) provision		(112	)		(989	)			357
Stock-based compensation		1,280			834				500
Asset impairment and abandonments		—			236				—
Other		409			114				168
Change in assets and liabilities:
Accounts receivable		(3,182	)		4,468				4,903
Inventories		1,557			799				(3,843	)
Accounts payable		(3,513	)		108				2,764
Accrued expenses		(2,866	)		702				(7,076	)
Deferred revenue		2,000			2,000				2,000
Other operating assets and liabilities		(699	)		(1,245	)			169
Net cash (used in) provided by operating activities		(1,086	)		9,577		��		6,423
Cash flows from investing activities:
Purchases of property, plant and equipment		(2,118	)		(3,283	)			(4,637	)
Patent and acquired intangible asset costs		(330	)		(319	)			(1,196	)
Acquisition of Zyga Technology		(21,000	)		—				—
Net cash used in investing activities		(23,448	)		(3,602	)			(5,833	)
Cash flows from financing activities:
Proceeds from exercise of common stock options		1,394			108				—
Proceeds from long-term obligations		20,000			2,000				3,000
Net (payments) on short-term obligations		—			—				(249	)
Payments on long-term obligations		(5,125	)		(4,250	)			(4,133	)
Payments for treasury stock		(363	)		—				—
Other financing activities		—			(142	)			(108	)
Net cash provided by (used in) financing activities		15,906			(2,284	)			(1,490	)
Effect of exchange rate changes on cash and cash equivalents		59			58				14
Net (decrease) increase in cash and cash equivalents		(8,569	)		3,749				(886	)
Cash and cash equivalents, beginning of period		22,381			13,849				12,614
Cash and cash equivalents, end of period	$	13,812		$	17,598			$	11,728
Supplemental cash flow disclosure:
Cash paid for interest	$	600		$	1,458			$	393
Cash paid for income taxes, net of refunds		—			—				38
Non-cash acquisition of property, plant and equipment		157			2,234				1,586
Increase in accrual for dividend payable		966			910				858

117

28. Restatement of Prior Period Quarterly Financial Statements (Unaudited) (Continued)

Condensed Consolidated Statements of Cash Flows Amounts (Unaudited)

	For the Six Months Ended June 30,
	2018			2017			2016
	(as restated)			(as restated)			(as restated)
Cash flows from operating activities:
Net (loss) income	$	(6,919	)	$	(3,541	)	$	462
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization expense		7,068			7,129			8,694
Provision for bad debts and product returns		494			560			495
Provision for inventory write-downs		10,865			3,753			2,370
Amortization of deferred revenue		(2,435	)		(2,460	)		(2,434	)
Deferred income tax (benefit) provision		(2,856	)		(431	)		210
Stock-based compensation		2,570			2,248			1,100
Asset impairment and abandonments		4,644			236			—
Other		610			873			264
Change in assets and liabilities:
Accounts receivable		(6,185	)		2,313			7,066
Inventories		(1,139	)		(8	)		(2,780	)
Accounts payable		(3,803	)		998			4,495
Accrued expenses		(2,429	)		(2,142	)		(8,318	)
Deferred revenue		2,000			2,000			2,000
Other operating assets and liabilities		7,333			(915	)		(415	)
Net cash provided by operating activities		9,818			10,613			13,209
Cash flows from investing activities:
Purchases of property, plant and equipment		(3,856	)		(7,160	)		(9,403	)
Patent and acquired intangible asset costs		(728	)		(1,845	)		(1,391	)
Acquisition of Zyga Technology		(21,000	)		—			—
Net cash (used in) investing activities		(25,584	)		(9,005	)		(10,794	)
Cash flows from financing activities:
Proceeds from exercise of common stock options		1,429			1,575			14
Proceeds from long-term obligations		74,425			4,000			7,000
Net (payments) on short-term obligations		—			—			(849	)
Payments on long-term obligations		(66,750	)		(7,375	)		(8,299	)
Payments for treasury stock		(440	)		—			—
Other financing activities		(1,026	)		(142	)		(108	)
Net cash provided by (used in) financing activities		7,638			(1,942	)		(2,242	)
Effect of exchange rate changes on cash and cash equivalents		(7	)		160			(33	)
Net (decrease) increase in cash and cash equivalents		(8,135	)		(174	)		140
Cash and cash equivalents, beginning of period		22,381			13,849			12,614
Cash and cash equivalents, end of period	$	14,246		$	13,675		$	12,754
Supplemental cash flow disclosure:
Cash paid for interest	$	1,974		$	2,303		$	789
Cash paid for income taxes, net of refunds		6,698			32			176
Non-cash acquisition of property, plant and equipment		676			879			1,257
Increase in accrual for dividend payable		1,947			1,834			1,728

118

28. Restatement of Prior Period Quarterly Financial Statements (Unaudited) (Continued)

Condensed Consolidated Statements of Cash Flows Amounts (Unaudited)

	For the Nine Months Ended September 30,
	2018			2017			2016
	(as restated)			(as restated)			(as restated)
Cash flows from operating activities:
Net (loss) income	$	(3,922	)	$	14,135		$	(3,033	)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization expense		10,794			10,704			13,087
Provision for bad debts and product returns		845			816			946
Provision for inventory write-downs		12,906			4,488			4,422
Amortization of deferred revenue		(3,652	)		(3,601	)		(3,650	)
Deferred income tax (benefit) provision		(1,300	)		5,542			599
Stock-based compensation		3,650			4,011			3,075
Asset impairment and abandonments		4,748			236			—
Cardiothoracic closure business divestiture contingency consideration		(3,000	)		—			—
Gain on cardiothoracic closure business divestiture		—			(34,090	)		—
Other		728			1,475			580
Change in assets and liabilities:
Accounts receivable		(6,518	)		4,397			5,463
Inventories		(5,758	)		(749	)		(8,511	)
Accounts payable		826			(5,727	)		1,095
Accrued expenses		(4,046	)		(2,566	)		(11,610	)
Deferred revenue		2,000			2,000			2,000
Other operating assets and liabilities		3,184			(3,929	)		5,571
Net cash provided by (used in) operating activities		11,485			(2,858	)		10,034
Cash flows from investing activities:
Purchases of property, plant and equipment		(7,106	)		(10,358	)		(12,774	)
Patent and acquired intangible asset costs		(2,798	)		(2,124	)		(2,195	)
Acquisition of Zyga Technology		(21,000	)		—			—
Cardiothoracic closure business divestiture		3,000			51,000			—
Net cash (used in) provided by investing activities		(27,904	)		38,518			(14,969	)
Cash flows from financing activities:
Proceeds from exercise of common stock options		2,334			1,872			14
Proceeds from long-term obligations		74,425			6,000			15,000
Net (payments) on short-term obligations		—			—			(1,511	)
Payments on long-term obligations		(71,171	)		(39,375	)		(9,424	)
Payments for treasury stock		(478	)		—			—
Other financing activities		(1,035	)		(457	)		(108	)
Net cash provided by (used in) financing activities		4,075			(31,960	)		3,971
Effect of exchange rate changes on cash and cash equivalents		(15	)		195			(26	)
Net (decrease) increase in cash and cash equivalents		(12,359	)		3,895			(990	)
Cash and cash equivalents, beginning of period		22,381			13,849			12,614
Cash and cash equivalents, end of period	$	10,022		$	17,744		$	11,624
Supplemental cash flow disclosure:
Cash paid for interest	$	2,517		$	2,632		$	1,224
Cash paid for income taxes, net of refunds		(6,659	)		12,032			282
Non-cash acquisition of property, plant and equipment		471			498			1,445
Stock-based compensation related to sale of CT business		—			102			—
Increase in accrual for dividend payable		2,120			2,772			2,611

119

28. Restatement of Prior Period Quarterly Financial Statements (Unaudited) (Continued)

Restated Consolidated Balance Sheet Amounts (Unaudited)

	As of March 31, 2018
	As Previously Reported			Adjustments			As Restated
Accounts receivable	$	41,594		$	187		$	41,781
Inventories—net		106,694			586			107,280
Prepaid and other current assets		16,192			122			16,314
Total current assets		178,292			895			179,187
Deferred tax assets—net		11,929			(45	)		11,884
Other intangible assets—net		24,163			(496	)		23,667
Total assets	$	360,594		$	354		$	360,948
Accounts payable	$	14,740		$	(70	)	$	14,670
Accrued expenses		22,890			797			23,687
Total current liabilities		46,842			727			47,569
Total liabilities		113,430			727			114,157
Accumulated deficit		(237,159	)		(373	)		(237,532	)
Total stockholders’ equity		182,229			(373	)		181,856
Total liabilities and stockholders’ equity	$	360,594		$	354		$	360,948

	As of June 30, 2018
	As Previously Reported			Adjustments			As Restated
Accounts receivable	$	45,576		$	(1,338	)	$	44,238
Inventories—net		101,022			745			101,767
Prepaid and other current assets		8,038			111			8,149
Total current assets		168,882			(482	)		168,400
Deferred tax assets—net		14,448			66			14,514
Other intangible assets—net		20,624			(496	)		20,128
Total assets	$	347,493		$	(912	)	$	346,581
Accounts payable	$	14,797		$	(70	)	$	14,727
Accrued expenses		23,914			(127	)		23,787
Total current liabilities		43,731			(197	)		43,534
Total liabilities		105,457			(197	)		105,260
Accumulated deficit		(242,619	)		(715	)		(243,334	)
Total stockholders’ equity		176,075			(715	)		175,360
Total liabilities and stockholders’ equity	$	347,493		$	(912	)	$	346,581

120

28. Restatement of Prior Period Quarterly Financial Statements (Unaudited) (Continued)

Restated Consolidated Balance Sheet Amounts (Unaudited)

	As of September 30, 2018
	As Previously Reported			Adjustments			As Restated
Accounts receivable	$	44,141		$	48		$	44,189
Inventories—net		103,891			(68	)		103,823
Prepaid and other current assets		8,613			(300	)		8,313
Total current assets		166,667			(320	)		166,347
Deferred tax assets—net		11,875			(33	)		11,842
Other intangible assets—net		26,197			(496	)		25,701
Total assets	$	350,097		$	(849	)	$	349,248
Accounts payable	$	19,282		$	(70	)	$	19,212
Accrued expenses		22,121			42			22,163
Total current liabilities		46,393			(28	)		46,365
Total liabilities		103,141			(28	)		103,113
Accumulated deficit		(239,515	)		(821	)		(240,336	)
Total stockholders’ equity		180,776			(821	)		179,955
Total liabilities and stockholders’ equity	$	350,097		$	(849	)	$	349,248

	As of March 31, 2017
	As Previously Reported			Adjustments			As Restated
Accounts receivable	$	36,294		$	(115	)	$	36,179
Inventories—net		117,392			186			117,578
Prepaid and other current assets		5,888			44			5,932
Total current assets		177,172			115			177,287
Deferred tax assets—net		25,889			29			25,918
Other intangible assets—net		24,560			(102	)		24,458
Total assets	$	368,649		$	42		$	368,691
Accounts payable	$	28,360		$	(34	)	$	28,326
Accrued expenses		22,659			537			23,196
Total current liabilities		61,006			503			61,509
Other long-term liabilities		255			400			655
Total liabilities		144,468			903			145,371
Accumulated deficit		(245,210	)		(861	)		(246,071	)
Total stockholders’ equity		163,209			(861	)		162,348
Total liabilities and stockholders’ equity	$	368,649		$	42		$	368,691

121

28. Restatement of Prior Period Quarterly Financial Statements (Unaudited) (Continued)

Restated Consolidated Balance Sheet Amounts (Unaudited)

	As of June 30, 2017
	As Previously Reported			Adjustments			As Restated
Accounts receivable	$	39,099		$	(736	)	$	38,363
Inventories—net		116,773			426			117,199
Prepaid and other current assets		6,177			44			6,221
Total current assets		177,474			(266	)		177,208
Deferred tax assets—net		24,868			(6	)		24,862
Other intangible assets—net		23,995			(102	)		23,893
Total assets	$	366,594		$	(374	)	$	366,220
Accounts payable	$	27,745		$	(34	)	$	27,711
Accrued expenses		20,950			(344	)		20,606
Total current liabilities		59,192			(378	)		58,814
Other long-term liabilities		841			400			1,241
Total liabilities		140,569			22			140,591
Accumulated deficit		(246,899	)		(836	)		(247,735	)
Common stock and additional paid-in capital, less treasury stock		417,886			440			418,326
Total stockholders’ equity		164,084			(396	)		163,688
Total liabilities and stockholders’ equity	$	366,594		$	(374	)	$	366,220

	As of September 30, 2017
	As Previously Reported			Adjustments			As Restated
Accounts receivable	$	36,188		$	(179	)	$	36,009
Inventories—net		114,568			169			114,737
Prepaid and other current assets		9,806			(102	)		9,704
Total current assets		180,056			(112	)		179,944
Deferred tax assets—net		18,543			(106	)		18,437
Other intangible assets—net		23,806			(102	)		23,704
Total assets	$	353,282		$	(320	)	$	352,962
Accounts payable	$	24,445		$	(34	)	$	24,411
Accrued expenses		20,482			(40	)		20,442
Total current liabilities		53,988			(74	)		53,914
Other long-term liabilities		2,144			400			2,544
Total liabilities		106,734			326			107,060
Accumulated deficit		(229,413	)		(646	)		(230,059	)
Total stockholders’ equity		183,623			(646	)		182,977
Total liabilities and stockholders’ equity	$	353,282		$	(320	)	$	352,962

122

28. Restatement of Prior Period Quarterly Financial Statements (Unaudited) (Continued)

Restated Consolidated Balance Sheet Amounts (Unaudited)

	As of March 31, 2016
	As Previously Reported			Adjustments			As Restated
Accounts receivable	$	42,000		$	(3,428	)	$	38,572
Inventories - net		122,459			1,904			124,363
Total current assets		189,344			(1,524	)		187,820
Deferred tax assets - net		21,847			84			21,931
Other intangible assets - net		26,277			(42	)		26,235
Total assets	$	380,325		$	(1,482	)	$	378,843
Accrued expenses	$	21,642		$	227		$	21,869
Total current liabilities		56,523			227			56,750
Total liabilities		139,404			227			139,631
Accumulated deficit		(226,538	)		(1,709	)		(228,247	)
Total stockholders’ equity		183,694			(1,709	)		181,985
Total liabilities and stockholders’ equity	$	380,325		$	(1,482	)	$	378,843

	As of June 30, 2016
	As Previously Reported			Adjustments			As Restated
Accounts receivable	$	37,263		$	(1,124	)	$	36,139
Inventories - net		121,035			600			121,635
Total current assets		184,829			(524	)		184,305
Deferred tax assets - net		22,240			(301	)		21,939
Other intangible assets - net		25,714			(42	)		25,672
Total assets	$	376,276		$	(867	)	$	375,409
Accrued expenses	$	20,354		$	227		$	20,581
Total current liabilities		56,000			227			56,227
Total liabilities		137,596			227			137,823
Accumulated deficit		(228,830	)		(1,094	)		(229,924	)
Total stockholders’ equity		180,537			(1,094	)		179,443
Total liabilities and stockholders’ equity	$	376,276		$	(867	)	$	375,409

123

28. Restatement of Prior Period Quarterly Financial Statements (Unaudited) (Continued)

Restated Consolidated Balance Sheet Amounts (Unaudited)

	As of September 30, 2016
	As Previously Reported			Adjustments			As Restated
Accounts receivable	$	38,512		$	(1,188	)	$	37,324
Inventories - net		125,250			168			125,418
Prepaid and other current assets		7,437			36			7,473
Total current assets		182,823			(984	)		181,839
Deferred tax assets - net		21,555			(207	)		21,348
Other intangible assets - net		25,682			(42	)		25,640
Total assets	$	374,410		$	(1,233	)	$	373,177
Accrued expenses	$	17,337		$	(250	)	$	17,087
Total current liabilities		50,129			(250	)		49,879
Total liabilities		136,998			(250	)		136,748
Accumulated deficit		(232,436	)		(983	)		(233,419	)
Total stockholders’ equity		178,339			(983	)		177,356
Total liabilities and stockholders’ equity	$	374,410		$	(1,233	)	$	373,177

Restated and Revised Consolidated Statements of Income Amounts (Unaudited)

	Three Months Ended March 31, 2018
	(as reported)			(adjustments)			(as restated)
Revenues	$	69,890		$	(749	)	$	69,141
Costs of processing and distribution		36,208			(570	)		35,638
Gross profit		33,682			(179	)		33,503
Marketing, general and administrative		28,389			189			28,578
Severance and restructuring costs		884			(142	)		742
Total operating expenses		33,623			47			33,670
Operating income (loss)		59			(226	)		(167	)
(Loss) before income tax (provision)		(716	)		(226	)		(942	)
Income tax (provision)		(249	)		74			(175	)
Net (loss) income applicable to common shares		(965	)		(152	)		(1,117	)
Comprehensive (loss)	$	(1,538	)	$	(152	)	$	(1,690	)
Net (loss) per common share - basic	$	(0.03	)	$	(0.00	)	$	(0.03	)
Net (loss) per common share - diluted	$	(0.03	)	$	(0.00	)	$	(0.03	)

124

28. Restatement of Prior Period Quarterly Financial Statements (Unaudited) (Continued)

Restated and Revised Consolidated Statements of Income Amounts (Unaudited)

	Three Months Ended March 31, 2017
	(as reported)			(adjustments)			(as restated)
Revenues	$	69,939		$	475		$	70,414
Costs of processing and distribution		34,160			65			34,225
Gross profit		35,779			410			36,189
Marketing, general and administrative		29,671			38			29,709
Severance and restructuring costs		4,403			123			4,526
Asset impairment and abandonments		—			236			236
Total operating expenses		37,762			397			38,159
Operating (loss)		(1,983	)		13			(1,970	)
(Loss) before income tax benefit		(2,782	)		13			(2,769	)
Income tax benefit		910			(18	)		892
Net (loss)		(1,872	)		(5	)		(1,877	)
Comprehensive (loss)	$	(2,462	)	$	(5	)	$	(2,467	)
Net (loss) per common share - basic	$	(0.05	)	$	(0.00	)	$	(0.05	)
Net (loss) per common share - diluted	$	(0.05	)	$	(0.00	)	$	(0.05	)

	Three Months Ended March 31, 2016
	(as reported)			(adjustments)			(as restated)
Revenues	$	67,351		$	166		$	67,517
Costs of processing and distribution		31,326			488			31,814
Gross profit		36,025			(322	)		35,703
Marketing, general and administrative		27,860			(4	)		27,856
Total operating expenses		32,021			(4	)		32,017
Operating income		4,004			(318	)		3,686
Income (loss) before income tax (provision)		3,690			(318	)		3,372
Income tax (provision)		(1,289	)		57			(1,232	)
Net income		2,401			(261	)		2,140
Comprehensive income	$	2,005		$	(261	)	$	1,744
Net income per common share - basic	$	0.03		$	(0.01	)	$	0.02
Net income per common share - diluted	$	0.03		$	(0.01	)	$	0.02

125

28. Restatement of Prior Period Quarterly Financial Statements (Unaudited) (Continued)

Restated and Revised Consolidated Statements of Income Amounts (Unaudited)

	Six Months Ended June 30, 2018
	(as reported)			(adjustments)			(as restated)
Revenues	$	140,575		$	(1,049	)	$	139,526
Costs of processing and distribution		76,853			(729	)		76,124
Gross profit		63,722			(320	)		63,402
Marketing, general and administrative		57,655			250			57,905
Severance and restructuring costs		884			109			993
Total operating expenses		70,674			359			71,033
Operating (loss)		(6,952	)		(679	)		(7,631	)
(Loss) before income tax benefit		(8,878	)		(679	)		(9,557	)
Income tax benefit		2,453			185			2,638
Net (loss)		(6,425	)		(494	)		(6,919	)
Comprehensive (loss)	$	(8,893	)	$	(494	)	$	(9,387	)
Net (loss) per common share - basic	$	(0.13	)	$	(0.01	)	$	(0.14	)
Net (loss) per common share - diluted	$	(0.13	)	$	(0.01	)	$	(0.14	)

	Six Months Ended June 30, 2017
	(as reported)			(adjustments)			(as restated)
Revenues	$	142,059		$	(67	)	$	141,992
Costs of processing and distribution		69,317			(175	)		69,142
Gross profit		72,742			108			72,850
Marketing, general and administrative		59,167			118			59,285
Severance and restructuring costs		7,803			(318	)		7,485
Asset impairment and abandonments		—			236			236
Total operating expenses		74,398			36			74,434
Operating (loss)		(1,656	)		72			(1,584	)
(Loss) before income tax (provision)		(3,445	)		72			(3,373	)
Income tax (provision)		(116	)		(53	)		(169	)
Net (loss)		(3,561	)		19			(3,542	)
Comprehensive (loss)	$	(3,982	)	$	19		$	(3,963	)
Net (loss) per common share - basic	$	(0.09	)	$	0.00		$	(0.09	)
Net (loss) per common share - diluted	$	(0.09	)	$	0.00		$	(0.09	)

126

28. Restatement of Prior Period Quarterly Financial Statements (Unaudited) (Continued)

Restated and Revised Consolidated Statements of Income Amounts (Unaudited)

	Six Months Ended June 30, 2016
	(as reported)			(adjustments)			(as restated)
Revenues	$	134,971		$	2,470		$	137,441
Costs of processing and distribution		64,997			1,792			66,789
Gross profit		69,974			678			70,652
Marketing, general and administrative		55,954			(4	)		55,950
Total operating expenses		68,697			(4	)		68,693
Operating income		1,277			682			1,959
Income (loss) before income tax (provision)		539			682			1,221
Income tax (provision)		(430	)		(328	)		(758	)
Net income		109			354			463
Comprehensive (loss)	$	(1,713	)	$	354		$	(1,359	)
Net (loss) per common share - basic	$	(0.03	)	$	0.01		$	(0.02	)
Net (loss) per common share - diluted	$	(0.03	)	$	0.01		$	(0.02	)

	Nine Months Ended September 30, 2018
	(as reported)			(adjustments)			(as restated)
Revenues	$	209,639		$	337		$	209,976
Costs of processing and distribution		108,262			84			108,346
Gross profit		101,377			253			101,630
Marketing, general and administrative		87,326			250			87,576
Severance and restructuring costs		1,708			279			1,987
Total operating expenses		103,820			529			104,349
Operating (loss)		(2,443	)		(276	)		(2,719	)
(Loss) before income tax benefit		(4,967	)		(276	)		(5,243	)
Income tax benefit (provision)		1,646			(325	)		1,321
Net (loss)		(3,321	)		(601	)		(3,922	)
Comprehensive (loss)	$	(6,092	)	$	(601	)	$	(6,693	)
Net (loss) per common share - basic	$	(0.09	)	$	(0.01	)	$	(0.10	)
Net (loss) per common share - diluted	$	(0.09	)	$	(0.01	)	$	(0.10	)

127

28. Restatement of Prior Period Quarterly Financial Statements (Unaudited) (Continued)

Restated and Revised Consolidated Statements of Income Amounts (Unaudited)

	Nine Months Ended September 30, 2017
	(as reported)			(adjustments)			(as restated)
Revenues	$	208,747		$	491		$	209,238
Costs of processing and distribution		102,494			82			102,576
Gross profit		106,253			409			106,662
Marketing, general and administrative		86,845			118			86,963
Research and development		10,229			(60	)		10,169
Severance and restructuring costs		10,623			(247	)		10,376
Asset impairment and abandonments		—			236			236
Total operating expenses		73,607			47			73,654
Operating income		32,646			362			33,008
Income before income tax (provision)		30,176			362			30,538
Income tax (provision)		(16,251	)		(153	)		(16,404	)
Net income		13,925			209			14,134
Comprehensive income	$	13,000		$	209		$	13,209
Net income per common share - basic	$	0.19		$	0.00		$	0.19
Net income per common share - diluted	$	0.19		$	0.00		$	0.19

	Nine Months Ended September 30, 2016
	(as reported)			(adjustments)			(as restated)
Revenues	$	201,518		$	2,405		$	203,923
Costs of processing and distribution		97,270			1,925			99,195
Gross profit		104,248			480			104,728
Marketing, general and administrative		84,678			46			84,724
Total operating expenses		106,295			46			106,341
Operating (loss)		(2,047	)		434			(1,613	)
(Loss) before income tax (provision)		(3,159	)		434			(2,725	)
Income tax (provision)		(338	)		30			(308	)
Net (loss)		(3,497	)		464			(3,033	)
Comprehensive (loss)	$	(5,961	)	$	464		$	(5,497	)
Net (loss) per common share - basic	$	(0.10	)	$	(0.00	)	$	(0.10	)
Net (loss) per common share - diluted	$	(0.10	)	$	(0.00	)	$	(0.10	)

128

28. Restatement of Prior Period Quarterly Financial Statements (Unaudited) (Continued)

Restated and Revised Consolidated Statements of Income Amounts (Unaudited)

	Three Months Ended June 30, 2018
	(as reported)			(adjustments)			(as restated)
Revenues	$	70,685		$	(300	)	$	70,385
Costs of processing and distribution		40,645			(159	)		40,486
Gross profit		30,040			(141	)		29,899
Marketing, general and administrative		29,266			61			29,327
Severance and restructuring costs		—			251			251
Total operating expenses		37,051			312			37,363
Operating (loss)		(7,011	)		(453	)		(7,464	)
(Loss) before income tax benefit		(8,162	)		(453	)		(8,615	)
Income tax benefit		2,702			111			2,813
Net (loss)		(5,460	)		(342	)		(5,802	)
Comprehensive (loss)	$	(7,355	)	$	(342	)	$	(7,697	)
Net (loss) per common share - basic	$	(0.10	)	$	(0.01	)	$	(0.11	)
Net (loss) per common share - diluted	$	(0.10	)	$	(0.01	)	$	(0.11	)

	Three Months Ended June 30, 2017
	(as reported)			(adjustments)			(as restated)
Revenues	$	72,120		$	(542	)	$	71,578
Costs of processing and distribution		35,157			(240	)		34,917
Gross profit		36,963			(302	)		36,661
Marketing, general and administrative		29,496			80			29,576
Severance and restructuring costs		3,400			(441	)		2,959
Total operating expenses		36,636			(361	)		36,275
Operating (loss)		327			59			386
(Loss) before income tax (provision)		(663	)		59			(604	)
Income tax (provision)		(1,026	)		(35	)		(1,061	)
Net (loss)		(1,689	)		24			(1,665	)
Comprehensive (loss)	$	(1,520	)	$	24		$	(1,496	)
Net (loss) per common share - basic	$	(0.04	)	$	0.00		$	(0.04	)
Net (loss) per common share - diluted	$	(0.04	)	$	0.00		$	(0.04	)

129

28. Restatement of Prior Period Quarterly Financial Statements (Unaudited) (Continued)

Restated and Revised Consolidated Statements of Income Amounts (Unaudited)

	Three Months Ended June 30, 2016
	(as reported)			(adjustments)			(as restated)
Revenues	$	67,620		$	2,304		$	69,924
Costs of processing and distribution		33,671			1,304			34,975
Gross profit		33,949			1,000			34,949
Operating (loss)		(2,727	)		1,000			(1,727	)
(Loss) income before income tax benefit		(3,151	)		1,000			(2,151	)
Income tax benefit		859			(385	)		474
Net (loss)		(2,292	)		615			(1,677	)
Comprehensive (loss)	$	(3,718	)	$	615		$	(3,103	)
Net (loss) per common share - basic	$	(0.05	)	$	0.01		$	(0.04	)
Net (loss) per common share - diluted	$	(0.05	)	$	0.01		$	(0.04	)

	Three Months Ended September 30, 2018
	(as reported)			(adjustments)			(as restated)
Revenues	$	69,064		$	1,386		$	70,450
Costs of processing and distribution		31,409			813			32,222
Gross profit		37,655			573			38,228
Severance and restructuring costs		824			170			994
Total operating expenses		33,146			170			33,316
Operating income		4,509			403			4,912
Income (loss) before income tax (provision)		3,911			403			4,314
Income tax (provision)		(807	)		(510	)		(1,317	)
Net income		3,104			(107	)		2,997
Comprehensive income	$	2,801		$	(107	)	$	2,694
Net income per common share - basic	$	0.05		$	(0.01	)	$	0.04
Net income per common share - diluted	$	0.04		$	(0.00	)	$	0.04

130

28. Restatement of Prior Period Quarterly Financial Statements (Unaudited) (Continued)

Restated and Revised Consolidated Statements of Income Amounts (Unaudited)

	Three Months Ended September 30, 2017
	(as reported)			(adjustments)			(as restated)
Revenues	$	66,688		$	558		$	67,246
Costs of processing and distribution		33,177			257			33,434
Gross profit		33,511			301			33,812
Research and development		2,801			(60	)		2,741
Severance and restructuring costs		2,820			71			2,891
Total operating expenses		(791	)		11			(780	)
Operating income		34,302			290			34,592
Income before income tax (provision)		33,621			290			33,911
Income tax benefit (provision)		(16,135	)		(100	)		(16,235	)
Net income		17,486			190			17,676
Comprehensive income	$	16,982		$	190		$	17,172
Net income per common share - basic	$	0.28		$	0.00		$	0.28
Net income per common share - diluted	$	0.23		$	0.00		$	0.23

	Three Months Ended September 30, 2016
	(as reported)			(adjustments)			(as restated)
Revenues	$	66,547		$	(65	)	$	66,482
Costs of processing and distribution		32,273			133			32,406
Gross profit		34,274			(198	)		34,076
Marketing, general and administrative		28,724			50			28,774
Total operating expenses		37,598			50			37,648
Operating (loss)		(3,324	)		(248	)		(3,572	)
(Loss) before income tax benefit		(3,698	)		(248	)		(3,946	)
Income tax benefit		92			358			450
Net (loss)		(3,606	)		110			(3,496	)
Comprehensive (loss)	$	(4,248	)	$	110		$	(4,138	)
Net (loss) per common share - basic	$	(0.08	)	$	0.00		$	(0.08	)
Net (loss) per common share - diluted	$	(0.08	)	$	0.00		$	(0.08	)

Restated and Revised Consolidated Statement of Cash Flows Amounts (Unaudited)

	For the Three Months Ended March 31, 2018
	As Previously Reported			Adjustments			As Restated
Cash flows from operating activities:
Net (loss)	$	(965	)		(152	)	$	(1,117	)
Deferred income tax (benefit)		(38	)		(74	)		(112	)
Accounts receivable		(3,112	)		(70	)		(3,182	)
Inventories		2,127			(570	)		1,557
Accrued expenses		(3,877	)		1,011			(2,866	)
Other operating assets and liabilities		(917	)		218			(699	)
Net cash (used in) operating activities		(1,449	)		363			(1,086	)
Cash flows from financing activities
Payments for treasury stock		—			(363	)		(363	)
Net cash used by financing activities		16,269			(363	)		15,906

131

28. Restatement of Prior Period Quarterly Financial Statements (Unaudited) (Continued)

Restated and Revised Consolidated Statement of Cash Flows Amounts (Unaudited)

	For the Three Months Ended March 31, 2017
	As Previously Reported			Adjustments			As Restated
Cash flows from operating activities:
Net (loss)	$	(1,872	)	$	(5	)	$	(1,877	)
Deferred income tax (benefit)		(1,085	)		96			(989	)
Asset impairment and abandonments		—			236			236
Accounts receivable		4,905			(437	)		4,468
Inventories		734			65			799
Accrued expenses		579			123			702
Other operating assets and liabilities		(1,167	)		(78	)		(1,245	)
Net cash provided by operating activities		9,577			—			9,577

	For the Three Months Ended March 31, 2016
	As Previously Reported			Adjustments			As Restated
Cash flows from operating activities:
Net income	$	2,401		$	(262	)	$	2,139
Deferred income tax (benefit)		413			(56	)		357
Accounts receivable		5,073			(170	)		4,903
Inventories		(4,331	)		488			(3,843	)
Net cash provided by operating activities		6,423			—			6,423

	For the Six Months Ended June 30, 2018
	As Previously Reported			Adjustments			As Restated
Cash flows from operating activities:
Net (loss)	$	(6,425	)	$	(494	)	$	(6,919	)
Deferred income tax (benefit)		(2,671	)		(185	)		(2,856	)
Accounts receivable		(7,640	)		1,455			(6,185	)
Inventories		(411	)		(728	)		(1,139	)
Accrued expenses		(2,592	)		163			(2,429	)
Other operating assets and liabilities		7,104			229			7,333
Net cash provided by operating activities		9,378			440			9,818
Cash flows from financing activities
Payments for treasury stock		—			(440	)		(440	)
Net cash used by financing activities		8,078			(440	)		7,638

132

28. Restatement of Prior Period Quarterly Financial Statements (Unaudited) (Continued)

Restated and Revised Consolidated Statement of Cash Flows Amounts (Unaudited)

	For the Six Months Ended June 30, 2017
	As Previously Reported			Adjustments			As Restated
Cash flows from operating activities:
Net (loss)	$	(3,561	)	$	20		$	(3,541	)
Deferred income tax (benefit)		(561	)		130			(431	)
Stock-based compensation		1,808			440			2,248
Asset impairment and abandonments		—			236			236
Accounts receivable		2,128			185			2,313
Inventories		167			(175	)		(8	)
Accrued expenses		(1,384	)		(758	)		(2,142	)
Other operating assets and liabilities		(837	)		(78	)		(915	)
Net cash provided by operating activities		10,613			—			10,613

	For the Six Months Ended June 30, 2016
	As Previously Reported			Adjustments			As Restated
Cash flows from operating activities:
Net income	$	109		$	353		$	462
Deferred income tax (benefit)		(119	)		329			210
Accounts receivable		9,540			(2,474	)		7,066
Inventories		(4,572	)		1,792			(2,780	)
Net cash provided by operating activities		13,209			—			13,209

	For the Nine Months Ended September 30, 2018
	As Previously Reported			Adjustments			As Restated
Cash flows from operating activities:
Net income	$	(3,321	)	$	(601	)	$	(3,922	)
Deferred income tax (benefit)		(1,214	)		(86	)		(1,300	)
Accounts receivable		(6,587	)		69			(6,518	)
Inventories		(5,843	)		85			(5,758	)
Accrued expenses		(4,417	)		371			(4,046	)
Other operating assets and liabilities		2,544			640			3,184
Net cash provided by operating activities		11,007			478			11,485
Cash flows from financing activities:
Payments for treasury stock		—			(478	)		(478	)
Net cash used in financing		4,553			(478	)		4,075

133

28. Restatement of Prior Period Quarterly Financial Statements (Unaudited) (Continued)

Restated and Revised Consolidated Statement of Cash Flows Amounts (Unaudited)

	For the Nine Months Ended September 30, 2017
	As Previously Reported			Adjustments			As Restated
Cash flows from operating activities:
Net income	$	13,925		$	210		$	14,135
Deferred income tax (benefit)		5,312			230			5,542
Asset impairment and abandonments		—			236			236
Accounts receivable		4,770			(373	)		4,397
Inventories		(831	)		82			(749	)
Accrued expenses		(2,112	)		(454	)		(2,566	)
Other operating assets and liabilities		(3,998	)		69			(3,929	)
Net cash (used in) operating activities		(2,858	)		—			(2,858	)

	For the Nine Months Ended September 30, 2016
	As Previously Reported			Adjustments			As Restated
Cash flows from operating activities:
Net (loss)	$	(3,497	)	$	464		$	(3,033	)
Deferred income tax (provision)		366			233			599
Accounts receivable		7,872			(2,409	)		5,463
Inventories		(10,736	)		2,225			(8,511	)
Accrued expenses		(11,360	)		(250	)		(11,610	)
Other operating assets and liabilities		5,834			(263	)		5,571
Net cash provided by operating activities		10,034			—			10,034

134

RTI SURGICAL HOLDINGS, INC. (F/K/A RTI SURGICAL, INC.) AND SUBSIDIARIES

Schedule II

Valuation and Qualifying Accounts

Years Ended December 31, 2018, 2017 and 2016

(Dollars in thousands)

Description	Balance at Beginning of Period		Charged to Costs and Expenses		Deductions- Write-offs, Payments			Balance at End of Period
	(as restated)		(as restated)		(as restated)			(as restated)
For the year ended December 31, 2018:
Allowance for doubtful accounts	$	1,731	$	1,105	$	176		$	2,660
Allowance for product returns		795		616		703			708
Allowance for excess and obsolescence		8,102		15,122		7,871			15,353
Deferred tax asset valuation allowance		7,258		2,368		6,533			3,093
For the year ended December 31, 2017:
Allowance for doubtful accounts		1,870		536		675			1,731
Allowance for product returns		582		410		197			795
Allowance for excess and obsolescence		14,798		5,066		11,762			8,102
Deferred tax asset valuation allowance		4,916		1,668		(674	)		7,258
For the year ended December 31, 2016:
Allowance for doubtful accounts		1,454		787		371			1,870
Allowance for product returns		714		108		240			582
Allowance for excess and obsolescence		7,083		13,880		6,165			14,798
Deferred tax asset valuation allowance		1,106		3,833		23			4916

135

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

June 8, 2020	RTI SURGICAL HOLDINGS, INC.
	By:	/s/ Camille I. Farhat
		Camille I. Farhat
		President and Chief Executive Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.

Signature	Title	Date
/s/ Camille I. Farhat Camille I. Farhat	President and Chief Executive Officer (Principal Executive Officer) and Director	June 8, 2020
/s/ Jonathon M. Singer Jonathon M. Singer	Chief Financial and Administrative Officer (Principal Financial and Chief Accounting Officer)	June 8, 2020
/s/ Ryan M. Bartolucci Ryan M. Bartolucci	Vice President and Chief Accounting Officer (Principal Accounting Officer)	June 8, 2020
/s/ Curt M. Selquist Curt M. Selquist	Chairman	June 8, 2020
/s/ Thomas A. McEachin Thomas A. McEachin	Director	June 8, 2020
Stuart F. Simpson	Director
/s/ Mark D. Stolper Mark D. Stolper	Director	June 8, 2020
/s/ Christopher R. Sweeney Christopher R. Sweeney	Director	June 8, 2020
/s/ Paul G. Thomas Paul G. Thomas	Director	June 8, 2020
/s/ Nicholas J. Valeriani Nicholas J. Valeriani	Director	June 8, 2020
/s/ Shirley A. Weis Shirley A. Weis	Director	June 8, 2020