UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM10-K

For the fiscal year ended December 31, 20152016

or

For the transition period from                    to                    

Commission file number0-23976

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code: (540)465-9121

Securities registered pursuant to Section 12(b) of the Act: None

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

Common Stock, $1.25 par value

(Title of class)

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

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  x☒

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  x☒    No  ¨☐

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Website, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of RegulationS-T (§232.405 of this Chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  x☒    No  ¨☐

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of RegulationS-K (§229.405 of this Chapter) 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 or any amendment to thisForm 10-K.  ¨☐

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

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

The aggregate market value of the voting andnon-voting common equity held bynon-affiliates computed by reference to the closing sales price on June 30, 20152016 was $40,630,238.$39,525,026.

The number of outstanding shares of common stock as of March 30, 201629, 2017 was 4,924,539.4,940,766.

DOCUMENTS INCORPORATED BY REFERENCE

Proxy Statement for the 20162017 Annual Meeting of Shareholders – Part III

TABLE OF CONTENTS

Part I

Cautionary Statement Regarding Forward-Looking Statements

First National Corporation (the Company) makes forward-looking statements in this Form10-K that are subject to risks and uncertainties. These forward-looking statements include statements regarding profitability, liquidity, adequacy of capital, allowance for loan losses, interest rate sensitivity, market risk, growth strategy and financial and other goals. The words “believes,” “expects,” “may,” “will,” “should,” “projects,” “contemplates,” “anticipates,” “forecasts,” “intends,” or other similar words or terms are intended to identify forward-looking statements. These forward-looking statements are subject to significant uncertainties because they are based upon or are affected by factors including:

Because of these and other uncertainties, actual future results may be materially different from the results indicated by these forward-looking statements. In addition, past results of operations do not necessarily indicate future results.

Item 1. Business

General

First National Corporation (the Company) is a bank holding company incorporated under Virginia law on September 7, 1983. The Company owns all of the stock of its primary operating subsidiary, First Bank (the Bank), which is a commercial bank chartered under Virginia law. The Company’s subsidiaries are:

First Bank Financial Services, Inc. invests in entities that provide title insurance and investment services. Shen-Valley Land Holdings, LLC was formed to hold other real estate owned and future office sites. The Trusts were formed for the purpose of issuing redeemable capital securities, commonly known as trust preferred securities and are not included in the Company’s consolidated financial statements.statements in accordance with authoritative accounting guidance because management has determined that the Trusts qualify as variable interest entities.

The Bank first opened for business on July 1, 1907 under the name The Peoples National Bank of Strasburg. On January 10, 1928, the Bank changed its name to The First National Bank of Strasburg. On April 12, 1994, the Bank received approval from the Federal Reserve Bank of Richmond (the Federal Reserve) and the Virginia State Corporation Commission’s Bureau of Financial Institutions to convert to a state chartered bank with membership in the Federal Reserve System. On June 1, 1994, the Bank consummated such conversion and changed its name to First Bank.

Access to Filings

The Company’s internet address is www.fbvirginia.com.www.fbvirginia.com. The Company’s Annual Reports on Form10-K, Quarterly Reports onForm 10-Q and Current Reports on Form8-K, and amendments to those reports, as filed with or furnished to the Securities and Exchange Commission (the SEC), are available free of charge atwww.fbvirginia.com as soon as reasonably practicable after being filed with or furnished to the SEC. A copy of any of the Company’s filings will be sent, without charge, to any shareholder upon written request to: M. Shane Bell, Chief Financial Officer, at 112 West King Street, Strasburg, Virginia 22657.

Products and Services

The Bank provides loan, deposit, wealth management and other products and services in the Shenandoah Valley and central regions of Virginia. Loan products and services include personal loans, residential mortgages, home equity loans and commercial loans. Deposit products and services include checking, savings, money market accounts, individual retirement accounts, certificates of deposit and cash management accounts.

The Bank’s wealth management department offers estate planning, investment management of assets, trustee under an agreement, trustee under a will, individual retirement accounts, and estate settlement. The Bank launched aBank’s mortgage department during the second quarter of 2014. The mortgage department began originatingoriginates residential mortgage loans to customers in the third quarter of 2014.customers. Loans originated through this department may be sold to investors in the secondary market or held in the Bank’s loan portfolio. Mortgage services are offered to customers throughout the Bank’s market area.

The Bank’s office locations are well-positioned in attractive markets along the Interstate 81, Interstate 66, and Interstate 64 corridors in the Shenandoah Valley and central regions of Virginia. Within this market area, there are various types of industry including medical and professional services, manufacturing, retail, government contracting and higher education. Customers include individuals, small andmedium-sized businesses, local governmental entities andnon-profit organizations.

The Bank’s products and services are delivered through its mobile banking platform, its website,www.fbvirginia.com, a network of ATMs located throughout its market area, two loan production offices, a customer service center in a retirement village, and 1514 bank branch office locations located throughout the Shenandoah Valley and central regions of Virginia. The branch offices are comprised of 13 full service retail banking offices and twoone drive-thru express banking offices.office. For the location and general character of each of these offices, see Item 2 of this Form10-K.

Competition

The financial services industry remains highly competitive and is constantly evolving. The Company experiences strong competition in all aspects of its business. In its market areas, the Company competes with large national and regional financial institutions, credit unions, other independent community banks, as well as consumer finance companies, mortgage companies, loan production offices, mutual funds and life insurance companies. Competition for deposits and loans is affected by various factors including interest rates offered, the number and location of branches and types of products offered, and the reputation of the institution. Credit unions have been allowed to increasingly expand their membership definitions and, because they enjoy a favorable tax status, may be able to offer more attractive loan and deposit pricing.

The Company believes its competitive advantages include long-term customer relationships, local management and directors, a commitment to excellent customer service, dedicated and loyal employees, and the support of and involvement in the communities that the Company serves. The Company focuses on providing products and services to individuals, small tomedium-sized businesses,non-profit organizations, and local governmental entities within its communities. The Company’s

primary operating subsidiary, First Bank, generally has a strong deposit market share of the markets it serves. According to Federal Deposit Insurance Corporation (FDIC) deposit data as of June 30, 2015,2016, the Bank was ranked third overall in its market area with 11.45%11.09% of the total deposit market.

No material part of the business of the Company is dependent upon a single or a few customers, and the loss of any single customer would not have a materially adverse effect upon the business of the Company.

Employees

At December 31, 2015,2016, the Bank employed a total of 187153 full-time equivalent employees. The Company considers relations with its employees to be excellent.

SUPERVISION AND REGULATION

Bank holding companies and banks are extensively and increasingly regulated under both federal and state laws. The following description briefly addresses certain historic and current provisions of federal and state laws and certain regulations, proposed regulations, and the potential impacts on the Company and the Bank. To the extent statutory or regulatory provisions or proposals are described in this report, the description is qualified in its entirety by reference to the particular statutory or regulatory provisions or proposals.

Regulatory Reform – The Dodd-Frank Act

The Dodd-Frank Wall Street Reform and Consumer Protection Act (the Dodd-Frank Act), enacted in 2010, implemented and continues to implement significant changes to the regulation of the financial services industry, including provisions that, among other things:

The Dodd-Frank Act amends the Bank Holding Company Act of 1956, as amended (the BHCA) to require the federal financial regulatory agencies to adopt rules that prohibit banks and their affiliates from engaging in proprietary trading and investing in and sponsoring certain unregistered investment companies (defined as hedge funds and private equity funds). The statutory provision is commonly called the “Volcker Rule”. The Federal Reserve Board issued final rules implementing the Volcker Rule on December 10, 2013. The Volcker Rule became effective on July 21, 2012 and the final rules were effective April 1, 2014, but the Federal Reserve Board issued an order extending the period during which institutions have to conform their activities and investments to the requirements of the Volcker Rule to July 21, 2017. We do not currently anticipate that the Volcker Rule will have a material effect on the operations of the holding company or the Bank, as we generally do not engage in activities or hold investments impacted by the Volcker Rule.

Many aspects of the Dodd-Frank Act still remain subject to rulemaking by various regulatory agencies and willcould take effect over several years, making it difficult to anticipate the overall financial impact on the Company, its customers or the financial

industry more generally. The changes resulting from the Dodd-Frank Act may affect the profitability of business activities, require changes to certain business practices, impose more stringent capital requirements, liquidity and leverage ratio requirements, or otherwise adversely affect the business of the Company and the Bank. These changes may also require the Company to invest significant management attention and resources to evaluate and make necessary changes to comply with new statutory and regulatory requirements.

Future Legislation and Regulation

Congress may enact legislation from time to time that affects the regulation of the financial services industry, and state legislatures may enact legislation from time to time affecting the regulation of financial institutions chartered by or operating in those states. Federal and state regulatory agencies also periodically propose and adopt changes to their regulations or change the manner in which existing regulations are applied. The substance or impact of pending or future legislation or regulation, or the application thereof, cannot be predicted, although enactment of any proposed legislation could impact the regulatory structure under which the Company and the Bank operate and may significantly increase costs, impede the efficiency of internal business processes, require an increase in regulatory capital, require modifications to business strategy, and limit the ability to pursue business opportunities in an efficient manner. A change in statutes, regulations or regulatory policies applicable to the Company or the Bank could have a material, adverse effect on the business, financial condition and results of operations of the Company and the Bank.

At this time, it is difficult to predict the legislative and regulatory changes that will result from the combination of a new President of the United States and the first year since 2010 in which both Houses of Congress and the White House have majority memberships from the same political party. In recent years, however, both the new President and senior members of the House of Representatives have advocated for significant reduction of financial services regulation, to include amendments to the Dodd-Frank Act and structural changes to the CFPB. The new administration and Congress also may cause broader economic changes due to changes in governing ideology and governing style. Future legislation, regulation, government policy, and potential litigation could affect the banking industry as a whole, including the business and results of operations of the Company and the Bank, in ways that are difficult to predict.

The Company

General. As a bank holding company registered under the BHCA, the Company is subject to supervision, regulation, and examination by the Federal Reserve. The Company is also registered under the bank holding company laws of Virginia and is subject to supervision, regulation, and examination by the Virginia State Corporation Commission (the SCC).

PermittedActivities. A bank holding company is limited to managing or controlling banks, furnishing services to or performing services for its subsidiaries, and engaging in other activities that the Federal Reserve determines by regulation or order to be so closely related to banking or managing or controlling banks as to be a proper incident thereto. In determining whether a particular activity is permissible, the Federal Reserve must consider whether the performance of such an activity reasonably can be expected to produce benefits to the public that outweigh possible adverse effects. Possible benefits include greater convenience, increased competition, and gains in efficiency. Possible adverse effects include undue concentration of resources, decreased or unfair competition, conflicts of interest, and unsound banking practices. Despite prior approval, the Federal Reserve may order a bank holding company or its subsidiaries to terminate any activity or to terminate ownership or control of any subsidiary when the Federal Reserve has reasonable cause to believe that a serious risk to the financial safety, soundness or stability of any bank subsidiary of that bank holding company may result from such an activity.

BankingAcquisitions;ChangesinControl. The BHCA requires, among other things, the prior approval of the Federal Reserve in any case where a bank holding company proposes to (i) acquire direct or indirect ownership or control of more than 5% of the outstanding voting stock of any bank or bank holding company (unless it already owns a majority of such voting shares), (ii) acquire all or substantially all of the assets of another bank or bank holding company, or (iii) merge or consolidate with any other bank holding company. In determining whether to approve a proposed bank acquisition, the Federal Reserve will consider, among other factors, the effect of the acquisition on competition, the public benefits expected to be received from the acquisition, the projected capital ratios and levels on a post-acquisition basis, and the acquiring institution’s performance under the Community Reinvestment Act of 1977 (the CRA).

Subject to certain exceptions, the BHCA and the Change in Bank Control Act, together with the applicable regulations, require Federal Reserve approval (or, depending on the circumstances, no notice of disapproval) prior to any person or company’s acquiring “control” of a bank or bank holding company. A conclusive presumption of control exists if an individual or company acquires the power, directly or indirectly, to direct the management or policies of an insured

depository institution or to vote 25% or more of any class of voting securities of any insured depository institution. A rebuttable presumption of control exists if a person or company acquires 10% or more but less than 25% of any class of voting securities of an insured depository institution and either the institution has registered securities under Section 12 of the Securities Exchange Act of 1934 (the Exchange Act) or no other person will own a greater percentage of that class of voting securities immediately after the acquisition. The Company’s common stock is registered under Section 12 of the Exchange Act.

SourceofStrength. Federal Reserve policy has historically required bank holding companies to act as a source of financial and managerial strength to their subsidiary banks. The Dodd-Frank Act codified this policy as a statutory requirement. The federal bank regulatory agencies must still issue regulations to implement the source of strength provisions of the Dodd-Frank Act. Under this requirement, the Company is expected to commit resources to support the Bank, including at times when the Company may not be in a financial position to provide such resources. Any capital loans by a bank holding company to any of its subsidiary banks are subordinate in right of payment to depositors and to certain other indebtedness of such subsidiary banks. In the event of a bank holding company’s bankruptcy, any commitment by the bank holding company to a federal bank regulatory agency to maintain the capital of a subsidiary bank will be assumed by the bankruptcy trustee and entitled to priority of payment.

SafetyandSoundness. There are a number of obligations and restrictions imposed on bank holding companies and their subsidiary banks by law and regulatory policy that are designed to minimize potential loss to the depositors of such depository institutions and the Federal Deposit Insurance Corporation (the FDIC) insurance fund in the event of a depository institution default. For example, under the Federal Deposit Insurance Company Improvement Act of 1991, to avoid receivership of an insured depository institution subsidiary, a bank holding company is required to guarantee the compliance of any subsidiary bank that may become “undercapitalized” with the terms of any capital restoration plan filed by such subsidiary with its appropriate federal bank regulatory agency up to the lesser of (i) an amount equal to 5% of the

institution’s total assets at the time the institution became undercapitalized, or (ii) the amount that is necessary (or would have been necessary) to bring the institution into compliance with all applicable capital standards as of the time the institution fails to comply with such capital restoration plan.

Under the Federal Deposit Insurance Act (the FDIA), the federal bank regulatory agencies have adopted guidelines prescribing safety and soundness standards. These guidelines establish general standards relating to internal controls and information systems, internal audit systems, loan documentation, credit underwriting, interest rate exposure, asset growth and compensation, fees and benefits. In general, the guidelines require, among other things, appropriate systems and practices to identify and manage the risk and exposures specified in the guidelines.

CapitalRequirements. The Federal Reserve imposes certain capital requirements on bank holding companies under the BHCA, including a minimum leverage ratio and a minimum ratio of “qualifying” capital to risk-weighted assets. These requirements are described below under “The Bank-Capital Requirements”. Subject to its capital requirements and certain other restrictions, the Company is able to borrow money to make a capital contribution to the Bank, and such loans may be repaid from dividends paid by the Bank to the Company.

LimitsonDividendsandOtherPayments. The Company is a legal entity, separate and distinct from its subsidiaries. A significant portion of the revenues of the Company result from dividends paid to it by the Bank. There are various legal limitations applicable to the payment of dividends by the Bank to the Company and to the payment of dividends by the Company to its shareholders. The Bank is subject to various statutory restrictions on its ability to pay dividends to the Company. Under the current supervisory practices of the Bank’s regulatory agencies, prior approval from those agencies is required if cash dividends declared in any given year exceed net income for that year, plus retained net profits of the two preceding years. The payment of dividends by the Bank or the Company may be limited by other factors, such as requirements to maintain capital above regulatory guidelines. Bank regulatory agencies have the authority to prohibit the Bank or the Company from engaging in an unsafe or unsound practice in conducting their business. The payment of dividends, depending on the financial condition of the Bank, or the Company, could be deemed to constitute such an unsafe or unsound practice.

The Company’s subordinated debt is in a superior ownership position compared to its common stock and all current and future junior subordinated debt obligations. Following the occurrence of any event of default on its subordinated debt, the Company may not make any payments on its junior subordinated debt; declare or pay any dividends on its common stock; redeem or otherwise acquire any of its common stock; or make any other distributions with respect to its common stock or set aside any monies or properties for such purposes. The Company is current in its interest payments on subordinated debt.

Our ability to pay dividends on common stock is also limited by contractual restrictions under our junior subordinated debt. Interest must be paid on the junior subordinated debt before dividends may be paid to common shareholders. The Company is current in its interest payments on junior subordinated debt; however, it has the right to defer distributions on its junior subordinated debt, during which time no dividends may be paid on its common stock. If the Company does not have sufficient earnings in the future and begins to defer distributions on the junior subordinated debt, it will be unable to pay dividends on its common stock until it becomes current on those distributions.

The Bank

General. The Bank is supervised and regularly examined by the Federal Reserve and the SCC. The various laws and regulations administered by the regulatory agencies affect corporate practices, such as the payment of dividends, incurrence of debt, and acquisition of financial institutions and other companies; they also affect business practices, such as the payment of interest on deposits, the charging of interest on loans, types of business conducted, and location of offices. Certain of these law and regulations are referenced above under “The Company.”

CapitalRequirements. The Federal Reserve and the other federal banking agencies have issued risk-based and leverage capital guidelines applicable to U. S. banking organizations. In addition, those regulatory agencies may from time to time require that a banking organization maintain capital above the minimum levels because of its financial condition or actual or anticipated growth. The Company meets eligibility criteria of a small bank holding company in accordance with the Federal Reserve Board’s Small Bank Holding Company Policy Statement issued in February 2015, and is no longer obligated to report consolidated regulatory capital.

In July 2013, the U.S. banking regulators adopted a final rule which implements the Basel III regulatory capital reforms from the Basel Committee on Banking Supervision, and certain changes required by the Dodd-Frank Act. The final rule established an integrated regulatory capital framework and introduces the “Standardized Approach” for risk-weighted assets, which replaced the Basel I risk-based guidance for determining risk-weighted assets as of January 1, 2015, the date the Bank became subject to the new rules. Based on the Bank’s current capital composition and levels, the Bank believes it is in compliance with the requirements as set forth in the final rules.

The rules included new risk-based capital and leverage ratios, which are being phased in from 2015 to 2019, and refined the definition of what constitutes “capital” for purposes of calculating those ratios. The new minimum capital level requirements applicable to the Bank under the final rules were as follows: a new common equity Tier 1 capital ratio of 4.5%; a Tier 1 capital ratio of 6% (increased from 4%); a total capital ratio of 8% (unchanged from previous rules); and a Tier 1 leverage ratio of 4% for all institutions. The final rules also established a “capital conservation buffer” above the new regulatory minimum capital requirements. The capital conservation buffer will be is beingphased-in over four years, beginningwhich began on January 1, 2016, as follows: the maximum buffer will bewas 0.625% of risk-weighted assets for 2016, and will be 1.25% for 2017, 1.875% for 2018, and 2.5% for 2019 and thereafter. This will result in the following minimum ratios beginning in 2019: a common equity Tier 1 capital ratio of 7.0%, a Tier 1 capital ratio of 8.5%, and a total capital ratio of 10.5%. Under the final rules, institutions are subject to limitations on paying dividends, engaging in share repurchases, and paying discretionary bonuses if its capital level falls below the buffer amount. These limitations establish a maximum percentage of eligible retained income that could be utilized for such actions. Management believes, as December 31, 2016 and December 31, 2015, that the Bank met all capital adequacy requirements to which it is subject, including the capital conservation buffer.

The following table shows the Bank’s regulatory capital ratios at December 31, 2015:2016:

The final rules also contain revisions to the prompt corrective action framework, which is designed to place restrictions on insured depository institutions if their capital levels begin to show signs of weakness. Under the prompt corrective action requirements, which are designed to complement the capital conservation buffer, insured depository institutions are now

required to meet the following increased capital level requirements in order to qualify as “well capitalized:” a new common equity Tier 1 capital ratio of 6.5%; a Tier 1 capital ratio of 8% (increased from 6%); a total capital ratio of 10% (unchanged from previous rules); and a Tier 1 leverage ratio of 5% (unchanged from previous rules).

DepositInsurance. Substantially all of the deposits of the Bank are insured up to applicable limits by the Deposit Insurance Fund (the DIF) of the FDIC and are subject to deposit insurance assessments to maintain the DIF. On April 1, 2011, the deposit insurance assessment base changed from total deposits to average total assets minus average tangible equity, pursuant to a rule issued by the FDIC as required by the Dodd-Frank Act.

The FDIA, as amended by the Federal Deposit Insurance Reform Act and the Dodd-Frank Act, requires the FDIC to set a ratio of deposit insurance reserves to estimated insured deposits of at least 1.35%. The FDIC utilizes a risk-based assessment system that imposes insurance premiums based upon a risk matrix that takes into account a bank’s capital level and supervisory rating. On February 7, 2011, the FDIC introduced three possible adjustments to an institution’s initial base assessment rate: (i) a decrease of up to five basis points for long-term unsecured debt, including senior unsecured debt (other than debt guaranteed under the Temporary Liquidity Guarantee Program) and subordinated debt and, for small institutions, a portion of Tier 1 capital; (ii) an increase for holding long-term unsecured or subordinated debt issued by other insured depository institutions known as the Depository Institution Debt Adjustment or DIDA; and (iii) fornon-Risk Category I institutions, an increase not to exceed 10 basis points for brokered deposits in excess of 10% of domestic deposits.

On April 26, 2016, the FDIC adopted a final rule to amend how small banks are assessed deposit insurance. The final rule, which was effective the quarter after the DIF reached 1.15%, revised the calculation of deposit insurance assessments for insured institutions with less than $10 billion in assets that have been FDIC insured for at least five years (established small banks). The rule updated the data and revised the methodology that the FDIC uses to determine risk-based assessments to better capture the risk that an established small bank poses to the DIF and to ensure that institutions that take on greater risks have higher assessments. The rule eliminated the previous risk categories in favor of an assessment schedule based on examination ratings and financial modeling. The DIF reached 1.15% effective as of June 30, 2016, lowering the assessment rates to between 1.5 and 16 basis points for institutions in the lowest risk category and 3 to 30 basis points for institutions in the higher risk categories. Due to the Bank’s examination ratings and financial ratios, the Bank experienced lower deposit insurance assessment rates as a result of the changes put into effect on July 1, 2016.

In addition, all FDIC insured institutions are required to pay assessments to the FDIC at an annual rate of approximately one basis point of insured deposits to fund interest payments on bonds issued by the Financing Corporation, an agency of the federal government established to recapitalize the predecessor to the Savings Association Insurance Fund. These assessments will continue until the Financing Corporation bonds mature in 2017 through 2019.

TransactionswithAffiliates. Pursuant to Sections 23A and 23B of the Federal Reserve Act and Regulation W, the authority of the Bank to engage in transactions with related parties or “affiliates” or to make loans to insiders is limited. Loan transactions with an affiliate generally must be collateralized and certain transactions between the Bank and its affiliates, including the sale of assets, the payment of money or the provision of services, must be on terms and conditions that are substantially the same, or at least as favorable to the Bank, as those prevailing for comparable nonaffiliated transactions. In addition, the Bank generally may not purchase securities issued or underwritten by affiliates.

Loans to executive officers, directors or to any person who directly or indirectly, or acting through or in concert with one or more persons, owns, controls or has the power to vote more than 10% of any class of voting securities of a bank (a “10% Shareholder”), are subject to Sections 22(g) and 22(h) of the Federal Reserve Act and their corresponding regulations (Regulation O) and Section 13(k) of the Exchange Act relating to the prohibition on personal loans to executives (which exempts financial institutions in compliance with the insider lending restrictions of Section 22(h) of the Federal Reserve Act). Among other things, these loans must be made on terms substantially the same as those prevailing on transactions made to unaffiliated individuals and certain extensions of credit to those persons must first be approved in advance by a disinterested majority of the entire board of directors. Section 22(h) of the Federal Reserve Act prohibits loans to any of those individuals where the aggregate amount exceeds an amount equal to 15% of an institution’s unimpaired capital and surplus plus an additional 10% of unimpaired capital and surplus in the case of loans that are fully secured by readily marketable collateral, or when the aggregate amount on all of the extensions of credit outstanding to all of these persons would exceed the Bank’s unimpaired capital and unimpaired surplus. Section 22(g) of the Federal Reserve Act identifies limited circumstances in which the Bank is permitted to extend credit to executive officers.

PromptCorrectiveAction. Immediately upon becoming “undercapitalized,” a depository institution becomes subject to the provisions of Section 38 of the FDIA, which: (i) restrict payment of capital distributions and management fees; (ii) require that the appropriate federal banking agency monitor the condition of the institution and its efforts to restore its capital; (iii) require submission of a capital restoration plan; (iv) restrict the growth of the institution’s assets; and (v) require prior

approval of certain expansion proposals. The appropriate federal banking agency for an undercapitalized institution also may take any number of discretionary supervisory actions if the agency determines that any of these actions is necessary to resolve the problems of the institution at the least possible long-term cost to the DIF, subject in certain cases to specified procedures. These discretionary supervisory actions include: (i) requiring the institution to raise additional capital; (ii) restricting transactions with affiliates; (iii) requiring divestiture of the institution or the sale of the institution to a willing purchaser; and (iv) any other supervisory action that the agency deems appropriate. These and additional mandatory and permissive supervisory actions may be taken with respect to significantly undercapitalized and critically undercapitalized institutions. The Bank meetsmet the definition of being “well capitalized” as of December 31, 2015.2016.

CommunityReinvestmentAct. The Bank is subject to the requirements of the Community Reinvestment Act of 1977. The CRA imposes on financial institutions an affirmative and ongoing obligation to meet the credit needs of the local communities, including low and moderate income neighborhoods. If the Bank receives a rating from the Federal Reserve of less than satisfactory under the CRA, restrictions on operating activities could be imposed.

PrivacyLegislation. Several recent regulations issued by federal banking agencies also provide new protections against the transfer and use of customer information by financial institutions. A financial institution must provide to its customers information regarding its policies and procedures with respect to the handling of customers’ personal information. Each institution must conduct an internal risk assessment of its ability to protect customer information. These privacy provisions generally prohibit a financial institution from providing a customer’s personal financial information to unaffiliated parties without prior notice and approval from the customer.

USAPatriotActof2001. In October 2001, the USA Patriot Act of 2001 (“Patriot Act”) was enacted in response to the September 11, 2001 terrorist attacks. The Patriot Act iswas intended to strengthen U. S. law enforcement and the intelligence communities’ abilities to work cohesively to combat terrorism. The continuing impact on financial institutions of the Patriot Act and related regulations and policies is significant and wide ranging. The Patriot Act contains sweeping anti-money laundering and financial transparency laws, and imposes various regulations, including standards for verifying customer identification at account opening, and rules to promote cooperation among financial institutions, regulators and law enforcement entities to identify persons who may be involved in terrorism or money laundering.

ConsumerLawsandRegulations. The Bank is also subject to certain consumer laws and regulations issued thereunder that are designed to protect consumers in transactions with banks. These laws include the Truth in Lending Act, the Truth in Savings Act, the Electronic Funds Transfer Act, the Expedited Funds Availability Act, the Equal Credit Opportunity Act, Real Estate Settlement Procedures Act, Home Mortgage Disclosure Act, the Fair Credit Reporting Act, the Fair Housing Act and the Dodd-Frank Act, among others. The laws and related regulations mandate certain disclosure requirements and regulate the manner in which financial institutions transact business with customers. The Bank must comply with the applicable provisions of these consumer protection laws and regulations as part of its ongoing customer relations.

IncentiveCompensation. In June 2010, the federal banking agencies issued comprehensive final guidance on incentive compensation policies intended to ensure that the incentive compensation policies of financial institutions do not undermine the safety and soundness of such institutions by encouraging excessive risk-taking. TheInteragencyGuidanceonSoundIncentiveCompensationPolicies, which covers all employees that have the ability to materially affect the risk profile of a financial institution, either individually or as part of a group, is based upon the key principles that a financial institution’s incentive compensation arrangements should (i) provide incentives that do not encourage risk-taking beyond the institution’s ability to effectively identify and manage risks, (ii) be compatible with effective internal controls and risk management, and (iii) be supported by good corporate governance, including active and effective oversight by the financial institution’s board of directors.

The Federal Reserve will review, as part of the regular, risk-focused examination process, the incentive compensation arrangements of financial institutions, such as the Company, that are not “large, complex banking organizations.” These reviews will be tailored to each financial institution based on the scope and complexity of the institution’s activities and the prevalence of incentive compensation arrangements. The findings of the supervisory initiatives will be included in reports of examination. Deficiencies will be incorporated into the institution’s supervisory ratings, which can affect the institution’s ability to make acquisitions and take other actions. Enforcement actions may be taken against a financial institution if its incentive compensation arrangements, or related risk-management control or governance processes, pose a risk to the institution’s safety and soundness and the financial institution is not taking prompt and effective measures to correct the deficiencies. At December 31, 2015,2016, the Company had not been made aware of any instances ofnon-compliance with the guidance.

Effect of Governmental Monetary Policies

The Company’s operations are affected not only by general economic conditions but also by the policies of various regulatory authorities. In particular, the Federal Reserve regulates money and credit conditions and interest rates to influence general economic conditions. These policies have a significant impact on overall growth and distribution of loans, investments and deposits; they affect interest rates charged on loans or paid for time and savings deposits. Federal Reserve monetary policies have had a significant effect on the operating results of commercial banks, including the Company, in the past and are expected to do so in the future.

Item 1A. Risk Factors

An investment in the Company’s securities involves risks. In addition to the other information set forth in this report, investors in the Company’s securities should carefully consider the factors discussed below. These factors could materially and adversely affect the Company’s business, financial condition, liquidity, results of operations and capital position, and could cause the Company’s actual results to differ materially from its historical results or the results contemplated by the forward-looking statements contained in this report, in which case the trading price of the Company’s securities could decline.

Risks Related To The Company’s Business

The Company’s business may be adversely affected by conditions in the financial markets and economic conditions generally.

The community banking industry is directly affected by national, regional, and local economic conditions. The economies in the Company’s market areas continued to show improvement during 2015.2016. Management allocates significant resources to mitigate and respond to risks associated with the current economic conditions, however, such conditions cannot be predicted or controlled. Therefore, such conditions, including a reduction in federal government spending, a flatter yield curve, and extended low interest rates, could adversely affect the credit quality of the Company’s loans, and/or the Company’s results of operations and financial condition. The Company’s financial performance is dependent on the business environment in the markets where the Company operates, in particular, the ability of borrowers to pay interest on and repay principal of outstanding loans and the value of collateral securing those loans, as well as demand for loans and other products and services the Company offers. In addition, the Company holds securities which can be significantly affected by various factors including credit ratings assigned by third parties. An adverse credit rating in securities held by the Company could result in a reduction of the fair value of its securities portfolio and have an adverse impact on its financial condition. While general economic conditions in Virginia and the U.S. continued to improve in 2015,2016, there can be no assurance that this improvement will continue.

The inability of the Company to successfully manage its growth or implement its growth strategy may adversely affect the Company’s results of operations and financial conditions.

The Company may not be able to successfully implement its growth strategy if it is unable to expand market share in existing locations, identify attractive markets, locations, or opportunities to expand in the future. In addition, the ability to manage growth successfully depends on whether the Company can maintain adequate capital levels, maintain cost controls, effectively manage asset quality, and successfully integrate any expanded business divisions or acquired businesses into the organization.

As the Company continues to implement its growth strategy by opening new branches or acquiring branches or banks, it expects to incur increased personnel, occupancy, and other operating expenses. In the case of new branches, the Company must absorb those higher expenses while it begins to generate new deposits. In the case of acquired branches, the Company must absorb higher expenses while it begins deploying the newly assumed deposit liabilities. With either new branches opened or branches acquired, there would be a time lag involved in deploying new deposits into attractively priced loans and other higher yielding earning assets. Thus, the Company’s plans to expand could depress earnings in the short run, even if it efficiently executes a branching strategy leading to long-term financial benefits.

Difficulties in combining the operations of acquired bank branches or entities with the Company’s own operations may prevent the Company from achieving the expected benefits from acquisitions.

The Company may not be able to achieve fully the strategic objectives and operating efficiencies expected in an acquisition. Inherent uncertainties exist in integrating the operations of an acquired entity.entity or acquired branches. In addition, the markets and industries in which the Company and its potential acquisition targets operate are highly competitive. The Company may lose customers or the customers of acquired entities as a result of an acquisition; the Company may lose key personnel, either from the acquired entity or from itself; and the Company may not be able to control the incremental increase in noninterest expense arising from an acquisition in a manner that improves its overall operating efficiencies. These factors could contribute to the Company’s not achieving the expected benefits from its acquisitions within desired time frames, if at all. Future business acquisitions could be material to the Company and it may issue additional shares of common stock to support those acquisitions, which would dilute current shareholders’ ownership interests. Acquisitions could also could require the Company to use substantial cash or other liquid assets or to incur debt; the Company could therefore become more susceptible to economic downturns and competitive pressures.

The Company faces substantial competition that could adversely affect the Company’s growth and/or operating results.

The Company operates in a competitive market for financial services and faces intense competition from other financial institutionsbusinesses both in making loans and attracting deposits which can greatly affect pricing for its products and services. The Company’s primary competitors include community, regional, and national banks as well as credit unions and mortgage companies. Many of these financial institutions have been in business for many years, are significantly larger, have established customer bases and have greater financial resources and higher lending limits. In addition, credit unions are exempt from corporate income taxes, providing a significant competitive pricing advantage. Accordingly, some of the Company’s competitors in its market have the ability to offer products and services that it is unable to offer or to offer at more competitive rates.

Consumers may increasingly decide not to use the Bank to complete their financial transactions, which would have a material adverse impact on the Company’s financial condition and operations.

Technology and other changes are allowing parties to complete financial transactions through alternative methods that historically have involved banks. For example, consumers can now maintain funds that would have historically been held as bank deposits in brokerage accounts, mutual funds or general-purpose reloadable prepaid cards. Consumers can also complete transactions such as paying bills and/or transferring funds directly without the assistance of banks. The process of eliminating banks as intermediaries, known as “disintermediation,” could result in the loss of fee income, as well as the loss of customer deposits and the related income generated from those deposits. The loss of these revenue streams and the lower cost of deposits as a source of funds could have a material adverse effect on our financial condition and results of operations.

The carrying value of intangible assets, such as goodwill and core deposit intangibles, may be adversely affected.

When a Company completes an acquisition, intangibles, such as goodwill and core deposit intangibles, are recorded on the date of acquisition as an asset. Current accounting guidance requires an evaluation for impairment, and the Company would perform such impairment analysis at least annually. A significant adverse change in expected future cash flows, sustained adverse change in the Company’s common stock, or a decline in core deposit balances could require the asset to become impaired. If impaired, the Company would incur a charge to earnings that could have a significant impact on the results of operations.

The Company is subject to claims and litigation pertaining to fiduciary responsibility.

From time to time, customers make claims and take legal action pertaining to the performance of the Bank’s fiduciary responsibilities. Whether customer claims and legal action related to the performance of the Bank’s fiduciary responsibilities are founded or unfounded, if such claims and legal actions are not resolved in a manner favorable to the Company, they may result in significant financial liability and/or adversely affect the market perception of the Company and its products and services, as well as impact customer demand for those products and services. Any financial liability or reputation damage could have a material adverse effect on the Company’s business, which, in turn, could have a material adverse effect on the Company’s financial condition and results of operations.

The Company depends on the accuracy and completeness of information about clients and counterparties, and its financial condition could be adversely affected if it relies on misleading information.

In deciding whether to extend credit or to enter into other transactions with clients and counterparties, the Company may rely on information furnished to it by or on behalf of clients and counterparties, including financial statements and other financial information, which the Company does not independently verify. The Company also may rely on representations of clients and counterparties as to the accuracy and completeness of that information and, with respect to financial statements, on reports of independent auditors. For example, in deciding whether to extend credit to clients, the Company may assume that a customer’s audited financial statements conform to U.S. generally accepted accounting principles (GAAP) and present fairly, in all material respects, the financial condition, results of operations, and cash flows of the customer. The Company’s financial condition and results of operations could be negatively impacted to the extent it relies on financial statements that do not comply with GAAP or are materially misleading.

The Company’s dependency on its management team and the unexpected loss of any of those personnel could adversely affect operations.

The Company has assembled an experienced management team and continues to build the depth of that team. Although management development plans are in place, the unexpected loss of key employees could have a material adverse effect on the Company’s business and may result in lower revenues or greater expenses.

Failure to maintain effective systems of internal and disclosure controls could have a material adverse effect on the Company’s results of operation and financial condition.

Effective internal and disclosure controls are necessary for the Company to provide reliable financial reports and effectively prevent fraud, and to operate successfully as a public company. If the Company cannot provide reliable financial reports or prevent fraud, its reputation and operating results would be harmed. As part of the Company’s ongoing monitoring of internal controls, it may discover material weaknesses or significant deficiencies in its internal control that require remediation. 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 a company’s annual or interim financial statements will not be prevented or detected on a timely basis.

The Company continually works on improving its internal controls. However, the Company cannot be certain that these measures will ensure that it implements and maintains adequate controls over its financial processes and reporting. Any failure to maintain effective controls or to timely implement any necessary improvement of the Company’s internal and disclosure controls could, among other things, result in losses from fraud or error, harm the Company’s reputation, or cause investors to lose confidence in the Company’s reported financial information, all of which could have a material adverse effect on the Company’s results of operation and financial condition.

The Company’s risk-management framework may not be effective in mitigating risk and loss.

The Company maintains an enterprise risk management program that is designed to identify, quantify, monitor, report, and control the risks that it faces. These risks include: interest-rate, credit, liquidity, operations, reputation, compliance, and litigation. While the Company assesses and improves this program on an ongoing basis, there can be no assurance that its approach and framework for risk management and related controls will effectively mitigate all risk and limit losses in its business. If conditions or circumstances arise that expose flaws or gaps in the Company’s risk-management program, or if its controls break down, the Company’s results of operations and financial condition may be adversely affected.

Negative public opinion could damage our reputation and adversely impact liquidity and profitability.

As a financial institution, the Company’s earnings, liquidity, and capital are subject to risks associated with negative public opinion of the Company and of the financial services industry as a whole. Negative public opinion could result from our actual or alleged conduct in any number of activities, including lending practices, the failure of any product or service sold by us to meet our clients’ expectations or applicable regulatory requirements, corporate governance and acquisitions, or from actions taken by government regulators and community organizations in response to those activities. Negative public opinion can adversely affect our ability to keep, attract and/or retain customers and can expose us to litigation and regulatory action. Actual or alleged conduct by one of our businesses can result in negative public opinion about our other businesses. Negative public opinion could also affect our ability to borrow funds in the unsecured wholesale debt markets.

Negative perception of the Company through social media may adversely affect the Company’s reputation and business.

The Company’s reputation is critical to the success of its business. The Company believes that its brand image has been well received by customers, reflecting the fact that the brand image, like the Company’s business, is based in part on trust and confidence. The Company’s reputation and brand image could be negatively affected by rapid and widespread distribution of publicity through social media channels. The Company’s reputation could also be affected by the Company’s association with clients affected negatively through social media distribution, or other third parties, or by circumstances outside of the Company’s control. Negative publicity, whether true or untrue, could affect the Company’s ability to attract or retain customers, or cause the Company to incur additional liabilities or costs, or result in additional regulatory scrutiny.

Changes in interest rates could adversely affect the Company’s income and cash flows.

The Company’s income and cash flows depend to a great extent on the difference between the interest rates earned on interest-earning assets, such as loans and investment securities, and the interest rates paid on interest-bearing liabilities, such as deposits and borrowings. These rates are highly sensitive to many factors beyond the Company’s control, including general economic conditions and the policies of the Federal Reserve and other governmental and regulatory agencies. Changes in monetary policy, including changes in interest rates, will influence the origination of loans, the prepayment of loans, the purchase of investments, the generation of deposits, and the rates received on loans and investment securities and paid on deposits or other sources of funding. The impact of these changes may be magnified if the Company does not effectively manage the relative sensitivity of its assets and liabilities to changes in market interest rates. In addition, the Company’s ability to reflect such interest rate changes in pricing its products is influenced by competitive pressures. Fluctuations in these areas may adversely affect the Company and its shareholders. The Bank is often at a competitive disadvantage in managing its costs of funds compared to the large regional super-regional, or national banks that have access to the national and international capital markets.

The Company generally seeks to maintain a neutral position in terms of the volume of assets and liabilities that mature orre-price during any period so that it may reasonably maintain its net interest margin; however, interest rate fluctuations, loan prepayments, loan production, deposit flows, and competitive pressures are constantly changing and influence the ability to maintain a neutral position. Generally, the Company’s earnings will be more sensitive to fluctuations in interest rates depending upon the variance in volume of assets and liabilities that mature andre-price in any period. The extent and duration of the sensitivity will depend on the cumulative variance over time, the velocity and direction of changes in interest rates, shape and slope of the yield curve, and whether the Company is more asset sensitive or liability sensitive. Accordingly, the Company may not be successful in maintaining a neutral position and, as a result, the Company’s net interest margin may be affected.

Limited availability of financing or inability to raise capital could adversely impact the Company.

The amount, type, source, and cost of the Company’s funding and capital directly impacts the ability to grow assets. The ability to raise funds through deposits, borrowings and other sources, or raise capital could become more difficult, more expensive, or altogether unavailable. A number of factors could make such financing more difficult, more expensive or unavailable including: the financial condition of the Company at any given time; rate disruptions in the capital markets; the reputation for soundness and security of the financial services industry as a whole; and, competition for funding from other banks or similar financial service companies, some of which could be substantially larger or be more favorably rated.

The soundness of other financial institutions could adversely affect the Company.

The Company’s ability to engage in routine funding transactions could be adversely affected by the actions and commercial soundness of other financial institutions. Financial services institutions are interrelated as a result of trading, clearing, counterparty, or other relationships. As a result, defaults by, or even rumors or questions about, one or more financial services institutions, or the financial services industry generally, have led to market-wide liquidity problems and could lead to losses or defaults by the Company or by other institutions. Many of these transactions expose the Company to credit risk in the event of default of its counterparty or client. There is no assurance that any such losses would not materially and adversely affect the Company’s results of operations.

The Company’s exposure to operational, technological, and organizational risk may adversely affect the Company.

Similar to other financial institutions, the Company is exposed to many types of operational and technological risk, including reputation, legal, and compliance risk. The Company’s ability to grow and compete is dependent on its ability to build or acquire the necessary operational and technological infrastructure and to manage the cost of that infrastructure while it expands and integrates acquired businesses. Operational risk can manifest itself in many ways, such as errors related to failed or inadequate processes, faulty or disabled computer systems, occurrences of fraud by employees or persons outside of the Company, and exposure to external events. The Company is dependent on its operational infrastructure to help manage these risks. From time to time, it may need to change or upgrade its technology infrastructure. The Company may experience disruption, and it may face additional exposure to these risks during the course of making such changes. If the Company would acquire another financial institution or bank branch operations, it would face additional challenges when integrating different operational platforms. Such integration efforts may be more disruptive to the business and/or more costly than anticipated.

The Company and the Bank rely on other companies to provide key components of their business infrastructure.

Third parties provide key components of the Company’s (and the Bank’s) business operations such as data processing, recording and monitoring transactions, online banking interfaces and services, internet connections, and network access. While the Company has selected these third party vendors carefully, it does not control their actions. Any problem caused by these third parties, including poor performance of services, failure to provide services, disruptions in communication services provided by a vendor and failure to handle current or higher volumes, could adversely affect the Company’s ability to deliver products and services to its customers and otherwise conduct its business, and may harm its reputation. Financial or operational difficulties of a third party vendor could also hurt the Company’s operations if those difficulties affect the vendor’s ability to serve the Company. Replacing these third party vendors could also create significant delay and expense. Accordingly, use of such third parties creates an unavoidable inherent risk to the Company’s business operations.

The Company continually encounters technological change which could affect its ability to remain competitive.

The financial services industry is continually undergoing change with frequent introductions of new technology-driven products and services. The effective use of technology increases efficiency and enables financial institutions to better serve customers and to reduce costs. The Company continues to invest in technology and connectivity to automate functions previously performed manually, to facilitate the ability of customers to engage in financial transactions, and otherwise to enhance the customer experience with respect to its products and services. The Company’s continued success depends, in part, upon its ability to address the needs of its customers by using technology to provide products and services that satisfy customer demands and create efficiencies in its operations. A failure to maintain or enhance a competitive position with respect to technology, whether because of a failure to anticipate customer expectations or because the Company’s technological developments fail to perform as desired or are not rolled out in a timely manner, may cause the Company to lose market share or incur additional expense.

The operational functions of business counterparties over which the Company may have limited or no control may experience disruptions that could adversely impact the Company.

Multiple major U.S. retailers have recently experienced data systems incursions reportedly resulting in the thefts of credit and debit card information, online account information, and other financial data of the retailers’ customers. Retailer incursions affect cards issued and deposit accounts maintained by many banks, including the Bank. Although neither the Company’s nor the Bank’s systems are breached in retailer incursions, these events can cause the Bank to reissue a significant number of cards and take other costly steps to avoid significant theft loss to the Bank and its customers. In some cases, the Bank may be required to reimburse customers for the losses they incur. Other possible points of intrusion or disruption not within the Company’s nor the Bank’s control include internet service providers, electronic mail portal providers, social media portals, distant-server (“cloud”) service providers, electronic data security providers, telecommunications companies, and smart phone manufacturers.

The Company’s operations may be adversely affected by cyber security risks.

In the ordinary course of business, the Company collects and stores sensitive data, including proprietary business information and personally identifiable information of its customers and employees in systems and on networks. The secure processing, maintenance, and use of this information is critical to operations and the Company’s business strategy. The Company has invested in accepted technologies, and continually reviews processes and practices that are designed to protect its networks, computers, and data from damage or unauthorized access. Despite these security measures, the Company’s computer systems and infrastructure may be vulnerable to attacks by hackers or breached due to employee error, malfeasance, or other disruptions. A breach of any kind could compromise systems and the information stored there could be accessed, damaged or disclosed. A breach in security could result in legal claims, regulatory penalties, disruption in operations, and damage to the Company’s reputation, which could adversely affect its business. Furthermore, as cyber threats continue to evolve and increase, the Company may be required to expend significant additional resources to modify or enhance its protective measures, or to investigate and remediate any identified information security vulnerabilities.

Nonperforming assets take significant time to resolve and adversely affect the Company’s results of operations and financial condition.

The Company’s nonperforming assets adversely affect its net income in various ways. The Company does not record interest income on nonaccrual loans, which adversely affects its income and increases loan administration costs. When the Company receives collateral through foreclosures and similar proceedings, it is required to mark the related loan to the then fair market value of the collateral less estimated selling costs, which may result in a loss. An increase in the level of nonperforming assets also increases the Company’s risk profile and may affect the capital levels that the Company believes are appropriate in light of such risks. The Company utilizes various techniques such as workouts, restructurings, and loan sales to manage problem assets. Increases in or negative adjustments in the value of these problem assets, the underlying collateral, or in the borrowers’ performance or financial condition, could adversely affect the Company’s business, results of operations, and financial condition. In addition, the resolution of nonperforming assets requires significant commitments of time from management and staff, which can be detrimental to the performance of their other responsibilities, including origination of new loans. There can be no assurance that the Company will avoid further increases in nonperforming loans in the future.

The Bank’s allowance for loan losses may prove to be insufficient to absorb losses in its loan portfolio.

Like all financial institutions, the Bank maintains an allowance for loan losses to provide for loans that its borrowers may not repay in their entirety. The Bank believes that it maintains an allowance for loan losses at a level adequate to absorb probable losses inherent in the loan portfolio as of the corresponding balance sheet date and in compliance with applicable accounting and regulatory guidance. However, the allowance for loan losses may not be sufficient to cover actual loan losses and future provisions for loan losses could materially and adversely affect the Company’s operating results.Accounting measurements related to impairment and the allowance for loan losses require significant estimates that are subject to uncertainty and changes relating to new information and changing circumstances. The significant uncertainties surrounding the ability of the Bank’s borrowers to execute their business models successfully through changing economic environments, competitive challenges, and other factors complicate the Bank’s estimates of the risk of loss and amount of loss on any loan. Because of the degree of uncertainty and susceptibility of these factors to change, the actual losses may vary from current estimates. The Company expects fluctuations in the loan loss provisions due to the uncertain economic conditions.

The Company’s banking regulators, as an integral part of their examination process, periodically review the allowance for loan losses and may require the Bank to increase its allowance for loan losses by recognizing additional provisions for loan losses charged to expense, or to decrease the allowance for loan losses by recognizing loan charge-offs, net of recoveries. Any such required additional provisions for loan losses or charge-offs could have a material adverse effect on the Company’s financial condition and results of operations.

If the Bank’s valuation allowance on OREO becomes inadequate, results of operations may be adversely affected.

The Bank maintains a valuation allowance that it believes is a reasonable estimate of known losses in OREO. The Bank obtains appraisals on all OREO properties on an annual basis and adjusts the valuation allowance accordingly. The carrying value of OREO is susceptible to changes in economic and real estate market conditions. Although the Company believes the valuation allowance is a reasonable estimate of known losses, such losses and the adequacy of the allowance cannot be fully predicted. Excessive declines in market values could have a material impact on financial performance.

The Bank’s concentration in loans secured by real estate may adversely affect earnings due to changes in the real estate markets.

The Bank offers a variety of secured loans, including commercial lines of credit, commercial term loans, real estate, construction, home equity, consumer, and other loans. Many of the Bank’s loans are secured by real estate (both residential and commercial) in the Bank’s market areas. A major change in the real estate markets, resulting in deterioration in the value of this collateral, or in the local or national economy, could adversely affect borrowers’ ability to pay these loans, which in turn could negatively affect the Bank. Risks of loan defaults and foreclosures are unavoidable in the banking industry; the Bank tries to limit its exposure to these risks by monitoring extensions of credit carefully. The Bank cannot fully eliminate credit risk; thus, credit losses will occur in the future. Additionally, changes in the real estate market also affect the value of foreclosed assets, and therefore, additional losses may occur when management determines it is appropriate to sell the assets.

The Bank has a significant concentration of credit exposure in commercial real estate, and loans with this type of collateral are viewed as having more risk of default.

The Bank’s commercial real estate portfolio consists primarily of owner-operated properties and other commercial properties. These types of loans are generally viewed as having more risk of default than residential real estate loans. They are also typically larger than residential real estate loans and consumer loans and depend on cash flows from the owner’s business or the property to service the debt. Cash flows may be affected significantly by general economic conditions, and a downturn in the local economy or in occupancy rates in the local economy where the property is located could increase the likelihood of default. Because the Bank’s loan portfolio contains a number of commercial real estate loans with relatively large balances, the deterioration of one or a few of these loans could cause a significant increase in the percentage ofnon-performing loans. An increase innon-performing loans could result in a loss of earnings from these loans, an increase in the provision for loan losses and an increase in charge-offs, all of which could have a material adverse effect on the Bank’s financial condition.

The Bank’s banking regulators generally give commercial real estate lending greater scrutiny and may require banks with higher levels of commercial real estate loans to implement improved underwriting, internal controls, risk management policies, and portfolio stress testing, as well as possibly higher levels of allowances for losses and capital levels as a result of commercial real estate lending growth and exposures, which could have a material adverse effect on the Bank’s results of operations.

The Bank’s loan portfolio contains construction and development loans, and a decline in real estate values and economic conditions would adversely affect the value of the collateral securing the loans and have an adverse effect on the Bank’s financial condition.

Although most of the Bank’s construction and development loans are secured by real estate, the Bank believes that, in the case of the majority of these loans, the real estate collateral by itself may not be a sufficient source for repayment of the loan if real estate values decline. If the Bank is required to liquidate the collateral securing a construction and development loan to satisfy the debt, its earnings and capital may be adversely affected. A period of reduced real estate values may continue for some time, resulting in potential adverse effects on the Bank’s earnings and capital.

The Company’s credit standards and itson-going credit assessment processes might not protect it from significant credit losses.

The Company assumes credit risk by virtue of making loans and extending loan commitments and letters of credit. The Company manages credit risk through a program of underwriting standards, the review of certain credit decisions and a continuous quality assessment process of credit already extended. The Company’s exposure to credit risk is managed through the use of consistent underwriting standards that emphasize local lending while avoiding highly leveraged transactions as well as excessive industry and other concentrations. The Company’s credit administration function employs risk management techniques to help ensure that problem loans are promptly identified. While these procedures are designed to provide the Company with the information needed to implement policy adjustments where necessary and to take appropriate corrective actions, there can be no assurance that such measures will be effective in avoiding undue credit risk.

The Company’s focus on lending to small tomid-sized community-based businesses may increase its credit risk.

Most of the Company’s commercial business and commercial real estate loans are made to small business or middle market customers. These businesses generally have fewer financial resources in terms of capital or borrowing capacity than larger entities and have a heightened vulnerability to economic conditions. If general economic conditions in the market areas in which the Company operates negatively impact this important customer sector, the Company’s results of operations and financial condition may be adversely affected. Moreover, a portion of these loans have been made by the Company in recent years and the borrowers may not have experienced a complete business or economic cycle. Any deterioration of the borrowers’ businesses may hinder their ability to repay their loans with the Company, which could have a material adverse effect on the Company’s financial condition and results of operations.

The Bank relies upon independent appraisals to determine the value of the real estate which secures a significant portion of its loans, and the values indicated by such appraisals may not be realizable if the Bank is forced to foreclose upon such loans.

A significant portion of the Bank’s loan portfolio consists of loans secured by real estate. The Bank relies upon independent appraisers to estimate the value of such real estate. Appraisals are only estimates of value and the independent appraisers may make mistakes of fact or judgment that adversely affect the reliability of their appraisals. In addition, events occurring after the initial appraisal may cause the value of the real estate to increase or decrease. As a result of any of these factors, the real estate securing some of the Bank’s loans may be more or less valuable than anticipated at the time the loans were made. If a default occurs on a loan secured by real estate that is less valuable than originally estimated, the Bank may not be able to recover the outstanding balance of the loan.

The Dodd-Frank Act substantially changes the regulation of the financial services industry and it could have a material adverse effect upon the Company.

The Dodd-Frank Act provides wide-ranging changes in the way banks and financial services firms generally are regulated and affect the way the Company and its customers and counterparties do business with each other. Among other things, it requires increased capital and regulatory oversight for banks and their holding companies, changes the deposit insurance assessment system, changes responsibilities among regulators, establishes the CFPB, and makes various changes in the securities laws and corporate governance that affect public companies, including the Company. The Dodd-Frank Act also requires numerous studies and regulations related to its implementation. The Company is continually evaluating the effects of the Dodd-Frank Act, together with implementing the regulations that have been proposed and adopted. The ultimate effects of the Dodd-Frank Act and the resulting rulemaking cannot be predicted at this time, but it has increased the Company’s operating and compliance costs in the short-term, and it could have a material adverse effect on the Company’s results of operation and financial condition.

The CompanyBank is subject to more stringent capital and liquidity requirements as a result of the Basel III regulatory capital reforms and the Dodd-Frank Act, the short-term and long-term impact of which is uncertain.

The Company and the Bank are eachis subject to capital adequacy guidelines and other regulatory requirements specifying minimum amounts and types of capital which each must maintain. From time to time, regulators implement changes to these regulatory capital adequacy guidelines. Under the Dodd-Frank Act, the federal banking agencies have established stricter capital requirements and leverage limits for banks and bank holding companies that are based on the Basel III regulatory capital reforms. These stricter capital requirements will be are beingphased-in over a four-year period, which began on January 1, 2015, until they are fully-implemented on January 1, 2019. The application of these more stringent capital requirements could, among other things, result in lower returns on equity, require the raising of additional capital and adversely affect future growth opportunities. In addition, if the Company and the Bank failfails to meet these minimum capital guidelines and/or other regulatory requirements, the Company’s financial condition could be materially and adversely affected.

Recent regulations issued by the CFPB could adversely impact the Company’s earnings.

The CFPB has broad rulemaking authority to administer and carry out the provisions of the Dodd-Frank Act with respect to financial institutions that offer covered financial products and services to consumers. Pursuant to the Dodd-Frank Act, the CFPB issued a final rule effective January 10, 2014, requiring mortgage lenders to make a reasonable and good faith determination based on verified and documented information that a consumer applying for a mortgage loan has a reasonable ability to repay the loan according to its terms, or to originate “qualified mortgages” that meet specific requirements with respect to terms, pricing, and fees. The rule also contains additional disclosure requirements at mortgage loan origination and in monthly statements. These requirements could limit the Company’s ability to make certain types of loans or loans to certain borrowers, or could make it more expensive and/or time consuming to make these loans, which could adversely impact the Company’s profitability.

Current and proposed regulation addressing consumer privacy and data use and security could increase the Company’s costs and impact its reputation.

The Company is subject to a number of laws concerning consumer privacy and data use and securities, including information safeguard rules under the Gramm-Leach-Bliley Act. These rules require that financial institutions develop, implement, and maintain a written, comprehensive information security program containing safeguards that are appropriate to the financial institution’s size and complexity, the nature and scope of the financial institution’s activities, and the sensitivity of any customer information at issue. The United States has experienced a heightened legislative and regulatory focus on privacy and data security, including requiring consumer notification in the event of a data breach. In addition, most states have enacted security breach legislation requiring varying levels of consumer notification in the event of certain types of security breaches. New regulations in these areas may increase compliance costs, which could negatively impact earnings. In addition, failure to comply with the privacy and data use and security laws and regulations to which the Company is subject, including by reason of inadvertent disclosure of confidential information, could result in fines, sanctions, penalties, or other adverse consequences and loss of consumer confidence, which could materially adversely affect our results of operations, overall business, and reputation.

Legislative or regulatory changes or actions, or significant litigation, could adversely affect the Company or the businesses in which the Company is engaged.

The Company is subject to extensive state and federal regulation, supervision, and legislation that govern almost all aspects of its operations. Laws and regulations change from time to time and are primarily intended for the protection of consumers, depositors, and the FDIC’s DIF. The impact of any changes to laws and regulations or other actions by regulatory agencies may negatively affect the Company or its ability to increase the value of its business. Such changes include higher capital requirements, and could include increased insurance premiums, increased compliance costs, reductions of noninterest income, and limitations on services that can be provided. Actions by regulatory agencies or significant litigation against the Company could cause it to devote significant time and resources to defend itself and may lead to liability or penalties that materially affect the Company and its shareholders. Future changes in the laws or regulations or their interpretations or enforcement could be materially adverse to the Company and its shareholders.

See the section of this report entitled “Supervision and Regulation” for additional information on the statutory and regulatory issues that affect the Company’s business.

Changes in accounting standards could impact reported earnings.earnings and capital.

The authorities that promulgate accounting standards, including the Financial Accounting Standards Board (the FASB), the United States Securities Exchange Commission (the SEC), and other regulatory authorities, periodically change the financial accounting and reporting standards that govern the preparation of the Company’s consolidated financial statements. These changes are difficult to predict and can materially impact how the Company records and reports its financial condition and results of operations. In some cases, the Company could be required to apply a new or revised standard retroactively, resulting in the restatement of financial statements for prior periods. Such changes could also impact the capital levels of the Company and the Bank, or require the Company to incur additional personnel or technology costs. Most notably, new guidance on the calculation of credit reserves using current expected credit losses was finalized in June, 2016. The standard will be effective for the Company beginning January 1, 2020. To implement the new standard, the Company will incur costs related to data collection and documentation, technology, and training. Implementation of the new standard could impact the required credit reserves, reported earnings, and capital levels of the Company and the Bank.

Changes in tax rates applicable to the Company may cause impairment of deferred tax assets.

The Company determines deferred income taxes using the balance sheet method. Under this method, each asset and liability is examined to determine the difference between its book basis and its tax basis. The difference between the book basis and the tax basis of each asset and liability is multiplied by the Company’s marginal tax rate to determine the net deferred tax asset or liability. Deferred income tax expense results from changes in deferred tax assets and liabilities between periods.

The marginal tax rate applicable to the Company, as with all entities subject to federal income tax, is based on the Company’s taxable income. If the Company’s taxable income declines such that the Company’s marginal tax rate declines, the change in deferred income tax assets and liabilities would result in an expense during the period that a lower marginal tax rate occurs. If changes in tax rates and laws are enacted, the company will recognize the changes in the period in which they occur. Changes in tax rates and laws could impair the Company’s deferred tax assets and result in an expense associated with the change in deferred tax assets and liabilities.

Risks Related To The Company’s Securities

The Company’s ability to pay dividends depends upon the results of operations of its Bank subsidiary.

The Company is a bank holding company that conducts substantially all of its operations through its subsidiary Bank. As a result, the Company’s ability to make dividend payments on its common stock depends primarily on certain federal regulatory considerations and the receipt of dividends and other distributions from the Bank. There are various regulatory restrictions on the ability of the Bank to pay dividends or make other payments to the Company. Although the Company has historically paid a cash dividend to the holders of its common stock, holders of the common stock are not entitled to receive dividends, and regulatory or economic factors may cause the Company’s Board of Directors to consider, among other things, the reduction of dividends paid on the Company’s common stock.

There is a limited trading market for the Company’s common stock; it may be difficult to sell shares.

The trading volume in the Company’s common stock has been relatively limited. Even if a more active market develops, there can be no assurance that a more active and liquid trading market for the common stock will exist in the future. Consequently, shareholders may not be able to sell a substantial number of shares for the same price at which shareholders could sell a smaller number of shares. In addition, the Company cannot predict the effect, if any, that future sales of its common stock in the market, or the availability of shares of common stock for sale in the market, will have on the market price of the common stock. Sales of substantial amounts of common stock in the market, or the potential for large amounts of sales in the market, could cause the price of the Company’s common stock to decline, or reduce the Company’s ability to raise capital through future sales of common stock. The lack of liquidity of the investment in the common shares should be carefully considered when making an investment decision.

Future issuances of the Company’s common stock could adversely affect the market price of the common stock and could be dilutive.

The Company is not restricted from issuing additional authorized shares of common stock, including any securities that are convertible into or exchangeable for, or that represent the right to receive, shares of common stock. Issuances of a substantial number of shares of common stock, or the expectation that such issuances might occur, including in connection with acquisitions by the Company, could materially adversely affect the market price of the shares of common stock and could be dilutive to shareholders. Because the Company’s decision to issue common stock in the future will depend on market conditions and other factors, it cannot predict or estimate the amount, timing, or nature of possible future issuances of its common stock. Accordingly, the Company’s shareholders bear the risk that future issuances will reduce the market price of the common stock and dilute their stock holdings in the Company.

The current economic conditions may cause volatility in the Company’s common stock value.

In the current economic environment, theThe value of publicly traded stocks in the financial services sector has beencan be volatile. However, even in a more stable economic environment theThe value of the Company’s common stock can also be affected by a variety of factors such as expected results of operations, actual results of operations, actions taken by shareholders, news or expectations based on the performance of others in the financial services industry, and expected impacts of a changing regulatory environment. These factors not only impact the value of the Company’s common stock but could also affect the liquidity of the stock given the Company’s size, geographical footprint, and industry.

The Company’s subordinated debt and junior subordinated debt are superior to our common stock, which may limit our ability to pay dividends on common stock in the future.

Our ability to pay dividends on common stock is also limited by contractual restrictions under our subordinated debt and junior subordinated debt. Interest must be paid on the subordinated debt and junior subordinated debt before dividends may be paid to common shareholders. The Company is current in its interest payments on subordinated debt and junior subordinated debt; however, it has the right to defer distributions on its junior subordinated debt, during which time no dividends may be paid on its common stock. If the Company does not have sufficient earnings in the future and begins to defer distributions on the junior subordinated debt, it will be unable to pay dividends on its common stock until it becomes current on those distributions.

The Company’s governing documents and Virginia law contain anti-takeover provisions that could negatively affect its shareholders.

The Company’s Articles of Incorporation and the Virginia Stock Corporation Act contain certain provisions designed to enhance the ability of the Board of Directors to deal with attempts to acquire control of the Company. These provisions and the ability to set the voting rights, preferences, and other terms of any series of outstanding preferred stock and preferred stock that may be issued, may be deemed to have an anti-takeover effect and may discourage takeovers (which certain shareholders may deem to be in their best interest). To the extent that such takeover attempts are discouraged, temporary fluctuations in the market price of the Company’s common stock resulting from actual or rumored takeover attempts may be inhibited. These provisions also could discourage or make more difficult a merger, tender offer, or proxy contest, even though such transactions may be favorable to the interests of shareholders, and could potentially adversely affect the market price of the Company’s common stock.

The Company may deregister under the Exchange Act, which would result in a reduction in the amount and frequency of publicly-available information about the Company.

The Jumpstart Our Business Startups Act (the JOBS Act) may allow the Company to terminate the registration of its common stock under the Exchange Act. If the Company determines to deregister its common stock under the Exchange Act, it would enable it to save significant expenses relating to its public disclosure and reporting requirements under the Exchange Act. However, ade-registration of common stock also would result in a reduction in the amount and frequency of publicly-available information about the Company and the Bank.

Item 1B. Unresolved Staff Comments

Not applicable.

Item 2. Properties

The Company, through its primary operating subsidiary, First Bank, owns or leases buildings that are used in the normal course of business. The Company’s headquarters is located at 112 West King Street, Strasburg, Virginia. The Bank owns or leases various other offices in the counties and cities in which it operates. At December 31, 2015,2016, the Bank operated 1514 branches throughout the Shenandoah Valley and the central Virginia regions. The Bank also operated two loan production offices in the Shenandoah Valley region of Virginia, as well as a customer service center in a retirement community. The Company’s operations center is in Strasburg, Virginia. All of the Company’s properties are in good operating condition and are adequate for the Company’s present and future needs. See Note 1 “Summary of Significant Accounting Policies,” Note 6, “Premises and Equipment” and Note 17, Lease Commitments in the “Notes to Consolidated Financial Statements” contained in Item 8 of this Form10-K for information with respect to the amounts at which Bank premises and equipment are carried and commitments under long-term leases.

Item 3. Legal Proceedings

There are no material pending legal proceedings to which the Company is a party or to which the property of the Company is subject.

Item 4. Mine Safety Disclosures

None.

Part II

Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities

Market Prices and Dividends

Shares of the common stock of the Company are traded on theover-the-counter (OTC) market and quoted on the OTC Markets Group exchange under the symbol “FXNC.” As of March 18, 201617, 2017 the Company had 603580 shareholders of record and approximately 559584 additional beneficial owners of shares of common stock.

Following are the high and low prices of sales of common stock known to the Company, along with the dividends that were paid quarterly in 20142015 and 20152016 (per share).

Dividend Policy

A discussion of certain limitations on the ability of the Bank to pay dividends to the Company and the ability of the Company to pay dividends on its common stock, is set forth in Part I., Item 1—Business, of this Form10-K under the headings “Supervision and Regulation - Limits on Dividends and Other Payments” and Item 1A—Risk Factors, “The Company’s subordinated debt and junior subordinated debt are superior to our common stock, which may limit our ability to pay dividends on common stock in the future.”

In the second quarter of 2014, the Company resumed payment of dividends on its common stock. The Company’s future dividend policy is subject to the discretion of its Board of Directors and will depend upon a number of factors, including future earnings, financial condition, liquidity and capital requirements of both the Company and the Bank, applicable governmental regulations and policies and other factors deemed relevant by the Board of Directors.

Stock Repurchases

The Company did not repurchase any shares of its common stock during 2015.2016.

Item 6. Selected Financial Data

The following is selected financial data for the Company for the last five years. This information has been derived from audited financial information included in Item 8 of this Form10-K (in thousands, except ratios and per share amounts).

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

The following discussion and analysis of the financial condition and results of operations of the Company for the years ended December 31, 20152016 and 20142015 should be read in conjunction with the consolidated financial statements and related notes to the consolidated financial statements included in Item 8 of this Form10-K.

Executive Overview

The Company

First National Corporation (the Company) is the bank holding company of:

First Bank Financial Services, Inc. invests in entities that provide title insurance and investment services. Shen-Valley Land Holdings, LLC was formed to hold other real estate owned and future office sites. The Trusts were formed for the purpose of issuing redeemable capital securities, commonly known as trust preferred securities and are not included in the Company’s consolidated financial statements.statements in accordance with authoritative accounting guidance because management has determined that the Trusts qualify as variable interest entities.

Products, Services, Customers and Locations

The Bank provides loan, deposit, wealth management and other products and services in the Shenandoah Valley and central regions of Virginia. Loan products and services include personal loans, residential mortgages, home equity loans and commercial loans. Deposit products and services include checking, savings, money market accounts, individual retirement accounts, certificates of deposit and cash management accounts.

The Bank’s wealth management department offers estate planning, investment management of assets, trustee under an agreement, trustee under a will, individual retirement accounts, and estate settlement. The Bank’s mortgage department originates residential mortgage loans to customers. Loans originated through this department may be sold to investors in the secondary market or held in the Bank’s loan portfolio. Mortgage services are offered to customers throughout the Bank’s market area.

The Bank’s office locations are well-positioned in attractive markets along the Interstate 81, Interstate 66 and Interstate 64 corridors in the Shenandoah Valley and central regions of Virginia. Within this market area, there are various types of industry including medical and professional services, manufacturing, retail, government contracting and higher education. Customers include individuals, small andmedium-sized businesses, local governmental entities andnon-profit organizations.

The Bank’s products and services are delivered through its mobile banking platform, its website, www.fbvirginia.com, a network of ATMs located throughout its market area, two loan production offices, a customer service center in a retirement village, and 14 bank branch office locations located throughout the Shenandoah Valley and central regions of Virginia. The branch offices are comprised of 13 full service retail banking offices and one drive-thru express banking office. For the location and general character of each of these offices, see Item 2 of this Form10-K.

Revenue Sources and Expense Factors

The primary source of revenue is from net interest income earned by the Bank. Net interest income is the difference between interest income and interest expense and typically represents between 70% and 80% of the Company’s total revenue. Interest income is determined by the amount of interest-earning assets outstanding during the period and the interest rates earned on those assets. The Bank’s interest expense is a function of the amount of interest-bearing liabilities outstanding during the period and the interest rates paid. In addition to net interest income, noninterest income is the other source of revenue for the Company. Noninterest income is derived primarily from service charges on deposits, fee income from wealth management services and ATM and check card fees.

Primary expense categories are salaries and employee benefits, which comprised 55% of noninterest expenses during 2016, followed by occupancy and equipment expense, which comprised 13% of noninterest expenses. Historically, the provision for loan losses has also been a primary expense of the Bank. The provision is determined by factors that include net charge-offs, asset quality, economic conditions and loan growth. Changing economic conditions caused by inflation, recession, unemployment or other factors beyond the Company’s control have a direct correlation with asset quality, net charge-offs and ultimately the required provision for loan losses.

Financial Performance and Condition

Net income available to common shareholders increased by $4.4 million to $5.9 million, or $1.20 per basic and diluted share, for the year ended December 31, 2016, compared to $1.5 million, or $0.31 per basic and diluted share, for the same period in 2015. Return on average assets was 0.84% and return on average equity was 12.00% for the year ended December 31, 2016, compared to 0.41% and 4.58%, respectively, for the year ended December 31, 2015.

The $4.4 million increase in net income available to common shareholders for the year ended December 31, 2016 resulted from a $2.5 million, or 12%, increase in net interest income, a $151 thousand, or 2%, increase in noninterest income, and a $2.1 million, or 8%, decrease in noninterest expenses, compared to the same period of 2015. These improvements were partially offset by a $100 thousand decrease in recovery of loan losses and a $1.4 million increase in income tax expense. Net income available to common shareholders also increased due to a $1.1 million decrease in the effective dividend on preferred stock, when comparing the periods.

Net interest income increased from a higher net interest margin and from higher average earning asset balances. Average earning asset balances increased 10% and the net interest margin increased 3%, or 9 basis points, to 3.61% for the year ended December 31, 2016, compared to 3.52% for the same period in 2015. Noninterest expense decreased primarily from lower salaries and employee benefit expense, lower supplies expense, lower legal and professional fees, and lower net expenses related to other real estate owned. The decrease in the effective dividend and accretion on preferred stock resulted from the redemption of all outstanding preferred stock in the prior year. Based on management’s analysis and the supporting allowance for loan loss calculation, a provision for (or recovery of) loan losses was not recorded during the year ended December 31, 2016, compared to a recovery of loan losses of $100 thousand for the same period one year ago.

Debt Issuance and Preferred Stock Redemption

During 2015, the Bank declared and paid cash dividends on common stock to the Company totaling $13.5 million. In addition, the Company entered into a Subordinated Loan Agreement on October 30, 2015 pursuant to which the Company issued an interest only subordinated term note in the aggregate principal amount of $5.0 million (the Note). The Note bears interest at a fixed rate of 6.75% per annum with a maturity date of October 1, 2025. On November 6, 2015, the Company used the proceeds from the dividends and from the issuance of the Note to redeem all 13,900 outstanding shares of its Fixed Rate Perpetual Preferred Stock, Series A, totaling $13.9 million, and all 695 shares of outstanding Fixed Rate Perpetual Preferred Stock, Series B, totaling $695 thousand.

Acquisition of Branches

On April 17, 2015, the Bank expanded its branch network in the Shenandoah Valley and central Virginia regions through the acquisition of six bank branches from Bank of America, National Association located in Woodstock, Staunton, Elkton, Waynesboro, Farmville and Dillwyn, Virginia (the Acquisition). The Acquisition included the purchase of $4.5 million of premises and equipment and the assumption of $186.8 million of deposit liabilities. No loans were purchased in the transaction. Upon completion of the Acquisition, the Bank hired all 36 of the employees working at the six acquired branches. During second quarter of 2015, the Bank also hired a regional president and appointed two market executives in the new markets. As a result of the transaction, the Bank increased the number of bank branch locations from 10 to 16, in addition to its existing loan production office in the city of Harrisonburg, Virginia, and its customer service center located in a retirement community in Winchester, Virginia.

Products, Services, Customers and Locations

The Bank provides loan, deposit, wealth management and other products and services in the Shenandoah Valley and central regions of Virginia. Loan products and services include personal loans, residential mortgages, home equity loans and commercial loans. Deposit products and services include checking, savings, money market accounts, individual retirement accounts, certificates of deposit and cash management accounts.

The Bank’s wealth management department offers estate planning, investment management of assets, trustee under an agreement, trustee under a will, individual retirement accounts, and estate settlement. The Bank launched a mortgage department during the second quarter of 2014. The mortgage department began originating residential mortgage loans to customers in the third quarter of 2014. Loans originated through this department may be sold to investors in the secondary market or held in the Bank’s loan portfolio. Mortgage services are offered to customers throughout the Bank’s market area.

The Bank’s office locations are well-positioned in attractive markets along the Interstate 81, Interstate 66 and Interstate 64 corridors in the Shenandoah Valley and central regions of Virginia. Within this market area, there are various types of industry including medical and professional services, manufacturing, retail, government contracting and higher education. Customers include individuals, small and medium-sized businesses, local governmental entities and non-profit organizations.

The Bank’s products and services are delivered through its mobile banking platform, its website, www.fbvirginia.com, a network of ATMs located throughout its market area, two loan production offices, a customer service center in a retirement village, and 15 bank branch office locations located throughout the Shenandoah Valley and central regions of Virginia. The branch offices are comprised of 13 full service retail banking offices and two drive-thru express banking offices. For the location and general character of each of these offices, see Item 2 of this Form 10-K.

Revenue Sources and Expense Factors

The primary source of revenue is from net interest income earned by the Bank. Net interest income is the difference between interest income and interest expense and typically represents between 70% and 80% of the Company’s total revenue. Interest income is determined by the amount of interest-earning assets outstanding during the period and the interest rates earned on those assets. The Bank’s interest expense is a function of the amount of interest-bearing liabilities outstanding during the period and the interest rates paid. In addition to net interest income, noninterest income is the other source of revenue for the Company. Noninterest income is derived primarily from service charges on deposits, fee income from wealth management services and ATM and check card fees.

Primary expense categories are salaries and employee benefits, which comprised 54% of noninterest expenses during 2015, followed by occupancy and equipment expense, which comprised 12% of noninterest expenses. Historically, the provision for loan losses has also been a primary expense of the Bank. The provision is determined by factors that include net charge-offs, asset quality, economic conditions and loan growth. Changing economic conditions caused by inflation, recession, unemployment or other factors beyond the Company’s control have a direct correlation with asset quality, net charge-offs and ultimately the required provision for or recovery of loan losses.

Financial Performance and Condition

For the year ended December 31, 2015, net income totaled $2.7 million, compared to $7.6 million in 2014. After the effective dividend on preferred stock, net income available to common shareholders was $1.5 million, or $0.31 per basic and diluted share compared to $6.5 million, or $1.32 per basic and diluted share, for the same period in 2014. Return on average assets was 0.41% and return on average equity was 4.58% for the year ended December 31, 2015, compared to 1.45% and 13.49%, respectively, for the year ended December 31, 2014. The decrease in earnings and profitability ratios for 2015 compared to 2014 was primarily a result of a $6.8 million increase in noninterest expenses in 2015, primarily due to the Acquisition, and the $3.8 million decrease in the recovery of loan losses.

Net interest income increased 11%, or $2.1 million to $20.7 million for the year ended December 31, 2015, compared to $18.6 million for the prior year. The net interest margin was 3.52% compared to 3.86% for the same period in 2014. The lower net interest margin resulted primarily from the significant increase in lower-yielding interest-bearing deposits in banks and securities from cash received in the Acquisition. Although the net interest margin was lower, net interest income increased primarily from higher balances of earning assets, including loans and securities. Net interest income also increased due to a reduction in interest expense that was driven by a lower cost to fund earning assets.

Noninterest income increased $898 thousand, or 12%, to $8.3 million compared to $7.4 million for 2014. The increase in noninterest income was primarily attributable to increased revenue from service charges on deposit accounts and ATM and check card fees resulting from an increase in the number of transaction-based deposit accounts assumed in the Acquisition.

Noninterest expense increased 36%, or $6.8 million to $25.6 million for the year ended December 31, 2015 compared to $18.8 million for 2014. The increase in expenses was primarily attributable to higher salaries and employee benefit costs and increased operating costs that resulted from the recent Acquisition and expansion into new markets, which also added a core deposit intangible. The expansion included hiring experienced commercial bankers in the second quarter of 2015. The new employees hired and the acquisition and operation of six additional banking offices increased salaries and employee benefits, occupancy, equipment, legal and professional fees, and core deposit intangible amortization expense. Total integration expenses related to the Acquisition totaled $908 thousand for the year ended December 31, 2015.

The Bank recorded a recovery of loan losses of $100 thousand, compared to a recovery of loan losses of $3.9 million for the same period one year ago. The recovery of loan losses during 2015 was attributable to a decrease in the specific reserve component of the allowance for loan losses, which was partially offset by an increase in the general reserve component

primarily due to growth of the loan portfolio. For the year ended December 31, 2014, the recovery of loan losses resulted primarily from a decrease in the general reserve component of the allowance for loan losses due to a decline in historical charge-offs during the three year look back period consistently used by the Bank.

Non-GAAP Financial Measures

This report refers to the efficiency ratio, which is computed by dividing noninterest expense, excluding OREO income/(expense) and, amortization of intangibles, losses on disposal of premises and equipment, and acquisition and integration related expenses, by the sum of net interest income on atax-equivalent basis and noninterest income, excluding securities losses/(gains)/losses and bargain purchase gain. This is anon-GAAP financial measure that the Company believes provides investors with important information regarding operational efficiency. Such information is not prepared in accordance with U.S. generally accepted accounting principles (GAAP) and should not be construed as such. Management believes, however, such financial information is meaningful to the reader in understanding operating performance, but cautions that such information not be viewed as a substitute for GAAP. The Company, in referring to its net income, is referring to income under GAAP. The components of the efficiency ratio calculation are summarized in the following table (dollars in thousands).

This report also refers to net interest margin, which is calculated by dividing tax equivalent net interest income by total average earning assets. Because a portion of interest income earned by the Company is nontaxable, the tax equivalent net interest income is considered in the calculation of this ratio. Tax equivalent net interest income is calculated by adding the tax benefit realized from interest income that is nontaxable to total interest income then subtracting total interest expense. The tax rate utilized in calculating the tax benefit for each ofboth 2016 and 2015 and 2014 is 34%. The reconciliation of tax equivalent net interest income, which is not a measurement under GAAP, to net interest income, is reflected in the table below (in thousands).

Critical Accounting Policies

General

The Company’s consolidated financial statements and related notes are prepared in accordance with GAAP. The financial information contained within the statements is, to a significant extent, financial information that is based on measures of the financial effects of transactions and events that have already occurred. A variety of factors could affect the ultimate value that is obtained either when earning income, recognizing an expense, recovering an asset or relieving a liability. The Bank uses historical loss factorslosses as one factor in determining the inherent loss that may be present in the loan portfolio. Actual losses could differ significantly from the historical factors used. In addition, GAAP itself may change from one previously acceptable method to another. Although the economics of transactions would be the same, the timing of events that would impact transactions could change.

Presented below is a discussion of those accounting policies that management believes are the most important (“Critical Accounting Policies”) to the portrayal and understanding of the Company’s financial condition and results of operations. The Critical Accounting Policies require management’s most difficult, subjective and complex judgments about matters that are inherently uncertain. In the event that different assumptions or conditions were to prevail, and depending upon the severity of such changes, the possibility of materially different financial condition or results of operations is a reasonable likelihood.

Allowance for Loan Losses

The allowance for loan losses is established as losses are estimated to have occurred through a provision for (or recovery of) loan losses charged to earnings. Loan losses are charged against the allowance when management determines that the loan balance is uncollectible. Subsequent recoveries, if any, are credited to the allowance. For further information about the Company’s loans and the allowance for loan losses, see Notes 1, 3 and 4 in this Form10-K.

The allowance for loan losses is evaluated on a quarterly basis by management and is based upon management’s periodic review of the collectability of the loans in light of historical experience, the nature and volume of the loan portfolio, adverse situations that may affect the borrower’s ability to repay, estimated value of any underlying collateral and prevailing economic conditions. This evaluation is inherently subjective as it requires estimates that are susceptible to significant revision as more information becomes available.

The Company performs regular credit reviews of the loan portfolio to review credit quality and adherence to underwriting standards. The credit reviews consist of reviews by its internal credit administration department and reviews performed by an independent third party. Upon origination, each loan is assigned a risk rating ranging from one to nine, with loans closer to one having less risk. This risk rating scale is our primary credit quality indicator. The Company has various committees that review and ensure that the allowance for loans losses methodology is in accordance with GAAP and loss factors used appropriately reflect the risk characteristics of the loan portfolio.

The allowance represents an amount that, in management’s judgment, will be adequate to absorb any losses on existing loans that may become uncollectible. Management’s judgment in determining the level of the allowance is based on evaluations of the collectability of loans while taking into consideration such factors as trends in delinquencies and charge-offs, changes in the nature and volume of the loan portfolio, current economic conditions that may affect a borrower’s ability to repay and the value of the collateral, overall portfolio quality and review of specific potential losses. The evaluation also considers the following risk characteristics of each loan portfolio class:

The allowance for loan losses consists of specific and general components. The specific component relates to loans that are classified as impaired, and is established when the discounted cash flows, fair value of collateral less estimated costs to sell or observable market price of the impaired loan is lower than the carrying value of that loan. For collateral dependent loans, an updated appraisal is ordered if a current one is not on file. Appraisals are performed by independent third-party appraisers with relevant industry experience. Adjustments to the appraised value may be made based on recent sales of like properties or general market conditions among other considerations.

The general component covers loans that are not considered impaired and is based on historical loss experience adjusted for qualitative factors. The historical loss experience is calculated by loan type and uses an average loss rate during the preceding twelve quarters. The qualitative factors are assigned by management based on delinquencies and asset quality, national and local economic trends, effects of the changes in the value of underlying collateral, trends in volume and nature of loans, effects of changes in the lending policy, the experience and depth of management, concentrations of credit, quality of the loan review system and the effect of external factors such as competition and regulatory requirements. The factors assigned differ by loan type. The general allowance estimates losses whose impact on the portfolio has yet to be recognized by a specific allowance. Allowance factors and the overall size of the allowance may change from period to period based on management’s assessment of the above described factors and the relative weights given to each factor. For further information regarding the allowance for loan losses see Notes 1 and 4 to the Consolidated Financial Statements.

Other Real Estate Owned (OREO)

Other real estate owned (OREO) consists of properties obtained through a foreclosure proceeding or through anin-substance foreclosure in satisfaction of loans and properties originally acquired for branch expansion but no longer intended to be used for that purpose. OREO is initially recorded at fair value less estimated costs to sell to establish a new cost basis. OREO is subsequently reported at the lower of cost or fair value less costs to sell, determined on the basis of current appraisals, comparable sales, and other estimates of fair value obtained principally from independent sources, adjusted for estimated selling costs. Management also considers other factors or recent developments, such as changes in absorption rates or market conditions from the time of valuation and anticipated sales values considering management’s plans for disposition, which could result in adjustments to the collateral value estimates indicated in the appraisals. Significant judgments and complex estimates are required in estimating the fair value of other real estate owned, and the period of time within which such estimates can be considered current is significantly shortened during periods of market volatility. In response to market conditions and other economic factors, management may utilize liquidation sales as part of its distressed asset disposition strategy. As a result of the significant judgments required in estimating fair value and the variables involved in different methods of disposition, the net proceeds realized from sales transactions could differ significantly from appraisals, comparable sales, and other estimates used to determine the fair value of other real estate.estate owned. Management reviews the value of other real estate owned each quarter and adjusts the values as appropriate. Revenue and expenses from operations and changes in the valuation allowance are included in other real estate owned expense (income). expense.

Business Combinations

Business combinations are accounted for under ASC 805,Business Combinations,, using the acquisition method of accounting. The acquisition method of accounting requires an acquirer to recognize the assets acquired and the liabilities assumed at the acquisition date measured at their fair values as of that date. To determine the fair values, the Company will relyrelies on third party valuations, such as appraisals, or internal valuations based on discounted cash flow analyses or other valuation techniques. The determination of fair values requires management to make estimates about future cash flows, market conditions and other events, which are highly subjective in nature. Under the acquisition method of accounting, the Company will identify the acquirer and the closing date and apply applicable recognition principles and conditions.

Acquisition-related costs are incremental costs the Company incurs to effect a business combination. Those costs include advisory, legal, accounting, valuation, and other professional or consulting fees. Some other examples of acquisition-related costs to the Company include system conversions, integration planning consultants, and advertising costs. The Company will account for acquisition-related costs as expenses in the periods in which the costs are incurred and the services are received. The costs to issue debt or equity securities will be recognized in accordance with other applicable U.S. GAAP. These acquisition-related costs are included within the Consolidated Statements of Income classified within the noninterest expense caption.

Pension Plan

The Company’s actuary determines plan obligations and annual pension expense using a number of key assumptions. Key assumptions may include the discount rate, the estimated return on plan assets and the anticipated rate of compensation increases. Changes in these assumptions in the future, if any, or in the method under which benefits are calculated may impact pension assets, liabilities or expense.

Other-Than-Temporary Impairment of Securities

Impairment of securities occurs when the fair value of a security is less than its amortized cost. For debt securities, impairment is considered other-than-temporary and recognized in its entirety in net income if either the Company (1) intends to sell the security or (2) it is more likely than not that it will be required to sell the security before recovery of its amortized cost basis. If, however, the Company does not intend to sell the security and it is not more-than-likely that it will be required to sell the security before recovery, the Company must determine what portion of the impairment is attributable to a credit loss, which occurs when the amortized cost of the security exceeds the present value of the cash flows expected to be collected from the security. If there is no credit loss, there is no other-than-temporary impairment. If there is a credit loss, other-than-temporary impairment exists, and the credit loss must be recognized in net income and the remaining portion of impairment must be recognized in other comprehensive income (loss). For equity securities carried at cost, such as restricted securities, impairment is considered to be other-than-temporary based on the Company’s ability and intent to hold the investment until a recovery of fair value. Other-than-temporary impairment of an equity security results in a write-down that must be included in income. The Company regularly reviews each security for other-than-temporary impairment based on criteria that include the extent to which cost exceeds market price, the duration of that market decline, the financial health of and specific prospects for the issuer, the best estimate of the present value of cash flows expected to be collected from debt securities, the Company’s intention with regard to holding the security to maturity and the likelihood that the Company would be required to sell the security before recovery.

Lending Policies

General

In an effort to manage risk, the Bank’s loan policy gives loan amount approval limits to individual loan officers based on their position within the Bank and level of experience. The Management Loan Committee can approve new loans up to their authority. The Board Loan Committee approves all loans which exceed the authority of the Management Loan Committee. The full Board of Directors must approve loans which exceed the authority of the Board Loan Committee, up to the Bank’s legal lending limit. The Board Loan Committee currently consists of four directors, three of which arenon-management directors. The Board Loan Committee approves the Bank’s Loan Policy and reviews risk management reports, including watch list reports and concentrations of credit and other risk management reports.credit. The Board Loan Committee meets on a monthly basis and the Chairman of the Committee then reports to the Board of Directors.

Residential loan originations are primarily generated by mortgage loan officer solicitations and referrals by real estate professionals and customers. Commercial real estate loan originations are obtained through direct solicitation and additional business from existing customers. All completed loan applications are reviewed by the Bank’s loan officers. As part of the application process, information is obtained concerning the income, financial condition, employment and credit history of the applicant. Loan quality is analyzed based on the Bank’s experience and credit underwriting guidelines depending on the type of loan involved. Real estate collateral is valued by independent appraisers who have beenpre-approved by the Board Loan Committee.

As part of the ongoing monitoring of the credit quality of the Company’s loan portfolio, certain appraisals are analyzed by management or by an outsourced appraisal review specialist throughout the year in order to ensure standards of quality are met. The Company also obtains an independent review of loans within the portfolio on an annual basis to analyze loan risk ratings and validate specific reserves on impaired loans.

In the normal course of business, the Bank makes various commitments and incurs certain contingent liabilities which are disclosed but not reflected in its financial statements, including commitments to extend credit. At December 31, 2015,2016, commitments to extend credit,stand-by letters of credit and rate lock commitments totaled $79.6$90.5 million.

Construction and Land Development Lending

The Bank makes local construction loans, including residential and land acquisition and development loans. These loans are secured by the property under construction and the underlying land for which the loan was obtained. The majority of these loans have an average life of approximately one year andre-price monthly as key rates change. Construction lending entails significant additional risks, compared with residential mortgage lending. Construction loans sometimes involve larger loan balances concentrated with single borrowers or groups of related borrowers. Another risk involved in construction lending is the fact that loan funds are advanced upon the security of the land or property under construction, which value is estimated based on the completion of construction. Thus, there is risk associated with failure to complete construction and potential cost overruns. To mitigate the risks associated with construction lending, the Bank generally limits loan amounts to 80% of the appraised value, in addition to analyzing the creditworthiness of its borrowers. The Bank typically obtains a first lien on the property as security for its construction loans, typically requires personal guarantees from the borrower’s principal owners, and typically monitors the progress of the construction project during the draw period.

1-4 Family Residential Real Estate Lending

1-4 family residential lending activity may be generated by Bank loan officer solicitations and referrals by real estate professionals and existing or new bank customers. Loan applications are taken by a Bank loan officer. As part of the application process, information is gathered concerning income, employment and credit history of the applicant. Residential mortgage loans generally are made on the basis of the borrower’s ability to make payments from employment and other income and are secured by real estate whose value tends to be readily ascertainable. In addition to the Bank’s underwriting standards, loan quality may be analyzed based on guidelines issued by a secondary market investor. The valuation of residential collateral is generally provided by independent fee appraisers who have been approved by the Board Loan Committee. In addition to originating fixed rate mortgage loans with the intent to sell to correspondent lenders or broker to wholesale lenders, the Bank originates balloon and other mortgage loans for the portfolio. Depending on the financial goals of the Company, the Bank occasionally originates and retains these loans.

Commercial Real Estate Lending

Commercial real estate loans are secured by various types of commercial real estate typically in the Bank’s market area, including multi-family residential buildings, commercial buildings and offices, hotels, small shopping centers, farms and churches. Commercial real estate loan originations are obtained through direct solicitation of customers and potential customers. The valuation of commercial real estate collateral is provided by independent appraisers who have been approved by the Board Loan Committee. Commercial real estate lending entails significant additional risk, compared with residential mortgage lending. Commercial real estate loans typically involve larger loan balances concentrated with single borrowers or groups of related borrowers. Additionally, the payment experience on loans secured by income producing properties is typically dependent on the successful operation of a business or a real estate project and thus may be subject, to a greater extent, to adverse conditions in the real estate market or in the economy in general. The Bank’s commercial real estate loan underwriting criteria require an examination of debt service coverage ratios, the borrower’s creditworthiness, prior credit history and reputation. The Bank typically requires personal guarantees of the borrowers’ principal owners and considers the valuation of the real estate collateral.

Commercial and Industrial Lending

Commercial and industrial loans generally have a higher degree of risk than loans secured by real estate, but typically have higher yields. Commercial business loans typically are made on the basis of the borrower’s ability to make repayment from cash flow from its business and are secured by business assets, such as accounts receivable, equipment and inventory. As a result, the availability of funds for the repayment of commercial business loans is substantially dependent on the success of the business itself. Furthermore, the collateral for commercial business loans may depreciate over time and generally cannot

be appraised with as much reliability as residential real estate.

ConsumerPersonal Lending

The Bank offers variousLoans to individual borrowers may be secured or unsecured, and unsecured consumer loans, includinginclude unsecured personal loans and lines of credit, automobile loans, deposit account loans and installment and demand loans. ConsumerThese personal loans may entail greater risk than residential mortgage loans, particularly in the case of consumerpersonal loans which are unsecured, such as lines of credit, or secured by rapidly depreciable assets such as automobiles. In such cases, any repossessed collateral for a defaulted consumerpersonal loan may not provide an adequate source of repayment of the outstanding loan balance as a result of the greater likelihood of damage, loss or depreciation. ConsumerPersonal loan collections are dependent on the borrower’s continuing financial stability, and thus are

more likely to be adversely affected by job loss, divorce, illness or personal bankruptcy. Furthermore, the application of various federal and state laws, including federal and state bankruptcy and insolvency laws, may limit the amount which can be recovered on such loans.

The underwriting standards employed by the Bank for consumerpersonal loans include a determination of the applicant’s payment history on other debts and an assessment of ability to meet existing obligations and payments on a proposed loan. The stability of the applicant’s monthly income may be determined by verification of gross monthly income from primary employment, and additionally from any verifiable secondary income. Although creditworthiness of the applicant is of primary consideration, the underwriting process also includes an analysis of the value of the collateral in relation to the proposed loan amount.

Results of Operations

General

Net interest income represents the primary source of earnings for the Company. Net interest income equals the amount by which interest income on interest-earning assets, predominantly loans and securities, exceeds interest expense on interest-bearing liabilities, including deposits, other borrowings, subordinated debt and junior subordinated debt. Changes in the volume and mix of interest-earning assets and interest-bearing liabilities, as well as their respective yields and rates, are the components that impact the level of net interest income. The net interest margin is calculated by dividingtax-equivalent net interest income by average earning assets. The provision for (recovery of) loan losses, noninterest income and noninterest expense are the other components that determine net income. Noninterest income and expense primarily consists of income from service charges on deposit accounts;accounts, revenue from wealth management services;services, ATM and check card income;income, revenue from other customer services;services, income from bank owned life insurance;insurance, general and administrative expenses, amortization expense, and other real estate owned expenses.income or expense.

Net Interest Income

Net interest income increased $2.1$2.5 million, or 11%12%, to $20.7$23.3 million for the year ended December 31, 2015,2016, compared to $18.6$20.7 million for the prior year. The increase in net interest income resulted primarily from a $107.3 million increase in average earning assets as well as a reduction in the cost of funds when comparing the periods. The increase in average earning assets resulted primarily from the Acquisition, and was comprised of a $47.7 million increase in average interest-bearing deposits in banks, a $26.0 million increase in average securities, and a $33.6 million increase in average loans.

Thehigher net interest margin decreased 34and from higher average earning asset balances. Average earning asset balances increased 10%, and the net interest margin increased 3%, or 9 basis points, to 3.52%,3.61% for the year ended December 31, 2016, compared to 3.86%3.52% for the prior year.same period in 2015. The decrease9 basis point increase in the net interest margin resulted primarily from a 4615 basis point decrease in the total earning asset yield, which was partially offset by a 12 basis point decrease in interest expense as a percentage of average earning assets. The decrease in the total earning asset yield was primarily a result of a change in the composition of average earning assets. Average interest-bearing deposits in banks increased from 3% of average earning assets in 2014 to 11% in 2015, while average loans decreased from 75% to 67% of average earning assets, when comparing the same periods. These changes were largely impacted by the receipt of $186.1 million in cash from the Acquisition. The decreaseincrease in the yield on total earning assets, for 2015 resulted primarily fromwhich was partially offset by a 6 basis point increase in interest expense as a percent of average earning assets.

The higher yield on earning assets was attributable to the change in the composition of earning asset composition (or mix)assets, as average loan balances increased to 71% of average earning assets for the yield on interest-bearingyear ended December 31, 2016, compared to 67% of average earning assets for the same period in 2015. Interest-bearing deposits in banks of 0.31% was significantly lower than the yield on loans of 4.82%

Interest expensewith other institutions decreased as a percentage of average earning assets, decreased 12 basis points from 0.36%comparing the same periods. The change in 2014 to 0.24% in 2015. The decrease in expense was also primarily attributable to the Acquisition as yieldsearning asset composition had a favorable impact on deposits assumed decreased the total cost of funds for the year and had a positive impactearning asset yield as loan rates were greater than rates earned on netinterest-bearing deposits with other institutions. The increase in interest income and the net interest margin.

The net interest margin was 3.52% in 2015, 3.86% in 2014 and 3.72% in 2013. Tax-equivalent interest income as a percent of average earning assets was 3.76% in 2015, 4.22% in 2014 and 4.26% in 2013. Interest expense as a percent of average earning assets was 0.24%primarily attributable to the issuance of subordinated debt in the fourth quarter of 2015 0.36% in 2014 and 0.54% in 2013. The interest rate spread was 3.43% in 2015, 3.73% in 2014 and 3.57% in 2013.the impact of holding the subordinated debt for the full year of 2016.

The following table provides information on average interest-earning assets and interest-bearing liabilities for the years ended December 31, 2016, 2015 2014 and 2013,2014, as well as amounts and rates of tax equivalent interest earned and interest paid (dollars in thousands). The volume and rate analysis table analyzes the changes in net interest income for the periods broken down by their rate and volume components (in thousands).

Average Balances, Income and Expense, Yields and Rates (Taxable Equivalent Basis)