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UNITED STATES SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-K

xANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 20162017

oTRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Commission file number 0-15950

FIRST BUSEY CORPORATION

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code  (217) 365-4544

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

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

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.

Yes ox                    No xo

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 o                    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 o

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 Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).

Yes x                    No o

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company, or an emerging growth company. See the definition of “large accelerated filer,” “accelerated filer”filer,” “smaller reporting company,” and “smaller reporting“emerging growth company” in Rule 12b-2 of the Exchange Act. (Check one):

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

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act).

Yes o                    No x

The aggregate market value of the voting and non-voting common equity held by non-affiliates on the last business day of the registrant’s most recently completed second fiscal quarter was $746.4 million,$1.0 billion, determined using a per share closing price for the registrant’s common stock on that date of $21.39,$29.32, as quoted on The Nasdaq Global Select Market.

As of February 28, 2017,2018, there were 38,231,65448,691,633 shares of the registrant’s common stock, $0.001 par value, outstanding.

Table of Contents

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the definitive Proxy Statement for the 20172018 Annual Meeting of Stockholders of First Busey Corporation to be held May 24, 2017,23, 2018, are incorporated by reference in this Form 10-K in response to Part III.

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FIRST BUSEY CORPORATION

Form 10-K Annual Report

Table of ContenContentsts

Part I

Item 1. Business

Introduction

First Busey Corporation (“First Busey” or the “Company”), a Nevada Corporation, initially organized in 1980, is a $5.4$7.9 billion financial holding company which was initially organized as a bank holding company in 1980.  First Busey conductsconducting a broad range of financial services through its banking and non-banking subsidiaries.  First Busey has oneconsists of two wholly-owned bank subsidiary,subsidiaries, Busey Bank, (“Busey Bank” or the “Bank”), which haswith banking centers in Illinois, Missouri, Florida and Indiana.Indiana and South Side Trust & Savings Bank of Peoria (“South Side Bank”), with banking centers in Illinois (Busey Bank and South Side Bank are collectively referred to in this Annual Report on Form 10-K as the “Banks” or “subsidiary banks”).  First Busey is headquartered in Champaign, Illinois, and its common stock is traded on The Nasdaq Global Select Market under the symbol “BUSE.”

On May 20, 2015,Throughout 2017, the Company continued to execute its strategy of organically growing loans and deposits within its market footprint. To supplement this organic growth, in 2017, the Company closed on two bank acquisitions which added approximately $2.0 billion in banking assets to the Company’s stockholders approvedbalance sheet and approximately $700.0 million in wealth management assets under care. These acquisitions strengthened the Company’s position within its existing footprint and into a resolutionnew market, expanding the Company’s retail and loan origination network and the Company’s wealth management line of business.

During 2017, the Company focused on successfully integrating the acquired banks. As part of its integration process, the Company evaluated the acquired banks’ product offerings, markets and delivery systems and processes in order to authorizeselect the boardbest of directorsthese aspects to implementincorporate within the combined Company. Consistent with this approach, First Busey determined its mortgage origination activity should be within its market footprint. Therefore, in December 2017, the Company executed a reverse stock splittransaction to transfer personnel and associated mortgage loan production outside of the Company’s common stock at a ratio of one-for-three (the “Reverse Stock Split”).  On August 17, 2015,First Busey footprint to an independent third party which allows the board of directors authorized the Reverse Stock Split, which became effectiveCompany to efficiently focus on September 8, 2015.  All share and per share information has been restated for all prior periods presented in this Annual Report on Form 10-K to give retroactive effect to the Reverse Stock Split.its markets.

Acquisitions

On January 8, 2015, First Busey acquired Herget Financial Corp., a Delaware corporation (“Herget Financial”), and its wholly-owned bank subsidiary, Herget Bank, National Association (“Herget Bank”).  First Busey operated Herget Bank as a separate banking subsidiary from January 9, 2015 until March 13, 2015, when it was merged with and into Busey Bank.  At that time, Herget Bank’s banking centers became banking centers of Busey Bank.

On April 30, 2016, First Busey acquired Pulaski Financial Corp., a Missouri corporation (“Pulaski”), and its wholly-owned bank subsidiary, Pulaski Bank, National Association (“Pulaski Bank”).  First Busey operated Pulaski Bank as a separate bankingbank subsidiary from May 1, 2016 until November 4, 2016, when it was merged with and into Busey Bank.  At that time, Pulaski Bank’s branchesbanking centers became branchesbanking centers of Busey Bank.  In 2015,The acquisition of Pulaski expanded the Company into the St. Louis, Missouri metropolitan area.

On July 2, 2017, First Busey acquired HergetFirst Community Financial Corp.Partners, Inc., an Illinois corporation (“Herget Financial”First Community”), headquartered in Pekin, Illinois and its wholly ownedwholly-owned bank subsidiary, HergetFirst Community Financial Bank.  First Busey operated First Community Financial Bank National Association (“Herget Bank”).as a separate bank subsidiary from July 3, 2017 until November 3, 2017, when it was merged with and into Busey Bank.  At that time, First Community Financial Bank’s banking centers became banking centers of Busey Bank. The operating resultsFirst Community acquisition provided the Company entrance into the demographically and economically attractive southwest suburban markets of Pulaskithe greater Chicagoland area and Herget Financial are included withis part of the Company’s resultsstrategy of operations since each dateexpanding into markets with both population and commercial density in the Midwest.

On October 1, 2017, First Busey acquired Mid Illinois Bancorp, Inc., an Illinois corporation (“Mid Illinois”) and its wholly-owned bank subsidiary, South Side Bank.  It is anticipated that South Side Bank will be merged with and into Busey Bank in the first quarter of acquisition. 2018.  At the time of the bank merger, South Side Bank’s banking centers will become banking centers of Busey Bank.

See “Note 2. Acquisitions” in the Notes to the Consolidated Financial Statements for further information relating to these acquisition.acquisitions.

On February 6, 2017, the Company entered into an Agreement and Plan of Merger (the “Merger Agreement”) with First Community Financial Partners, Inc., an Illinois corporation (“First Community”), pursuant to which First Community will merge into First Busey, with First Busey as the surviving corporation (the “Merger”).  It is anticipated that First Community Financial Bank, First Community’s wholly-owned bank subsidiary, will be merged with and into First Busey’s bank subsidiary, Busey Bank, at a date following the completion of the holding company merger. At the time of the bank merger, First Community Financial Bank’s banking offices will become branches of Busey Bank. The Merger is anticipated to be completed in mid-2017, and is subject to the satisfaction of customary closing conditions contained in the Merger Agreement including the approval of the appropriate regulatory authorities and the stockholders of First Community. As of December 31, 2016, First Community had total consolidated assets of $1.3 billion, total loans of $991.6 million and total deposits of $1.1 billion.  See “Note 2. Acquisitions” in the Notes to the Consolidated Financial Statements for further information relating to this planned acquisition.

Subsidiaries of First Busey

First Busey conducts the business of banking and related services through theBusey Bank and South Side Bank; asset management, brokerage and fiduciary services through Busey Wealth Management, Inc. (“Busey Wealth Management”) and, Trevett Capital Partners (“Trevett”), and South Side Bank; and retail payment processing through FirsTech, Inc. (“FirsTech”).

TheBusey Bank is an Illinois state-chartered bank organized in 1868 with its headquarters in Champaign, Illinois.  TheBusey Bank has 2837 banking centers in Illinois, 13 in Missouri, five in southwest Florida and one in Indianapolis, Indiana.  The Company also offers mortgage loan products through loan production officesSouth Side Bank is an Illinois state-chartered bank organized in 1922 with its headquarters in Peoria, Illinois.  South Side Bank has 13 banking centers in the St. Louis, Kansas City, Chicago, and Omaha-Council Bluffs metropolitan areas and other locations across the Midwest.greater Peoria, Illinois area.

The Bank offersBanks offer a full range of diversified financial products and services for consumers and businesses, including innovative online and mobile banking capabilities to conveniently serve our customers’ needs.  Services include commercial, agricultural and real estate loans, and retail banking services, including home equity lines of credit, residential real estate and consumer loans, customary types of demand and savings deposits, money transfers, safe deposit services, and IRA and other fiduciary services through our branch,banking center, ATM and technology-based networks.  In addition, our professional farm management and brokerage services are entrusted to care and maximize value for landowners of prime farmland in Illinois.

The Bank’sBanks’ principal sources of income are interest and fees on loans and investments and service fees.  Its principalPrincipal expenses are interest paid on deposits and general operating expenses.  The Bank’sBanks’ primary markets are downstate Illinois, the St. Louis, Missouri metropolitan area, southwest Florida, and central Indiana.

The Bank’sBanks’ portfolio loans are comprised of commercial, commercial real estate, real estate construction, retail real estate, and retail other.  As of December 31, 2016,2017, commercial loans comprised approximately 24.7%25.6%, commercial real estate comprised approximately 42.6%42.7%, real estate construction comprised approximately 4.7%, retail real estate comprised approximately 27.6%26.5% and retail other loans comprised approximately 0.4%0.5%.

Trevett, operating as a division of theBusey Bank, is a private wealth management boutique created to serve clientele in southwest Florida through a highly tenured team of sophisticated wealth management professionals.  Trevett builds upon our established presence in Florida and the broad capabilities of our existing Wealth Management operation to provide concierge service and tailored solutions for the accumulation and preservation of capital and generational legacies.

Busey Wealth Management, which is headquartered in Champaign,Urbana, Illinois, provides asset management, investment and fiduciary services to individuals, businesses and foundations through its subsidiary, Busey Trust Company.  As of December 31, 2016,2017, Busey Trust Company had $5.4$6.0 billion in assets under care.  For individuals, Busey Trust Company provides investment management, trust and estate advisory services and financial planning.  For businesses, it provides investment management, business succession planning and employee retirement plan services.  For foundations, Busey Trust Company provides investment management, investment strategy consulting and fiduciary services.

Brokerage related services are offered by Busey Investment Services, a division of Busey Trust Company, and South Side Bank through a third-party arrangement with Raymond James Financial Services.

FirsTech, which has offices in Decatur, Illinois and Clayton, Missouri, offers the following pay processing solutions: walk-in payment processing for payments delivered by customers to retail pay agents; online bill payment solutions for payments made by customers on a billing company’s website; customer service payments for payments accepted over the telephone; mobile bill pay; direct debit services; electronic concentration of payments delivered by the Automated Clearing House network; money management software and credit card networks; and lockbox remittance processing of payments delivered by mail. FirsTech had approximately 3,0004,000 agent locations in 3643 states as of December 31, 2016.2017.

First Busey Corporation also has various other subsidiaries that are not significant to the consolidated entity.

The Company’s operations are managed alongthrough three operating segments consisting of Banking, Remittance Processing and Wealth Management.  See “Note 23. Operating Segments and Related Information” in the Notes to the Consolidated Financial Statements for an analysis of segment operations.

Economic Conditions of Markets

The Company has 28As of December 31, 2017, Busey Bank had 37 banking centers serving Illinois and South Side Bank had 13 banking centers serving Illinois.  Our primary downstate Illinois markets of Champaign, Macon, McLean and Peoria countiesCounties are anchored by several strong, familiarwell-recognized and stable organizations.  Champaign County is home to the University of Illinois — Urbana/Champaign (“U of I”), the University’s primary campus.  U of I has in excess of 44,000 students from all 50 states and over 100 countries.students.  Additionally, Champaign County healthcare providers serve a significant area of downstate Illinois and western Indiana.  Macon County is home to the North American headquarters for Archer Daniels Midland (“ADM”), a Fortune 100 company and one of the largest agricultural processors in the world.  ADM’s presence in Macon County supports many derivative businesses in the agricultural processing arena.  Additionally, Macon County is home to Millikin University, and its healthcare providers serve a significant role in the market.  McLean County is home to State Farm, Country Financial, Illinois State University and Illinois Wesleyan University.  State Farm, a Fortune 100 company, is the largest employer in McLean County, and Country Financial and the universities provide additional stability to a growing area of downstate Illinois.  Peoria County is home to Caterpillar Inc., operations, a Fortune 100 company, and Bradley University, in addition to a large healthcare presence serving much of the western portion of downstate Illinois.  The institutions noted above, coupled with a large agricultural sector, anchor the communities in which they are located, and have provided a comparatively stable foundation for housing, employment and small business.

The State of Illinois, where a large portion of the Company’s customer base is located, continues to be one of the most troubled of any state in the United States with pension under-funding, a current budget impasse, continued budget deficits and a declining credit outlook.  Additionally, the Company is located in markets with significant universities and healthcare companies, which rely heavily on state funding and contracts.  PaymentAny possible payment lapses by the State of Illinois to its vendors and government sponsored entities may have negative effects on our primary market areas.

The recent acquisition of Pulaski expands our presence into the

St. Louis, Missouri metropolitan area, which is the largest metropolitan area in Missouri and the twentieth largest in the United States.  The bi-state metropolitan area includes seven counties in Missouri and eight counties in Illinois.  The area is home to 1917 Fortune 1000 companies, including Express Scripts, Emerson Electric, Centene and Monsanto.  St. Louis has a diverse economy with its major employment sectors including health care, financial services, professional and business services, and retail.  The CompanyBusey Bank has 13 banking centers serving the St. Louis metropolitan area, all of which are located in the city of St. Louis, or the adjacent counties of St. Louis County and St. Charles County.  St. Charles County has been one of the fastest-growing counties in the country for decades. The countydecades and features a cross-section of industry, as well as extensive retail and some agriculture.  The Company’s geographic concentration in only three of the 15 counties included in the St. Louis metropolitan area gives the Company tremendous expansion opportunities into the other neighboring counties.

The CompanyBusey Bank has five banking centers in southwest Florida.  Southwest Florida has shown continuing signs of improvement in areas such as job growth and the housing market over the last several years.

The CompanyBusey Bank has one banking center in the Indianapolis, Indiana area, which is the most populous city of Indiana with a diverse economy.  Many large corporations are headquartered in Indianapolis and it is the host to numerous conventions and sporting events annually.  In 2017, the Company plans to build out its presence in Indianapolis.

Competition

The Bank competesBanks compete actively with national and state banks, savings and loan associations and credit unions for deposits and loans mainly in downstate Illinois (primarily Champaign, DuPage, Ford, Grundy, Livingston, Macon, McLean, Peoria, Shelby, Tazewell and Shelby counties)Will Counties), the St. Louis, Missouri metropolitan area (primarily St. Louis (City), St. Louis and St. Charles counties)Counties), southwest Florida (primarily Charlotte, Lee and Sarasota counties)Counties), and central Indiana (primarily Hamilton and Marion counties)County).  In addition, First Busey and its non-bank subsidiaries compete with other financial institutions, including asset management and trust companies, security broker/dealers, personal loan companies, insurance companies, finance companies, leasing companies, mortgage companies, remittance processing companies, and certain governmental agencies, all of which actively engage in marketing various types of loans, deposit accounts, and other products and services.  The Bank competesBanks compete for real estate and other loans primarily on the basis of the interest rates and loan fees it charges,they charge, the types of loans it originatesthey originate and the quality of services it providesthey provide to borrowers.

The Bank facesBanks face substantial competition in attracting deposits from other commercial banks, savings institutions, money market and mutual funds, credit unions, insurance agencies, brokerage firms, and other investment vehicles.  Customers for banking services are generally influenced by convenience, quality of service, personal contacts, price of services and availability of products.  The ability of the Bank toBanks attract and retain deposits depends on its ability to provide investment opportunities that satisfy the requirements of investors as to rate of return, liquidity, risk and other factors.  The Bank attracts a significant amount of deposits through its branch offices,their banking centers, primarily from the communities in which those branch officesbanking centers are located; therefore, competition for those deposits is principally from other commercial banks, savings institutions, and credit unions located in the same communities.  The Bank competesBanks compete for these deposits by offering a variety of deposit accounts at competitive rates, high-quality customer service, convenient business hours, internet and mobile banking, and convenient banking centers with interbranch deposit and withdrawal privileges at each.

Based on information obtained from the Federal Deposit Insurance Corporation (“FDIC”) Summary of Deposits dated June 30, 2016,2017, First Busey ranked in the top ten10 in total deposits in eight10 Illinois counties: first in Champaign County; fourthfifth in Ford County; sixth in Grundy County; seventh in Livingston County; second in Macon County; fifth in McLean County; ninthsecond in Peoria County; second in Shelby County; and fourththird in Tazewell County.  In addition, First Busey ranked tenthCounty; and fifth in St. Louis (City) County in Missouri.  Customers for banking services are generally influenced by convenience, quality of service, personal contacts, price of services and availability of products.Will County.  Although the market share of First Busey varies in different markets, First Busey believes that it effectively competes with other banks, thrifts and financial institutions in the relevant market areas.

Supervision, Regulation and Other Factors

General

Institutions insured by the FDIC,FDIC-insured institutions, like Busey Bank and South Side Bank, as well as their holding companiescompany and their affiliates are extensively regulated under federal and state law.  As a result, First Busey’sthe Company’s growth and earnings performance may be affected not only by management decisions and general economic conditions, but also by the requirements of federal and state statutes and by the regulations and policies of various bank regulatory agencies, including the Illinois Department of Financial and Professional Regulation (the “DFPR”), the Board of Governors of the Federal Reserve System (the “Federal Reserve”), the FDIC and the Consumer Financial Protection Bureau (the “CFPB”(“CFPB”).  Furthermore, taxation laws administered by the Internal Revenue Service and state taxing authorities, accounting rules developed by the Financial Accounting Standards Board (“FASB”), securities laws administered by the Securities and Exchange Commission (the “SEC”(“SEC”) and state securities authorities, and anti-money

laundering laws enforced by the U.S. Department of the Treasury (“Treasury”) have an impact on First Busey’sthe Company’s business. The effect of these statutes, regulations, regulatory policies and accounting rules are significant to First Busey’sthe Company’s operations and results.

Federal and state banking laws impose a comprehensive system of supervision, regulation and enforcement on the operations of FDIC-insured institutions, their holding companies and affiliates that is intended primarily for the protection of the FDIC-insured deposits and depositors of banks, rather than stockholders. These laws, and the regulations of the bank regulatory agencies issued under them, affect, among other things, the scope of First Busey’sthe Company’s business, the kinds and amounts of investments First Busey and the Bankwe may make, reserve requirements, required capital levels relative to the Company’s assets, the nature and amount of collateral for loans, the establishment of branches, First Busey’sthe Company’s ability to merge, consolidate and acquire, dealings First Busey’s andwith the Bank’sCompany’s insiders and affiliates and First Busey’sthe Company’s payment of dividends. In the last several years, First Busey and the Bank have experienced heightened regulatory requirements and scrutiny followingreaction to the global financial crisis and as a resultparticularly following passage of the Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010 (the “Dodd-Frank Act”)., we experienced heightened regulatory requirements and scrutiny. Although the reforms primarily targeted systemically important financial service providers, their influence filtered down in varying degrees to community banks over time and caused the reforms have caused First Busey’sCompany’s compliance and risk management processes, and the costs thereof, to increase. While it is anticipated thatAfter the Trump administration will not increase2016 federal elections, momentum to decrease the regulatory burden on community banks gathered strength. Although these deregulatory trends continue to receive much discussion among the banking industry, lawmakers and may reduce some of the burdens associated with implementation of the Dodd-Frank Act, thebank regulatory agencies, little substantive progress has yet been made. The true impact of the new administration is impossibleproposed reforms remains difficult to predict with any certainty.

ThisThe supervisory and regulatory framework for U.S. banking organizations subjects banks and bank holding companies to regular examination by their respective regulatory agencies, which results in examination reports and ratings that are not publicly available and that can impact the conduct and growth of their business. These examinations consider not only compliance with applicable laws and regulations, but also capital levels, asset quality and risk, management ability and performance, earnings, liquidity, and various other factors. The regulatory agencies generally have broad discretion to impose restrictions and limitations on the operations of a regulated entity where the agencies determine, among other things, that such operations are unsafe or unsound, fail to comply with applicable law or are otherwise inconsistent with laws and regulations or with the supervisory policies of these agencies.

The following is a summary of the material elements of the supervisory and regulatory framework applicable to First Buseythe Company and the Bank,its subsidiary banks, beginning with a discussion of the continuing regulatory emphasis on First Busey’sthe Company’s capital levels.  ItThis summary does not describe all of the statutes, regulations and regulatory policies that apply, nor does it restate all of the requirements of those that are described. The descriptions are qualified in their entirety by reference to the particular statutory and regulatory provision.

Regulatory Emphasis on Capital

Regulatory capital represents the net assets of a banking organization available to absorb losses. Because of the risks attendant to their business, FDIC-insured institutions are generally required to hold more capital than other businesses, which directly affects First Busey’sthe Company’s earnings capabilities. While capital has historically been one of the key measures of the financial health of both bank holding companies and banks, its role became fundamentally more important in the wake of the global financial crisis, as the banking regulators recognized that the amount and quality of capital held by banks prior to the crisis was insufficient to absorb losses during periods of severe stress.  Certain provisions of the Dodd-Frank Act and Basel III, discussed below, establish strengthened capital standards for banks and bank holding companies, require more capital to be held in the form of common stock and disallow certain funds from being included in capital determinations. These standards represent regulatory capital requirements that are meaningfully more stringent than those in place previously.

Minimum Required Capital Levels

Banks have been required to hold minimum levels of capital based on guidelines established by the bank regulatory agencies since 1983. The minimums have been expressed in terms of ratios of capital divided by total assets. As discussed below, bank capital measures have become more sophisticated over the years and have focused more on the quality of capital and the risk of assets. Bank holding companies have historically had to comply with less stringent capital standards than their bank subsidiaries and have been able to raise capital with hybrid instruments such as trust preferred securities. The Dodd-Frank Act mandated the Federal Reserve to establish minimum capital levels for holding companies on a consolidated basis as stringent as those required for FDIC-insured institutions. A result of this change is that the proceeds of hybrid instruments, such as trust preferred securities, are being excluded from capital over a phase-out period. However, if such securities were issued prior to May 19, 2010 by bank holding companies with less than $15.0 billion of assets, they may be retained, subject to certain restrictions. Because the Company haswe have assets of less than $15.0 billion, the Company iswe are able to maintain itsour trust preferred proceeds as capital but the Company haswe have to comply with new capital mandates in other respects and will not be able to raise capital in the future through the issuance of trust preferred securities.

The Basel International Capital Accords

The risk-based capital guidelines for U.S. banks since 1989 were based upon the 1988 capital accord known as “Basel I” adopted by the international Basel Committee on Banking Supervision, a committee of central banks and bank supervisors that acts as the primary global standard-setter for prudential regulation, as implemented by the U.S. bank regulatory agencies on an interagency basis. The accord recognized that bank assets for the purpose of the capital ratio calculations needed to be risk weightedrisk-weighted (the theory being that riskier assets should require more capital) and that off-balance sheet exposures needed to be factored in the calculations. Basel I had a very simple formula for assigning risk weights to bank assets from 0% to 100% based on four categories.  In 2008, the banking agencies collaboratively began to phase-in capital standards based on a second capital accord, referred to as “Basel II,” for large or “core” international banks (generally defined for U.S. purposes as having total assets of $250.0 billion or more, or consolidated foreign exposures of $10.0 billion or more) known as “advanced approaches” banks.

The primary focus of Basel II was on the calculation of risk weights based on complex models developed by each advanced approaches bank. BecauseAs most banks were not subject to Basel II, the U.S. bank regulators worked to improve the risk sensitivity of Basel I standards without imposing the complexities of Basel II. This “standardized approach” increased the number of risk-weightrisk weight categories and recognized risks well above the original 100% risk weighting. The standardized approachrisk-weighting. It is institutionalized by the Dodd-Frank Act for all banking organizations, even for the advanced approaches banks, as a floor.

On September 12, 2010, the Group of Governors and Heads of Supervision, the oversight body of the Basel Committee on Banking Supervision, announced agreement on a strengthened set of capital requirements for banking organizations around the world, known as Basel III, to address deficiencies recognized in connection with the global financial crisis.

The Basel III Rule

In July of 2013, the U.S. federal banking agencies approved the implementation of the Basel III regulatory capital reforms in pertinent part, and, at the same time, promulgated rules effecting certain changes required by the Dodd-Frank Act (the “Basel III Rule”). In contrast to historical capital requirements historically, which were in the form of guidelines, Basel III was released in the form of enforceable regulationsas regulation by each of the regulatory agencies. The Basel III Rule is applicable to all banking organizations that are subject to minimum capital requirements, including federal and state banks and savings and loan associations, as well as to bank and savings and loan holding companies, other than “small bank holding companies” (generally bank holding companies with consolidated assets of less than $1.0 billion that do not have securities registered with the SEC)billion).

The Basel III Rule requiredrequires higher capital levels, increasedincreases the required quality of capital, and requiredrequires more detailed categories of risk weighting of riskier, more opaque assets.risk-weighting. For nearly every class of assets, the Basel III Rule requires a more complex, detailed and calibrated assessment of credit risk and calculation of risk weightings.

Not only did theThe Basel III Rule increaseincreases most of the required minimum capital ratios in effect prior to January 1, 2015 but it introducedand introduces the concept of Common Equity Tier 1 Capital, which consists primarily of common stock, related surplus (net of Treasury stock), retained earnings, and Common Equity Tier 1 minority interests subject to certain regulatory adjustments. The Basel III Rule also changedchanges the definition of capital by establishing more stringent criteria that instruments must meet to be considered Additional Tier 1 Capital (primarily non-cumulative perpetual preferred stock that meets certain requirements) and Tier 2 Capital (primarily other types of preferred stock and subordinated debt, subject to limitations).  A number of instruments that qualified as Tier 1 Capital under Basel I do not qualify, or theirhave changed qualifications changed.under the Basel III Rule. For example, noncumulative perpetual preferred stock, which qualified as simple Tier 1 Capital under Basel I, does not qualify as Common Equity Tier 1 Capital, but qualifies as Additional Tier 1 Capital. The Basel III Rule also constrainedconstrains the inclusion of minority interests, mortgage-servicing assets, and deferred tax assets in capital and requires deductions from Common Equity Tier 1 Capital in the event that such assets exceed a certain percentage of a banking institution’s Common Equity Tier 1 Capital.

The Basel III Rule required requiresminimum capital ratios as of January 1, 2015, as follows:

·                 A ratio of minimum Common Equity Tier 1 Capital equal to 4.5% of risk-weighted assets;

·                 An increase in the minimum required amount of Tier 1 Capital from 4% to 6% of risk-weighted assets;

·                 A continuation of the minimum required amount of Total Capital (Tier 1 plus Tier 2) at 8% of risk-weighted assets; and

·                 A minimum leverage ratio of Tier 1 Capital to total quarterly average assets equal to 4% in all circumstances.

In addition, institutions that seek the freedom to make capital distributions (including for dividends and repurchases of stock) and pay discretionary bonuses to executive officers without restriction must also maintain 2.5% in Common Equity Tier 1 Capital attributable to a capital conservation buffer being phased in over three years beginning in 2016 (which, as(as of January 1, 2017, was2018, it had phased in half-way to 1.25%1.875%). The purpose of the conservation buffer is to ensure that banking

institutions maintain a buffer of capital that can be used to absorb losses during periods of financial and economic stress. Factoring in the fully phased-in conservation buffer increases the minimum ratios depicted above to 7% for Common Equity Tier 1 Capital, 8.5% for Tier 1 Capital and 10.5% for Total Capital.

Banking organizations (except for large, internationally active banking organizations) became subject to the new rules on January 1, 2015. However, there are separate phase-in/phase-out periods for: (i) the capital conservation buffer; (ii) regulatory capital adjustments and deductions; (iii) nonqualifying capital instruments; and (iv) changes to the prompt corrective action rules discussed below. The phase-in periods commenced on January 1, 2016 and extend until January 1, 2019.

Well-Capitalized Requirements

The ratios described above are minimum standards in order for banking organizations to be considered “adequately capitalized.” Bank regulatory agencies uniformly encourage banks to hold more capital and be “well-capitalized” and, to that end, federal law and regulations provide various incentives for banking organizations to maintain regulatory capital at levels in excess of minimum regulatory requirements. For example, a banking organization that is well-capitalized may: (i) qualify for exemptions from prior notice or application requirements otherwise applicable to certain types of activities; (ii) qualify for expedited processing of other required notices or applications; and (iii) accept, roll-over or renew brokered deposits. Higher capital levels could also be required if warranted by thebased on particular circumstances or risk profiles of individual banking organizations. For example, the Federal Reserve’s capital guidelines contemplate that additional capital may be required to take adequate account of, among other things, interest rate risk, or the risks posed by concentrations of credit,

Concentration risk exists when FDIC-insured institutions deploy too many assets to any one industry or segment. A concentration in commercial real estate is one example of regulatory concern. The interagency Concentrations in Commercial Real Estate Lending, Sound Risk Management Practices guidance (“CRE Guidance”) provides supervisory criteria, including the following numerical indicators, to assist bank examiners in identifying banks with potentially significant commercial real estate loan concentrations that may warrant greater supervisory scrutiny: (i) commercial real estate loans exceeding 300% of capital and increasing 50% or more in the preceding three years; or (ii) construction and land development loans exceeding 100% of capital. The CRE Guidance does not limit banks’ levels of commercial real estate lending activities, but rather guides institutions in developing risk management practices and levels of capital that are commensurate with the level and nature of their commercial real estate concentrations. On December 18, 2015, the federal banking agencies issued a statement to reinforce prudent risk-management practices related to CRE lending, having observed substantial growth in many CRE asset and lending markets, increased competitive pressures, rising CRE concentrations in banks, and an easing of CRE underwriting standards. The federal bank agencies reminded FDIC-insured institutions to maintain underwriting discipline and exercise prudent risk-management practices to identify, measure, monitor, and manage the risks arising from CRE lending. In addition, FDIC-insured institutions must maintain capital commensurate with the level and nature of their CRE concentration risk.  Based on each of the Bank’s loan portfolio as of December 31, 2016, it did not exceed2017, neither exceeded the 100% guideline for construction and land development loans or 300% guideline for commercial real estate loans.

Consumer Financial Services

The historical structure of federal consumer protection regulation applicable to all providers of consumer financial products and services changed significantly on July 21, 2011, when the CFPB commenced operations to supervise and enforce consumer protection laws. The CFPB has broad rulemaking authority for a wide range of consumer protection laws that apply to all providers of consumer products and services, including the Bank,Banks, as well as the authority to prohibit “unfair, deceptive or abusive” acts and practices. The CFPB has examination and enforcement authority over providers with more than $10.0 billion in assets. FDIC-insured institutions with $10.0 billion or less in assets, like the Bank,Banks, continue to be examined by their applicable bank regulators.

Because abuses in connection with residential mortgages were a significant factor contributing to the global financial crisis, many new rules issued by the CFPB and required by the Dodd-Frank Act address mortgage and mortgage-related products, their underwriting, origination, servicing and sales. The Dodd-Frank Act significantly expanded underwriting requirements applicable to loans secured by 1-4 family residential real property and augmented federal law combating predatory lending practices. In addition to numerous disclosure requirements, the Dodd-Frank Act imposed new standards for mortgage loan originations on all lenders, including all FDIC-insured institutions, in an effort to strongly encourage lenders to verify a borrower’s “ability to repay,” while also establishing a presumption of compliance for certain “qualified mortgages.” In addition, the Dodd-Frank Act generally required lenders or securitizers to retain an economic interest in the credit risk relating to loans that the lender sells, and other asset-backed securities that the securitizer issues, if the loans have not complied with the ability-to-repay standards. First Busey does not currently expect the CFPB’s rules to have a significant impact on the Bank’s operations, except for ongoing costs of compliance.

Busey Wealth Management

Busey Wealth Management is an Illinois corporation that operates under a certificate of authority to exercise trust powers issued by the DFPR. As such, Busey Wealth Management is subject to the examination, supervision, reporting and enforcement requirements established for trust companies by the DFPR. Additionally, because Busey Wealth Management is a wholly-owned subsidiary of First Busey, the Federal Reserve, as the primary federal regulator of First Busey, has the authority to conduct such examinations of Busey Wealth Management as the Federal Reserve deems necessary. Busey Wealth Management is required to maintain capital at the level determined by the DFPR to be necessary for the safe and sound operation of Busey Wealth Management. Like Busey Bank,the Banks, Busey Wealth Management is required to pay supervisory assessments to the DFPR, which, for the year ended December 31, 2016,2017, was $0.1 million.insignificant.

Executive Officers

Following is a description of the business experience for at least the past five years of our executive officers.

Van A. Dukeman.  Mr. Dukeman, age 58,59, has served as a Director, Chief Executive Officer and President of First Busey since August 2007. Effective February 28, 2009 through March 31, 2010, Mr. Dukeman also served as the Chief Executive Officer and President of theBusey Bank.  Prior to August 2007, Mr. Dukeman served as a Director, Chief Executive Officer and President of Main Street Trust, Inc. (“Main Street Trust”) until its merger with First Busey.

Curt A. Anderson.  Mr. Anderson, age 61,62, was appointed President and Chief Executive Officer of Busey Wealth Management in February 2016.  Prior to that appointment, he had served as Executive Vice President and Senior Managing Director at Busey Wealth Management since 2007.

Robin N. Elliott.  Mr. Elliott, age 40,41, was appointed Chief Operating Officer of First Busey in February 2016.  He will continue to serve as Chief Financial Officer of First Busey, which was effective onhe has served since January 1, 2014, as the Company conducts a search to fill thename a new Chief Financial Officer role.Officer.  Mr. Elliott had previously served as Director of the Business Banking Group of theBusey Bank since November 2011.  Prior to that appointment, he had served as Director of Finance & Treasury since joining the organization in 2006.

Barbara J. Harrington.  Mrs. Harrington, age 57,58, has served as Chief Risk Officer of First Busey since March 2010, prior to which she had served as Chief Financial Officer of First Busey since March 1999.  She also served as Controller and Senior Vice President of theBusey Bank from December 1994 to March 1999, and has served in various financial and accounting positions since joining the organization in 1991.

Howard F. Mooney II.  Mr. Mooney, age 52,53, has served as President and Chief Executive Officer of FirsTech Inc., our payment processing subsidiary, since 2000.  In addition, Mr. Mooney has served as Chief Information Officer of First Busey since January 1, 2014.  Prior to our August 2007 merger, FirsTech was a subsidiary of Main Street Trust.

Robert F. Plecki, Jr.  Mr. Plecki, age 56,57, has served as Chief Credit Officer of First Busey since March 2010.  Mr. Plecki previously served as President & Chief Executive Officer of Busey Wealth Management from October 2013 until February 2016 and Chief Operating Officer of First Busey from October 2012 until February 2016.  Prior to March 2010, he had served as Executive Vice President of our southwest Florida market since early 2009.  Prior to that he served as Executive Vice President of our Champaign-Urbana market following First Busey’s merger with Main Street Trust in 2007, and, prior to the merger, had served as President of Main Street Bank & Trust Retail Banking since 2004.

John J. Powers.  Mr. Powers, age 61,62, has served as General Counsel of First Busey since December 2011.  Prior to that, he was a shareholder of Meyer Capel, P.C., a law firm based in Champaign, Illinois, since 1998.

Amy L. Randolph.  Mrs. Randolph, age 42,43, was appointed Executive Vice President and Chief Brand Officer in March 2014.  Prior to that appointment, she served as Senior Vice President of Growth Strategies since 2008.

Christopher M. Shroyer.  Mr. Shroyer, age 51,52, has served as President and Chief Executive Officer of theBusey Bank since March 2010, prior to which he had served as Executive Vice President of our East Region since early 2009.  Prior to 2009, he served as Executive Vice President of our Decatur market following First Busey’s merger with Main Street Trust in 2007, and, prior to the merger, had served as Executive Vice President of Main Street Bank & Trust Commercial Banking since 2004.

Employees

As of December 31, 2016,2017, First Busey and its subsidiaries had a total of 1,2951,347 employees (full-time equivalents).

Securities and Exchange Commission Reporting and Other Information

First Busey’s website address is www.busey.com.  We make available on this website our Annual Report on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K, and amendments thereto, as soon as reasonably practicable after such reports are filed or furnished with the SEC, and in any event, on the same day as such filing with the SEC.  Reference to this website does not constitute incorporation by reference of the information contained on the website and should not be considered part of this document.

First Busey has adopted a code of ethics applicable to our employees, officers, and directors.  The text of this code of ethics may be found under “Investor Relations” on our website.

Non-GAAP Financial Information

This Annual Report on Form 10-K contains certain financial information determined by methods other than in accordance with U.S. Generally Accepted Accounting Principles (“GAAP”). These measures include acquisition and other notable pre-tax items, operating earnings,adjusted net income, adjusted return on assets (“ROA”), adjusted net interest margin, adjusted efficiency ratio, tangible common equity, tangible common equity to tangible assets and efficiency ratios.return on average common equity. Management uses these non-GAAP measures, together with the related GAAP measures, in analysis ofto analyze the Company’s performance and in makingto make business decisions. Management also uses these measures for peer comparisons.

ManagementA reconciliation to what management believes that notable pre-tax itemsto be the most direct compared GAAP financial measures, specifically net income in the case of adjusted net income and operating earnings are useful in assessing our core operating performance and in understanding the primary drivers of ouradjusted ROA, total net interest income, total non-interest income and total non-interest expense when comparing periods.  Managementin the case of adjusted efficiency ratio and total stockholders’ equity in the case of the tangible book value per share, appears below (dollars in thousands, except per share data).  The Company believes that operating earningseach of the adjusted for acquisition related expenses are ameasures is useful measure because it excludes expenses that can significantly fluctuate from acquisition to acquisition. In addition, management believes that excluding these expenses providesfor investors and analysts a measuremanagement to better understand the effects of certain non-interest items and provides additional perspective on the Company’s primary operations when comparingperformance over time as well as comparison to the periods presented.Company’s peers.

Management believes that tangible common equity, tangible common equity to tangible assets and efficiency ratios are standard financial measures used in the banking industry to evaluate performance.

TheThese non-GAAP disclosures contained hereinhave inherent limitations and are not audited.  They should not be viewedconsidered in isolation or as substitutesa substitute for the results determined to bereported in accordance with GAAP, nor are they necessarily comparable to non-GAAP performance measures that may be presented by other companies.  Tax effected numbers included in these non-GAAP disclosures are based on estimated statutory rates.

Reconciliation of Non-GAAP Financial Measures — Adjusted Net Income and ROA

Reconciliation of Non-GAAP Financial Measures — Adjusted Net Interest Margin

Reconciliation of Non-GAAP Financial Measures — Adjusted Efficiency Ratio

Reconciliation of Non-GAAP Financial Measures — Tangible common equity to tangible assets, Tangible book value per share, Return on average tangible common equity

(1) Tax effected measure

(2) Calculated using adjusted net income available to common stockholders

(3) Not reported

Special Cautionary Note Regarding Forward-Looking Statements

Certain statementsStatements contained in or incorporated by reference into this Annual Report on Form 10-K that are not historical facts may constitute forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended (the “Securities Act”), and Section 21E of the Exchange Act. These forward-looking statements are covered by the safe harbor provisions for forward-looking statements contained in the Private Securities Litigation Reform Act of 1995. These statements, which are based on certain assumptions and estimates and describe our future plans, strategies and expectations, can generally be identified by the use of the words “may,” “will,” “should,” “could,” “would,” “goal,” “plan,” “potential,” “estimate,” “project,” “believe,” “intend,” “anticipate,” “expect,” “target,” “aim” and similar expressions. These forward-looking statements include statements relating to our projected growth, anticipated future financial performance, financial condition, credit quality and management’s long-term performance goals, as well as statements relating to the anticipated effects on results of operations and financial condition from expected developments or events, our business and growth strategies and any other statements that are not historical facts.

These forward-looking statements are subject to significant risks, assumptions and uncertainties, and could be affected by many factors. Factors that could have a material adverse effect on our financial condition, results of operations and future prospects can be found under Item 1A “Risk Factors” in this Annual Report on Form 10-K and elsewhere in our periodic and current reports filed with the SEC. These factors include, but are not limited to, the following:

· the strength of the local, national and international economy;

· changes in state and federal laws, regulations and governmental policies concerning First Busey’s general business (including the impact of the Dodd-Frank Act and the extensive regulations to be promulgated thereunder, as well as the Basel III Rule);business;

· changes in interest rates and prepayment rates of First Busey’s assets;

· increased competition in the financial services sector and the inability to attract new customers;

· changes in technology and the ability to develop and maintain secure and reliable electronic systems;

· the loss of key executives or employees;

· changes in consumer spending;

· unexpected results of current and/or future acquisitions, (including the acquisition of Pulaski and planned acquisition of First Community), which may include failure to realize the anticipated benefits of the acquisition and the possibility that the transaction costs may be greater than anticipated and possible termination of the Merger Agreement with First Community causing the acquisition to not be completed;anticipated;

· unexpected outcomes of existing or new litigation involving First Busey;

· the economic impact of any future terrorist threats or attacks;

· the economic impact of exceptional weather occurrences such as tornadoes, hurricanes, floods, and blizzards;

· changes in accounting policies and practices; and

· other factors and risks described under “Risk Factors” herein.

Because of those risks and other uncertainties, our actual future results, performance or achievement, or industry results, may be materially different from the results indicated by these forward-looking statements. In addition, our past results of operations are not necessarily indicative of our future results.

You should not place undue reliance on any forward-looking statements, which speak only as of the dates on which they were made. We are not undertaking an obligation to update these forward-looking statements, even though circumstances may change in the future, except as required under federal securities law. We qualify all of our forward-looking statements by these cautionary statements.

Item 1A. Risk Factors

This section highlights the risks management believes could adversely affect our financial performance. Additional possible risks that could affect the Company adversely and cannot be predicted may arise at any time. Other risks that are immaterial at this time may also have an adverse impact on our future financial condition.

Economic and Market Risks

Conditions in the financial market and economic conditions, including conditions in the states in which it operates, generally may adversely affect the Company’s business.

The Company’s general financial performance is highly dependent upon the business environment in the markets where it operates and, 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 it offers. A favorable business environment is generally characterized by, among other factors, economic growth, efficient capital markets, low inflation, low unemployment, high business and investor confidence, and strong business earnings. Unfavorable or uncertain economic and market conditions can be caused by declines in economic growth, business activity or investor or business confidence; limitations on the availability or increases in the cost of credit and capital; increases in inflation or interest rates; high unemployment, natural disasters, or a combination of these or other factors.

While economic conditions have improved considerably since the 2008-2009 recession, there can be no assurance that this improvement will continue. Uncertainty regarding continuing economic improvement may result in changes in consumer and business spending, borrowing, and savings habits. Such conditions could adversely affect the credit quality of the Company’s loans, our financial condition and results of operations.

The Company’s financial performance is also affected by the condition of the markets in which it conducts business. The Company currently conducts its banking operations primarily in downstate Illinois, the Southwest suburbs of Chicago, Illinois, the St. Louis, Missouri metropolitan area, and southwest Florida. The financial condition of the State of Illinois, in which the largest portion of the Company’s

customer base resides, is among the most troubled of any state in the United States with credit downgrade concerns, pension under-funding, a current budget impasse, budget deficits and political standoffs.  In addition, the Company operates in markets with significant university and healthcare presence, which rely heavily on state and federal funding and contracts.  Payment delays by the State of Illinois to its vendors and government-sponsored entities as well as potential federal changes to healthcare laws could affect the Company’s primary market areas, which could in turn adversely affect its financial condition and results of operations.  Downturns in markets where banking operations occur could result in a decrease in demand for the Company’s products and services, an increase in loan delinquencies and defaults, high or increased levels of problem assets and foreclosures and reduced wealth management fees resulting from lower asset values.  The Company originates mortgage loans at a national level through a network of referral sources, so downturns in certain housing markets could also have an adverse effect on the Company’s mortgage operation.

Market volatility and changes in interest rates could have an adverse effect on the Company.

In certain recent periods, the capital and credit markets experienced heightened volatility and disruption.  In some cases, the markets produced downward pressure on stock prices and credit availability for certain issuers without regard to those issuers’ underlying financial condition or performance. Conversely, significant increases in the stock markets as experienced at the end of 2016, can also have destabilizing effects.  If the capital and credit markets experience these heightened levels of disruption and volatility again, both the Company and its customers’ ability to maintain or access capital could be adversely affected which could have an impact on the Company’s business, financial condition and results of operations.

Changes in interest rates could affect the level of assets and liabilities held on the Company’s balance sheet and the revenue that the Company earns from net interest income, as earnings and profitability depend significantly on our net interest income. Net interest income represents the difference between interest income and fees earned on interest-earning assets such as loans and investment securities and interest expense incurred on interest-bearing liabilities such as deposits and borrowed funds. Interest rates are sensitive to many factors that are beyond the Company’s control, including general economic conditions and policies of various governmental and regulatory agencies, including the Federal Open Market Committee. Changes in monetary policy, including changes in interest rates, could influence not only the interest the Company receives on loans and investment securities and the amount of interest it pays on deposits and borrowings, but such changes could also affect the Company’s ability to originate loans and obtain deposits and the fair value of the Company’s financial assets and liabilities. In addition, a rise in interest rates could result in decreased demand for first mortgages as well as mortgage refinancing, activities which have historically contributed to a significant portion of the Company’s mortgage revenue. Furthermore, if the interest rates paid on deposits and other borrowings increase at a faster rate than the interest rates received on loans and investment securities, the Company’s net interest income, and therefore earnings, could be adversely affected. Earnings could also be adversely affected if the interest rates received on loans and

other investments fall more quickly than the interest rates paid on deposits and other borrowings. Any substantial, unexpected, prolonged change in market interest rates could have a material adverse effect on the Company’s business, financial condition, and results of operation. Interest rates paid on deposit products declined significantly in recent years and while interest rates increased slightly during 2015 and 2016,through 2017, future increases, if they occur, could create uncertainty in financial markets.markets, as could an escalation in the pace of rate increases.  Such uncertainty or market fluctuations could negatively affect customer’s financial stability and ultimately, their ability to repay loan commitments.

The Company’s wealth management business may also be negatively impacted by changes in general economic conditions and the conditions in the financial and securities markets, which could affect the values of assets held under care.  Management contracts generally provide for fees payable for wealth management services based on the market value of assets under care. Because most of the Company’s contracts provide for a fee based on market values of securities, declines in securities prices may have an adverse effect on the Company’s results of operations from this business. Market declines and reductions in the value of customers’ wealth management accounts, could also result in the loss of wealth management customers, including those who are also banking customers.

The Company could recognize losses on securities held in its securities portfolio, particularly if interest rates increase or economic and market conditions deteriorate.

Factors beyond the Company’s control may significantly influence the fair value of securities in its portfolio and may cause potential adverse changes to the fair value of these securities. For example, fixed-rate securities acquired by the Company are generally subject to decreases in market value when interest rates rise. A change in the fair value of securities could cause an other-than-temporary impairment (“OTTI”) in future periods and result in realized losses.

The process for determining whether impairment is an OTTI usually requires difficult, subjective judgments about the future financial performance of the issuer and any collateral underlying the security in order to assess the probability of receiving all contractual principal and interest payments on the security. Because of changing economic and market conditions affecting interest rates, the financial condition of issuers of the securities and the performance of the underlying collateral, we may recognize realized and/or unrealized losses in future periods, which could have an adverse effect on our financial condition and results of operations.

Downgrades in the credit ratings of one or more insurers that provide credit enhancements for the Company’s state and municipal securities portfolio may have an adverse impact on the market for and valuation of these types of securities.

The Company invests in tax-exempt state and local municipal securities, some of which are insured by monoline insurers. In recent years, several of these insurers have come under scrutiny by rating agencies. Even though management generally purchases municipal securities on the overall credit strength of the issuer, the reduction in the credit rating of an insurer may negatively impact the market for and valuation of the Company’s investment securities. A downgrade or a default by an issuer could adversely affect the Company’s liquidity, financial condition and results of operations.

Regulatory and Legal Risks

The financial services industry, as well as the broader economy, may be subject to new legislation, regulation, and government policy.

At this time, it is difficult to predict thefuture 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.  Recently, however,changes.  Although both the new President and senior members of the House of RepresentativesCongress have advocated for significant reductionreductions of financial services regulation, to includeincluding amendments to the Dodd-Frank Act and structural changes to the CFPB.  The new AdministrationCFPB, exactly which regulatory changes will be pursued, as well as the timing and Congress also may cause broader economicextent of regulatory changes due to changes in governing ideology and governing style.that could be successfully enacted, remains uncertain.  New appointments to the Board of Governors of the Federal Reserve couldmay affect monetary policy and interest rates, and changes in fiscal policy could affect broader patterns of trade and economic growth.  Future legislation, regulation, and government policy could affect the banking industry as a whole, including our business and results of operations, in ways that are difficult to predict. In addition, our results of operations also could be adversely affected by changes in the way in which existing statutes and regulations are interpreted or applied by courts and government agencies.

Recent legislativeLegislative and regulatory reforms applicable to the financial services industry, as well as heightened focus on particular regulations, may have a significant impact on the Company’s business, financial condition and results of operations.

The laws, regulations, rules, policies and regulatory interpretations governing the Company continue to evolve and may change significantly over time as Congress and various regulatory agencies react to adverse economic conditions or other matters. The global financial crisis of 2008-2009 served as a catalyst for a number of significant changes in the financial services industry, including the Dodd-Frank Act, which reformed the regulation of financial institutions in a comprehensive manner, and the Basel III regulatory capital reforms, which increase both the amount and quality of capital that financial institutions must hold.  The implementation of these provisions, as well as any other aspects of current or proposed regulatory or legislative changes to laws applicable to the financial industry, may impact the profitability of the Company’s business activities and may change certain business practices, including the ability to offer new products, obtain financing, attract deposits, make loans, and achieve satisfactory interest spreads, and could expose the Company to additional expense, including increased compliance costs.

These rule and regulatory changes may also require the Company to invest significant management attention and resources so as to make necessary changes to operations in order to comply.  Legislative and regulatory changes may limit our ability to promote our objectives through compensation and incentive programs and could materially and adversely affect our business, financial condition and results of operations. The Company’s management has reviewed the provisions of the Dodd-Frank Act, the Basel III Rule, and other regulatory mandated changes, many of which have become effective or are to be phased-in over the next several years, and assessed the probable impact on operations. However, the long-term cumulative effect of these changes on the financial services industry, in general, and the Company in particular, is uncertain at this time.

In addition to the expense and uncertainty related to increased regulation, the financial services industry in recent years has faced more intense scrutiny from regulatory agencies in the examination process and more aggressive enforcement of regulations on both the federal and state levels, particularly with respect to mortgage-related practices and other consumer

compliance matters, and compliance with Bank Secrecy Act, anti-money laundering laws, and the Patriot Act, which focuses on money laundering in the form of terrorist financing.  Federal law grants substantial enforcement powers to financial services’ regulators including, among other things, the ability to assess significant civil or criminal monetary penalties, fines or restitution; to issue cease and desist orders; and to initiate injunctive actions against banking organizations.  These enforcement actions may be initiated for violations of laws or regulations and for unsafe or unsound practices.  If the Company were the subject of an enforcement action, it could have an adverse impact on the Company.

The Company may be required to repurchase mortgage loans as a result of breaches in contractual representations and warranties.

When the Company sells mortgage loans that it has originated to various parties, it is required to make customary representations and warranties to the purchaser about the mortgage loans and the manner in which they were originated. The Company may be required to repurchase mortgage loans in the event of a breach of a contractual representation or warranty that is not remedied within a certain period. Contracts for residential mortgage loan sales include various types of specific remedies and penalties that could be applied to inadequate responses to repurchase requests. If economic conditions and the housing market deteriorate, the Company could have increased repurchase obligations and increased losses on repurchases, requiring material increases to its repurchase reserve.

Credit and Lending Risks

Heightened credit risk associated with lending activities may result in insufficient loan loss provisions, which could have material adverse effect on the Company’s results of operations and financial condition.

There are risks in making any loan, including risks inherent in dealing with individual borrowers, risks of nonpayment, risks resulting from uncertainties as to the future value of collateral and cash flows available to service debt and risks resulting from economic and market conditions. The Company attempts to reduce its credit risk through loan application approval procedures, monitoring the concentration of loans within specific industries and geographic location, and periodic independent reviews of outstanding loans by its loan review and audit departments as well as external parties. However, while such procedures help reduce risks, they cannot be expected to completely eliminate the Company’s credit risks. Borrowers may experience difficulties in repaying their loans for any of a variety of reasons resulting in a rise in the level of nonperforming loans, charge-offs and delinquencies and/or a need for increases in the provision for loan losses.

The Company establishes an allowance for loan losses and maintains it at a level considered adequate by management to absorb probable loan losses based on a continual analysis of the Company’s portfolio and market environment. The allowance for loan losses represents the Company’s estimate of probable losses in the portfolio at each balance sheet date and is based upon other relevant information available. The allowance contains provisions for probable losses that have been identified relating to specific borrowing relationships, as well as probable losses inherent in the loan portfolio and credit undertakings that are not specifically identified. Changes to the allowance for loan losses, which are charged to earnings through the provision for loan losses, are determined based on a variety of factors, including an analysis of the loan portfolio, historical loss experience and an evaluation of current economic conditions in the relevant market areas. The actual amount of loan losses is affected by changes in economic, operating and other market conditions, which may be beyond the Company’s control, and such losses may exceed current estimates.

Although management believes the allowance for loan losses is adequate to absorb losses on existing loans that may become uncollectible, management cannot guarantee that additional provisions for loan losses will not be required in the future.  Additional provision could be recorded, either as a result of management’s decision or as a requirement by regulators, to further supplement the allowance for loan losses, particularly if economic conditions unfold in a manner which differs significantly from what management currently expects. Additional provisions to the allowance for loan losses and loan losses in excess of the Company’s allowance for loan losses may adversely affect its business, financial condition and results of operations.

Non-performing assets take significant time to resolve and adversely affect the Company’s results of operations and financial condition, and could result in further losses in the future.

The Company’s non-performing assets adversely affect its net income in various ways. While the Company pays interest expense to fund non-performing assets, it does not record interest income on non-accrual loans or other real estate owned, thereby adversely affecting its income and returns on assets and equity, and itsequity.  In addition, loan administration costs increase and the Company’s efficiency ratio is adversely affected. When the Company takes collateral in foreclosures and similar proceedings, it is required to mark the collateral to its then-fair market value, which, when compared to the outstanding balance of the loan, may result in a loss. These non-performingNon-performing loans and other real estate owned also increase itsthe Company’s risk profile and the capital its regulators believe is appropriate in light of such risks. The resolution of non-performing assets

requires significant time commitments from management, which can be detrimental to the performance of their other responsibilities. The Company cannot guarantee that it will not experience increases in non-performing loans in the future, and its non-performing assets may result in further losses in the future.

Concentrations of credit and market risk could increase the potential for significant losses.

The Company may have higher credit risk, or experience higher credit losses, to the extent its loans are concentrated by loan type, industry segment, borrower type, or geographic location of the borrower or collateral. A significant portion of the Company’s loan portfolio is made up of mortgage, commercial and industrial loans, and secured by real estate. Thus, deterioration in economic conditions or real estate values could result in higher credit costs and losses to the Company.

The Company’s commercial loans are primarily made based on the identified cash flow of the borrower and secondarily on the underlying collateral provided by the borrower. Most often, this collateral is accounts receivable, inventory, machinery or real estate. Credit support provided by the borrower for most of these loans and the probability of repayment is based on the liquidation of the pledged collateral and enforcement of a personal guarantee, which the Company requires whenever appropriate on commercial loans. As a result, in the case of loans secured by accounts receivable, the availability of funds for the repayment of these loans may be substantially dependent on the ability of the borrower to collect amounts due from its customers. The collateral securing other loans may depreciate over time, may be difficult to appraise and may fluctuate in value based on the success of the business.  As a result of the larger average size of each commercial loan as well as collateral that is generally less readily-marketable, losses incurred on a small number of commercial loans could have a material adverse impact on the Company’s financial condition and results of operations.

AAs previously noted, a significant portion of the Company’s loans are collateralized by real estate. The market value of real estate can fluctuate significantly in a short period of time as a result of market conditions in the area in which the real estate is located. Adverse changes affecting real estate values and the liquidity of real estate in one or more markets could increase the credit risk associated with the Company’s loan portfolio, and could result in losses which would adversely affect profitability. Mortgage loans in the Company’ portfolio with high loan-to-value ratios are more sensitive to declining property values and may experience a higher incident of default and severity of losses. Adverse changes in the economy affecting real estate values and liquidity generally, and in markets in which the Company has banking operations, could significantly impair the value of property pledged as collateral on loans and affect the Company’s ability to sell the collateral upon foreclosure without a loss or additional losses. Collateral may have to be sold for less than the outstanding balance of the loan which would result in losses.

Credit risk associated with concentration of securities in the Company’s investment portfolio may increase the potential for loss.

The Company’s investment portfolio consists, in part, of securities issued by government or government sponsored agencies and non-government entities. A downturn in the financial condition of the issuers, the performance of the underlying collateral, or the financial condition of the individual mortgagors with the respect ofto the underlying securities could create results such as rating agency downgrades of the securities and default by issuers or individual mortgagors. Any of the foregoing factors could cause an OTTI in future periods and result in realized losses, which could adversely affect the Company’s financial condition and results of operations.

Real estate construction, land acquisition and development loans are based upon estimates of costs and values associated with the complete project. These estimates may be inaccurate, and the Company may be exposed to significant losses on loans for these projects.

Construction, land acquisition, and development loans involve additional risks because funds are advanced upon the security of the project, which is of uncertain value prior to its completion, and costs may exceed realizable values in declining real estate markets. Because of the uncertainties inherent in estimating construction costs and the realizable market value of the completed project and the effects of governmental regulation on real property, it is relatively difficult to evaluate accurately the total funds required to complete a project and the related loan-to-value ratio. As a result, construction loans often involve the disbursement of substantial funds with repayment dependent, in part, on the success of the ultimate project and the ability of the borrower to sell or lease the property, rather than the ability of the borrower or guarantor to repay principal and interest. If the Company’s appraisal of the value of the completed project proves to be overstated or market values or rental rates decline, there may be inadequate security for the repayment of the loan upon completion of construction of the project. If the Company is forced to foreclose on a project prior to or at completion due to a default, there can be no assurance that it will be able to recover all of the unpaid balance of, and accrued interest on, the loan as well as related foreclosure and holding costs. In addition, the Company may be required to fund additional amounts to complete the project and may have to hold the property for an unspecified period of time while it attempts to dispose of it.

The Company’s exposure to home equity lines of credit may increase the potential for loss.

The Company’s mortgage loan portfolio consists, in part, of home equity lines of credit. A large portion of home equity lines of credit are originated in conjunction with the origination of first mortgage loans eligible for sale in the secondary market, which the Company typically does not service if the loan is sold. By not servicing the first mortgage loans, the Company is unable to track the delinquency status which may indicate whether such loans are at risk of foreclosure by others. In addition, home equity lines of credit are initially offered as “revolving” lines of credit whereby the borrowers are only required to make scheduled interest payments during the initial terms of the loans, which is generally five years. Thereafter, the borrowers no longer have the ability to make principal draws from the lines and the loans convert to a fully-amortizing basis, requiring scheduled principal and interest payments sufficient to repay the loans within a certain period of time, which is generally 10 years.  The conversion of a home equity line of credit to a fully amortizing basis presents an increased level of default risk to us since the borrower no longer has the ability to make principal draws on the line, and the amount of the required monthly payment could substantially increase to provide for scheduled repayment of principal and interest.

Capital and Liquidity Risks

The Company is required to maintain capital to meet regulatory requirements, and if it fails to maintain sufficient capital, whether as a result of losses, inability to raise additional capital or otherwise, its financial condition, liquidity, and results of operations, as well as its ability to maintain regulatory compliance would be adversely affected.

First Busey, the BankBanks and Busey Wealth Management must meet regulatory capital requirements and maintain sufficient liquidity. The Company’s ability to raise additional capital, when and if needed, will depend on conditions in the capital markets, economic conditions and a number of other factors, including investor perceptions regarding the banking industry and market condition, and governmental activities, many of which are outside the Company’s control, and on its financial condition and performance. Accordingly, the Company cannot guarantee that it will be able to raise additional capital if needed or on terms acceptable to the Company. If it fails to meet these capital and other regulatory requirements, its financial condition, liquidity and results of operations would be materially and adversely affected.

The Company’s failure to continue to maintain capital ratios in excess of the amounts necessary to be considered “well-capitalized” for bank regulatory purposes could affect customer confidence, its ability to grow, its costs of funds and FDIC insurance costs, its ability to pay dividends to its stockholders or on outstanding stock, its ability to make acquisitions, and its business, results of operations and financial condition. Furthermore, under FDIC rules, if the Company ceases to meet the requirements to be considered a “well-capitalized” institution for bank regulatory purposes, the interest rates it pays on deposits and its ability to accept, renew or rollover deposits, particularly brokered deposits, may be restricted.

Liquidity risks could affect operations and jeopardize the Company’s business, financial condition and results of operations.

Liquidity is essential to the Company’s business. An inability to raise funds through deposits, borrowings, the sale of loans and other sources could have a substantial negative effect on liquidity. The Company’s primary sources of funds consist of deposits and funds from sales of investment securities, investment maturities and sales, and cash from operations. Additional liquidity is available through repurchase agreements, brokered deposits, and the ability to borrow from the Federal Reserve Bank and the FHLB. Access to funding sources in amounts adequate to finance or capitalize the Company’s activities or on terms that are acceptable to the Company could be impaired by factors that affect it directly or the financial services industry or economy in general, such as disruptions in the financial markets or negative views and expectations about the prospects for the financial services industry.

During periods of economic turmoil, the financial services industry and the credit markets generally may be materially and adversely affected by significant declines in asset values and depressed levels of liquidity. These and other factors could negatively affect the Company’s ability to engage in routine funding and other transactions with other financial institutions, lead to market-wide liquidity problems, loss of depositor, creditor, and counterparty confidence which could lead to losses or defaults by the Company or by other institutions. Furthermore, regional and community banks generally have less access to the capital markets than do the national and super-regional banks because of their smaller size, limited analyst coverage, and lack of credit rating resulting from significant expense required to obtain it.

Any decline in available funding and/or capital could adversely impact the Company’s ability to originate loans, invest in securities, meet its expenses, pay dividends to its stockholders, or meet deposit withdrawal demands, any of which could have a material adverse impact on its liquidity, business, financial condition and results of operations.

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

The Company’s ability to engage in routine funding and other transactions could be negatively 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.  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 losses of depositor, creditor and counterparty confidence and could lead to losses or defaults by the Company or by other institutions.  The Company could experience increases in deposits and assetsgrowth as a result of the difficulties or failures of other banks andor government-sponsored financial institutions, which would increase theits funding needed to support its growth.needs.

In addition, a prolonged period of illiquidity in the secondary mortgage market, and an increase in interest rates, could reduce the demand for residential mortgage loans and increase investor yield requirements for those loans. As a result, the Company may be at higher risk of retaining a larger portion of mortgage loans than in other environments until they are sold to investors. The Company’s ability to retain fixed-rate residential mortgage loans is limited and could result in a reduction of loan production volumes, which could have a material adverse effect on our financial condition and results of operations.

Competitive and Strategic Risks

The Company faces strong competition from financial service companies and other companies that offer banking and wealth management services, which could harm its business.

The Company currently conducts its banking operations primarily in downstate Illinois, the Southwest suburbs of Chicago, Illinois, St. Louis, Missouri metropolitan area, and southwest Florida. Mortgage loan services offered through Busey Home Mortgage are primarily in the St. Louis, Kansas City, Omaha-Council Bluffs metropolitan areas and across the Midwest; although this service originates mortgages nationally. In addition, the Company currently offers fiduciary and wealth management services through Trevett, South Side Bank and Busey Wealth Management, which account for an important portion of its noninterestnon-interest income. Many competitors offer the same, or a wider variety of, banking and wealth management services within the Company’s market areas. These competitors include national banks, regional banks and other community banks. The Company also faces competition from many other types of financial institutions, including savings and loan institutions, finance companies, brokerage firms, insurance companies, credit unions, mortgage banks and online lenders, and other financial intermediaries. In addition, a number of out-of-state financial intermediaries have

opened production offices or otherwise solicit deposits in the Company’s market areas. Also, technology and other changes have lowered barriers to entry and made it possible for non-banks, or financial technology companies, to offer products and services traditionally provided by banks. For example, customers can maintain funds that would have historically been held as bank deposits in brokerage accounts or mutual funds. Customers 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. Increased competition in the Company’s markets may result in reduced loans, deposits and commissions and brokers’ fees, as well as reduced net interest margin and profitability. Ultimately, the Company may not be able to compete successfully against current and future competitors. If the Company is unable to attract and retain banking and wealth management customers, it may be unable to grow its loan and deposit portfolios or its wealth management commissions, which could adversely affect its business, results of operations and financial condition.

Our strategy of pursuing acquisitions exposes us to financial, execution and operational risks that could negatively affect us.

To help us fulfill our strategic objectives and enhance our earnings, part of our strategy is to supplement organic growth by acquiring other financial institutions in our market areas and in nearby markets.  As our capital position and asset quality allow, we may again supplement organic growth through acquisitions, as planned with First Community in 2017 and as we did with the 2015 acquisition of Herget Financial and the 2016 acquisition of Pulaski.recent acquisitions.  There are risks associated with an acquisition strategy, including the following:

·      We are exposed to potential asset and credit quality risks and unknown or contingent liabilities of the banks or businesses we acquire. If these issues or liabilities exceed our estimates, our earnings and financial condition may be materially and adversely affected.

·      Prices at which acquisitions can be made fluctuate with market conditions. We have experienced times during which acquisitions could not be made in specific markets at prices our management considered acceptable and expect that we will experience this condition in the future in one or more markets.

·      The acquisition of other entities generally requires integration of systems, procedures and personnel of the acquired entity in order to make the transaction economically feasible. This integration process is complicated and time consuming and can also be disruptive to the customers of the acquired business. If the integration process is not conducted successfully and with minimal effect on the acquired business and its customers, we may not realize the anticipated economic benefits of particular acquisitions within the expected time frame, and we may lose customers or employees of the acquired business. We may also experience greater than anticipated customer losses even if the integration process is successful.

·      We are subject to due diligence expenses which may not result in acquisitions.an acquisition.

·      To finance an acquisition, we may borrow funds, thereby increasing our leverage and diminishing our liquidity, or issue capital stock to the sellers in an acquisition or to third-parties to raise capital, which could dilute the interests of our existing stockholders.

·      The time period in which anticipated benefits of a merger are fully realized may take longer than anticipated, or we may be unsuccessful in realizing the anticipated benefits from mergers and future acquisitions.

Accounting and Tax Risks

Financial statements are created, in part, by assumptions and methods used by management, which, if incorrect, could cause unexpected losses in the future.

The Company’s financial performance is impacted by accounting principles, policies and guidelines. Some of these policies require the use of estimates and assumptions that may affect the value of assets or liabilities and financial results. Certain accounting policies are critical and require management to make difficult, subjective and complex judgments about matters that are inherently uncertain, and materially different amounts could be reported under different conditions or using different assumptions. If such estimates or assumptions underlying the Company’s financial statementsConsolidated Financial Statements are incorrect, itthe Company may experience material losses.

One such assumption and estimate is the valuation analysis of its goodwill. Although the Company’s analysis does not indicate impairments exist; it could bethe Company is required to perform additional goodwill impairment assessments on at least an annual basis, and perhaps more frequently, which could result in further goodwill impairment charges. Any future goodwill impairment charge, based on the current goodwill balance or future goodwill arising out of acquisitions that the Company is required to take could have a material adverse effect on the results of operations by reducing net income or increasing net losses.

The Company is subject to changes in accounting principles, policies or guidelines.

Periodically, agencies such as the FASB or the SEC change the financial accounting and reporting standards or the interpretation of those standards that govern the preparation of the Company’s financial statements.Financial Statements. These changes are beyond the Company’s control, can be difficult to predict and could materially impact ithow the Company reports its financial condition and results of operations. Changes in these standards are continuously occurring and given recent economic conditions, more drastic changes may occur. Thethe implementation of such changes could have a material adverse effect on the Company’s financial condition and results of operations.

In 2016, the FASB published new Current Expected Credit Loss impairment standards (“CECL”) which requires “liferecording loss estimates for the life of loan” estimates of losses to be recordedthe instrument for unimpaired loans at origination or purchase.and held-to-maturity investment securities. This is a change from the 40-year standard in which loan losses are handledrecorded under “incurringthe “incurred loss” concept.  The CECL methodology estimates losses in consideration of a reasonably foreseeable economic forecast. Implementing this change in accounting meaning something has happened that has caused impairment to a loan.  The “expected loss” methodology requires that financial institutions consider events that have happened in the past and may be expected to occur in the future based on prior life-of-loan or life-of-portfolio historical loss rates. This change has the potential to poseinvolves compliance and operational challenges for financial institutions asand the life-of-loan loss concept presents complexities that canresults may decrease capital and addincrease volatility to allowance for loan losses estimates.  In addition,in the new standard may requireestimate of losses. The Company will make changes to the Company’sits policies, procedures and technology systems to properly account for and comply with the new methodology.  CECL is not set to take effect until 2020.

The Company is subject to changes in tax law and may not realize tax benefits which could adversely affect our results of operations.

Changes in tax laws at national or state levels could have an effect on the Company’s short-term and long-term earnings.  Tax law changes are both difficult to predict and are beyond the Company’s control.  Changes in tax laws could affect the Company’s earnings as well as its customers’ financial positions, or both.  On December 22, 2017, the President signed into law the TCJA which, effective January 2018, reduced the corporate tax rate as well as adjusted tax rates, deductions and exemptions for individuals and businesses alike. While the reduction in the corporate tax rate could benefit the Company long-term, the Company took a one-time, non-cash charge of $8.1 million in the fourth quarter of 2017 as a result of the revaluation of the Company’s net deferred tax position following the enactment of the TCJA.

Deferred tax assets are designed to reduce subsequent period’s income tax expense and arise, in part, as a result of net loss carry-overs, and other book accounting to tax accounting differences including the allowance for loan losses, stock-based compensation, and deferred compensation. Such items are recorded as assets when it is anticipated the assettax consequences will be usedrecorded in future periods. ValuationA valuation allowance is established against a deferred tax asset when it is unlikely the assetsfuture tax effects will be realized. Significant judgment by management about matters that are by nature uncertain is required to record a deferred tax asset and establish a valuation allowance.

In evaluating the need for a valuation allowance, the Company estimated future taxable income based on management forecasts and tax planning strategies that may be available to us. If future events differ significantly from our current forecasts, it may need to establish a valuation allowance against its net deferred tax assets, which would have a material adverse effect on its results of operations and financial condition. In addition, current portions of the net deferred tax assets relate to tax-effectedtax effected state net operating loss carry-forward, the utilization of which may be further limited in the event of certain material changes in itsthe Company’s ownership.

In addition, changes in ownership could further limit the Company’s realization of deferred tax assets. The ultimate realization of deferred tax assets is dependent upon the generation of future taxable income during the periods prior to the expiration of the related net operating losses and the limitation of Section 382 of the Internal Revenue Code. Section 382 of the Code contains rules that limit the ability of a company that undergoes an ownership change to utilize its net operating loss carry-forwards and certain built-in losses recognized in years after the ownership change. The Company issued a significant amount of common stock in connection with the acquisition of Pulaski in 2016 and anticipates issuing common stock in connection with the acquisitionacquisitions of First Community and Mid Illinois in 2017.  While this willthe issuance of stock does not affect an ownership change under Section 382, it may make it more likely that an ownership change under Section 382 will occur in the future.  If the Company undergoes an ownership change for purposes of Section 382 as a result of future transactions involving its common stock, its ability to use any of our net operating loss carry-forwards, tax credit carry-forwards or net unrealized built-in losses at the time of ownership change would be subject to the limitations of Section 382 on its use against future taxable income.382. The limitation may affect the amount of the Company’s deferred income tax asset and, depending on the limitation, a portion of its built-in losses, any netlosses.  Net operating loss carry-forwards or tax credit carry-forwards could expire before itthe Company would be able to use them. This could adversely affect the Company’s financial position, results of operations and cash flow.

Operational Risks

The Company relies on the integrity of its operating systems and employees, and those of third-parties and certain failures of such systems or error by such employees or customers could materially and adversely affect the Company’s operations.

Communications and information systems are essential to conduct the Company’s business, as it uses such systems to manage customer transactions and relationships, the general ledger, and deposits, loans, and investments.  However, the computer systems and network infrastructure the Company uses could be vulnerable to unforeseen problems as operations are dependent upon the protection of computer equipment against damage from physical theft, fire, power loss, telecommunications failure or a similar catastrophic event, as well as from security breaches, cybersecurity attacks, viruses and other disruptive problems caused by hackers.  The termination of a third party software license or service agreement on which any of these systems is based could also interrupt our operations.

In addition, the Company outsources certain processing functions to third-party providers.  If third-party providers encounter difficulties or if the Company has difficulty in communicating with them, the ability to adequately process and account for customer transactions may be affected and business operations may be adversely impacted.  If third-party providers are unable to meet service expectations, experience system or processing failure, or incur disruptions affecting operations, results could adversely impact the Company. Moreover, it may be difficult for the Company to replace third party vendors, particularly vendors providing core banking and information services, in a timely manner if they are unwilling or unable to provide the Company with these services in the future or for any reason and, even if the Company is able to replace them, it may be at higher cost or result in the loss of customers.  The Company follows certain due diligence procedures in reviewing and vetting its third-parties, however, it cannot control their actions.

Although the Company has procedures in place to prevent or limit the effects of any of these potential problems and intends to continue to implement security technology and establish operational procedures to prevent such occurrences, technology-related disruptions, failures and cybersecurity risks are a constant threat, both for the Company and for the third-parties it works with.  Therefore, it cannot guarantee that these measures will be successful.  Any failure, interruption in, or breach in security of, its computer systems and network infrastructure, as well as those of its customers engaging in internet banking activities or electronic funds transfers, could damage its reputation, result in a loss of customer business, subject it to additional regulatory scrutiny, or expose it to civil litigation and possible financial liability, any of which could have a material adverse effect on its financial condition and results of operations.

Similarly, the Company is reliant upon its employees. Such dependencies create risks for potential losses resulting from employee errors, breakdowns in process or control, failures to properly execute change management, negligence, or a number of other factors outside the Company’s control.  The Company maintains a system of internal controls and insurance coverage to mitigate operational risks, including data processing system failures and errors, customer or employee fraud and other disruptions which might impact its business. In addition, the Company’s Internal Audit department routinely reviews operations and high risk areas for error, deficient controls, and failure to adhere to policy.

Potential legal actions, fines and civil money penalties could arise as results of an operational deficiency or as a result of noncompliance with applicable regulatory standards, adverse business decisions or their implementation, and customer attrition due to potential negative publicity.

A breach in the security of the Company’s systems could disrupt its businesses, result in the disclosure of confidential information, damage its reputation and create significant financial and legal exposure for the Company.

Although the Company devotes significant resources to maintain and regularly upgrade systems and processes designed to protect the security of its computer systems, software, networks and other technology assets, these measures do not provide absolute security. In fact, several financial services institutions, government agencies, retailers and other companies have reported breaches in the security of their websites or other systems, some of which have involved sophisticated and targeted attacks intended to obtain unauthorized access to confidential information, destroy data, disable or degrade service, or sabotage systems, often through the introduction of computer viruses or malware, cyber-attacks and other means.

Some companies in the United States have experienced well-publicized attacks from technically sophisticated and well-resourced third-parties that were intended to disrupt normal business activities by making internet banking systems inaccessible to customers for extended periods. These “denial-of-service” attacks may not have breached data security systems, but require substantial resources to defend, and may affect customer satisfaction and behavior. Furthermore, even if not directed at the Company, attacks on financial or other institutions important to the overall functioning of the financial system could adversely affect, directly or indirectly, aspects of the Company’s businesses.

Threats to security also exist in the processing of customer information through various other third-parties, their personnel, and their use of subcontractors.  Furthermore, advances in computer capabilities, new discoveries in the field of cryptography or other developments could result in a compromise or breach of the algorithms the Company and its third-party service providers use to encrypt and protect customer transaction data.  Such cyber incidents may go undetected for a period of time.  An inability by our third-party providers to anticipate, or failure to adequately mitigate, breaches of security could result in a number of negative events, including losses to us or our clients, loss of business or clients, damage to our reputation, the incurrence of additional expenses, additional regulatory scrutiny or penalties or exposure to civil litigation and possible financial liability, any of which could have a material adverse effect on our business, financial condition, results of operations and growth prospects.

The Company also faces risks related to cyber-attacks and other security breaches in connection with credit card and debit card transactions that typically involve the transmission of sensitive information regarding the Company’s customers through various third-parties, including merchant acquiring banks, payment processors, payment card networks and its processors. Because card transactions involve third-parties and environments such as the point of sale that the Company does not control or secure, future security breaches or cyber-attacks affecting any of these third-parties could impact the Company through no fault of its own, and in some cases it may have exposure and suffer losses for breaches or attacks relating to them.  Further cyber-attacks or other breaches in the future, whether affecting the Company or others, could intensify consumer concern and regulatory focus and result in reduced use of payment cards and increased costs, all of which could have a material adverse effect on the Company’s business.

Penetration or circumvention of the Company’s security systems could result in serious negative consequences for the Company, including significant disruption of the Company’s operations, misappropriation of confidential information of the Company or that of its customers or employees, or damage to computers or systems of the Company and those of its customers and counterparties.  Such events could result in violations of applicable privacy and other laws, financial loss to the Company or its customers, loss of confidence in the Company’s security measures, customer dissatisfaction, significant litigation exposure and harm to the Company’s reputation, all of which would adversely affect the Company.

These risks have increased for all financial institutions globally as new technologies, the use of the Internet and telecommunications technologies, including mobile devices, to conduct financial and other business transactions and the increased sophistication and activities of organized crime, perpetrators of fraud, hackers, terrorists and others. Despite the Company’s efforts to prevent or limit the effects of potential threats, it is possible that the Company may not be able to anticipate or implement effective preventative measures against all security breaches of these types, especially because the techniques used change frequently or are not recognized until launched, and because security-related attacks can originate from a wide variety of sources, including organized crime, hackers, terrorists, activists, and other external parties, including parties sponsored by hostile foreign governments. Those parties may also attempt to fraudulently induce employees, customers, third-party service providers or other users of the Company’s systems to disclose sensitive

information in order to gain access to the Company’s data or that of its customers. These risks may increase in the future as the Company increases its mobile payments, internet-based product offerings, and expand its internal usage of web-based products and applications.

Customer or employee fraud may affect operations, result in significant financial loss, and have an adverse impact on the Company’s reputation.

Misconduct could subject the Company to financial losses or regulatory sanctions and seriously harm its reputation. Misconduct by employees and customers could include hiding unauthorized activities, improper or unauthorized activities or improper use of confidential information. It is not possible to prevent all errors and misconduct, and the precautions the Company takes to prevent and detect this activity may not be effective in all cases.

Customer or other outsiders may also attempt to perpetuate fraud or scams in the form of identity theft, money laundering, fraudulent or altered deposits, or use of counterfeit instruments, as a few examples.  The Company also faces fraud risk associated with the origination of loans, including the intentional misstatement of information in property appraisals or other underwriting documentation provided to it by customers or by third-parties.  Customers may expose the Company to certain fraud risks associated with the compromise of their computing systems or accounts, as well.

Should the Company’s internal controls fail to prevent or detect an occurrence, or if any resulting loss is not insured or exceeds applicable insurance limits, such failures could adversely affect its business, results of operations and financial condition. Both the number and sophistication level of attempted fraudulent transactions are increasing.  Should our internal controls fail to prevent or detect an occurrence of fraud, or if any resulting loss is not insured or exceeds applicable insurance limits, it could have a material adverse effect on the Company’s business, results of operations and financial condition.

The Company’s ability to attract and retain management and key personnel may affect future growth and earnings and legislation imposing new compensation restrictions could adversely affect its ability to do so.

Much of the Company’s success and growth has been influenced strongly by its ability to attract and retain management experienced in banking and financial services and familiar with the communities in its market areas. The Company’s ability to retain executive officers, current management teams, lending and retail banking officers, and administrative staff of its subsidiaries continues to be important to the successful implementation of its strategy.  In addition, the Company’s ability to retain key personnel at acquired financial institutions is vitally important to the Company’s strategy to grow through mergers and acquisitions.  Also critical is the Company’s ability to attract and retain qualified staff with the appropriate level of experience and knowledge about its market areas so as to implement its community-based operating strategy. The unexpected loss of services of key personnel, or the inability to recruit and retain qualified personnel in the future, could have an adverse effect on the Company’s business, financial condition, and results of operation.

Damage resulting from negative publicity could harm the Company’s reputation and adversely impact its business and financial condition.

The Company’s ability to attract and maintain customers, investors, and employees is contingent upon maintaining trust. Negative public opinion could result from the Company’s actual or alleged conduct in a number of activities, including, but not limited to, employee misconduct, a failure or perceived failure to deliver appropriate standards of service and quality or to treat customers fairly, faulty lending practices, compliance failures, security breaches, corporate governance, sharing or inadequate protection of customer information, failure to comply with laws or regulations, and actions taken by government regulators and community organizations in response to that conduct. The results of such actual or alleged misconduct could include customer dissatisfaction, inability to attract potential acquisition prospects, litigation, and heightened regulatory scrutiny, all of which could lead to lost revenue, higher operating costs and harm to the Company’s reputation. No assurance can be made, despite the cost or efforts made by the Company to address the issues arising from reputational harm, that results could not adversely affect the Company’s business, financial condition, and results of operations.

Severe weather, natural disasters, acts of terrorism or war or other adverse external events could significantly impact the Company’s business.

Severe weather, natural disasters, acts of terrorism or war and other adverse external events could have a significant impact on the Company’s ability to conduct business. In addition, such events could affect the stability of the Company’s deposit base; impair the ability of borrowers to repay outstanding loans, impair the value of collateral securing loans, cause significant property damage, result in loss of revenue and/or cause the Company to incur additional expenses. The occurrence of any such event in the future could have a material adverse effect on the Company’s business, which in turn, could have a material adverse effect on the financial condition and results of operation.

The Company’s framework for managing risks may not be effective in mitigating risk and loss.

The Company’s risk management framework seeks to mitigate risk and loss. It has established processes and procedures intended to identify, measure, monitor, report, and analyze the types of risk to which it is subject, compliance risk and reputational risk, among others. However, as with any risk management framework, there are inherent limitations.  Risks may exist, or emerge in the future, that have not been appropriately identified or anticipated. The Company’s ability to successfully identify and manage the risks it faces is an important factor that can significantly impact results. If its risk management framework proves ineffective, the Company could suffer unexpected losses and could be materially adversely affected.

If securities or industry analysts do not publish or cease publishing research reports about us, if they adversely change their recommendations regarding our stock or if our operating results do not meet their expectations, the price of our stock could decline.

The trading market for our common stock will be influenced by the research and reports that industry or securities analysts may publish about us, our business, our market or our competitors. If there is limited or no securities or industry analyst coverage of us, the market price for our stock would be negatively impacted. Moreover, if any of the analysts who elect to cover us downgrade our common stock, provide more favorable relative recommendations about our competitors or if our operating results or prospects do not meet their expectations, the market price of our common stock may decline. If one or more of these analysts ceases coverage of us or fails to publish reports on us regularly, demand for our stock could decrease, which could cause our stock price and trading volume to decline.

New lines of business or new products and services may subject us to additional risks.

From time to time, we may seek to implement new lines of business or offer new products and services within existing lines of business in our current markets or new markets. There are substantial risks and uncertainties associated with these efforts, particularly in instances where the markets are not fully developed. In developing and marketing new lines of business and/or new products and services, we may invest significant time and resources. Initial timetables for the introduction and development of new lines of business and/or new products or services may not be achieved and price and profitability targets may not prove feasible, which could in turn have a material negative effect on our operating results.

Item 1B.  Unresolved Staff Comments

None.

Item 2. Properties

First Busey’sBusey and Busey Bank’s headquarters are located at 100 West University Avenue, Champaign, Illinois. The Busey Bank andSouth Side Bank’s headquarters are located at 2119 Southwest Adams Street, Peoria, Illinois.  Busey Wealth ManagementManagement’s headquarters are also located at 100201 West University Avenue, Champaign,Main Street, Urbana, Illinois.  FirsTech’s headquarters are located at 130 North Water Street, Decatur, Illinois. These facilities, which are owned by the Company, house the executive and primary administrative offices of each respective entity. The Company also owns or leases other facilities, such as branchesbanking centers of Busey Bank,the Banks, for business operations.

First Busey and its subsidiaries own or lease all of the real property and/or buildings on which each respective entity is located.  From time to time, the Company will sign contracts forinitiate construction projects relatingrelated to the Company’s facilities.  The Company considers its properties to be suitable and adequate for its present needs.

Item 3. Legal Proceedings

As part of the ordinary course of business, First Busey and its subsidiaries are parties to litigation that is incidental to their regular business activities.

There is no material pending litigation, other than ordinary routine litigation incidental to its business, in which First Busey or any of its subsidiaries is involved or of which any of their property is the subject.  Furthermore, there is no pending legal proceeding that is adverse to First Busey in which any director, officer or affiliate of First Busey, or any associate of any such director or officer, is a party, or has a material interest.

Item 4.  Mine Safety Disclosures

Not applicable.

Part II

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

Common Stock Prices and Dividends

The following table presents for the periods indicated the high and low sales price for First Busey common stock as reported on The Nasdaq Global Select Market.  Prices have been adjusted to reflect the Reverse Stock Split on September 8, 2015.

During 20162017 and 2015,2016 First Busey declared cash dividends per share of common stock as follows:

The Company’s board of directors and management are currently committed to continue paying regular cash dividends; however, no guarantee can be given with respect to future dividends, as they are dependent on certain regulatory restrictions, future earnings, capital requirements and financial condition of the Company and its subsidiaries.  See “Item 1. Business—Supervision, Regulation and Other Factors—Regulation and Supervision of Company—Dividend Payments and Regulation” and “Item 1. Business—Supervision, Regulation and Other Factors—Regulation and Supervision of the Banks—Dividend Payments” for further discussion of these matters.

As of February 28, 2017,2018, First Busey Corporation had 38,231,65448,691,633 shares of common stock outstanding held by 1,7102,194 holders of record.  Additionally, there were an estimated 7,0327,772 beneficial holders whose stock was held in street name by brokerage houses and nominees as of that date.

Stock Repurchases

On February 3, 2015, First Busey’s board of directors authorized the Company to repurchase up to an aggregate of 666,667 shares of its common stock.  The repurchase plan has no expiration date and replaced the prior repurchase plan that was originally approved in 2008.  There were no purchases made by or on behalf of First Busey of shares of its common stock shares during the quarter ended December 31, 2016.2017.  At December 31, 2016,2017, the Company had 333,334 shares that may yetstill be purchased under the plan.

Performance Graph

The following graph compares First Busey’s performance, as measured by the change in price of its common stock plus reinvested dividends, with the NASDAQNasdaq Composite and the SNL Midwest Bank Index for the five years ended December 31, 2016.2017.

First Busey Corporation
Stock Price Performance

The banks in the SNL Midwest Bank Index represent all publicly traded banks, thrifts or financial service companies located in Iowa, Illinois, Indiana, Kansas, Kentucky, Michigan, Minnesota, Missouri, North Dakota, Nebraska, Ohio, South Dakota and Wisconsin.

Item 6.  Selected Financial Data

Selected Consolidated Financial Information

The following selected financial data adjusted(adjusted to reflect a reverse stock split of the ReverseCompany’s common stock at a ratio of one-for-three (the “Reverse Stock Split,Split”) which became effective on September 8, 2015) as of year-end and for each of the five years in the period ended December 31, 2016,2017, have been derived from First Busey’s audited Consolidated Financial Statements and the results of operations for each period.  This financial data should be read in conjunction with the Consolidated Financial Statements and the related Notes to the Consolidated Financial Statements included in this Annual Report.Report (dollars in thousands, except per share data).

(1)Total assets less goodwill and intangible assets, non-GAAP.

(2)Includes federal funds purchased, securities sold under agreements to repurchase, and short-term borrowings.

(3)Common equity less tax effected goodwill and intangible assets.

(4)Total common equity divided by shares outstanding as of period end.

(5)Total common equity less goodwill and intangible assets divided by shares outstanding as of period end.

(6)Tax-equivalent net interest income divided by average earning assets.

(7)Average common equity divided by average total assets.

(8)Ratio calculated using only common stock.

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

The following is management’s discussion and analysis of the financial condition as of December 31, 20162017 and 20152016 and results of operations for the years ended December 31, 2017, 2016, 2015, and 20142015 of First Busey and its subsidiaries.  It should be read in conjunction with “Item 1. Business,” “Item 6. Selected Financial Data,” the Consolidated Financial Statements and the related Notes to the Consolidated Financial Statements included in this Annual Report.

Critical Accounting Estimates

First Busey has established various accounting policies that govern the application of GAAP in the preparation of its Consolidated Financial Statements.  First Busey’s significantSignificant accounting policies are described in “Note 1. Significant Accounting Policies” in the Notes to the Consolidated Financial Statements.  The majority of these accounting policies do not require management to make difficult, subjective or complex judgments or estimates or the variability of the estimates is not material.

Critical accounting estimates are those that are critical to the portrayal and understanding of First Busey’s financial condition and results of operations and require management to make assumptions that are difficult, subjective or complex.  These estimates involve judgments, assumptions and uncertainties that are susceptible to change.  In the event that different assumptions or conditions were to prevail, and depending on the severity of such changes, the possibility of a materially different financial condition or materially different results of operations is a reasonable likelihood.  Further, changes in accounting standards could impact the Company’s critical accounting estimates.  The following policies could be deemed critical:

Fair Value of Investment Securities. Securities are classified as held to maturity when First Busey has the ability and management has the intent to hold those securities to maturity.  Accordingly, they are stated at cost, adjusted for amortization of premiums and accretion of discounts. At December 31, 2017, First Busey had $47.8held $443.6 million of securities classified as held to maturity at December 31, 2016.  First Buseyand had no securities classified as trading at December 31, 2016.2017.  Securities are classified as available for sale when First Busey may decide to sell thosedetermines it is possible the securities could be sold in the future due to changes in market interest rates, liquidity needs, changes in yields on alternative investments, and for other reasons.  TheySecurities classified as available for sale are carried at fair value with unrealized gains and losses, net of taxes, reported in other comprehensive income.income (loss).  As of December 31, 2016,2017, First Busey had $759.8held $878.0 million of securities classified as available for sale.  For equity securities, fair value at the measurement date is determined by unadjusted quoted prices in active markets for identical assets are utilized to determine fair value at the measurement date.assets.  For all other securities, we obtain fair value measurements from an independent pricing service. The fair value measurements considerservice are based on observable data that may include dealer quotes, market spreads, cash flows, the U.S. Treasury yield curve, live trading levels, trade execution data, market consensus prepayment speeds, credit information and the security’s terms and conditions, among other things.   Due to the limited nature of the market for certain securities, the fair value and potential sale proceeds could be materially different in the event of a sale.

Realized securities gains or losses are reported in security gains (losses), net in the Consolidated Statements of Income. The cost of securities sold is based on the specific identification method. Declines in the fair value of securities below their amortized cost are evaluated to determine whether they are temporary or OTTI.  If the Company (a) has the intent to sell a debt security or (b) will more likely than not be required to sell the debt security before its anticipated recovery, then the Company recognizes the entire unrealized lossdecline in earningsfair value as an OTTI loss.  If neither of these conditions are met, the Company evaluates whether a credit loss exists.  The impairmentdecline in fair value is separated into the amount of the total impairment related to the credit loss and the amount of total impairment related to all other factors.  The amount of the total OTTIimpairment related to the credit loss is recognized in earnings, and the amount of impairment related to all other factors is recognized in other comprehensive income.income (loss).

The Company also evaluates whether the decline in fair value of an equity security is temporary or OTTI.  In determining whether an unrealized loss on an equity security is temporary or OTTI, management considers various factors including the magnitude and duration of the impairment, the financial condition and near-term prospects of the issuer, and the intent and ability of the Company to hold the equity security to forecasted recovery.

Fair Value of Assets Acquired and Liabilities Assumed in Business Combinations. Business combinations are accounted for using the acquisition method of accounting.  Under the acquisition method of accounting, assets acquired and liabilities assumed are recorded at their estimated fair value on the date of acquisition.  Analysis is conducted underFair values are determined based on the standarddefinition of fair value which is defined in FASB Accounting Standards Codification (“ASC”) Topic 820 — Fair Value Measurement as “the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date.”

The fair value of a loan portfolio acquired in a business combination generally requires greater levels of management estimates and judgment than the remainder ofother assets acquired or liabilities assumed. At the date of acquisition, when the loans have evidence of credit deterioration since origination and it is probable that the Company will not collect all contractually required principal and interest payments, the difference between contractually required payments and the cash flows expected to be collected at acquisition is referred to as the non-accretable difference. TheAt each future reporting date, the Company must estimatere-estimates the expected cash flows at each future reporting date.of the loans. Subsequent decreases in the expected cash flows will generally result in a provision for loan losses. Subsequent increases in the expected cash flows will generally be offset against the allowance for loan losses to the extent an allowance has been established or will be recognized as interest income prospectively.

Allowance for Loan Losses. First Busey has established an allowance for loan losses which represents its estimate of the probable losses inherent in the loan portfolio as of the date of the financial statementsConsolidated Financial Statements and reduces the total loans outstanding by an estimate of uncollectible loans.  Loans deemed uncollectible are charged against and reduce the allowance.  A provision for loan losses is charged to current expense.  This provisionexpense and acts to replenish the allowance for loan losses andin order to maintain the allowance at a level that management deems adequate.  Acquired loans from business combinations with uncollected principal balances are carried net of a fair value adjustment for credit and interest rates.  These loans are only included in the allowance calculation to the extent that the reserve requirement exceeds the fair value adjustment.  However, as the acquired loans renew, it is generally necessary to establish an allowance which represents an amount that, in management’s opinion, will be adequate to absorb probable credit losses in such loans.

To determine the adequacy of the allowance for loan losses, a formal analysis is completed quarterly to assess the risk within the loan portfolio.  This assessment is reviewed by the Company’s senior management.  The analysis includes a review of historical performance, dollar amount and trends of past due loans, dollar amount and trends in non-performing loans, certain impaired loans, and loans identified as sensitive assets.  Sensitive assets include non-accrual loans, past-due loans, loans on First Busey’s watch loan reports and other loans identified as having probable potential for loss.

The allowance consists of specific and general components.  The specific component considers loans that are classified as impaired.  For such loans that are classified as impaired, an allowance is established when the discounted cash flows (or collateral value or observable market price) of the impaired loan is lower than the carrying amount of that loan.  The general component covers non-classified loans and classified loans not considered impaired, and is based on historical loss experience adjusted for qualitative factors.  Other adjustments may be made to the allowance for pools of loans after an assessment of internal or external influences on credit quality that are not fully reflected in the historical loss experience.

A loan is considered to be impaired when, based on current information and events, it is probable First Busey will not be able to collect all principal and interest amounts due according to the contractual terms of the loan agreement.  When a loan becomes impaired, management generally calculates the impairment based on the present value of expected future cash flows discounted at the loan’s effective interest rate.  If the loan is collateral dependent, the fair value of the collateral is used to measure the amount of impairment.  The amount of impairment and any subsequent changes are recorded through a charge to the provision for loan losses.  For collateral dependent loans, First Busey has determined the required allowance on these loans based upon the estimated fair value, net of selling costs, of the applicable collateral.  The required allowance or actual losses on these impaired loans could differ significantly if the ultimate fair value of the collateral is significantly different from the fair value estimates used by First Busey in estimating such potential losses.

Executive Summary

Operating Results (dollars in thousands)

Operating Performance

The Company continued its steady earnings expansion with net income andof $62.7 million, or $1.45 per diluted common share, compared to net income available to common stockholders of $49.7 million, or $1.40 per diluted common share, for the year ended December 31, 2016, compared to2016.  2017 net income was impacted by a one-time, non-cash charge of $39.0$8.1 million and net income available to common stockholdersin the fourth quarter of $38.3 million,2017, or $1.32$0.19 per diluted common share for the year, due to the revaluation of the Company’s net deferred tax position following the enactment of the TCJA.  Adjusted net income(1) for 2017 was $75.7 million, or $1.75 per diluted common share.  ROA was 1.00% for the year ended December 31, 2015.

The 20162017 and ROA based on adjusted net income(1) was 1.20% for the year ended December 31, 2017.  In addition to the Company’s organic growth, the year-end results benefitted from the acquisition of PulaskiFirst Community, since the closing of the transaction on April 30, 2016, resettingJuly 2, 2017, and Mid Illinois since the baselineclosing of the transaction on October 1, 2017.

The Company views certain non-operating items including, but not limited to, acquisition and restructuring charges and the tax adjustment related to the TCJA as adjustments to net income.  Non-operating adjustments for financial performance2017 include $7.1 million of pre-tax acquisition costs; $0.8 million in currentpre-tax other restructuring costs, and future periods in a multitude$8.1 million related to the revaluation of positive ways.  We expect to continue to realize significant accretion to core earningsthe Company’s net deferred tax position as a result of this transaction.TCJA.  The additionreconciliation of Pulaski rapidly accelerated growth in nearly every financial measure.  The acquisition of Pulaski allowednon-GAAP measures (including adjusted net income, adjusted efficiency ratio, adjusted ROA, tangible book value and tangible book value per share), which the Company to significantly expandbelieves facilitates the assessment of its geographic presence through a premier St. Louis banking franchise with an almost 100-year historyoperations and a strong regional residential lending presence.  Further,peer comparability, is included in tabular form in this acquisition created a Midwest community bank with greater scale and improved operating efficiency, along with geographic and balance sheet diversification.

The Company incurred $10.0 millionAnnual Report on Form 10-K in pre-tax expenses related to the Pulaski acquisition during 2016.  The level of such expenses is expected to decrease in future periods.  In addition, the Company incurred $2.8 million of notable pre-tax costs during 2016, from wealth management division restructuring, branch fixed asset impairments and losses on private equity investments, which were partially offset by favorable pre-tax amounts of $1.5 million relating to a gain on sale of other real estate owned and a security gain from a strategic bond trade.  Excluding these items, the Company’s operating earnings(1) for 2016 would have been $56.5 million or $1.60 per diluted common share.

Portfolio loans increased to $3.88 billion at December 31, 2016 compared to $2.63 billion at December 31, 2015.  The growth during the year was primarily due to the Pulaski acquisition.  Commercial loans at December 31, 2016 grew to $2.80 billion from $1.96 billion for the same period of 2015, a notable increase of 42.5%.Non-GAAP Financial Information.

Revenues from trust fees, commissions and brokers’ fees, and remittance processing activities represented 45.8%45.5% of the Company’s non-interest income for the year ended December 31, 2016,2017, providing a balance to revenue from traditional banking activities.  AsTwo of the Company’s acquisitions, Pulaski and First Community, had no legacy fee income in these businesses,businesses; therefore, the addition of these fee-based service offerings in Pulaski’sthese acquired bank markets is expected to provide attractive growth opportunities in future periods.

2017 Merger

On February 6, 2017,Positive momentum from new partnerships with talented bankers in St. Louis, Peoria and the Chicagoland area bring an expanding pool of business opportunities to generate value and diversity across new markets.  Our priorities continue to focus around balance sheet strength, profitability and growth, in that order.  Commercial loans remain a driver of balance sheet growth, while credit costs remain low.  Favorable mix changes continue to occur across our deposit base as our relationship model builds ongoing efficiency into funding sources. Net income in the banking, remittance processing and wealth management segments expanded on a comparative basis to the year ended December 31, 2016.  With our strong capital position, an attractive core funding base, a sound credit foundation, and an active growth plan, the Company entered into the Merger Agreement with First Community, pursuant to which First Community will merge into First Busey, with First Busey as the surviving corporation.  It is anticipated that First Community Financial Bank, First Community’s wholly-owned bank subsidiary, will be merged withwell poised for growth in 2018 and into First Busey’s bank subsidiary, Busey Bank, at a date following the completion of the holding company merger. At the time of the bank merger, First Community Financial Bank’s banking offices will become branches of Busey Bank. The Merger is anticipated to be completed in mid-2017, and is subject to the satisfaction of customary closing conditions contained in the Merger Agreement including the approval of the appropriate regulatory authorities and the stockholders of First Community. The acquisition provides the Company entrance into the demographically and economically attractive southwest suburban markets of the greater Chicagoland area.  These markets are home to more than 1.67 million people; 593,000 households and nearly 70,000 businesses.  Both companies value an engaged and empowered workforce, and are committed to building a premier, service-oriented, community brand experience.  As of December 31, 2016, First Community had total consolidated assets of $1.3 billion, total loans of $991.6 million and total deposits of $1.1 billion.beyond.

(1)Operating earnings, For a reconciliation of adjusted net income, a non-GAAP financial measure, see Non-GAAP Financial Information.

Asset Quality

While much internal focus has been directed toward growth, the Company’s commitment to credit quality remains strong.  The asset metrics below reflect the post combinationpost-combination results with Pulaskieach of First Community and Mid Illinois since the date of their respective acquisition.  As of December 31, 2016,2017, the Company reported non-performing loans of $21.6$27.4 million compared to $12.8$21.6 million as of December 31, 2015.2016.  Non-performing loans were 0.56%0.50% of total portfolio loans as of December 31, 20162017 compared to 0.49%0.56% as of December 31, 2015.2016.  With a continued commitment to asset quality and the strength of our balance sheet, near-term loan losses are expected to remain generally low.  While these results are encouraging, asset quality metrics can be generally influenced by market-specific economic conditions, and specific measures may fluctuate from period to period.  The key metrics are as follows:follows (dollars in thousands):

Results of Operation — Three Years Ended December 31, 20162017

Net Interest Income

Net interest income is the difference between interest income and fees earned on earning assets and interest expense incurred on interest-bearing liabilities.  Interest rate levels and volume fluctuations within earning assets and interest-bearing liabilities impact net interest income.  Net interest margin is tax-equivalent net interest income as a percent of average earning assets.

Certain assets with tax favorable treatment are evaluated on a tax-equivalent basis.  Tax-equivalent basis assumes a federal income tax rate of 35%.  Tax favorable assets generally have lower contractual pre-tax yields than fully taxable assets.  A tax-equivalent analysis is performed by adding the tax savings to the earnings on tax favorable assets.  After factoring in the tax favorable effects of these assets, the yields may be more appropriately evaluated against alternative earning assets.  In addition to yield, various other risks are factored into the evaluation process.

The following tables show our Consolidated Average Balance Sheets, detailing the major categories of assets and liabilities, the interest income earned on interest-earning assets, the interest expense paid for the interest-bearing liabilities, and the related interest rates for the periods shown.  The tables also show, for the periods indicated, a summary of the changes in interest earned and interest expense resulting from changes in volume and rates for the major components of interest-earning assets and interest-bearing liabilities.  For purposes of this table, changes attributable to both rate and volume, which cannot be segregated, have been allocated proportionately, based on changes due to rate and changes due to volume.  All average information is provided on a daily average basis.

Average Balance Sheets and Interest Rates (dollars in thousands)