Nature of Activities and Significant Accounting Policies

Nature of activities: Hills Bancorporation (the "Company") is a holding company engaged in the business of commercial banking. The Company's subsidiary is Hills Bank and Trust Company, Hills, Iowa (the “Bank”), which is wholly-owned. The Bank is a full-service commercial bank extending its services to individuals, businesses, governmental units and institutional customers primarily in the communities of Hills, Iowa City, Coralville, North Liberty, Lisbon, Mount Vernon, Kalona, Wellman, Cedar Rapids, Marion and Washington, Iowa.

The Bank competes with other financial institutions and non-financial institutions providing similar financial products. Although the loan activity of the Bank is diversified with commercial and agricultural loans, real estate loans, automobile, installment and other consumer loans, the Bank's credit is concentrated in real estate loans. All of the Company’s operations are considered to be one reportable operating segment.

Accounting estimates: The preparation of consolidated financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amount of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.

Certain significant estimates: The allowance for loan losses, fair values of securities and other financial instruments, and share-based compensation expense involve certain significant estimates made by management. These estimates are reviewed by management routinely and it is reasonably possible that circumstances that exist at December 31, 2015 may change in the near-term and the effect could be material to the consolidated financial statements.

Principles of consolidation: The consolidated financial statements include the accounts of the Company and its subsidiary. All significant intercompany balances and transactions have been eliminated in consolidation.

Revenue recognition: Interest income on loans and investment securities is recognized on the accrual method. Loan origination fees of mortgage loans originated for sale are recognized when the loans are sold. Trust fees, deposit account service charges and other fees are recognized when the services are provided or when customers use the services.

Cash and cash equivalents: The Company considers all investments with original maturities of three months or less to be cash equivalents. At December 31, 2015 and 2014, cash equivalents consisted primarily of deposits with other banks.

Investment securities: Available-for-sale securities consist of debt securities not classified as trading or held to maturity. Available-for-sale securities are stated at fair value, and unrealized holding gains and losses, net of the related deferred tax effect, are reported as a separate component of stockholders' equity. There were no trading or held to maturity securities as of December 31, 2015 or 2014.

Stock of the Federal Home Loan Bank is carried at cost. The Company has evaluated the stock and determined there is no impairment.

Premiums and discounts on debt securities are amortized or accreted over the period to maturity of those securities. The method of amortization results in a constant effective yield on those securities (the interest method). Realized gains and losses on investment securities are included in income, determined on the basis of the cost of the specific securities sold.

Declines in the fair value of investment securities available for sale (with certain exceptions for debt securities noted below) that are deemed to be other-than-temporary are charged to earnings as a realized loss, and a new cost basis for the securities is established. In evaluating other-than-temporary impairment, the Company considers the length of time and extent to which the fair value has been less than cost, the financial condition and near-term prospects of the issuer, and the intent and ability of the Company to retain its investment in the issuer for a period of time sufficient to allow for any anticipated recovery in fair value in the near term. Declines in the fair value of debt securities below amortized cost are deemed to be other-than-temporary in circumstances where: (1) the Company has the intent to sell a security; (2) it is more likely than not that the Company will be required to sell the security before recovery of its amortized cost basis; or (3) the Company does not expect to recover the entire amortized cost basis of the security. If the Company intends to sell a security or if it is more likely than not that the Company will be required to sell the security before recovery, an other-than-temporary impairment write-down is recognized in earnings equal to the difference between the security’s amortized cost basis and its fair value. If the Company does not intend to sell the security or it is not more likely than not that the Company will be required to sell the security before recovery, the other-than-temporary impairment write-down is separated into an amount representing credit loss, which is recognized in earnings, and an amount related to all other factors, which is recognized in other comprehensive income. Realized securities gains or losses on securities sales (using specific identification method) and declines in value judged to be other-than-temporary are included in investment securities gains (losses), net, in the consolidated statements of income.

Loans: Loans are stated at the amount of unpaid principal, reduced by the allowance for loan losses. Interest income is accrued on the unpaid balances as earned.

Loans held for sale are stated at the lower of aggregate cost or estimated fair value. Loans are sold on a non-recourse basis with servicing released and gains and losses are recognized based on the difference between sales proceeds and the carrying value of the loan. The Company has had very few experiences of repurchasing loans previously sold into the secondary market. A specific reserve was not considered necessary based on the Company’s historical experience with repurchase activity.

The allowance for loan losses is established through a provision for loan losses charged to expense. Loans are charged against the allowance when management believes the collectability of principal is unlikely. The allowance for loan losses is maintained at a level considered adequate to provide for probable losses that can be reasonably anticipated. The allowance is increased by provisions charged to expense and is reduced by net charge-offs. The Bank makes continuous reviews of the loan portfolio and considers current economic conditions, historical loss experience, review of specific problem loans and other factors in determining the adequacy of the allowance. Management classifies loans within the following categories: excellent, good, satisfactory, monitor, special mention and substandard.

The policy for charging off loans is consistent throughout all loan categories. A loan is charged off based on criteria that includes but is not limited to: delinquency status, financial condition of the entire customer credit line and underlying collateral coverage, economic or external conditions that might impact full repayment of the loan, legal issues, overdrafts, and the customer’s willingness to work with the Company.

Loans are considered impaired when, based on current information and events, it is probable the Bank will not be able to collect all amounts due. An impaired loan includes any loan that has been placed on nonaccrual status, loans greater than 90 days past due and still accruing and TDR loans. They also include loans, based on current information and events, that it is likely the Bank will be unable to collect all amounts due according to the contractual terms of the original loan agreement. The portion of the allowance for loan losses applicable to impaired loans has been computed based on the present value of the estimated future cash flows of interest and principal discounted at the loans effective interest rate or on the fair value of the collateral for collateral dependent loans. The entire change in present value of expected cash flows of impaired loans or of collateral value is reported as provision expense in the same manner in which impairment initially was recognized or as a reduction in the amount of provision expense that otherwise would be reported. Interest income on nonaccrual loans is recognized once principal has been recovered.

The accrual of interest income on loans is discontinued when, in the opinion of management, there is reasonable doubt as to the borrower's ability to meet payments of interest or principal when they become due, which is generally when a loan is 90 days or more past due. When a loan is placed on nonaccrual status, all previously accrued and unpaid interest is reversed. Loans are returned to an accrual status when all of the principal and interest amounts contractually due are brought current and repayment of the remaining contractual principal and interest is expected. A loan may also return to accrual status if additional collateral is received from the borrower and, in the opinion of management, the financial position of the borrower indicates that there is no longer any reasonable doubt as to the collection of the amount contractually due. Payment received on nonaccrual loans are applied first to principal. Once principal is recovered, any remaining payments received are applied to interest income. As of December 31, 2015, none of the Company’s nonaccrual loans were earning interest on a cash basis.

Nonrefundable loan fees and origination costs are deferred and recognized as a yield adjustment over the life of the related loan.

Troubled debt restructurings (“TDR loans”): A loan is classified as a troubled debt restructuring when a borrower is experiencing financial difficulties that leads to a restructuring of the loan, and the Company grants concessions to the borrower in the restructuring that it would not otherwise consider. These concessions may include rate reductions, principal forgiveness, extension of maturity date and other actions intended to minimize potential losses to the Company. A loan that is modified at a market rate of interest is no longer classified as troubled debt restructuring in the quarter following the modification if the borrower is no longer experiencing financial difficulties. Performance prior to the restructuring is considered when assessing whether the borrower can meet the new terms. At the time of restructuring, loans included in a troubled debt restructuring may be considered nonaccrual loans. TDR loans are returned to accrual status under the same criteria noted under loans above.

Transfers of financial assets: Transfers of financial assets are accounted for as sales, when control over the assets has been surrendered. Control over transferred assets is deemed to be surrendered when (1) the assets have been isolated from the Company, (2) the transferee obtains the right (free of conditions that constrain it from taking advantage of that right) to pledge or exchange the transferred assets and (3) the Company does not maintain effective control over the transferred assets through an agreement to repurchase them before their maturity or the ability to unilaterally cause the holder to return specific assets.

Credit related financial instruments: In the ordinary course of business, the Company has entered into commitments to extend credit, including commitments under credit card arrangements, commercial letters of credit and standby letters of credit. Such financial instruments are recorded when they are funded.

Tax credit real estate: Tax credit real estate represents two multi-family rental properties, three assisted living rental properties, a multi-tenant rental property for persons with disabilities, and a multi-family senior living rental property, all which are affordable housing projects as of December 31, 2015. The Bank has a 99% or greater limited partnership interest in each limited partnership. The investment in each was completed after the projects had been developed by the general partner. The properties are recorded at cost less accumulated depreciation. The Company evaluates the recoverability of the carrying value on a regular basis. If the recoverability was determined to be in doubt, a valuation allowance would be established by way of a charge to expense. Depreciation expense is provided on a straight-line basis over the estimated useful life of the assets. Expenditures for normal repairs and maintenance are charged to expense as incurred.

The financial condition, results of operations and cash flows of each limited partnership is consolidated in the Company’s Consolidated Financial Statements. The operations of the properties are not expected to contribute significantly to the Company’s income before income taxes. However, the properties do contribute in the form of income tax credits, which lowers the Company’s effective tax rate. Once established, the credits on each property last for ten years and are passed through from the limited partnerships to the Bank and reduces the consolidated federal tax liability of the Company.

Property and equipment: Property and equipment is stated at cost less accumulated depreciation. Depreciation is computed using primarily declining-balance methods over the estimated useful lives of 7-40 years for buildings and improvements and 3-10 years for furniture and equipment.

Deferred income taxes: Deferred income taxes are provided under the asset and liability method whereby deferred tax assets are recognized for deductible temporary differences and net operating loss, and tax credit carryforwards and deferred tax liabilities are recognized for taxable temporary differences. Temporary differences are the differences between the reported amounts of assets and liabilities and their tax bases. Deferred tax assets are reduced by a valuation allowance when, in the opinion of management, it is more likely than not that some or all of the deferred tax assets will not be realized. Deferred tax assets and liabilities are adjusted for the effects of changes in tax laws and rates on the date of enactment. The Company recognizes the effect of income tax positions only if those positions are more likely than not of being sustained. Recognized income tax positions are measured at the largest amount that is greater than 50% likely of being realized. Changes in recognition or measurement are reflected in the period in which the change in judgment occurs. Interest and penalties on unrecognized tax benefits are classified as other noninterest expense. As of December 31, 2015, the Company had no material unrecognized tax benefits.

Goodwill: Goodwill represents the excess of cost over the fair value of the net assets acquired, and is not subject to amortization, but requires, at a minimum, annual impairment tests for intangibles that are determined to have an indefinite life.

Other real estate: Other real estate represents property acquired through foreclosures and settlements of loans. Property acquired is carried at the lower of the principal amount of the loan outstanding at the time of acquisition, plus any acquisition costs, or the estimated fair value of the property, less disposal costs. The Bank will obtain updated appraisals to determine the estimated fair value of the property based on the type of collateral securing the loan and the date of the latest appraisal. Subsequent write downs estimated on the basis of later valuations are charged to net loss on sale of other real estate owned and other repossessed assets. Net operating expenses incurred in maintaining such properties are charged to other non-interest expense. Net capital expenditures incurred are capitalized to the property.

Derivative financial instruments: The Bank uses interest rate swaps as part of its interest rate risk management. Financial Accounting Standards Board (FASB) Accounting Standards Codification (ASC) Topic 815 establishes accounting and reporting standards for derivative instruments and hedging activities. The Bank records all interest rate swaps on the balance sheet at fair value. Derivatives used to hedge the exposure to variability in expected future cash flows are considered cash flow hedges. To qualify for hedge accounting, the Bank must comply with the detailed rules and documentation requirements at the inception of the hedge, and hedge effectiveness is assessed at inception and periodically throughout the life of the hedging relationship.

For derivatives designated as cash flow hedges, the effective portion of changes in the fair value of the derivatives is initially reported in other comprehensive income and subsequently reclassified to interest income or expense when the hedged transaction affects earnings, while the ineffective portion of changes in fair value of the derivative, if any, is recognized immediately in other noninterest income or expense. The Bank assesses the effectiveness of each hedging relationship by comparing the cumulative changes in cash flows of the derivative hedging instruments with the cumulative changes in cash flows of the designated hedged item or transaction. No component of the change in the fair value of the hedging instrument is excluded from the assessment of hedge effectiveness.

The Bank does not use derivatives for trading or speculative purposes.

Earnings per share: Basic earnings per share is computed using the weighted average number of actual common shares outstanding during the period. Diluted earnings per share reflects the potential dilution that would occur from the exercise of common stock options outstanding. ESOP shares are considered outstanding for this calculation unless unearned.

On March 24, 2015, the Company declared a payment of a 2-for-1 stock split of each issued and unissued share of the Company's common stock outstanding as of April 27, 2015. The additional shares were issued as a result of the stock split and were mailed to the shareholders as of May 4, 2015. All shares and earnings per share numbers have been restated for the stock split.

The following table presents calculations of earnings per share:



	Year Ended December 31,
	2015			2014			2013
	(Amounts In Thousands, except share and per share data)
Computation of weighted average number of basic and diluted shares:
Common shares outstanding at the beginning of the year	9,380,432			9,455,250			9,424,656
Weighted average number of net shares redeemed	(36,296		)	(67,022		)	(4,220		)
Weighted average shares outstanding (basic)	9,344,136			9,388,228			9,420,436
Weighted average of potential dilutive shares attributable to stock options granted, computed under the treasury stock method	5,391			4,700			7,270
Weighted average number of shares (diluted)	9,349,527			9,392,928			9,427,706
Net income	$	28,418		$	26,974		$	25,931
Earnings per share:
Basic	$	3.04		$	2.88		$	2.76
Diluted	$	3.04		$	2.87		$	2.75

Stock awards and options: Compensation expense for stock issued through the stock award plan is accounted for using the fair value method prescribed by FASB ASC 718, “Share-Based Payment” (“ASC 718”). Under this method, compensation expense is measured and recognized for all stock-based awards made to employees and directors based on the fair value of each option as of the date of the grant.

Common stock held by ESOP: The Company's maximum cash obligation related to these shares is classified outside stockholders' equity because the shares are not readily traded and could be put to the Company for cash.

Treasury Stock: Treasury stock is accounted for by the cost method, whereby shares of common stock reacquired are recorded at their purchase price.

Trust Department Assets: Property held for customers in fiduciary or agency capacities is not included in the accompanying consolidated balance sheets, as such items are not assets of the Company.

Effect of New Financial Accounting Standards:

In May 2014, The FASB and International Accounting Standards Board (IASB) issued ASU No. 2014-09, Revenue from Contracts with Customers (Topic 606). The core principle of ASU 2014-09 is that a company should recognize revenue to depict the transfer of promised good or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods and services. For financial institutions, significant changes are not expected given that most financial instruments are not in the scope of the accounting standard update. ASU 2014-09 is effective for annual periods and interim periods within those annual periods beginning after December 15, 2016. In August 2015, FASB issued ASU 2015-14 deferring the effective date for annual periods and interim periods within those annual periods after December 15, 2017. Earlier application is permitted only as of annual reporting periods beginning after December 15, 2016, including interim reporting periods within that reporting period. The Company is currently reviewing the provisions of this standard to determine the application to financial institutions.

In February 2015, the FASB issued ASU No. 2015-02 (Topic 810), Consolidation. The ASU modifies the evaluation of whether limited partnerships and similar legal entities are variable interest entities (VIE) or voting interest entities (VOE). The standard relaxes existing criteria for determining when fees paid to a decision maker or service provider do not represent a variable interest by focusing on whether those fees are "at market". The ASU eliminates both the consolidation model specific to limited partnerships and the current presumption that a general partner controls a limited partnership. For public companies, ASU 2015-02 is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2015. The Company is currently reviewing the provisions of this standard to determine the impact on the Company's financial statements.

In April 2015, the FASB issued ASU No. 2015-03, Interest - Imputation of Interest (Subtopic 835-30), Simplifying the Presentation of Debt Issuance Costs. ASU 2015-03 requires that debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from the carrying amount of that debt liability, consistent with debt discounts. The recognition and measurement guidance for debt issuance costs are not affected by the amendments in this update. For public companies, ASU 2015-03 is effective for financial statements issued for fiscal years beginning after December 15, 2015, and interim periods within those fiscal years. Early adoption is permitted. The Company has determined that the adoption of ASU 2015-03 will not have a material impact on the Company's financial statements.

In April 2015, the FASB issued ASU No. 2015-05, Intangibles – Goodwill and Other Internal-Use Software (Subtopic 350-40), Customer's Accounting for Fees Paid in a Cloud Computing Arrangement. ASU 2015-05 provides guidance to customers about whether a cloud computing arrangement includes a software license. If it does, then the customer should account for the software license element of the arrangement consistent with the acquisition of other software licenses. If a cloud computing arrangement does not include a software license, the customer should account for the arrangement as a service contract. ASU 2015-05 is effective for annual periods and interim periods within those annual periods beginning after December 15, 2015. The adoption of ASU 2015-05 by the Company is not expected to have a material impact.

In January 2016, the FASB issued ASU No. 2016-01, Financial Instruments - Overall (Subtopic 825-10), Recognition and Measurement of Financial Assets and Financial Liabilities. ASU 2016-01 created Subtopic 321-10, Investments-Equity Securities which is applicable to all entities except those in industries that account for substantially all investments at fair value through earnings or the change in net assets. Under this new subtopic, equity securities are generally required to be measured at fair value with unrealized holding gains and losses reflected in net income. ASU 2016-01 is effective for annual periods and interim periods within those annual periods beginning after December 15, 2017. The adoption of ASU 2016-01 by the Company is not expected to have a material impact.