HBIA / Hills Bancorporation - SEC Dosyaları, Yıllık Rapor, Vekil Beyanı

EX-3.1 - AMENDMENT TO THE COMPANY'S RESTATED ARTICLES OF INCORPORATION

restatedarticlesofincorp

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 May 15, 2026 Date of Report (date of earliest event reported) HILLS BANCORPORATION

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 May 15, 2026 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Commiss

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 May 12, 2026 Date of Report (date of earliest event reported) HILLS BANCORPORATION

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 May 12, 2026 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Commiss

As Amended and Restated May 12, 2026 AMENDED AND RESTATED BYLAWS OF HILLS BANCORPORATION ARTICLE I. Offices Section 1. The principal office of the Corporation in the State of Iowa shall be located in the County of Johnson. The Corporation may have su

hillsbancorporationbylaw As Amended and Restated May 12, 2026 AMENDED AND RESTATED BYLAWS OF HILLS BANCORPORATION ARTICLE I.

Lisa Shileny President and Chief Executive Officer

hillspurchaseagreement Lisa Shileny President and Chief Executive Officer

FOR IMMEDIATE RELEASE Hills Bank Announces Purchase Within Former ACT Campus to Support Long-Term Operations and Continued Community Investment HILLS, Iowa – May 15, 2026 — Hills Bank and Trust Company announced today that it has entered into an agre

pressrelease FOR IMMEDIATE RELEASE Hills Bank Announces Purchase Within Former ACT Campus to Support Long-Term Operations and Continued Community Investment HILLS, Iowa – May 15, 2026 — Hills Bank and Trust Company announced today that it has entered into an agreement for the purchase of a portion of the former ACT campus in Iowa City, consisting of the ACT Ferguson and Davidsen Buildings.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 May 11, 2026 Date of Report (date of earliest event reported) HILLS BANCORPORATION

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 May 11, 2026 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Commiss

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended March 31, 2026 ☐ TRANSITION REPORT PURSUANT TO S

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended March 31, 2026 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0-12668 Hills Bancorporat

April 20, 2026 Dear Shareholders: On behalf of the Board of Directors of Hills Bancorporation and Hills Bank and Trust Company, I am pleased to share that Hills Bancorporation has approved a two-for-one (2-for-1) stock split of the Company's issued a

a2026-04x20xlettertoshar April 20, 2026 Dear Shareholders: On behalf of the Board of Directors of Hills Bancorporation and Hills Bank and Trust Company, I am pleased to share that Hills Bancorporation has approved a two-for-one (2-for-1) stock split of the Company's issued and outstanding shares of common stock, no par value.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 April 20, 2026 Date of Report (date of earliest event reported) HILLS BANCORPORATIO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 April 20, 2026 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Commi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 April 20, 2026 Date of Report (date of earliest event reported) HILLS BANCORPORATIO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 April 20, 2026 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Commi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 April 20, 2026 Date of Report (date of earliest event reported) HILLS BANCORPORATIO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 April 20, 2026 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Commi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 April 20, 2026 Date of Report (date of earliest event reported) HILLS BANCORPORATIO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 April 20, 2026 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Commi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 April 2, 2026 Date of Report (date of earliest event reported) HILLS BANCORPORATION

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 April 2, 2026 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Commis

ARS

2025 ANNUAL REPORT HILLS BANCORPORATION BANKING ON COMMUNITY. YESTERDAY | TODAY | TOMORROWMARION CEDAR RAPIDS MOUNT VERNON LISBON NORTH LIBERTY CORALVILLE IOWA CITY WILLIAMSBURG HILLS KALONA WASHINGTON WELLMAN Hills Bank proudly serves Eastern Iowa with 19 locations in 12 communities.2025 Annu Al Repo RtContents Letter from the President . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HILLS BANCORPORATION SUBSIDIARY OF THE REGISTRANT Name Of Subsidiary State Of Incorporation Hills Bank and Trust Company Iowa

Exhibit 21 HILLS BANCORPORATION SUBSIDIARY OF THE REGISTRANT Name Of Subsidiary State Of Incorporation Hills Bank and Trust Company Iowa

DESCRIPTION OF REGISTERED SECURITIES

EXHIBIT 4.1 DESCRIPTION OF REGISTERED SECURITIES Common Stock Hills Bancorporation (the “Registrant”) is a corporation organized under the laws of the State of Iowa and a bank holding company registered under the Bank Holding Company Act of 1956, as amended. The Registrant’s common shares are registered with the Securities and Exchange Commission under Section 12(g) of the Securities Exchange Act

HILLS BANCORPORATION NOTICE OF ANNUAL MEETING OF SHAREHOLDERS April 20, 2026

HILLS BANCORPORATION NOTICE OF ANNUAL MEETING OF SHAREHOLDERS April 20, 2026 The Annual Meeting of the Shareholders of Hills Bancorporation, an Iowa corporation (the “Company”), will be held at the Hills Community Center, 110 E.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from October 1, 2025 to December 31, 2025 Commission fil

SEC FILE NUMBER 000-12668 CUSIP NUMBER 0000732417 (Check one): ☒ Form 10-K ☐ Form 20-F ☐ Form 11-K ☐ Form 10-Q ☐ Form 10-D ☐ Form N-CEN ☐ Form N-CSR For Period Ended: December 31, 2025 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F

ntxhillsbancorporation12 SEC FILE NUMBER 000-12668 CUSIP NUMBER 0000732417 (Check one): ☒ Form 10-K ☐ Form 20-F ☐ Form 11-K ☐ Form 10-Q ☐ Form 10-D ☐ Form N-CEN ☐ Form N-CSR For Period Ended: December 31, 2025 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition Report on Form 10-Q For the Transition Period Ended: Read Instruction (on back page) Before Preparing Form.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 January 5, 2026 Date of Report (date of earliest event reported) HILLS BANCORPORATI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 January 5, 2026 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Comm

Securities and Exchange Commission 100 F Street, NE Washington, D.C. 20549 Ladies and Gentlemen: We have read Item 4.01 of Form 8-K dated January 9, 2026, of Hills Bancorporation and are in agreement with the statements contained therein with respect

final-item401form8xk Securities and Exchange Commission 100 F Street, NE Washington, D.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q/A (Amendment No. 1) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended September 30, 2025 ☐ TRANSIT

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q/A (Amendment No. 1) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended September 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0

SEC FILE NUMBER 000-12668 CUSIP NUMBER 0000732417 (Check one): ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form 10-D ☐ Form N-CEN ☐ Form N-CSR For Period Ended: September 30, 2025 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-

nt10-qform12bx25 SEC FILE NUMBER 000-12668 CUSIP NUMBER 0000732417 (Check one): ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form 10-D ☐ Form N-CEN ☐ Form N-CSR For Period Ended: September 30, 2025 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition Report on Form 10-Q For the Transition Period Ended: Read Instruction (on back page) Before Preparing Form.

SECTION 906 CERTIFICATION BY LISA A. SHILENY

EXHIBIT 32 SECTION 906 CERTIFICATION BY LISA A. SHILENY In connection with the quarterly report of Hills Bancorporation (the “Company”) on Form 10-Q for the quarter ended September 30, 2025 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Lisa A. Shileny, Director, President and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. §1350,

CERTIFICATIONS

Exhibit 31 CERTIFICATIONS I, Lisa A. Shileny, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Hills Bancorporation; 2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended September 30, 2025 ☐ TRANSITION REPORT PURSUANT

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended September 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0-12668 Hills Bancorp

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended June 30, 2025 ☐ TRANSITION REPORT PURSUANT TO SE

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended June 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0-12668 Hills Bancorporati

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended March 31, 2025 ☐ TRANSITION REPORT PURSUANT TO S

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended March 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0-12668 Hills Bancorporat

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 April 21, 2025 Date of Report (date of earliest event reported) HILLS BANCORPORATIO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 April 21, 2025 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Commi

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 April 21, 2025 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Commi

Exhibit 99.1 March 31, 2025 Quarterly Financial Report, unaudited

ARS

Hills Bank proudly serves the Eastern Iowa Corridor with 19 offices located in 12 communities.

HILLS BANCORPORATION NOTICE OF ANNUAL MEETING OF SHAREHOLDERS April 21, 2025

HILLS BANCORPORATION NOTICE OF ANNUAL MEETING OF SHAREHOLDERS April 21, 2025 The Annual Meeting of the Shareholders of Hills Bancorporation, an Iowa corporation (the “Company”), will be held at the Hills Community Center, 110 E.

Form of non-employee Director Stock Option Grant Agreement (Used for 2010 and 2020 Stock Option and Incentive Plan Awards).

EXHIBIT 10.3 HILLS BANCORPORATION 2020 STOCK OPTION AND INCENTIVE PLAN GRANT OF STOCK OPTION [Nonemployee Director Option Award] Date of Grant: , 20 THIS GRANT, dated as of the date of grant first stated above (the “Date of Grant”), is delivered by Hills Bancorporation, an Iowa corporation (“Hills”) to (the “Grantee”), who is a non-employee director of Hills or one of its subsidiaries. WHEREAS, on

Subsidiary of the Registrant is attached on Page 152.

Exhibit 21 HILLS BANCORPORATION SUBSIDIARY OF THE REGISTRANT Name Of Subsidiary State Of Incorporation Hills Bank and Trust Company Iowa Page 152

Form of Director Deferred Compensation Plan Agreement is attached on Page 131.

EXHIBIT 10.6 HILLS BANCORPORATION BOARD OF DIRECTOR DEFERRED COMPENSATION PLAN AGREEMENT THIS AGREEMENT, entered into this day of , 20, between Hills Bancorporation (“Company”) a Corporation organized under the laws of the State of Iowa and (“Director”). In consideration of the agreements hereinafter contained, the parties hereto agree as follows: 1.The Company agrees to provide to the Director a

Insider Trading Policies and Procedures is attached on Page 138.

EXHIBIT 19 HILLS BANCORPORATION INSIDER TRADING POLICY FOR DIRECTORS AND EXECUTIVE OFFICERS The following policy has been adopted by Hills Bancorporation’s Board of Directors regarding trading in Hills Bancorporation stock by directors and executive officers.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from October 1, 2024 to December 31, 2024 Commission fil

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 January 1, 2025 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Comm

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended September 30, 2024 ☐ TRANSITION REPORT PURSUANT

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0-12668 Hills Bancor

HILLS BANCORPORATION ANNOUNCES THE APPOINTMENT OF LISA SHILENY AS PRESIDENT AND CEO

PRESS RELEASE HILLS BANCORPORATION Hills, Iowa FOR IMMEDIATE RELEASE: October 9, 2024 Contact: Jill De Young Phone: 319-679-5018 HILLS BANCORPORATION ANNOUNCES THE APPOINTMENT OF LISA SHILENY AS PRESIDENT AND CEO On October 8, 2024, the Board of Directors of Hills Bancorporation (the “Company”) and of Hills Bank and Trust Company (the “Bank”), appointed Lisa Shileny as President and CEO of Hills Bancorporation and Hills Bank and Trust Company, to be effective January 1, 2025.

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 October 8, 2024 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Comm

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended June 30, 2024 ☐ TRANSITION REPORT PURSUANT TO SE

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0-12668 Hills Bancorporat

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended March 31, 2024 ☐ TRANSITION REPORT PURSUANT TO S

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended March 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0-12668 Hills Bancorporat

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 April 15, 2024 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Commi

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 April 15, 2024 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Commi

Exhibit 99.1 March 31, 2024 Quarterly Financial Report, unaudited

HILLS BANCORPORATION NOTICE OF ANNUAL MEETING OF SHAREHOLDERS April 15, 2024

HILLS BANCORPORATION NOTICE OF ANNUAL MEETING OF SHAREHOLDERS April 15, 2024 The Annual Meeting of the Shareholders of Hills Bancorporation, an Iowa corporation (the “Company”), will be held at the Hills Community Center, 110 E.

Restated Articles of Incorporation on Page 126.

EXHIBIT 3.1 RESTATED ARTICLES OF INCORPORATION OF HILLS BANCORPORATION (Amended October 10, 2023) TO THE SECRETARY OF STATE OF THE STATE OF IOWA: Pursuant to the provisions of §1007 of Iowa Business Corporation Act, Chapter 490, Code of Iowa, the undersigned corporation adopts the following Restated Articles of Incorporation: ARTICLE I The name of the corporation is HILLS BANCORPORATION. ARTICLE I

Amended and Restated ByLaws on Page 134.

EXHIBIT 3.2 AMENDED AND RESTATED BYLAWS OF HILLS BANCORPORATION ARTICLE I. Offices Section 1. The principal office of the Corporation in the State of Iowa shall be located in the County of Johnson. The Corporation may have such other offices, either within or without the State of Iowa, as the Board of Directors may designate or as the business of the Corporation may require from time to time. Sect

Subsidiary of the Registrant is attached on Page 1

Exhibit 21 HILLS BANCORPORATION SUBSIDIARY OF THE REGISTRANT Name Of Subsidiary State Of Incorporation Hills Bank and Trust Company Iowa Page 144

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from October 1, 2023 to December 31, 2023 Commission fil

HBIA / Hills Bancorporation / HILLS BANCORPORATION - SC 13G/A Passive Investment

SC 13G/A 1 schedule13ga2023.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A (Amendment No. 12) Under the Securities Exchange Act of 1934 Hills Bancorporation (Name of Issuer) Common Stock, $0 par value per share (Title of Class of Securities) 431643105 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended September 30, 2023 ☐ TRANSITION REPORT PURSUANT

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0-12668 Hills Bancor

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 August 7, 2023 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Commi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended June 30, 2023 ☐ TRANSITION REPORT PURSUANT TO SE

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0-12668 Hills Bancorporati

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, For Use of

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended March 31, 2023 ☐ TRANSITION REPORT PURSUANT TO S

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended March 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0-12668 Hills Bancorporat

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 April 17, 2023 Date of Report (date of earliest event reported) HILLS BANCORPORATIO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 April 17, 2023 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Commi

Exhibit 99.1 March 31, 2023 Quarterly Financial Report, unaudited

EX-99.1 2 quarterlyshareholderreport.htm EX-99.1

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 April 17, 2023 Date of Report (date of earliest event reported) HILLS BANCORPORATIO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 April 17, 2023 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Commi

HBIA / Hills Bancorporation / HILLS BANCORPORATION - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A (Amendment No. 11) Under the Securities Exchange Act of 1934 Hills Bancorporation (Name of Issuer) Common Stock, $0 par value per share (Title of Class of Securities) 431643105 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule

ARS

HILLS BANCORPORATION 2022 ANNUAL REPORT2022 Annu Al Repo RtContents Letter from the President .

HILLS BANCORPORATION NOTICE OF ANNUAL MEETING OF SHAREHOLDERS April 17, 2023

HILLS BANCORPORATION NOTICE OF ANNUAL MEETING OF SHAREHOLDERS April 17, 2023 The Annual Meeting of the Shareholders of Hills Bancorporation, an Iowa corporation (the “Company”), will be held at the Hills Community Center, 110 E.

Subsidiary of the Registrant is attached on Page 12

Exhibit 21 HILLS BANCORPORATION SUBSIDIARY OF THE REGISTRANT Name Of Subsidiary State Of Incorporation Hills Bank and Trust Company Iowa Page 123

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from October 1, 2022 to December 31, 2022 Commission fil

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 November 28, 2022 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Co

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 November 8, 2022 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Com

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended September 30, 2022 ☐ TRANSITION REPORT PURSUANT

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0-12668 Hills Bancor

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 September 6, 2022 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Co

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended June 30, 2022 ☐ TRANSITION REPORT PURSUANT TO SE

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0-12668 Hills Bancorporat

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 July 13, 2022 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Commis

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 June 22, 2022 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Commis

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended March 31, 2022 ☐ TRANSITION REPORT PURSUANT TO S

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0-12668 Hills Bancorpora

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 April 18, 2022 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Commi

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 April 18, 2022 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Commi

Exhibit 99.1 March 31, 2022 Quarterly Financial Report, unaudited

HILLS BANCORPORATION NOTICE OF ANNUAL MEETING OF SHAREHOLDERS April 18, 2022

DEF 14A 1 def14a2021.htm DEF 14A HILLS BANCORPORATION NOTICE OF ANNUAL MEETING OF SHAREHOLDERS April 18, 2022 The Annual Meeting of the Shareholders of Hills Bancorporation, an Iowa corporation (the “Company”), will be held at the Hills Community Center, 110 E. Main Street, Hills, Iowa, on Monday, the 18th day of April, 2022, at 4:00 p.m., (Central Time), for the following purposes: 1.To elect fou

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from October 1, 2021 to December 31, 2021 Commission fil

Subsidiary of the Registrant is attached on Page 123.

Exhibit 21 HILLS BANCORPORATION SUBSIDIARY OF THE REGISTRANT Name Of Subsidiary State Of Incorporation Hills Bank and Trust Company Iowa Page 123

HBIA / Hills Bancorporation / HILLS BANCORPORATION - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A (Amendment No. 10) Under the Securities Exchange Act of 1934 Hills Bancorporation (Name of Issuer) Common Stock, $0 par value per share (Title of Class of Securities) 431643105 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 December 14, 2021 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Co

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended September 30, 2021 ☐ TRANSITION REPORT PURSUANT

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0-12668 Hills Bancor

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended June 30, 2021 ☐ TRANSITION REPORT PURSUANT TO SE

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0-12668 Hills Bancorporat

Employment Agreement between the Company and Joseph A. Schueller, dated March 29, 2021, filed as Exhibit 10.1 to the Company's Form 10-Q filed with the Commission on May 7, 2021.

Exhibit 10.1 EMPLOYMENT AGREEMENT This Employment Agreement ("Agreement"), effective as of March 29, 2021 (the ?Effective Date?), is by and between Hills Bank and Trust Company and Hills Bancorporation (collectively ?the Company"), and Joseph A. Schueller (hereinafter ?Employee "). RECITALS WHEREAS, the parties to this Agreement are desirous of entering into an employment agreement according to th

Restricted Stock Agreement between the Company and Joseph A. Schueller, dated March 29, 2021.

Exhibit 10.2 MEMORANDUM TO: FROM: DATE: Congratulations on being awarded shared of restricted stock of Hills Bancorporation as part of our incentive compensation program for key employees under our Stock Option and Incentive Plan. This Plan is used to reward you and other key employees for their performance. A complete copy of the Plan is available on the Bank?s Intranet. Amounts of the awards may

Quarterly Report - 10-Q

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0-12668 Hills Bancorpora

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 April 27, 2021 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Commi

March 31, 2021 Quarterly Financial Report, unaudited

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 April 19, 2021 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Commi

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 March 26, 2021 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Commi

- DEF 14A

DEF 14A 1 def14a2020.htm DEF 14A HILLS BANCORPORATION NOTICE OF ANNUAL MEETING OF SHAREHOLDERS April 19, 2021 The Annual Meeting of the Shareholders of Hills Bancorporation, an Iowa corporation (the “Company”), will be held remotely via dial-in telephone conference on Monday, the 19th day of April, 2021, at 4:00 p.m., (Central Time). Your health and safety are of the utmost importance to us. Holdi

Subsidiary of the Registrant

Exhibit 21 HILLS BANCORPORATION SUBSIDIARY OF THE REGISTRANT Name Of Subsidiary State Of Incorporation Hills Bank and Trust Company Iowa Page 125

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from October 1, 2020 to December 31, 2020 Commission fil

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A (Amendment No. 9) Under the Securities Exchange Act of 1934 Hills Bancorporation (Name of Issuer) Common Stock, $0 par value per share (Title of Class of Securitie

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A (Amendment No. 9) Under the Securities Exchange Act of 1934 Hills Bancorporation (Name of Issuer) Common Stock, $0 par value per share (Title of Class of Securities) 431643105 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule

Quarterly Report - 10-Q

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0-12668 Hills Bancor

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 November 3, 2020 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Com

November 2, 2020 Dear Shareholder: We hope this letter finds you well during this difficult time of the pandemic. While COVID-19 has challenged us all, the disruption caused by this has allowed Hills Bancorporation an opportunity to consider how to b

lettertoshareholders November 2, 2020 Dear Shareholder: We hope this letter finds you well during this difficult time of the pandemic.

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 September 14, 2020 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (C

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 August 12, 2020 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Comm

Quarterly Report - 10-Q

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0-12668 Hills Bancorporat

Quarterly Report - 10-Q

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0-12668 Hills Bancorpora

2020 Stock Option and Incentive Plan, incorporated by reference to Exhibit 10.1 to the Company's Form 10-Q filed with the Commission on May 4, 2020.

Exhibit 10.1 HILLS BANCORPORATION 2020 STOCK OPTION AND INCENTIVE PLAN ARTICLE 1 General Purpose of Plan; Definitions 1.1 Purposes. The purpose of this Hills Bancorporation 2020 Stock Option and Incentive Plan (the “Plan”) is to advance the interests of the Company through providing select key Employees and Directors of the Company and its Affiliates with the opportunity to acquire Shares. By enco

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 April 20, 2020 Date of Report (date of earliest event reported) HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 0-12668 42-1208067 (State or other jurisdiction of incorporation or organization) (Commi

HBIA / Hills Bancorporation DEFA14A - - DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confide

HBIA / Hills Bancorporation DEF 14A - - DEF14A

DEF 14A 1 def14a2020.htm DEF14A HILLS BANCORPORATION NOTICE OF ANNUAL MEETING OF SHAREHOLDERS April 20, 2020 The Annual Meeting of the Shareholders of Hills Bancorporation, an Iowa corporation (the “Company”), will be held at the Hills Community Center, 110 E. Main Street, Hills, Iowa, on Monday, the 20th day of April, 2020, at 4:00 o’clock p.m., local time, for the following purposes: 1. To elect

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from October 1, 2019 to December 31, 2019 Commission fil

Description of Registered Securities, incorporated by reference to Exhibit 4.1 to the Company's Form 10-K filed with the Commission on March 6, 2020.

Exhibit 4.1 DESCRIPTION OF REGISTERED SECURITIES Common Stock Hills Bancorporation (the “Registrant”) is a corporation organized under the laws of the State of Iowa and a bank holding company registered under the Bank Holding Company Act of 1956, as amended. The Registrant’s common shares are registered with the Securities and Exchange Commission under Section 12(g) of the Securities Exchange Act

Subsidiary of the Registrant

EX-21 3 ex2112312019.htm EXHIBIT 21 Exhibit 21 HILLS BANCORPORATION SUBSIDIARY OF THE REGISTRANT Name Of Subsidiary State Of Incorporation Hills Bank and Trust Company Iowa Page 116

HBIA / Hills Bancorporation / Hills Bancorporation - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A (Amendment No. 8) Under the Securities Exchange Act of 1934 Hills Bancorporation (Name of Issuer) Common Stock, $0 par value per share (Title of Class of Securities) 431643105 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule

Frequently Asked Questions

FWP Shareholder Letter and DRIP/SPP FAQ Filed Pursuant to Rule 433 Registration Statement No.

Quarterly Report - 10-Q

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended September 30, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0-12668 Hills Bancorp

Quarterly Report - 10-Q

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended June 30, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0-12668 Hills Bancorporati

Quarterly Report - 10-Q

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2019 Commission file number: 0-12668 Hills Bancorporation Incorporated in Iowa I.R.S. Employer Identification No. 42-1208067 131 MAIN STREET, HILLS, IOWA 52235 Telephone number: (319)

Amended and Restated Bylaws of Hills Bancorporation, incorporated by reference to Exhibit 3.2 to the Company's Form 10-Q Filed with the Commission on May 6, 2019.

Exhibit 3.2 AMENDED AND RESTATED BYLAWS OF HILLS BANCORPORATION ARTICLE I. Offices Section 1. The principal office of the Corporation in the State of Iowa shall be located in the County of Johnson. The Corporation may have such other offices, either within or without the State of Iowa, as the Board of Directors may designate or as the business of the Corporation may require from time to time. Sect

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 15, 2019 HILLS BANCORPORATION (Exact name of Registrant as specified in its charter) Commission File Number 0-12668 Iowa 42-1208067 (State or Other Jurisdiction of Incorporation

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 form8kearningsrelease041519.htm 8-K EARNINGS RELEASE UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-k Current Report PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 15, 2019 HILLS BANCORPORATION (Exact name of Registrant as specified in its charter) Commission File Number 0-12668 Io

Exhibit 99.1 March 31, 2019 Quarterly Financial Report, unaudited.

Article III, Section 2.

EX-3.2 2 exhibit32.htm EXHIBIT 3.2 Exhibit 3.2 Article III, Section 2. The exact number of directors shall be determined from time to time by resolution adopted by a majority of the entire Board; provided, however, the exact number of directors shall be twelve (12) until otherwise determined by resolution adopted by a majority of the entire Board. In the event that the number of directors is incre

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-k Current Report PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 12, 2019 HILLS BANCORPORATION (Exact name of Registrant as specified in its charter) Commission File Number 0-12668 Iowa 42-1208067 (State or Other Jurisdiction of Incorporation

HBIA / Hills Bancorporation DEF 14A

HILLS BANCORPORATION NOTICE OF ANNUAL MEETING OF SHAREHOLDERS April 15, 2019 The Annual Meeting of the Shareholders of Hills Bancorporation, an Iowa corporation (the “Company”), will be held at the Hills Community Center, 110 E.

Form of Restricted Stock 5 Year Agreement under the Stock Option and Incentive Plan filed as Exhibit 10.4 in Form 10-K for the year ended December 31, 2018 is incorporated by reference.

Exhibit 10.4 MEMORANDUM FROM: Shari DeMaris DATE:       RE: Restricted Stock Awards The restricted stock award package that is being handed out includes an envelope with detailed instructions regarding the award, as well as the following items: 1. Two copies of the Hills Bancorporation Restricted Stock Agreement signed by Dwight Seegmiller which the participant should sign and date. One copy needs

Form of Restricted Stock 8 Year Agreement under the Stock Option and Incentive Plan filed as Exhibit 10.5 in Form 10-K for the year ended December 31, 2018 is incorporated by reference.

Exhibit 10.5 MEMORANDUM FROM: Shari DeMaris DATE: 01/15/19 RE: Restricted Stock Awards The restricted stock award package that is being handed out includes an envelope with detailed instructions regarding the award, as well as the following items: 1. Two copies of the Hills Bancorporation Restricted Stock Agreement signed by Dwight Seegmiller which the participant should sign and date. One copy ne

Form of Stock Option Grant Agreement under the Stock Option and Incentive Plan filed as Exhibit 10.3 in Form 10-K for the year ended December 31, 2018 is incorporated by reference.

Exhibit 10.3 HILLS BANCORPORATION 2010 STOCK OPTION AND INCENTIVE PLAN GRANT OF STOCK OPTION Date of Grant:       THIS GRANT, dated as of the date of grant first stated above (the “Date of Grant”), is delivered by Hills Bancorporation, an Iowa corporation (“Hills”) to       (the “Grantee”), who is an employee of Hills or one of its subsidiaries. WHEREAS, the Board of Directors of Hills (the “Board

HBIA / Hills Bancorporation 10-K (Annual Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018. Commission File Number 0-12668 HILLS BANCORPORATION (Exact name of Registrant as specified in its charter) Iowa 42-1208067 (State or Other Jurisdiction of Incorporation or Organization)

Subsidiary of the Registrant

EX-21 5 ex2112312018.htm EXHIBIT 21 Exhibit 21 HILLS BANCORPORATION SUBSIDIARY OF THE REGISTRANT Name Of Subsidiary State Of Incorporation Hills Bank and Trust Company Iowa Page 131

HBIA / Hills Bancorporation / Hills Bancorporation - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A (Amendment No. 7) Under the Securities Exchange Act of 1934 Hills Bancorporation (Name of Issuer) Common Stock, $0 par value per share (Title of Class of Securities) 431643105 (CUSIP Number) December 31, 2018 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule

Frequently Asked Questions

FWP Shareholder Letter and DRIP/SPP FAQ Filed Pursuant to Rule 433 Registration Statement No.

HBIA / Hills Bancorporation 10-Q (Quarterly Report)

10-Q 1 hbia201893010q.htm 10-Q Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2018 Commission file number: 0-12668 Hills Bancorporation Incorporated in Iowa I.R.S. Employer Identification No. 42-1208067 131 MAIN STREET, HILLS,

HBIA / Hills Bancorporation 10-Q (Quarterly Report)

10-Q 1 hbia201863010q.htm 10-Q Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2018 Commission file number: 0-12668 Hills Bancorporation Incorporated in Iowa I.R.S. Employer Identification No. 42-1208067 131 MAIN STREET, HILLS, IOWA

HBIA / Hills Bancorporation 10-Q (Quarterly Report)

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2018 Commission file number: 0-12668 Hills Bancorporation Incorporated in Iowa I.R.S. Employer Identification No. 42-1208067 131 MAIN STREET, HILLS, IOWA 52235 Telephone number: (319)

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 16, 2018 HILLS BANCORPORATION (Exact name of Registrant as specified in its charter) Commission File Number 0-12668 Iowa 42-1208067 (State or Other Jurisdiction of Incorporation

Exhibit 99.1 March 31, 2018 Quarterly Financial Report, unaudited.

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-k Current Report PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 16, 2018 HILLS BANCORPORATION (Exact name of Registrant as specified in its charter) Commission File Number 0-12668 Iowa 42-1208067 (State or Other Jurisdiction of Incorporation

HBIA / Hills Bancorporation DEF 14A

HILLS BANCORPORATION NOTICE OF ANNUAL MEETING OF SHAREHOLDERS April 16, 2018 The Annual Meeting of the Shareholders of Hills Bancorporation, an Iowa corporation (the “Company”), will be held at the Hills Community Center, 110 E.

HBIA / Hills Bancorporation 10-K (Annual Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2017. Commission File Number 0-12668 HILLS BANCORPORATION (Exact name of Registrant as specified in its charter) Iowa 42-1208067 (State or Other Jurisdiction of Incorporation or Organization)

Subsidiary of the Registrant

EX-21 2 ex21.htm EXHIBIT 21 Exhibit 21 HILLS BANCORPORATION SUBSIDIARY OF THE REGISTRANT Name Of Subsidiary State Of Incorporation Hills Bank and Trust Company Iowa Page 111

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-k Current Report PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 12, 2018 HILLS BANCORPORATION ( Exact name of Registrant as specified in its charter) Commission File Number 0-12668 Iowa 42-1208067 (State or Other Jurisdiction of Incorporat

HBIA / Hills Bancorporation / Hills Bancorporation - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A (Amendment No. 6) Under the Securities Exchange Act of 1934 Hills Bancorporation (Name of Issuer) Common Stock, $0 par value per share (Title of Class of Securities) 431643105 (CUSIP Number) December 31, 2017 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule

Frequently Asked Questions

Exhibit HILLS BANCORPORATION November 13, 2017 Dear Shareholder, Re: Hills Bancorporation Dividend Reinvestment and Stock Purchase Plan Hills Bancorporation (the ?Company?) is pleased to offer you the opportunity to participate in its Dividend Reinvestment and Stock Purchase Plan (the ?Plan?).

Financial Statements and Exhibits, Other Events

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-k Current Report PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 13, 2017 HILLS BANCORPORATION ( Exact name of Registrant as specified in its charter) Commission File Number 0-12668 Iowa 42-1208067 (State or Other Jurisdiction of

HBIA / Hills Bancorporation 10-Q (Quarterly Report)

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2017 Commission file number: 0-12668 Hills Bancorporation Incorporated in Iowa I.R.S. Employer Identification No. 42-1208067 131 MAIN STREET, HILLS, IOWA 52235 Telephone number: (

HBIA / Hills Bancorporation S-3D/A

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-3D/A (Amendment No. 1) REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 42-1208067 (State or other jurisdiction of (I.R.S. Employer Identification No.) incorporation or organization) 131 E. Main Street Hills, Iowa 52235 (319

Power of Attorney

Exhibit Exhibit 24.1 Directors? Power of Attorney Each person whose name is signed below has made, constituted and appointed, and by this instrument does make, constitute and appoint Dwight O. Seegmiller his or her true and lawful attorney with full power of substitution and resubstitution to affix for him or her and in his or her name, place and stead, as attorney-in-fact, his signature as direct

Plan Enrollment Form

Exhibit Exhibit 99.1 Plan Enrollment Form

HBIA / Hills Bancorporation 10-Q (Quarterly Report)

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2017 Commission file number: 0-12668 Hills Bancorporation Incorporated in Iowa I.R.S. Employer Identification No. 42-1208067 131 MAIN STREET, HILLS, IOWA 52235 Telephone number: (319)

Hills Ban 10-Q (Quarterly Report)

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2017 Commission file number: 0-12668 Hills Bancorporation Incorporated in Iowa I.R.S. Employer Identification No. 42-1208067 131 MAIN STREET, HILLS, IOWA 52235 Telephone number: (319)

Submission of Matters to a Vote of Security Holders

8-K 1 form8-kshareholdermeetingr.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 17, 2017 HILLS BANCORPORATION (Exact name of Registrant as specified in its charter) Commission File Number 0-12668 Iowa 42-1208067 (Sta

EX-99.1

Exhibit

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-k Current Report PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 17, 2017 HILLS BANCORPORATION ( Exact name of Registrant as specified in its charter) Commission File Number 0-12668 Iowa 42-1208067 (State or Other Jurisdiction of Inc

Hills Ban DEF 14A

DEF 14A 1 def14a2017.htm DEF 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Prel

Hills Ban 10-K (Annual Report)

Document Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

HILLS BANCORPORATION SUBSIDIARY OF THE REGISTRANT Name Of Subsidiary State Of Incorporation Hills Bank and Trust Company Iowa

Exhibit 21 HILLS BANCORPORATION SUBSIDIARY OF THE REGISTRANT Name Of Subsidiary State Of Incorporation Hills Bank and Trust Company Iowa Page 108

HBIA / Hills Bancorporation / Hills Bancorporation - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A (Amendment No. 5) Under the Securities Exchange Act of 1934 Hills Bancorporation (Name of Issuer) Common Stock, $0 par value per share (Title of Class of Securities) 431643105 (CUSIP Number) December 31, 2016 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule

Hills Ban S-3

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 HILLS BANCORPORATION (Exact name of registrant as specified in its charter) Iowa 42-1208067 (State or other jurisdiction of (I.R.S. Employer Identification No.) incorporation or organization) 131 E. Main Street Hills, Iowa 52235 (319) 679-5500 (800) 445-

EX-99.1

Exhibit

Exhibit 24.1 Directors’ Power of Attorney

Exhibit Exhibit 24.1 Directors? Power of Attorney Each person whose name is signed below has made, constituted and appointed, and by this instrument does make, constitute and appoint Dwight O. Seegmiller his or her true and lawful attorney with full power of substitution and resubstitution to affix for him or her and in his or her name, place and stead, as attorney-in-fact, his signature as direct

Hills Ban 10-Q (Quarterly Report)

Document Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2016 Commission file number: 0-12668 Hills Bancorporation Incorporated in Iowa I.R.S. Employer Identification No. 42-1208067 131 MAIN STREET, HILLS, IOWA 52235 Telephone

Other Events

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-k Current Report PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 11, 2016 HILLS BANCORPORATION ( Exact name of Registrant as specified in its charter) Commission File Number 0-12668 Iowa 42-1208067 (State or Other Jurisdiction of I

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-k Current Report PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 1, 2016 HILLS BANCORPORATION ( Exact name of Registrant as specified in its charter) Commission File Number 0-12668 Iowa 42-1208067 (State or Other Jurisdiction of In

Hills Ban 10-Q (Quarterly Report)

Document Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2016 Commission file number: 0-12668 Hills Bancorporation Incorporated in Iowa I.R.S. Employer Identification No. 42-1208067 131 MAIN STREET, HILLS, IOWA 52235 Telephone numbe

Hills Ban 10-Q (Quarterly Report)

10-Q Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2016 Commission file number: 0-12668 Hills Bancorporation Incorporated in Iowa I.R.S. Employer Identification No. 42-1208067 131 MAIN STREET, HILLS, IOWA 52235 Telephone number:

Submission of Matters to a Vote of Security Holders

8-K 1 form8-kresultsofshareholde.htm RESULTS OF ANNUAL MEETING UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 18, 2016 HILLS BANCORPORATION (Exact name of Registrant as specified in its charter) Commission File Number 0-1266

EX-99.1

Exhibit

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 earningsrelease041816.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-k Current Report PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 18, 2016 HILLS BANCORPORATION (Exact name of Registrant as specified in its charter) Commission File Number 0-12668 Iowa 42-1208067 (State or

Hills Ban DEF 14A

DEF 14A 1 def14a2016.htm DEF 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Prel

Hills Ban 10-K (Annual Report)

10-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

HILLS BANCORPORATION SUBSIDIARY OF THE REGISTRANT Name Of Subsidiary State Of Incorporation Hills Bank and Trust Company Iowa

Exhibit 21 HILLS BANCORPORATION SUBSIDIARY OF THE REGISTRANT Name Of Subsidiary State Of Incorporation Hills Bank and Trust Company Iowa Page 109

HBIA / Hills Bancorporation / HILLS BANK & TRUST CO - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A (Amendment No. 4) Under the Securities Exchange Act of 1934 Hills Bancorporation (Name of Issuer) Common Stock, $0 par value per share (Title of Class of Securities) 431643105 (CUSIP Number) December 31, 2015 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2015 Commission file number: 0-1266

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2015 Commission file number: 0-12668 Hills Bancorporation Incorporated in Iowa I.R.S. Employer Identification No. 42-1208067 131 MAIN STREET, HILLS, IOWA 52235 Telephone number: (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2015 Commission file number: 0-12668 Hil

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2015 Commission file number: 0-12668 Hills Bancorporation Incorporated in Iowa I.R.S. Employer Identification No. 42-1208067 131 MAIN STREET, HILLS, IOWA 52235 Telephone number: (319)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2015 Commission file number: 0-12668 Hi

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2015 Commission file number: 0-12668 Hills Bancorporation Incorporated in Iowa I.R.S. Employer Identification No. 42-1208067 131 MAIN STREET, HILLS, IOWA 52235 Telephone number: (319)

Restated Articles of Incorporation, incorporated by reference to Exhibit 3.1 to the Company's Form 10-Q Filed with the Commission on May 6, 2015.

RESTATED ARTICLES OF INCORPORATION OF HILLS BANCORPORATION (Amended April 8, 2015) ARTICLE I The name of the corporation is HILLS BANCORPORATION.

Submission of Matters to a Vote of Security Holders

Form 8-K Results of Shareholders Meeting 04.20.15 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-k Current Report PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 20, 2015 HILLS BANCORPORATION ( Exact name of Registrant as specified in its charter) Commission File Number 0-12668 Iowa 42-12

EX-99.1

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 form8-kearningsrelease0420.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-k Current Report PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 20, 2015 HILLS BANCORPORATION (Exact name of Registrant as specified in its charter) Commission File Number 0-12668 Iowa 42-1208067 (Sta

The following amendment (the “Amendment”) to the Articles of Incorporation of the Company was adopted by the Company’s Board of Directors on March 24, 2015:

Exhibit 3.1 Exhibit 3.1 The following amendment (the “Amendment”) to the Articles of Incorporation of the Company was adopted by the Company’s Board of Directors on March 24, 2015: The existing Section 1 of ARTICLE III shall be deleted in its entirety and shall be replaced by the following: Section 1 . The aggregate number of shares of stock which the corporation is authorized to issue is Twenty M

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits

8-K 1 form8-kamendmentofhbcartic.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-k Current Report PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 8, 2015 HILLS BANCORPORATION (Exact name of Registrant as specified in its charter) Commission File Number 0-12668 Iowa 42-1208067 (Stat

Hills Ban DEF 14A

DEF 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits

8-K 1 form8-k1.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-k Current Report PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 10, 2015 HILLS BANCORPORATION (Exact name of Registrant as specified in its charter) Commission File Number 0-12668 Iowa 42-1208067 (State or Other Jurisd

Section 3 - Nominations.

EX-3.2 2 exhibit32-01.htm EXHIBIT 3.2 Exhibit 3.2 Section 3 - Nominations. Only persons who are nominated in accordance with the procedures set forth in this Section 3 shall be eligible for election by shareholders as directors. Nominations of persons for election as directors of the Corporation may be made by or at the direction of the board of directors, or by any shareholder of the Corporation

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2014. Commission File Number 0-12668 HILLS BANCORPORATION (Exact name of Registrant as specified in its charter) Iowa 42-1208067 (State or Other Jurisdiction of Incorporation

HILLS BANCORPORATION SUBSIDIARY OF THE REGISTRANT Name Of Subsidiary State Of Incorporation Hills Bank and Trust Company Iowa

Exhibit 21 HILLS BANCORPORATION SUBSIDIARY OF THE REGISTRANT Name Of Subsidiary State Of Incorporation Hills Bank and Trust Company Iowa Page 129

AMENDED AND RESTATED BYLAWS HILLS BANCORPORATION ARTICLE I. Offices

AMENDED AND RESTATED BYLAWS OF HILLS BANCORPORATION ARTICLE I. Offices Section 1. The principal office of the Corporation in the State of Iowa shall be located in the County of Johnson. The Corporation may have such other offices, either within or without the State of Iowa, as the Board of Directors may designate or as the business of the Corporation may require from time to time. Section 2. The r

RESTATED ARTICLES OF INCORPORATION HILLS BANCORPORATION

RESTATED ARTICLES OF INCORPORATION OF HILLS BANCORPORATION TO THE SECRETARY OF STATE OF THE STATE OF IOWA: Pursuant to the provisions of §1007 of Iowa Business Corporation Act, Chapter 490, Code of Iowa, the undersigned corporation adopts the following Restated Articles of Incorporation: ARTICLE I The name of the corporation is HILLS BANCORPORATION.

HBIA / Hills Bancorporation / Hills Bancorporation - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A (Amendment No. 3) Under the Securities Exchange Act of 1934 Hills Bancorporation (Name of Issuer) Common Stock, $0 par value per share (Title of Class of Securities) 431643105 (CUSIP Number) December 31, 2014 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule

Material Impairments

8-K 1 form8-k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 25, 2014 HILLS BANCORPORATION (Exact name of Registrant as specified in its charter) Commission File Number 0-12668 Iowa 42-1208067 (State or Other Juri

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2014 Commission file number: 0-1266

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2014 Commission file number: 0-12668 Hills Bancorporation Incorporated in Iowa I.R.S. Employer Identification No. 42-1208067 131 MAIN STREET, HILLS, IOWA 52235 Telephone number: (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2014 Commission file number: 0-12668 Hil

Index UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2014 Commission file number: 0-12668 Hills Bancorporation Incorporated in Iowa I.R.S. Employer Identification No. 42-1208067 131 MAIN STREET, HILLS, IOWA 52235 Telephone number: (319)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2014 Commission file number: 0-12668 Hi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2014 Commission file number: 0-12668 Hills Bancorporation Incorporated in Iowa I.R.S. Employer Identification No. 42-1208067 131 MAIN STREET, HILLS, IOWA 52235 Telephone number: (319) 679-2

Submission of Matters to a Vote of Security Holders

8-K 1 form8k.htm HILLS BANCORPORATION 8-K 4-21-2014 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 21, 2014 HILLS BANCORPORATION (Exact name of Registrant as specified in its charter) Commission File Number 0-12668 Iowa 42-1

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 21, 2014 HILLS BANCORPORATION (Exact name of Registrant as specified in its charter) Commission File Number 0-12668 Iowa 42-1208067 (State or Other Jurisdiction of Incorporation

Exhibit 99.1

Exhibit 99.1

- HILLS BANCORPORATION DEF 14A 4-21-2014

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confide

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2013. Commission File Number 0-12668 HILLS BANCORPORATION (Exact name of Registrant as specified in its charter) Iowa 42-1208067 (State or Other Jurisdiction of Incorporation or Organization)

HILLS BANCORPORATION SUBSIDIARY OF THE REGISTRANT

EXHIBIT 21 HILLS BANCORPORATION SUBSIDIARY OF THE REGISTRANT Name Of Subsidiary State Of Incorporation Hills Bank and Trust Company Iowa

- HILLS BANCORPORATION PRE 14A 4-21-2014

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: x Preliminary Proxy Statement o Confide

HBIA / Hills Bancorporation / Hills Bancorporation - HILLS BANCORPORATION SC 13G A NO 2 12-31-2013 (HILLS BANCORPORATION) Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A (Amendment No. 2) Under the Securities Exchange Act of 1934 Hills Bancorporation (Name of Issuer) Common Stock, $0 par value per share (Title of Class of Securities) 431643105 (CUSIP Number) December 31, 2013 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2013 Commission file number: 0-1266

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2013 Commission file number: 0-12668 Hills Bancorporation Incorporated in Iowa I.R.S. Employer Identification No. 42-1208067 131 MAIN STREET, HILLS, IOWA 52235 Telephone number: (319) 6

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2013 Commission file number: 0-12668 Hil

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2013 Commission file number: 0-12668 Hills Bancorporation Incorporated in Iowa I.R.S. Employer Identification No. 42-1208067 131 MAIN STREET, HILLS, IOWA 52235 Telephone number: (319) 679-22

LETTER

August 5, 2013 Via E-mail Shari DeMaris Senior Vice President, Chief Financial Officer Hills Bancorporation 131 Main Street Hills, Iowa 52235 Re: Hills Bancorporation Form 10-K for the Year Ended December 31, 2012 Filed March 13, 2013 File No.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A (AMENDMENT NO. 1)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A (AMENDMENT NO. 1) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2012. Commission File Number 0-12668 HILLS BANCORPORATION (Exact name of Registrant as specified in its charter) Iowa 42-1208067 (State or Other Jurisdiction of Incorporati

-

July 18, 2013 Mark S. Webb Legal Branch Chief Division of Corporate Finance U.S. Securities and Exchange Commission 100 F Street, NE Washington, DC 20549 Re: Hills Bancorporation Form 10-K for the Year Ended December 31, 2012 Filed March 13, 2013 SEC File No. 000-12668 Dear Mr. Webb: We are in receipt of the letter from the Staff of the Securities Exchange Commission, dated July 8, 2013, regarding

LETTER

July 8, 2013 Via E-mail Shari DeMaris Senior Vice President, Chief Financial Officer Hills Bancorporation 131 Main Street Hills, Iowa 52235 Re: Hills Bancorporation Form 10-K for the Year Ended December 31, 2012 Filed March 13, 2013 File No.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2013 Commission file number: 0-12668 Hi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2013 Commission file number: 0-12668 Hills Bancorporation Incorporated in Iowa I.R.S. Employer Identification No. 42-1208067 131 MAIN STREET, HILLS, IOWA 52235 Telephone number: (319) 679-2

Submission of Matters to a Vote of Security Holders

8-K 1 form8k.htm HILLS BANCORPORATION 8-K 4-15-2013 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 15, 2013 HILLS BANCORPORATION (Exact name of Registrant as specified in its charter) Commission File Number 0-12668 Iowa 42-1

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition - HILLS BANCORPORATION 8-K 4-15-2013

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 15, 2013 HILLS BANCORPORATION (Exact name of Registrant as specified in its charter) Commission File Number 0-12668 Iowa 42-1208067 (State or Other Jurisdiction of Incorporation

Exhibit 99.1

Exhibit 99.1

- HILLS BANCORPORATION DEF 14A 4-15-2013

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confide

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2012. Commission File Number 0-12668 HILLS BANCORPORATION (Exact name of Registrant as specified in its charter) Iowa 42-1208067 (State or Other Jurisdiction of Incorporation or Organization)

HILLS BANCORPORATION SUBSIDIARY OF THE REGISTRANT Name Of Subsidiary State Of Incorporation Hills Bank and Trust Company Iowa

EXHIBIT 21 HILLS BANCORPORATION SUBSIDIARY OF THE REGISTRANT Name Of Subsidiary State Of Incorporation Hills Bank and Trust Company Iowa

HBIA / Hills Bancorporation / Hills Bancorporation - HILLS BANCORPORATION SC 13G 12-31-2012 Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 Hills Bancorporation (Name of Issuer) Common Stock, $0 par value per share (Title of Class of Securities) 431643105 (CUSIP Number) December 31, 2012 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which th

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2012 Commission file number: 0-1266

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2012 Commission file number: 0-12668 Hills Bancorporation Incorporated in Iowa I.R.S. Employer Identification No. 42-1208067 131 MAIN STREET, HILLS, IOWA 52235 Telephone number: (319) 6

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 1, 2012 HILLS BANCORPORATION (Exact name of Registrant as specified in its charter) Commission File Number 0-12668 Iowa 42-1208067 (State or Other Jurisdiction of Incorporati

Financial Statements and Exhibits, Changes in Registrant's Certifying Accountant - HILLS BANCORPORATION 8-K 8-15-2012

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 15, 2012 HILLS BANCORPORATION (Exact name of Registrant as specified in its charter) Commission File Number 0-12668 Iowa 42-1208067 (State or Other Jurisdiction of Incorporatio

EXHIBIT 16.1

EXHIBIT 16.1 August 15, 2012 Securities and Exchange Commission Washington, D.C. 20549 Ladies and Gentlemen: We were previously principal accountants for Hills Bancorporation and, under the date of March 9, 2012, we reported on the consolidated financial statements of Hills Bancorporation as of and for the years ended December 31, 2011 and 2010, and the effectiveness of internal control over finan

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2012 Commission file number: 0-12668 Hil

10-Q 1 form10q.htm HILLS BANCORPORATION 10-Q 6-30-2012 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2012 Commission file number: 0-12668 Hills Bancorporation Incorporated in Iowa I.R.S. Employer Identification No. 42-1208067 131 MAIN S

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers - HILLS BANCORPORATION 8-K 7-16-2012

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 16, 2012 HILLS BANCORPORATION (Exact name of Registrant as specified in its charter) Commission File Number 0-12668 Iowa 42-1208067 (State or Other Jurisdiction of Incorporation

POWER OF ATTORNEY DIRECTORS OF HILLS BANCORPORATION

EXHIBIT 24 POWER OF ATTORNEY DIRECTORS OF HILLS BANCORPORATION Know all men by these presents that each person whose name is signed below has made, constituted and appointed, and by this instrument does make, constitute and appoint Dwight O.

HILLS BANCORPORATION

EX-99 5 ex99.htm EXHIBIT 99 EXHIBIT 99 HILLS BANCORPORATION AMENDED AND RESTATED EMPLOYEE STOCK PURCHASE PLAN 1. Purposes The Hills Bancorporation Employee Stock Purchase Plan (the “Plan”) is intended to provide employees of Hills Bancorporation, an Iowa corporation, and its wholly-owned subsidiary, Hills Bank and Trust Company, with an opportunity to share in the ownership of the Corporation by p

- HILLS BANCORPORATION POS AM 6-29-2012

As filed with the Securities and Exchange Commission on June 29, 2012 Registration No.

2010 Stock Option and Incentive Plan filed on Form S-8 dated June 29, 2012 is incorporated by reference.

EXHIBIT 99 HILLS BANCORPORATION 2010 STOCK OPTION AND INCENTIVE PLAN 1. Purpose of the Plan. The purpose of this Hills Bancorporation 2010 Stock Option and Incentive Plan (the “Plan”) is to advance the interests of the Company through providing select key Employees and Directors of the Company and its Affiliates with the opportunity to acquire Shares. By encouraging such stock ownership, the Compa

- HILLS BANCORPORATION S-8 6-29-2012

S-8 1 forms8.htm HILLS BANCORPORATION S-8 6-29-2012 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 HILLS BANCORPORATION (Exact Name of Registrant as specified in its Charter) IOWA 42-1208067 (State of Incorporation) (IRS Employer Identification No.) 131 Main Street Hills, Iowa 52235 (Address of principal exec

- HILLS BANCORPORATION S-8 6-29-2012

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 HILLS BANCORPORATION (Exact Name of Registrant as specified in its Charter) IOWA 42-1208067 (State of Incorporation) (IRS Employer Identification No.) 131 Main Street Hills, Iowa 52235 (Address of principal executive offices, including zip code) HILLS BANCORPORAT

POWER OF ATTORNEY DIRECTORS OF HILLS BANCORPORATION

EX-24 4 ex24.htm EXHIBIT 24 EXHIBIT 24 POWER OF ATTORNEY DIRECTORS OF HILLS BANCORPORATION Know all men by these presents that each person whose name is signed below has made, constituted and appointed, and by this instrument does make, constitute and appoint Dwight O. Seegmiller his true and lawful attorney with full power of substitution and resubstitution to affix for him and in his name, place

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2012 Commission file number: 0-12668 Hi

10-Q 1 form10-q.htm HILLS BANCORPORATION 10-Q 3-31-12 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2012 Commission file number: 0-12668 Hills Bancorporation Incorporated in Iowa I.R.S. Employer Identification No. 42-1208067 131 MAIN S

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 16, 2012 HILLS BANCORPORATION (Exact name of Registrant as specified in its charter) Commission File Number 0-12668 Iowa 42-1208067 (State or Other Jurisdiction of Incorporation

EX-99.1

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 16, 2012 HILLS BANCORPORATION (Exact name of Registrant as specified in its charter) Commission File Number 0-12668 Iowa 42-1208067 (State or Other Jurisdiction of Incorporation

- DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confide

HILLS BANCORPORATION SUBSIDIARY OF THE REGISTRANT

EXHIBIT 21 HILLS BANCORPORATION SUBSIDIARY OF THE REGISTRANT Name Of Subsidiary State Of Incorporation Hills Bank and Trust Company Iowa Page 128

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K [X] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2011. Commission File Number 0-12668 HILLS BANCORPORATION (Exact name of Registrant as specified in its charter) Iowa 42-1208067 (State or Other Jurisdiction of Incorporation or Organization

Page 127

EX-11 2 ex11.htm EXHIBIT 11 EXHIBIT 11 HILLS BANCORPORATION Exhibit 11 STATEMENT RE COMPUTATION OF BASIC AND DILUTED EARNINGS PER SHARE Year Ended December 31, 2011 2010 2009 Shares of common stock, beginning 4,398,337 4,422,274 4,440,545 Shares of common stock, ending 4,759,818 4,398,337 4,422,274 Computation of weighted average number of basic and diluted shares: Common shares outstanding at the

HBIA / Hills Bancorporation / Hills Bancorporation - HILLS BANCORPORATION SCHEDULE 13G Passive Investment

SC 13G 1 schedule13g.htm HILLS BANCORPORATION SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 Hills Bancorporation (Name of Issuer) Common Stock, $0 par value per share (Title of Class of Securities) 431643105 (CUSIP Number) December 31, 2011 (Date of Event Which Requires Filing of this Statement) Check the

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) – November 15, 2011 HILLS BANCORPORATION (Exact name of Registrant as specified in its charter) Commission File Number 0-12668 Iowa 42-1208067 (State or Other Jurisdiction of Incorpora

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2011 Commission file number: 0-1266

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2011 Commission file number: 0-12668 Hills Bancorporation Incorporated in Iowa I.R.S. Employer Identification No. 42-1208067 131 MAIN STREET, HILLS, IOWA 52235 Telephone number: (319) 6

Hills Bancorporation Up to 476,190 Shares of Common Stock $63.00 per share

Prospectus Filed Pursuant to Rule 424(b)(3) Registration No. 333-174149 Hills Bancorporation Up to 476,190 Shares of Common Stock $63.00 per share We are offering up to 476,190 shares of our common stock, no par value, in this offering at the price of $63.00 per share. If you want to participate in the offering, you must submit your subscription documents to us before November 15, 2011 or later, i

August 18, 2011

August 18, 2011 SENT VIA ELECTRONIC MAIL United States Securities and Exchange Commission Division of Corporation Finance 100 F Street, NE Washington, D.

Transmittal Letter to Nonshareholders

EXHIBIT 99.1-B LETTER OF TRANSMITTAL FOR NONSHAREHOLDERS [HILLS BANCORPORATION] August , 2011 Dear : On behalf of Hills Bancorporation, I am pleased to notify you that we are offering you the opportunity to participate in our stock offering of up to 476,190 shares of our common stock. We are sending this letter to you because you previously have expressed an interest in acquiring shares of the Com

Fairness Opinion of Austin Associates, LLC

7205 W. Central Avenue Toledo, Ohio 43617 P 419.841.8521 www.austinassociates.com [Missi August 9, 2011 Personal & Confidential Board of Directors Hills Bancorporation 131 Main Street Hills, Iowa 52235 Members of the Board: You have requested our opinion as to the fairness, from a financial point of view, to Hills Bancorporation (“Company”) of the terms of the issuance of up to $30 million of comm

Stock Appraisal Report of Austin Associates, LLC

As filed with the Securities and Exchange Commission on August 11, 2011

As filed with the Securities and Exchange Commission on August 11, 2011 Registration No.

Transmittal Letter to Existing Shareholders

EXHIBIT 99.1-A LETTER OF TRANSMITTAL FOR EXISTING SHAREHOLDERS [HILLS BANCORPORATION] August , 2011 Dear : On behalf of Hills Bancorporation, I am pleased to notify you that we are offering you the opportunity to participate in our stock offering of up to 476,190 shares of our common stock. We are sending this letter to you as an existing shareholder of the Company as we believe you have benefited

HILLS BANCORPORATION

HILLS BANCORPORATION 131 Main Street Hills, IA 52235 August 11, 2011 Christian Windsor, Esq.

Subscription Agreement

EXHIBIT 99.2 SUBSCRIPTION AGREEMENT HILLS BANCORPORATION OFFERING OF SHARES OF COMMON STOCK SUBSCRIPTION AGREEMENT Expiration Date: November 15, 2011, unless extended at the sole discretion of Hills Bancorporation We are conducting an offering pursuant to which you may subscribe for shares of our common stock. The offering will end on November 15, 2011, subject to extension or earlier termination,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2011 Commission file number: 0-12668 Hil

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2011 Commission file number: 0-12668 Hills Bancorporation Incorporated in Iowa I.R.S. Employer Identification No. 42-1208067 131 MAIN STREET, HILLS, IOWA 52235 Telephone number: (319) 679-22

LETTER

July 27, 2011 Via Email James G. Pratt Treasurer, Secretary and Chief Financial Officer Hills Bancorporation 131 Main Street Hills, IA 52235 Re: Hills Bancorporation Amendment No. 1 to Registration Statement on Form S-3 Filed July 5, 2011 File No. 333-174149 Dear Mr. Pratt: We have limited our review of your registration statement to those issues we have addressed in our comments. In some of our c

Stock Appraisal Report of Austin Associates, LLC ***

EXHIBIT 99.3 STOCK APPRAISAL REPORT OF AUSTIN ASSOCIATES, LLC [TO BE PROVIDED]

Transmittal Letter

EXHIBIT 99.1 LETTER OF TRANSMITTAL [HILLS BANCORPORATION] , 2011 Dear : On behalf of Hills Bancorporation, I am pleased to notify you that we are offering you the opportunity to participate in our stock offering of up to 475,000 shares of our common stock. We are selling these shares to further capitalize our wholly-owned subsidiary, Hills Bank and Trust Company, to allow for periodic repurchases