# EDGAR Filing Document

**Accession Number:** 0001166928
**File Stem:** 0001166928-26-000017
**Filing Date:** 2026-3
**Character Count:** 30673
**Document Hash:** c7b8478bb4da4dcf48c7c650b79780a7
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001166928-26-000017.hdr.sgml**: 20260303

**ACCESSION NUMBER**: 0001166928-26-000017

**CONFORMED SUBMISSION TYPE**: ARS

**PUBLIC DOCUMENT COUNT**: 29

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260303

**DATE AS OF CHANGE**: 20260303

**EFFECTIVENESS DATE**: 20260303

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** WEST BANCORPORATION INC
- **CENTRAL INDEX KEY:** 0001166928
- **STANDARD INDUSTRIAL CLASSIFICATION:** STATE COMMERCIAL BANKS [6022]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 421230603
- **STATE OF INCORPORATION:** IA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** ARS
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-49677
- **FILM NUMBER:** 26711023

**BUSINESS ADDRESS:**
- **STREET 1:** 3330 WESTOWN PARKWAY
- **CITY:** WEST DES MOINES
- **STATE:** IA
- **ZIP:** 50266
- **BUSINESS PHONE:** 5152222309

**MAIL ADDRESS:**
- **STREET 1:** 3330 WESTOWN PARKWAY
- **CITY:** WEST DES MOINES
- **STATE:** IA
- **ZIP:** 50266

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THE ROAD TO GREAT 2025 Annual Report

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Dear Fellow Stockholders: On behalf of the Board of Directors and our entire team at West Bancorporation, Inc., thank you for your continued trust and investment in our company. As stockholders, you expect disciplined financial performance, thoughtful risk management, and a clear focus on long term value creation. During 2025, our leadership team remained committed to these objectives. As a result, we delivered solid financial results, preserved strong capital levels, maintained a strong liquidity position, and protected the long term strength of your investment. 2025 highlights included: • Strong earnings and continuous improvement in key performance metrics • Stable core deposit relationships supported by our commercial and retail customer base • Prudent loan origination activity, emphasizing credit quality and diversification • Continued pristine asset quality with no nonperforming assets as of December 31, 2025 • Capital ratios that exceeded regulatory well-capitalized requirements These outcomes reflect proactive balance sheet management, disciplined underwriting and a steadfast approach to risk mitigation. Credit quality remains central to our long term success. Throughout 2025, we maintained conservative underwriting standards and closely monitored our portfolio, particularly in areas sensitive to interest rate changes or economic slowdown. While this approach may moderate short-term growth during certain cycles, we believe it enhances long term stockholder value and downside protection. Our relationship based banking model continues to be a core strength. During 2025, we remained focused on serving our customers through local decision making and responsive service, while maintaining a disciplined approach to growth. We also continued our longstanding commitment to the communities we serve through charitable giving, employee volunteerism, and support of local economic development. As we begin 2026, we remain confident in our strategies and our ability to execute. Our priorities for the coming year include: • Maintaining strong credit discipline and balance sheet strength • Protecting and growing core deposits • Improving earnings consistency as interest rate conditions stabilize • Maintaining expense discipline while investing strategically in technology, product solutions, and talent, with a focus on risk management and operational efficiencies • Delivering sustainable, long-term value to stockholders I want to thank our employees for their dedication and professionalism, our customers for their trust and loyalty, and you, our stockholders, for your continued confidence in West Bancorporation, Inc. We appreciate your support and look forward to the year ahead. Sincerely, David D. Nelson CEO and President, West Bancorporation, Inc. Chair and CEO, West Bank 1W E S T B A N C O R P O R AT I O N I N C . A N D S U B S I D I A R I E S

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3W E S T B A N C O R P O R AT I O N I N C . A N D S U B S I D I A R I E S COMMUNITY INVOLVEMENT Building strong relationships and supporting West Bank communities is a driving force on our Road to Great: MORE THAN $550,000 IN TOTAL SUPPORT Over $322,000 awarded in foundation grants ≥ $226,638 in human services ≥ $77,425 in education ≥ $18,250 in arts & culture In 2025, West Bank Employees volunteered over 7,000 hours of community service West Bank's mission is to build strong relationships, build strong communities, and build upon our strong reputation to ensure our clients receive exceptional care, our communities receive outstanding support, and the loyalty of our employees and stockholders is rewarded. WE ARE PROUD OF OUR WEST BANK TEAM AND THEIR COMMITMENT TO OUR COMMUNITIES. " "

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THE ROAD TO GREAT MINNESOTA IOWA n Coralville n Des Moines n Waukee n West Des Moines n Mankato n Owatonna n Rochester n St. Cloud OUR VISION To achieve and sustain a position of industry envy and admiration.

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2 0 2 5 A N N U A L R E P O R T6 MANKATO LEFT TO RIGHT: Tom Lentz, Market President; Becky Wagner, Portfolio Manager; Erik Hagedorn, Commercial Banker; Julie Sabin, Principal Banker; Jeff Osborne, Commercial Banker OWATONNA LEFT TO RIGHT: Rylee Muhr, Commercial Banker; Amy Shornock, Principal Banker; Shannon Pederson, Portfolio Manager; Jason Eyberg, Market President; Kelly Grems, Principal Banker

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ROCHESTER BACK ROW: Deborah Anderson, Client Service Representative; Mike Zinser, Market President; Sawsan Elsafi, Principal Banker; Don Paulson, Commercial Banker FRONT ROW: Natalie Jones, Principal Banker; Michele Sursely, Portfolio Manager ST. CLOUD BACK ROW: Aaron Meester, Business Banking Officer; Todd Mather, Chief Credit Officer; Matt Laubach, Market President; Lisa Koster, Portfolio Manager; Curt Gainsforth, Business Banking Officer FRONT ROW: Jessica Riley, Principal Banker; Melissa Muehlbauer, Principal Banker; Elizabeth Statsick, Senior Credit Analyst All of West Bank is on THE ROAD TO GREAT

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CORALVILLE BACK ROW: Ryan Murphy, Commercial Banker; Tom Cilek, Commercial Banker; Jim Conard, Market President FRONT ROW: Kelly Schaer, Portfolio Manager; Brittney Grosvenor, Portfolio Manager; Minda Hamann, Commercial Banker Aaron Swartzendruber, Commercial Banker (not pictured) 2 0 2 5 A N N U A L R E P O R T8

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CITY CENTER - DES MOINES EAST - DES MOINES SOUTH - DES MOINES WAUKEE GRAND - WEST DES MOINES HEADQUARTERS

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Jon Hummel traveled to Washington D.C. with the Iowa Bankers Association rep- resenting West Bank. While there, he was able to meet with all six of Iowa's elected members of Congress. He also had the opportunity to have a one-on-one meeting with Senator Charles Grassley and encourage him to co-sponsor a bill to repeal Section 1071 of the CFPB. Jon with Congressman Zach Nunn Sara Gallagher earned the Certified Financial Marketing Professional (CFMP) designation from the American Bankers Association. Jon with Senator Charles Grassley Mason Reinard and Mitchell Yaw both graduated from the Iowa Bankers Association's 2025 Commercial Lending School. The week-long program included over 50 intense hours of classroom lecture, case studies, and problem loan exercises. Mason Reinard Mitchell Yaw JOHN SORENSEN JOINS WEST BANK BOARD OF DIRECTORS West Bank is pleased to announce that John Sorensen has joined the West Bancorporation, Inc. and West Bank Board of Directors. Sorensen recently retired as President and CEO of the Iowa Bankers Association (IBA), where he served from 1997 through January 2025. He joined the IBA in 1986, and under his leadership, the organization became the largest state banking association in the country––with a team of over 200 professionals serving more than 200 member banks. During his tenure, the IBA significantly expanded its advocacy efforts, workforce development initiatives, and community bank solutions in insurance, mortgage, and regulatory compliance. Sorensen has held leadership roles on the boards of the American Bankers Association, SHAZAM, Inc., the Iowa Business Council, the Iowa PBS Foundation, and many other community and economic development organizations. He is an executive advisory board member emeritus of the University of Northern Iowa's David W. Wilson College of Business and a recipient of the Iowa Association of Business and Industry's Leadership for Iowa Award. Sorensen was the 2025 recipient of the James A. Leach Leadership Award. WEST BANK IS COMMITTED TO PROFESSIONAL DEVELOPMENT WEST BANK WAS REPRESENTED IN WASHINGTON D.C.

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11W E S T B A N C O R P O R AT I O N I N C . A N D S U B S I D I A R I E S DAVEY AWARDS FOR STANDING STRONG Created to celebrate West Bank's history, the Standing Strong video & book both won awards. • The Standing Strong Book won a Gold Davey for best Promotional Item for Design & Print. • The Standing Strong Video won a Silver Davey for best Film/Video-Corporate Image for Non-Broadcast. The Davey Awards is a premier international creative award focused exclusively on honoring outstanding work from small agencies, independent creators, and in-house teams. Inspired by the story of David vs. Goliath, the awards recognize big ideas that come to life without big budgets. The Davey Awards is sanctioned and reviewed by the Academy of Interactive & Visual Arts (AIVA), an assembly of over 500 leading creatives at some of the world's most acclaimed brands, institutions, and agencies. MILESTONE ANNIVERSARIES DEBBIE INGRAO - 25 Years JOHN MCKINNEY - 25 Years SHERI WAUTERS - 25 Years KINSEY BODENSTEINER - 20 Years GREG DOCKUM - 20 Years GABE OLSON - 20 Years DZEVIDA VODENICAREVIC - 20 Years BEST OF THE WEST West Bank won "Best Bank" in the annual West Des Moines Chamber's Best of the West Awards, a recognition we have earned five of the past six years. Pictured are Gabe Olson (left) and Jon Hummel (right) at the ceremony. Congrats to Mankato Market President, TOM LENTZ, for his cover story in Minnesota Valley Business magazine. Scan the QR code to read the article.

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2 0 2 5 A N N U A L R E P O R T12

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LEADERSHIP 13W E S T B A N C O R P O R AT I O N I N C . A N D S U B S I D I A R I E S 2025 ANNUAL REPORT

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2 0 2 5 A N N U A L R E P O R T14 JAMES NOYCE\* Retired DAVID NELSON\* CEO and President, West Bancorporation; Chair and CEO, West Bank JANE FUNK\*\* EVP, Treasurer and Chief Financial Officer, West Bancorporation; EVP and Chief Financial Officer, West Bank BRAD WINTERBOTTOM\*\* EVP, West Bancorporation; President, West Bank HARLEE OLAFSON\*\* EVP & Chief Risk Officer, West Bancorporation; EVP, Chief Risk Officer & Chief Operating Officer, West Bank BRADLEY PETERS\*\* EVP, West Bancorporation; EVP and Minnesota Group President, West Bank DOUGLAS GULLING\* Retired LISA ELMING\* Retired STEVEN GAER\* Recoop Disaster Insurance SEAN MCMURRAY\* Chair, West Bancorporation; Businessolver, Inc. GEORGE MILLIGAN\* The Graham Group, Inc. ROSEMARY PARSON\* EquiTrust Life Insurance Company JOHN SORENSEN\* Retired THERESE VAUGHAN\* Retired BOARD OF DIRECTORS \* Director of West Bancorporation, Inc. and West Bank \*\* Director of West Bank

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15W E S T B A N C O R P O R AT I O N I N C . A N D S U B S I D I A R I E S TAYLOR BROWN Brown NationaLease RHONDA BURKHARDT The Underground Company, LTD JERRY DEEGAN Retired DARIN FERGUSON Ferguson Commercial Real Estate Services RYAN FLYNN, CPA Flynn + Sweeney, LLC KEVIN GRIMM Investor/Consultant GREG LAMAIR Assured Partners LLC BRIAN LOFFREDO Loffredo Fresh Produce DAVE MOENCH Wolfe Eye Clinic STEVE SCHWEIZER Denman & Company VICTORIA VEIOCK Bing's JEFF YURGAE Mueller-Yurgae Associates, Inc MATT ADAM Diamond Pet Food RODNEY ANDERSON Pancheros Mexican Grill JILL ARMSTRONG Skogman Realty ADAM BRANTMAN Brava Roof Tile KEVIN DIGMANN Hodge Construction ANDY HODGE Hodge Construction BEN KINSETH Kinseth Hospitality Company RAVI PATEL Hawkeye Hotels LUKE RECKER Styker Corporation CHUCK SKAUGSTAD The Mansion Town Square Developers LEIGHTON SMITH GreatAmerica Financial Services CENTRAL IOWA COMMUNITY BOARD All six of our community boards are non-voting advisory boards with knowledge of the communities we serve. EASTERN IOWA COMMUNITY BOARD

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2 0 2 5 A N N U A L R E P O R T16 BRYAN BODE Investor/Consultant MARK DRAPER River City Electric Company DR. WYNN KEARNEY Retired Surgeon/Investor STEVE KIBBLE Siesta Hills DAVID PFEFFER Vintage Fine Homes, Inc. RANDY WESTMAN Westman Investments ART WESTPHAL Bethany Lutheran College ANDREW WILLAERT Gislason & Hunter LLP DALE BUYTAERT CliftonLarsonAllen LLP MARK FREERKSEN Freerksen Trucking, Inc. CHAD HANSON Main Street Dental Clinics SCOTT MOHS Mohs Contracting/ Mohs Homes MIKE NOBLE Investor/Retired PAT NOBLE National Online Consignment and Rental DARREN ROEMHILDT Bridges Chiropractic Health Clinic BRANDON WAYNE Wayne–Norrid–Wetmore Wealth Management MANKATO COMMUNITY BOARD All six of our community boards are non-voting advisory boards with knowledge of the communities we serve. OWATONNA COMMUNITY BOARD TYLER WENNER Kato Manufacturing

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17W E S T B A N C O R P O R AT I O N I N C . A N D S U B S I D I A R I E S JASON BOYNTON, CPA Smith Schafer & Associates JEFF BROWN, JR. North Rock Real Estate MICHAEL BUSCH Paramark Corp. PATRICK DEUTSCH Pace International BOBBIE GOSTOUT, M.D. Vice President Emeritus, Mayo Clinic HAL HENDERSON HGA DICK KUEHN Kuehn Motors BRIAN LEARY Pharmaceutical Specialties, Inc. DAVID PEDERSON Dunlap & Seeger, P.A. PETER SCHULLER A.B. Systems, Inc. ED STANLEY Merit Building Enclosure Systems CHRIS TERRY CORE Real Estate Group NATALIE VICTORIA Victoria's Restaurant and The Tap House DAVID BERDAN J-Berd Companies BYRON BJORKLUND Custom Catering by Short Stop JEFF DROWN Lyon Contracting STEVE FENEIS GC Real Estate Partners JASON FERCHE Ferche Companies JOHN SLOAN BT Holdings DR. KEVIN SMITH Regional Diagnostic Radiology ERIC STACK Millerbernd Manufacturing TIM TORBORG Torborg Builders HEIDI WEIKERT S.T. Cotter Turbine Services GREG WINDFELDT PCI ROCHESTER COMMUNITY BOARD All six of our community boards are non-voting advisory boards with knowledge of the communities we serve. ST. CLOUD COMMUNITY BOARD

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FINANCIALS 2025 ANNUAL REPORT 2 0 2 5 A N N U A L R E P O R T18

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19W E S T B A N C O R P O R AT I O N I N C . A N D S U B S I D I A R I E S FINANCIAL HIGHLIGHTS AS OF AND FOR THE YEARS ENDED DECEMBER 31, 2025, 2024, AND 2023 (dollars in thousands, except per share data) 2025 2024 2023 RESULTS OF OPERATIONS Net interest income $88,981 $71,362 $69,031 Credit loss expense (benefit) — 1,000 700 Noninterest income 6,264 8,434 10,066 Noninterest expense 53,827 51,353 48,611 Income before income taxes 41,418 27,443 29,786 Net income 32,560 24,050 24,137 PER COMMON SHARE Cash dividends $1.00 $1.00 $1.00 Basic earnings 1.92 1.43 1.44 Diluted earnings 1.92 1.42 1.44 Closing stock price 22.19 21.65 21.20 Book value 15.70 13.54 13.46 YEAR-END BALANCES Assets $4,142,244 $4,014,991 $3,825,758 Investment securities 483,614 559,694 646,876 Loans 3,001,690 3,004,860 2,927,535 Nonperforming loans — 133 296 Other real estate owned — — — Deposits 3,468,470 3,357,596 2,973,779 Stockholders' equity 265,985 227,875 225,043 RATIOS Return on average assets 0.81% 0.61% 0.66% Return on average equity 13.47% 10.71% 11.42% Efficiency ratio (1) (2) 54.11% 63.25% 60.73% Dividend payout ratio 51.95% 69.88% 69.21% Dividend yield 4.51% 4.62% 4.72% Net interest margin (2) 2.35% 1.91% 2.01% Allowance for credit losses as a % of loans 1.02% 1.01% 0.97% Net (charge-offs) recoveries as % of average loans 0.00% 0.00% 0.00% Nonperforming loans as % of loans 0.00% 0.00% 0.01% Tangible common equity to tangible assets 6.42% 5.68% 5.88% (1) A lower ratio is better. (2) As presented, this is a non-GAAP measure – see "Non-GAAP Financial Measures" for additional details.

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2 0 2 5 A N N U A L R E P O R T20 CONSOLIDATED BALANCE SHEETS DECEMBER 31, 2025 AND 2024 (dollars in thousands, except per share data) 2025 2024 ASSETS Cash and due from banks $25,171 $28,750 Interest-earning deposits with banks 324,502 214,728 Securities purchased under agreements to resell 121,413 — Cash and cash equivalents 471,086 243,478 Securities available for sale, at fair value 468,447 544,565 Federal Home Loan Bank stock, at cost 15,167 15,129 Loans 3,001,690 3,004,860 Allowance for credit losses (30,525) (30,432) Loans, net 2,971,165 2,974,428 Premises and equipment, net 108,380 109,985 Accrued interest receivable 11,982 12,825 Bank-owned life insurance 46,192 44,990 Deferred tax assets, net 25,925 33,202 Other assets 23,900 36,389 TOTAL ASSETS $4,142,244 $4,014,991 LIABILITIES AND STOCKHOLDERS' EQUITY LIABILITIES Deposits Noninterest-bearing demand $540,358 $541,053 Interest-bearing demand 577,814 543,855 Savings and money market 1,839,508 1,643,891 Time 510,790 628,797 Total deposits 3,468,470 3,357,596 Subordinated notes, net 80,156 79,893 Federal Home Loan Bank advances 270,000 270,000 Long-term debt 26,250 42,736 Accrued expenses and other liabilities 31,383 36,891 Total liabilities 3,876,259 3,787,116 STOCKHOLDERS' EQUITY Preferred stock, $0.01 par value; authorized 50,000,000 shares; no shares issued and outstanding at December 31, 2025 and 2024 — — Common stock, no par value; authorized 50,000,000 shares; 16,940,785 and 16,832,632 shares issued and outstanding at December 31, 2025 and 2024, respectively 3,000 3,000 Additional paid-in capital 37,231 35,619 Retained earnings 294,259 278,613 Accumulated other comprehensive loss (68,505) (89,357) Total stockholders' equity 265,985 227,875 TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY $4,142,244 $4,014,991 DECEMBER 31,

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21W E S T B A N C O R P O R AT I O N I N C . A N D S U B S I D I A R I E S CONSOLIDATED STATEMENTS OF INCOME YEARS ENDED DECEMBER 31, 2025, 2024, AND 2023 (dollars in thousands, except per share data) 2025 2024 2023 INTEREST INCOME Loans, including fees $166,844 $166,222 $142,923 Securities: Taxable 10,471 13,030 13,696 Tax-exempt 2,901 3,219 3,517 Deposits with banks 9,359 7,595 169 Securities purchased under agreements to resell 2,650 — — TOTAL INTEREST INCOME 192,225 190,066 160,305 INTEREST EXPENSE Deposits 87,750 97,284 66,796 Federal funds purchased and other short-term borrowings — 4,248 9,532 Subordinated notes 4,425 4,431 4,442 Federal Home Loan Bank advances 9,102 10,313 7,694 Long-term debt 1,967 2,428 2,810 TOTAL INTEREST EXPENSE 103,244 118,704 91,274 NET INTEREST INCOME 88,981 71,362 69,031 CREDIT LOSS EXPENSE (BENEFIT) — 1,000 700 Net interest income after credit loss expense 88,981 70,362 68,331 NONINTEREST INCOME Service charges on deposit accounts 1,941 1,843 1,859 Debit card interchange income 1,894 1,919 1,980 Trust services 3,436 3,449 3,068 Increase in cash value of bank-owned life insurance 1,202 1,126 1,044 Gain from bank-owned life insurance — — 691 Loan swap fees — — 431 Realized securities losses, net (3,959) (1,172) (431) Other income 1,750 1,269 1,424 TOTAL NONINTEREST INCOME 6,264 8,434 10,066 NONINTEREST EXPENSE Salaries and employee benefits 29,383 27,588 27,060 Occupancy and equipment 8,170 7,320 5,507 Data processing 2,596 2,991 2,790 Technology and software 3,160 2,896 2,341 FDIC insurance 2,369 2,560 1,750 Professional fees 1,211 1,041 1,026 Other expenses 6,938 6,957 8,137 TOTAL NONINTEREST EXPENSE 53,827 51,353 48,611 INCOME BEFORE INCOME TAXES 41,418 27,443 29,786 INCOME TAXES 8,858 3,393 5,649 NET INCOME $32,560 $24,050 $24,137 EARNINGS PER COMMON SHARE Basic earnings per common share $1.92 $1.43 $1.44 Diluted earnings per common share $1.92 $1.42 $1.44 YEAR ENDED DECEMBER 31,

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2 0 2 5 A N N U A L R E P O R T22 REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM NON-GAAP FINANCIAL MEASURES AS OF AND FOR THE YEARS ENDED DECEMBER 31, 2025, 2024, AND 2023 (dollars in thousands, except per share data) 2025 2024 2023 RECONCILIATION OF NET INTEREST INCOME AND NET INTEREST MARGIN ON AN FTE BASIS TO GAAP: Net interest income (GAAP) $88,981 $71,362 $69,031 Tax-equivalent adjustment (1) 256 182 491 Net interest income on an FTE basis (non-GAAP) 89,237 71,544 69,522 Average interest-earning assets 3,800,582 3,747,528 3,465,964 Net interest margin on an FTE basis (non-GAAP) 2.35% 1.91% 2.01% RECONCILIATION OF EFFICIENCY RATIO ON AN FTE BASIS TO GAAP: Net interest income on an FTE basis (non-GAAP) $89,237 $71,544 $69,522 Noninterest income 6,264 8,434 10,066 Adjustment for realized securities losses, net 3,959 1,172 431 Adjustment for losses on disposal of premises and equipment, net 8 47 29 Adjusted income $99,468 $81,197 $80,048 Noninterest expense $53,827 $51,353 $48,611 Efficiency ratio on an adjusted FTE basis (non-GAAP) (2) 54.11% 63.25% 60.73% (1) Computed on a tax-equivalent basis using an incremental federal income tax rate of 21 percent, adjusted to reflect the effect of nondeductible interest expense associated with owning tax-exempt securities and loans. Management believes the presentation of this non-GAAP measure provides supplemental useful information for proper understanding of the financial results, as it enhances the comparability of income arising from taxable and nontaxable sources. (2) The efficiency ratio expresses noninterest expense as a percent of fully taxable equivalent net interest income and noninterest income, excluding specific noninterest income and expenses. Management believes the presentation of this non-GAAP measure provides supplemental useful information for proper understanding of the Company's financial performance. It is a standard measure of comparison within the banking industry. A lower ratio is more desirable. YEAR ENDED DECEMBER 31, To the Stockholders and the Board of Directors of West Bancorporation, Inc. We have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), the consolidated balance sheets of West Bancorporation, Inc. and its subsidiary, West Bank, as of December 31, 2025 and 2024, and the related consolidated statements of income, comprehensive income (not presented herein), stockholders' equity (not presented herein) and cash flows (not presented herein) for each of the three years in the period ended December 31, 2025; and in our report, dated February 25, 2026, we expressed an unqualified opinion on those consolidated financial statements. In our opinion, the information set forth in the accompanying condensed financial statements is fairly stated, in all material respects, in relation to the consolidated financial statements from which it has been derived. RSM US LLP Des Moines, Iowa \| February 25, 2026

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23W E S T B A N C O R P O R AT I O N I N C . A N D S U B S I D I A R I E S FORM 10-K STOCK INFORMATION West Bancorporation Inc. common stock is traded on the Nasdaq Global Select Market (WTBA), and quotations are furnished by the Nasdaq System. We had 126 common stockholders of record on December 31, 2025 and an estimated 6,900 additional beneficial holders whose stock was held in street name by brokerages or fiduciaries. A copy of the Company's annual report on Form 10-K filed with the Securities and Exchange Commission will be available on the Securities and Exchange Commission's website at www.sec.gov and through a link on the Company's website, westbankstrong.com, under Investor Relations—SEC Filings—Documents. A copy of the annual report on Form 10-K can also be obtained upon request to Melissa Gillespie, Corporate Secretary, mgillespie@westbankstrong.com, 515-222-2370. TRANSFER AGENT AND REGISTRAR Equiniti Trust Company, LLC 48 Wall Street, New York, New York 10005 800-937-5449 www.equiniti.com MARKET AND DIVIDEND INFORMATION (1) HIGH LOW CLOSE DIVIDENDS 2025 4th Quarter $24.27 $19.03 $22.19 $0.25 3rd Quarter 21.69 17.31 20.32 0.25 2nd Quarter 20.43 17.33 19.63 0.25 1st Quarter 23.06 19.71 19.94 0.25 TOTAL: $1.00 2024 4th Quarter $24.85 $18.02 $21.65 $0.25 3rd Quarter 22.13 16.36 19.01 0.25 2nd Quarter 18.20 15.80 17.90 0.25 1st Quarter 21.72 16.59 17.83 0.25 TOTAL: $1.00 (1) The prices shown are the high, low and closing sale prices for the Company's common stock. The market quotations, reported by Nasdaq, do not include retail markup, markdown or commissions.

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FORWARD-LOOKING STATEMENTS 2 0 2 5 A N N U A L R E P O R T24 Certain statements in this report, other than purely historical information, including estimates, projections, statements relating to the Company's business plans, objectives and expected operating results, and the assumptions upon which those statements are based, are "forward-looking statements" within the meanings of the Private Securities Litigation Reform Act of 1995, Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Forward- looking statements may appear throughout this report. These forward-looking statements are generally identified by the words "believes," "expects," "intends," "anticipates," "projects," "future," "confident," "may," "should," "will," "strategy," "plan," "opportunity," "will be," "will likely result," "will continue" or similar references, or references to estimates, predictions or future events. Such forward-looking statements are based upon certain underlying assumptions, risks and uncertainties. Because of the possibility that the underlying assumptions are incorrect or do not materialize as expected in the future, actual results could differ materially from these forward-looking statements. Risks and uncertainties that may affect future results include: interest rate risk, including the effects of changes in interest rates; fluctuations in the values of the securities held in our investment portfolio, including as a result of changes in interest rates; competitive pressures, including from non-bank competitors such as credit unions, "fintech" companies and digital asset service providers; technological changes implemented by us and other parties, including third-party vendors, which may be more difficult to implement or more expensive than anticipated or which may have unforeseen consequences to us and our customers, including the development and implementation of tools incorporating artificial intelligence; pricing pressures on loans and deposits; our ability to successfully manage liquidity risk; changes in credit and other risks posed by the Company's loan portfolio, including declines in commercial or residential real estate values or changes in the allowance for credit losses dictated by new market conditions, accounting standards or regulatory requirements; the concentration of large deposits from certain clients, including those who have balances above current FDIC insurance limits; the threat or imposition of domestic or foreign tariffs or other governmental policies impacting the global supply chain and the value of products produced by our commercial borrowers; changes in local, national and international economic conditions, including the level and impact of inflation, and future monetary policies of the Federal Reserve or executive orders in response thereto; the impact of bank failures or adverse developments at other banks and related negative publicity about the banking industry in general on investor and depositor sentiment regarding the stability and liquidity of banks; changes in legal and regulatory requirements, limitations and costs; changes in customers' acceptance of the Company's products and services; the occurrence of fraudulent activity, breaches or failures of our or our third-party partners' information security controls or cyber-security related incidents, including as a result of sophisticated attacks using artificial intelligence and similar tools; unexpected outcomes of existing or new litigation involving the Company; the monetary, trade, foreign and other regulatory policies of the U.S. government; military conflicts, acts of war or terrorism, or threats thereof, including the Israeli-Palestinian conflict, recent military activity in Venezuela and the Russian invasion of Ukraine, widespread disease or pandemics, or other adverse external events; risks related to climate change and the negative impact it may have on our customers and their businesses; changes to U.S. tax laws, regulations and guidance; potential changes in federal policy and at regulatory agencies under the Trump administration; new or revised accounting policies and practices, as may be adopted by state and federal regulatory agencies, the Financial Accounting Standards Board, the Securities and Exchange Commission or the Public Company Accounting Oversight Board; talent and labor shortages and employee turnover; and any other risks described in the "Risk Factors" sections of reports filed by the Company with the Securities and Exchange Commission. The Company undertakes no obligation to revise or update such forward-looking statements to reflect current or future events or circumstances after the date hereof or to reflect the occurrence of unanticipated events.

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LOCATIONS IOWA HEADQUARTERS 3330 Westown Parkway, West Des Moines CORALVILLE 401 10th Avenue, Coralville EAST 2440 East Euclid Avenue, Des Moines GRAND 125 Grand Avenue, West Des Moines SOUTH 3920 SW 9th Street, Des Moines WAUKEE 955 East Hickman Road, Waukee CITY CENTER 809 6th Avenue, Des Moines MINNESOTA MANKATO 1911 Premier Drive, Mankato OWATONNA 328 Hoffman Drive NW, Owatonna ROCHESTER 2188 Superior Drive NW, Rochester ST. CLOUD 1800 Bellin Drive, St. Cloud ONLINE WESTBANKSTRONG.COM @WESTBANKSTRONG

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