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): January 25, 2024

WEST BANCORPORATION, INC.

(Exact name of registrant as specified in its charter)

Iowa	0-49677	42-1230603
(State or other jurisdiction of incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)

1601 22nd Street, West Des Moines, Iowa 50266

(Address of principal executive offices) (Zip Code)

Registrant's telephone number, including area code: 515-222-2300

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

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

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common stock, no par value	WTBA	The Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934.

Emerging growth company o

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

Item 2.02 Results of Operations and Financial Condition.

On January 25, 2024, West Bancorporation, Inc. (the "Company") issued a press release announcing its fourth quarter earnings results for the period ended December 31, 2023, and the declaration of a quarterly dividend. A copy of the press release is attached hereto as Exhibit 99.1.

The information furnished in this item of this Form 8-K, and the related exhibit, shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or incorporated by reference in any filing under the Securities Act of 1933, as amended (the "Securities Act"), or the Exchange Act, except as may be expressly set forth by specific reference in such filing.

Item 7.01 Regulation FD Disclosure.

The Company hereby furnishes the Earnings Presentation attached hereto as Exhibit 99.2.

The information furnished in this item of this Form 8-K, and the related exhibit, shall not be deemed "filed" for purposes of Section 18 of the Exchange Act, or incorporated by reference in any filing under the Securities Act, or the Exchange Act, except as may be expressly set forth by specific reference in such filing.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits:

Exhibit Number	Description
99.1	Press Release of West Bancorporation, Inc. dated January 25, 2024
99.2	Fourth Quarter 2023 Earnings Presentation
104	Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

		West Bancorporation, Inc.
January 25, 2024	By:	/s/ Jane M. Funk
		Name: Jane M. Funk
		Title: Executive Vice President, Treasurer and Chief Financial Officer

EX-99.1

Exhibit 99.1

Press Release

January 25, 2024

FOR IMMEDIATE RELEASE

For more information contact:

Jane Funk, Executive Vice President, Treasurer and Chief Financial Officer (515) 222-5766

WEST BANCORPORATION, INC. ANNOUNCES FOURTH QUARTER AND YEAR END 2023 FINANCIAL RESULTS AND DECLARES QUARTERLY DIVIDEND

West Des Moines, IA - West Bancorporation, Inc. (Nasdaq: WTBA; the “Company”), parent company of West Bank, today reported 2023 net income of $24.1 million, or $1.44 per diluted common share, compared to 2022 net income of $46.4 million, or $2.76 per diluted common share. Net income for the fourth quarter 2023 was $4.5 million, or $0.27 per diluted common share, compared to third quarter 2023 net income of $5.9 million, or $0.35 per diluted common share, and fourth quarter 2022 net income of $8.9 million, or $0.53 per diluted common share. On January 24, 2024, the Company’s Board of Directors declared a regular quarterly dividend of $0.25 per common share. The dividend is payable on February 21, 2024, to stockholders of record on February 7, 2024.

David Nelson, President and Chief Executive Officer of the Company, commented, “Like the rest of our industry, our Company experienced some significant margin challenges in 2023. The interest rate environment, including dramatic increases in short-term rates, an ongoing inverted yield curve and aggressive deposit competition, had a significant impact on our cost of funds and net interest margin. We have a clear understanding of what is driving our challenges, along with a clear understanding of our path forward to more normalized margins.”

David Nelson added, “Despite the challenges of the interest rate environment, our credit quality remains pristine. We have no loans greater than 30 days past due and only one classified loan for $296 thousand at December 31, 2023. We continue to closely monitor and manage our credit quality as the economy and our customers respond to a higher interest rate environment.”

Fourth Quarter and Year Ended 2023 Financial Highlights

	Quarter Ended December 31, 2023		Year Ended December 31, 2023
Net income (in thousands)	$4,525		$24,137
Return on average equity	8.89	%	11.42	%
Return on average assets	0.48	%	0.66	%
Efficiency ratio (a non-GAAP measure)	64.66	%	60.73	%
Nonperforming assets to total assets	0.01	%	0.01	%

Fourth Quarter 2023 Compared to Third Quarter 2023 Overview

•Loans increased $77.8 million in the fourth quarter of 2023, or 10.9 percent annualized.

•A credit loss expense of $500 thousand was recorded in the fourth quarter of 2023, compared to a credit loss expense of $200 thousand in the third quarter of 2023. $300 thousand of the expense in the fourth quarter was allocated to the allowance for credit losses on loans, which was due to loan growth. The additional $200 thousand expensed in the fourth quarter was allocated to the allowance for unfunded commitments. The expense in the third quarter of 2023 was due to loan growth.

•The allowance for credit losses to total loans was 0.97 percent at December 31, 2023, compared to 0.99 percent at September 30, 2023. Nonaccrual loans at December 31, 2023 consisted of one loan with a balance of $296 thousand, compared to one loan with a balance of $303 thousand at September 30, 2023.

•Deposits increased $218.2 million, or 7.9 percent, in the fourth quarter of 2023. Brokered deposits totaled $305.4 million at December 31, 2023, compared to $237.0 million at September 30, 2023, an increase of $68.4 million. Excluding brokered deposits, deposits increased $149.8 million, or 6.0 percent, during the fourth quarter of 2023. As of December 31, 2023, estimated uninsured deposits, which excludes deposits in the IntraFi® reciprocal network, brokered deposits and public funds protected by state programs, were approximately 28.2 percent of total deposits.

•Borrowed funds decreased to $592.6 million at December 31, 2023, compared to $705.1 million at September 30, 2023. The decrease was primarily attributable to a decrease of $111.2 million in federal funds purchased and other short-term borrowings.

•The efficiency ratio (a non-GAAP measure) was 64.66 percent for the fourth quarter of 2023, compared to 60.83 percent for the third quarter of 2023. The increase in the efficiency ratio was primarily due to the decrease in noninterest income. This decrease was primarily attributable to $431 thousand in loan swap fees that were earned in the third quarter of 2023.

•Net interest margin, on a fully tax-equivalent basis (a non-GAAP measure), was 1.87 percent for the fourth quarter of 2023, compared to 1.91 percent for the third quarter of 2023. Net interest income for the fourth quarter of 2023 was $16.4 million, compared to $16.6 million for the third quarter of 2023. The rising cost of deposits has increased interest expense faster than the increase in interest income from loan repricing and loan originations.

•In December 2023, the Company sold approximately $11.3 million of securities from the available for sale securities portfolio and realized a net loss of $431 thousand. The proceeds from this sale were reinvested in the loan portfolio and have an estimated earn back period of approximately 1 year.

•The tangible common equity ratio was 5.88 percent at December 31, 2023, compared to 5.51 percent at September 30, 2023. The increase was attributable to the decrease in accumulated other comprehensive loss, which was primarily driven by the effect of decreasing long-term interest rates in the fourth quarter on the unrealized market value adjustment of our available for sale investment portfolio.

Fourth Quarter 2023 Compared to Fourth Quarter 2022 Overview

•Loans increased $184.7 million at December 31, 2023, or 6.7 percent, compared to December 31, 2022.

•Deposits increased $93.4 million at December 31, 2023, compared to December 31, 2022. Included in deposits were brokered deposits totaling $305.4 million at December 31, 2023, compared to $272.7 million at December 31, 2022. Excluding brokered deposits, deposits increased $60.7 million, or 2.3 percent, as of December 31, 2023 compared to December 31, 2022.

•Borrowed funds increased to $592.6 million at December 31, 2023, compared to $485.9 million at December 31, 2022. The increase included an increase of $160.0 million in FHLB one-month rolling advances hedged with long-term interest rate swaps, partially offset by a decrease of $49.7 million in federal funds purchased and other short-term borrowings.

•The efficiency ratio (a non-GAAP measure) was 64.66 percent for the fourth quarter of 2023, compared to 50.42 percent for the fourth quarter of 2022. The increase in the efficiency ratio in the fourth quarter of 2023 compared to the fourth quarter of 2022 was primarily due to the decrease in net interest income.

•Net interest margin, on a fully tax-equivalent basis (a non-GAAP measure), was 1.87 percent for the fourth quarter of 2023, compared to 2.49 percent for the fourth quarter of 2022. Net interest income for the fourth quarter of 2023 was $16.4 million, compared to $20.7 million for the fourth quarter of 2022. In 2023, the rising cost of deposits and borrowed funds and the change in mix of funding increased interest expense faster than the increase in interest income from loan repricing and loan originations.

Year Ended 2023 Compared to Year Ended 2022 Overview

•The credit loss expense recorded in 2023 was $700 thousand, compared to a credit loss benefit of $2.5 million in 2022. The credit loss expense recorded in 2023 was associated with growth in loans and unfunded commitments. The credit loss benefit recorded in 2022 was primarily due to the reversal of a specific reserve on an impaired loan and the reduction of certain qualitative factors resulting from the sustained performance of loans after the expiration of COVID-19 modifications and continued improvement in classified loans.

•Net interest income declined $22.7 million in 2023 compared to 2022. Net interest margin decreased to 2.01 percent in 2023, compared to 2.76 percent in 2022. The decline in both net interest income and net interest margin was primarily due to the rising cost of deposits and borrowed funds and the change in mix of funding, which increased interest expense faster than the increase in interest income from loan repricing and loan originations.

The Company plans to file its report on Form 10-K with the Securities and Exchange Commission on or before February 22, 2024. Please refer to that document for a more in-depth discussion of the Company’s financial results. The Form 10-K will be available on the Investor Relations section of West Bank’s website at www.westbankstrong.com.

The Company will discuss its results in a conference call scheduled for 2:00 p.m. Central Time on Thursday, January 25, 2024. The telephone number for the conference call is 888-300-4030. The conference ID for the conference call is 3218904. A recording of the call will be available until February 8, 2024, by dialing 800-770-2030.

About West Bancorporation, Inc. (Nasdaq: WTBA)

West Bancorporation, Inc. is headquartered in West Des Moines, Iowa. Serving customers since 1893, West Bank, a wholly-owned subsidiary of West Bancorporation, Inc., is a community bank that focuses on lending, deposit services, and trust services for small- to medium-sized businesses and consumers. West Bank has six offices in the Des Moines, Iowa metropolitan area, one office in Coralville, Iowa, and four offices in Minnesota in the cities of Rochester, Owatonna, Mankato and St. Cloud.

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 recent and potential additional rate increases by the Federal Reserve; 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 “fintech” companies and digital asset service providers; 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 who have balances above current FDIC insurance limits; changes in local, national and international economic conditions, including rising rates of inflation and possible recession; the effects of recent developments and events in the financial services industry, including the large-scale deposit withdrawals over a short period of time at Silicon Valley Bank, Signature Bank and First Republic Bank that resulted in the failure of those institutions; changes in legal and regulatory requirements, limitations and costs including in response to the recent failures of Silicon Valley Bank, Signature Bank and First Republic Bank; 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 and other regulatory policies of the U.S. government; acts of war or terrorism, including the Israeli-Palestinian conflict 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 as a result of the upcoming 2024 presidential election; talent and labor shortages; the new 1 percent excise tax on stock buybacks by publicly traded companies; 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.

WEST BANCORPORATION, INC. AND SUBSIDIARY
Financial Information (unaudited)
(in thousands)
	As of
CONDENSED BALANCE SHEETS	December 31, 2023		September 30, 2023		June 30, 2023		March 31, 2023		December 31, 2022
Assets
Cash and due from banks	$	33,245	$	18,819	$	29,776	$	21,579	$	24,896
Interest-bearing deposits	32,112		1,802		1,968		901		1,643
Securities available for sale, at fair value	623,919		609,365		645,091		665,358		664,115
Federal Home Loan Bank stock, at cost	22,957		26,691		22,488		22,226		19,336
Loans	2,927,535		2,849,777		2,807,075		2,756,185		2,742,836
Allowance for credit losses	(28,342)		(28,147)		(27,938)		(27,941)		(25,473)
Loans, net	2,899,193		2,821,630		2,779,137		2,728,244		2,717,363
Premises and equipment, net	86,399		75,675		66,683		59,565		53,124
Bank-owned life insurance	43,864		43,589		43,328		44,830		44,573
Other assets	84,069		104,329		90,084		82,240		88,168
Total assets	$	3,825,758	$	3,701,900	$	3,678,555	$	3,624,943	$	3,613,218
Liabilities and Stockholders’ Equity
Deposits	$	2,973,779	$	2,755,529	$	2,836,325	$	2,798,393	$	2,880,408
Federal funds purchased and other short-term borrowings	150,270		261,510		184,150		229,290		200,000
Other borrowings	442,367		443,552		409,736		350,921		285,855
Other liabilities	34,299		37,376		31,218		29,347		35,843
Stockholders’ equity	225,043		203,933		217,126		216,992		211,112
Total liabilities and stockholders’ equity	$	3,825,758	$	3,701,900	$	3,678,555	$	3,624,943	$	3,613,218
	For the Quarter Ended
AVERAGE BALANCES	December 31, 2023		September 30, 2023		June 30, 2023		March 31, 2023		December 31, 2022
Assets	$	3,706,497	$	3,679,541	$	3,645,651	$	3,617,458	$	3,511,717
Loans	2,857,594		2,813,213		2,783,463		2,745,381		2,649,671
Deposits	2,878,676		2,764,184		2,854,945		2,846,926		2,901,928
Stockholders’ equity	201,920		215,230		213,177		215,391		199,947

WEST BANCORPORATION, INC. AND SUBSIDIARY
Financial Information (unaudited)
(in thousands)
	As of
LOANS	December 31, 2023		September 30, 2023		June 30, 2023		March 31, 2023		December 31, 2022
Commercial	$	531,594	$	529,293	$	535,085	$	520,894	$	519,196
Real estate:
Construction, land and land development	413,477		399,253		351,461		336,739		363,014
1-4 family residential first mortgages	106,688		89,713		80,998		75,223		75,211
Home equity	14,618		12,429		12,625		9,726		10,322
Commercial	1,854,510		1,812,816		1,820,718		1,810,158		1,771,940
Consumer and other	10,930		10,123		10,289		7,381		7,292
	2,931,817		2,853,627		2,811,176		2,760,121		2,746,975
Net unamortized fees and costs	(4,282)		(3,850)		(4,101)		(3,936)		(4,139)
Total loans	$	2,927,535	$	2,849,777	$	2,807,075	$	2,756,185	$	2,742,836
Less allowance for credit losses	(28,342)		(28,147)		(27,938)		(27,941)		(25,473)
Net loans	$	2,899,193	$	2,821,630	$	2,779,137	$	2,728,244	$	2,717,363
CREDIT QUALITY
Pass	$	2,931,377	$	2,853,100	$	2,810,640	$	2,706,951	$	2,692,334
Watch	144		184		187		52,766		54,231
Substandard	296		343		349		404		410
Doubtful	—		—		—		—		—
Total loans	$	2,931,817	$	2,853,627	$	2,811,176	$	2,760,121	$	2,746,975
DEPOSITS
Noninterest-bearing demand	$	548,726	$	551,688	$	568,029	$	605,666	$	693,563
Interest-bearing demand	481,207		417,802		459,030		486,656		536,226
Savings and money market - non-brokered	1,315,741		1,249,309		1,302,468		1,202,756		1,125,202
Money market - brokered	124,335		99,282		114,142		92,524		112,752
Total nonmaturity deposits	2,470,009		2,318,081		2,443,669		2,387,602		2,467,743
Time - non-brokered	322,694		299,683		276,097		269,102		252,725
Time - brokered	181,076		137,765		116,559		141,689		159,940
Total time deposits	503,770		437,448		392,656		410,791		412,665
Total deposits	$	2,973,779	$	2,755,529	$	2,836,325	$	2,798,393	$	2,880,408
BORROWINGS
Federal funds purchased and other short-term borrowings	$	150,270	$	261,510	$	184,150	$	229,290	$	200,000
Subordinated notes, net	79,631		79,566		79,500		79,435		79,369
Federal Home Loan Bank advances	315,000		315,000		280,000		220,000		155,000
Long-term debt	47,736		48,986		50,236		51,486		51,486
Total borrowings	$	592,637	$	705,062	$	593,886	$	580,211	$	485,855
STOCKHOLDERS’ EQUITY
Preferred stock	$	—	$	—	$	—	$	—	$	—
Common stock	3,000		3,000		3,000		3,000		3,000
Additional paid-in capital	34,197		33,487		32,642		31,797		32,021
Retained earnings	271,369		271,025		269,301		267,620		267,562
Accumulated other comprehensive loss	(83,523)		(103,579)		(87,817)		(85,425)		(91,471)
Total Stockholders’ Equity	$	225,043	$	203,933	$	217,126	$	216,992	$	211,112

WEST BANCORPORATION, INC. AND SUBSIDIARY
Financial Information (unaudited)
(in thousands)
	For the Quarter Ended
CONSOLIDATED STATEMENTS OF INCOME	December 31, 2023		September 30, 2023		June 30, 2023		March 31, 2023		December 31, 2022
Interest income:
Loans, including fees	$	38,208	$	36,756	$	35,011	$	32,948	$	30,859
Securities:
Taxable	3,521		3,427		3,432		3,316		3,398
Tax-exempt	869		880		883		885		887
Interest-bearing deposits	85		29		25		30		24
Total interest income	42,683		41,092		39,351		37,179		35,168
Interest expense:
Deposits	20,024		17,156		16,277		13,339		11,043
Federal funds purchased and other short-term borrowings	2,024		3,165		2,264		2,079		952
Subordinated notes	1,114		1,113		1,109		1,106		1,119
Federal Home Loan Bank advances	2,482		2,329		1,621		1,262		755
Long-term debt	678		695		739		698		630
Total interest expense	26,322		24,458		22,010		18,484		14,499
Net interest income	16,361		16,634		17,341		18,695		20,669
Credit loss expense	500		200		—		—		—
Net interest income after credit loss expense	15,861		16,434		17,341		18,695		20,669
Noninterest income:
Service charges on deposit accounts	476		463		458		462		476
Debit card usage fees	488		495		511		486		492
Trust services	782		831		749		706		678
Increase in cash value of bank-owned life insurance	275		262		250		257		255
Gain from bank-owned life insurance	—		—		—		691		—
Loan swap fees	—		431		—		—		—
Realized securities losses, net	(431)		—		—		—		—
Other income	308		340		421		355		364
Total noninterest income	1,898		2,822		2,389		2,957		2,265
Noninterest expense:
Salaries and employee benefits	6,468		6,696		7,029		6,867		6,552
Occupancy and equipment	1,499		1,359		1,322		1,327		1,270
Data processing	723		703		729		635		673
Technology and software	676		573		579		513		518
FDIC insurance	475		439		420		416		243
Professional fees	235		254		287		250		205
Director fees	240		196		251		205		215
Other expenses	1,845		1,685		1,857		1,858		1,989
Total noninterest expense	12,161		11,905		12,474		12,071		11,665
Income before income taxes	5,598		7,351		7,256		9,581		11,269
Income taxes	1,073		1,445		1,394		1,737		2,323
Net income	$	4,525	$	5,906	$	5,862	$	7,844	$	8,946
Basic earnings per common share	$	0.27	$	0.35	$	0.35	$	0.47	$	0.54
Diluted earnings per common share	$	0.27	$	0.35	$	0.35	$	0.47	$	0.53

WEST BANCORPORATION, INC. AND SUBSIDIARY
Financial Information (unaudited)
(in thousands)
	For the Year Ended
CONSOLIDATED STATEMENTS OF INCOME	December 31, 2023		December 31, 2022
Interest income:
Loans, including fees	$	142,923	$	107,095
Securities:
Taxable	13,696		12,524
Tax-exempt	3,517		3,527
Interest-bearing deposits	169		203
Total interest income	160,305		123,349
Interest expense:
Deposits	66,796		22,629
Federal funds purchased and other short-term borrowings	9,532		1,764
Subordinated notes	4,442		2,867
Federal Home Loan Bank advances	7,694		2,669
Long-term debt	2,810		1,680
Total interest expense	91,274		31,609
Net interest income	69,031		91,740
Credit loss expense (benefit)	700		(2,500)
Net interest income after credit loss expense (benefit)	68,331		94,240
Noninterest income:
Service charges on deposit accounts	1,859		2,194
Debit card usage fees	1,980		1,969
Trust services	3,068		2,709
Increase in cash value of bank-owned life insurance	1,044		964
Loan swap fees	431		835
Realized securities losses, net	(431)		—
Gain from bank-owned life insurance	691		—
Other income	1,424		1,537
Total noninterest income	10,066		10,208
Noninterest expense:
Salaries and employee benefits	27,060		25,838
Occupancy and equipment	5,507		4,913
Data processing	2,790		2,597
Technology and software	2,341		2,137
FDIC insurance	1,750		996
Professional fees	1,026		874
Director fees	892		814
Other expenses	7,245		6,882
Total noninterest expense	48,611		45,051
Income before income taxes	29,786		59,397
Income taxes	5,649		12,998
Net income	$	24,137	$	46,399
Basic earnings per common share	$	1.44	$	2.79
Diluted earnings per common share	$	1.44	$	2.76

WEST BANCORPORATION, INC. AND SUBSIDIARY
Financial Information (unaudited)
	As of and for the Quarter Ended															For the Year Ended
COMMON SHARE DATA	December 31, 2023			September 30, 2023			June 30, 2023			March 31, 2023			December 31, 2022			December 31, 2023			December 31, 2022
Earnings per common share (basic)	$	0.27		$	0.35		$	0.35		$	0.47		$	0.54		$	1.44		$	2.79
Earnings per common share (diluted)	0.27			0.35			0.35			0.47			0.53			1.44			2.76
Dividends per common share	0.25			0.25			0.25			0.25			0.25			1.00			1.00
Book value per common share(1)	13.46			12.19			12.98			12.98			12.69
Closing stock price	21.20			16.31			18.41			18.27			25.55
Market price/book value(2)	157.50		%	133.80		%	141.83		%	140.76		%	201.34		%
Price earnings ratio(3)	19.79			11.75			13.11			9.56			11.93
Annualized dividend yield(4)	4.72		%	6.13		%	5.43		%	5.47		%	3.91		%
REGULATORY CAPITAL RATIOS
Consolidated:
Total risk-based capital ratio	11.88		%	11.96		%	12.15		%	12.17		%	12.08		%
Tier 1 risk-based capital ratio	9.30			9.37			9.51			9.51			9.55
Tier 1 leverage capital ratio	8.50			8.58			8.60			8.60			8.81
Common equity tier 1 ratio	8.74			8.80			8.92			8.92			8.96
West Bank:
Total risk-based capital ratio	12.76		%	12.89		%	13.13		%	13.16		%	13.08		%
Tier 1 risk-based capital ratio	11.89			12.01			12.24			12.26			12.33
Tier 1 leverage capital ratio	10.86			11.00			11.08			11.10			11.37
Common equity tier 1 ratio	11.89			12.01			12.24			12.26			12.33
KEY PERFORMANCE RATIOS AND OTHER METRICS
Return on average assets(5)	0.48		%	0.64		%	0.64		%	0.88		%	1.01		%	0.66		%	1.32		%
Return on average equity(6)	8.89			10.89			11.03			14.77			17.75			11.42			20.71
Net interest margin(7)(13)	1.87			1.91			2.02			2.23			2.49			2.01			2.76
Yield on interest-earning assets(8)(13)	4.87			4.70			4.57			4.41			4.21			4.64			3.70
Cost of interest-bearing liabilities	3.60			3.38			3.10			2.76			2.24			3.21			1.24
Efficiency ratio(9)(13)	64.66			60.83			62.83			55.34			50.42			60.73			43.70
Nonperforming assets to total assets(10)	0.01			0.01			0.01			0.01			0.01
ACL ratio(11)	0.97			0.99			1.00			1.01			0.93
Loans/total assets	76.52			76.98			76.31			76.03			75.91
Loans/total deposits	98.44			103.42			98.97			98.49			95.22
Tangible common equity ratio(12)	5.88			5.51			5.90			5.99			5.84

(1) Includes accumulated other comprehensive loss.

(2) Closing stock price divided by book value per common share.

(3) Closing stock price divided by annualized earnings per common share (basic).

(4) Annualized dividend divided by period end closing stock price.

(5) Annualized net income divided by average assets.

(6) Annualized net income divided by average stockholders’ equity.

(7) Annualized tax-equivalent net interest income divided by average interest-earning assets.

(8) Annualized tax-equivalent interest income on interest-earning assets divided by average interest-earning assets.

(9) Noninterest expense (excluding other real estate owned expense and write-down of premises) divided by noninterest income (excluding net securities gains/losses and gains/losses on disposition of premises and equipment) plus tax-equivalent net interest income.

(10) Total nonperforming assets divided by total assets.

(11) Allowance for credit losses divided by total loans.    

(12) Common equity less intangible assets (none held) divided by tangible assets.

(13) A non-GAAP measure.

NON-GAAP FINANCIAL MEASURES

This report contains references to financial measures that are not defined in GAAP. Such non-GAAP financial measures include the Company’s presentation of net interest income and net interest margin on a fully taxable equivalent (FTE) basis and the presentation of the efficiency ratio on an adjusted and FTE basis, excluding certain income and expenses. Management believes these non-GAAP financial measures provide useful information to both management and investors to analyze and evaluate the Company’s financial performance. These measures are considered standard measures of comparison within the banking industry. Additionally, management believes providing measures on a FTE basis enhances the comparability of income arising from taxable and nontaxable sources. Limitations associated with non-GAAP financial measures include the risks that persons might disagree as to the appropriateness of items included in these measures and that different companies might calculate these measures differently. These non-GAAP disclosures should not be considered an alternative to the Company’s GAAP results. The following table reconciles the non-GAAP financial measures of net interest income and net interest margin on a fully taxable equivalent basis and efficiency ratio on an adjusted and FTE basis.

(in thousands)	For the Quarter Ended															For the Year Ended
	December 31, 2023			September 30, 2023			June 30, 2023			March 31, 2023			December 31, 2022			December 31, 2023			December 31, 2022
Reconciliation of net interest income and net interest margin on a FTE basis to GAAP:
Net interest income (GAAP)	$	16,361		$	16,634		$	17,341		$	18,695		$	20,669		$	69,031		$	91,740
Tax-equivalent adjustment (1)	95			113			122			161			197			491			1,122
Net interest income on a FTE basis (non-GAAP)	16,456			16,747			17,463			18,856			20,866			69,522			92,862
Average interest-earning assets	3,487,799			3,478,053			3,461,313			3,435,988			3,328,941			3,465,964			3,361,091
Net interest margin on a FTE basis (non-GAAP)	1.87		%	1.91		%	2.02		%	2.23		%	2.49		%	2.01		%	2.76		%
Reconciliation of efficiency ratio on an adjusted and FTE basis to GAAP:
Net interest income on a FTE basis (non-GAAP)	$	16,456		$	16,747		$	17,463		$	18,856		$	20,866		$	69,522		$	92,862
Noninterest income	1,898			2,822			2,389			2,957			2,265			10,066			10,208
Adjustment for realized securities losses, net	431			—			—			—			—			431			—
Adjustment for losses on disposal of premises and equipment, net	24			3			2			—			2			29			29
Adjusted income	18,809			19,572			19,854			21,813			23,133			80,048			103,099
Noninterest expense	12,161			11,905			12,474			12,071			11,665			48,611			45,051
Efficiency ratio on an adjusted and FTE basis (non-GAAP) (2)	64.66		%	60.83		%	62.83		%	55.34		%	50.42		%	60.73		%	43.70		%

(1)    Computed on a tax-equivalent basis using a federal income tax rate of 21 percent, adjusted to reflect the effect of the 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.

EX-99.2

1 NASDAQ: WTBA Q4 2023 | Earnings Highlights

2 Certain statements in this presentation, 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 (the Exchange Act). Forward-looking statements may appear throughout this presentation. 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 recent and potential additional rate increases by the Federal Reserve; 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 “fintech” companies and digital asset service providers; 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 loan losses dictated by new market conditions, accounting standards or regulatory requirements; the concentration of large deposits from certain clients who have balances above current FDIC insurance limits; changes in local, national and international economic conditions, including rising rates of inflation and possible recession; the effects of recent developments and events in the financial services industry, including the large-scale deposit withdrawals over a short period of time at Silicon Valley Bank, Signature Bank and First Republic Bank that resulted in the failure of those institutions; changes in legal and regulatory requirements, limitations and costs including in response to the recent failures of Silicon Valley Bank, Signature Bank and First Republic Bank; 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 and other regulatory policies of the U.S. government; acts of war or terrorism, including the Israeli-Palestinian conflict 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 business; changes to U.S. tax laws, regulations and guidance; potential changes in federal policy and at regulatory agencies as a result of the upcoming 2024 presidential election; talent and labor shortages; the new 1 percent excise tax on stock buybacks by publicly traded companies; 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. Except as otherwise indicated, this presentation speaks as of the date hereof. The delivery of this presentation shall not, under any circumstances, create any implication that there has been no change in the affairs of West Bancorporation, Inc. after the date hereof. Certain of the information contained herein may be derived from information provided by industry sources. We believe that such information is accurate and that the sources from which it has been obtained are reliable. We cannot guarantee the accuracy of such information, however, and we have not independently verified such information. This presentation contains references to financial measures that are not defined in GAAP. Such non-GAAP financial measures include the Company’s presentation of net interest income and net interest margin on a fully taxable equivalent (FTE) basis and the presentation of the efficiency ratio on an adjusted and FTE basis, excluding certain income and expenses. Management believes these non-GAAP financial measures provide useful information to both management and investors to analyze and evaluate the Company’s financial performance. These measures are considered standard measures of comparison within the banking industry. Additionally, management believes providing measures on a FTE basis enhances the comparability of income arising from taxable and nontaxable sources. Limitations associated with non-GAAP financial measures include the risks that persons might disagree as to the appropriateness of items included in these measures and that different companies might calculate these measures differently. These non-GAAP disclosures should not be considered an alternative to the Company’s GAAP results. This presentation includes reconciliations of non-GAAP financial measures to comparable GAAP financial measures. Disclaimers

3 4Q 2023 Financial Highlights (1) Presented on a fully taxable equivalent basis; see Appendix for “Non-GAAP Financial Measures.” $26.26 NASDAQ: WTBA December 29, 2023* Closing Price: $21.20 4Q 2023 Price Range: $15.25 to $22.39 Cash Dividend Per Share Declared On January 24, 2024: $0.25 (payable on February 21, 2024) Annualized Dividend Yield: 4.72% *Last trading day of the year. Efficiency Ratio1 64.66% ROA 0.48% NPAs/Assets 0.01% ROE 8.89% NIM1 1.87% Diluted EPS $0.27 Net Income $4.5 million

4 • West Bancorporation, Inc. (the “Company”) is a publicly-traded, financial holding company (NASDAQ: WTBA) established in 1984 whose sole subsidiary is West Bank, founded in 1893. • West Bank is headquartered in West Des Moines, Iowa and has 11 branches and commercial banking offices serving the greater Des Moines, Iowa area; eastern Iowa, which includes Iowa City and Coralville, Iowa; and Southern Minnesota, which includes Rochester, Owatonna, Mankato, and St. Cloud, Minnesota. • Reliable, dividend paying community bank with $3.8 billion in assets focused on commercial banking. Our 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. Company Profile and Mission • One of the Company's key competitive advantages is its client-centric approach to delivering strategic financial solutions to businesses, driven by the establishment of deep customer relationships and extensive experience in its markets. • First and foremost a community bank, West Bank has built a strong reputation for being responsive to local needs. West Bank employees place a high priority on community involvement, lending their time and talents to a long list of civic and community projects. • West Bank strives to be best at all things that are most important to someone running their own business. Mission

5 Experienced Executive Leadership David D. Nelson Director/Chief Executive Officer/President Joined West Bank in 2010 Years in Banking: 40 Prior to joining the Company Mr. Nelson was the President of Southeast Minnesota Business Banking and President of Wells Fargo Bank Rochester in Rochester, Minnesota. Harlee N. Olafson Chief Risk Officer/Executive Vice President Joined West Bank in 2010 Years in Banking: 45 Prior to joining the Company Mr. Olafson was the President of Southwest Minnesota Business Banking and President of Wells Fargo Bank Mankato in Mankato, Minnesota. Bradley P. Peters Executive Vice President West Bank Minnesota Group President Joined West Bank in 2019 Years in Banking: 38 Prior to joining the Company Mr. Peters was the Executive Vice President of Bremer Bank in Minnesota where he was responsible for new market expansion. Jane M. Funk Chief Financial Officer Executive Vice President/Treasurer Joined West Bank in 2014 Years in Banking & Public Accounting: 33 Ms. Funk has extensive experience in the community banking industry and public accounting. Brad L. Winterbottom Executive Vice President West Bank President Joined West Bank in 1992 Years in Banking: 43 Mr. Winterbottom has extensive experience in commercial lending and loan portfolio administration and knowledge of the Iowa business community. Todd A. Mather West Bank Chief Credit Officer Joined West Bank in 2019 Years in Banking: 27 Prior to joining West Bank, Mr. Mather spent 8 years at Bremer Bank in Minnesota as a Senior Credit Director and Group Senior Credit Manager.

6 Conservative Organic Growth with Successful Lift-Out Strategies David Nelson joins West Bank as CEO. Entered the Rochester, Minnesota market by hiring experienced bankers who had existing strong relationships with local business owners and creating an advisory community board made up of local business owners and leaders. Constructed a bank office building in Rochester, Minnesota. Crossed $2 billion in total assets. Expanded into St. Cloud, Mankato, and Owatonna, Minnesota with the same lift- out strategy used in Rochester, Minnesota. Crossed $3 billion in total assets. Opened a newly constructed bank office building in St. Cloud, Minnesota. Began construction on new corporate headquarters in West Des Moines, Iowa. After being in the same leased space for fifty years, the new building is an opportunity to consolidate our corporate operations under one roof, and provide space for future growth and enhanced business development opportunities. Opened a newly constructed bank office building in Mankato, Minnesota and began construction on a bank office building in Owatonna, Minnesota. 2010 2013 2016 2018 2019 2020 2022 2022 2023

7 Company Highlights – Commitment to Excellence West Bancorporation is a high performing company in U.S. community banking, well-versed in providing commercial banking services, including loans and lines of credit and all types of deposit services, to small- and medium-sized businesses in its Iowa and Minnesota markets. Established • A 131 year presence in the Des Moines, Iowa metropolitan area and is West Des Moines' oldest business of any type. • Long track record of growth and stability coupled with attractive financial returns and dividend yield. • Simple and consistent business model with conservative operating philosophy and expense management. Industry Recognition • Ranked by S & P Global as the #17 top performing large community bank in America in 2022 among banks with assets between $3 billion and $10 billion. • Ranked by Raymond James as the #13 top performing community bank in America in 2022 among publicly traded banks with assets between $500 million and $10 billion. We have received this award for 9 out of the last 10 years. • Ranked by American Banker as the #18 top performing community bank in America in 2022 among banks with assets between $2 billion and $10 billion. Asset Quality • Proven credit culture with a history of strong asset quality. • Classified and watch list loan balance was 0.02% of the loan portfolio at December 31, 2023. • Nonperforming assets at December 31, 2023 totaled $296 thousand, or 0.01% of total assets.

8 Company Highlights – Commitment to Excellence West Bank is a commercially-focused financial institution operating in high quality markets in Iowa and Minnesota led by a deep and experienced management team with skills developed internally and with other large regional banking institutions. Credit Culture Strategy Community Service & Philanthropy Risk Management • Strict credit risk management with robust processes and experienced credit personnel. • 30 high quality commercial bankers with an average of 20 years of commercial banking experience. • Centralized committee structure that is agile and responsive to customer needs and an organizational structure that provides deep support of credit and administrative functions. • We are a local lender to local customers. We live where we lend. • Disciplined organic growth strategy with a track record of successful lift-out strategies. • Business model highlighted by focus on risk management and consistent execution. • Superior talent with business expertise in building relationships. • In 2023, our employees volunteered over 8,000 hours of community service. • In 2023, the West Bancorporation Foundation and West Bank provided over $730,000 in total philanthropic contributions to more than 225 organizations. • Commercial real estate stress testing is completed quarterly. • No exposure to cryptocurrency companies or assets. • No commercial real estate office exposure in major metropolitan downtown areas outside of Iowa.

9 $2,650 $2,745 $2,783 $2,813 $2,858 $2,850 $2,928 4Q22 1Q23 2Q23 3Q23 4Q23 3Q23 4Q23 Loans • Loans increased $77.8 million in Q4 2023. • Quarterly average loans increased $44.4 million compared to Q3 2023. • Commercial real estate loans are diversified among various sectors, including hotels, warehouses, medical, senior living, mixed use and office. • Commercial office lending makes up less than 7% of the total loan portfolio, with only 1.3% located in the Des Moines metropolitan downtown area. • Loan yields increased 12 bps in Q4 2023 compared to Q3 2023 as loan originations and renewals priced at higher prevailing market rates compared to current portfolio rates. • 32% of the loan portfolio consists of variable-rate loans. Quarterly Highlights C & I, 18% CRE - NOO, 37% CRE - OO, 11% Multi Family, 15% 1-4 Family, 4% C & D, 14% Consumer and other, 1% Loan Mix as of 12/31/23 4.63% 4.88% 5.05% 5.19% 5.31% Loans ($ in millions) Average Balances Period End Loan Yield %

10 Deposits • Total deposits increased $218.2 million in Q4 2023. • Brokered deposits increased $68.4 million in Q4 2023. • West Bank participates in the IntraFi® ICS and CDARS reciprocal deposit network which enables depositors to receive FDIC insurance coverage on deposits otherwise exceeding the maximum insurable amount. • Estimated uninsured deposits, excluding deposits in the IntraFi® reciprocal deposit network, brokered deposits and public funds protected by state programs, were approximately 28.2% of total deposits. • Deposit costs increased 33 bps in Q4 2023 compared to Q3 2023. • Deposit rates have continued to increase in response to sustained high short term market rates and pricing competition from other financial institutions and brokerage firms. Quarterly Highlights $2,902 $2,847 $2,855 $2,764 $2,879 $2,756 $2,974 4Q22 1Q23 2Q23 3Q23 4Q23 3Q23 4Q23 Average Balances Deposit Rate % Period End Deposits ($ in millions) 1.99% 2.46% 2.85% 3.10% 3.43% Brokered Deposits, 10% Noninterest- Bearing, 18% Interest-Bearing Demand, 16% Savings and Money Market, 45% Time Deposits, 11% Deposit Mix as of 12/31/23

11 Funding and Liquidity Cost of liability funding ($ in thousands) Cash and cash equivalents $ 65,357 Unpledged securities 254,740 FHLB borrowing availability 528,039 Unsecured lines of credit availability 35,000 Federal Reserve discount window availability 2,282 Federal Reserve Bank Term Funding Program availability 88,590 Total as of 12/31/2023 $ 974,008 $3,271 $3,367 $3,411 $3,443 $3,463 $705 $651 $564 $572 $561 $2,196 $2,195 $2,291 $2,192 $2,318 $370 $521 $556 $679 $584 Average Noninterest-Bearing Deposits Average Interest Bearing Deposits Average Borrowings 4Q22 1Q23 2Q23 3Q23 4Q23 2.24% 2.76% 3.10% 3.38% 3.60% Overall Funding Costs Rise Sources of Liquidity West Bank also maintains master brokered deposit agreements with brokerage firms and access to one-way buy options with the IntraFi® ICS and CDARS programs. ($ in thousands)

12 $3 $108 4Q22 1Q23 2Q23 3Q23 4Q23 Credit Quality $0.4 $0.4 $0.3 $0.3 $0.3 4Q22 1Q23 2Q23 3Q23 4Q23 $0.3 $0.3 $0.3 $0.3 $0.3 4Q22 1Q23 2Q23 3Q23 4Q23 $25.5 $25.5 $27.9 $28.1 $28.3 $2.4 4Q22 1Q23 2Q23 3Q23 4Q23 Net Charge-Offs (Recoveries) ($ in thousands) Substandard Loans ($ in millions) Nonaccrual Loans ($ in millions) Allowance for Credit Losses ($ in millions) 0.93% 1.01% 1.00% 0.99% 0.97% ACL/Loans % CECL Adoption Adjustment $(56) $(10) $(9)

13 Net Interest Income (1) Presented on a fully taxable equivalent basis; see Appendix for “Non-GAAP Financial Measures.” Net interest income decreased $0.2 million in Q4 2023 compared to Q3 2023 • Loan interest income increased $1.5 million. • Deposit interest expense increased $2.9 million. • Borrowed funds interest expense decreased $1.0 million. Net interest margin declined 4 bps in Q4 2023 • Increases in deposit rates continued to outpace the repricing opportunities in the loan and investment portfolios. • Fixed rate nature of loan portfolio results in lagging repricing compared to deposits. • Large deposit average balance client base is more sensitive to rising interest rates. • Estimated investment portfolio cash flows for the next 12 months are $55.2 million with a roll-off interest rate of 2.16%. $20.7 $18.7 $17.3 $16.6 $16.4 4Q22 1Q23 2Q23 3Q23 4Q23 Net Interest Income ($ in millions) 2.49% 2.23% 2.02% 1.91% 1.87% Net Interest margin %(1)

14 9.0% 8.9% 8.9% 8.8% 8.7% 12.3% 12.3% 12.2% 12.0% 11.9% 4Q22 1Q23 2Q23 3Q23 4Q23 8.8% 8.6% 8.6% 8.6% 8.5% 11.4% 11.1% 11.1% 11.0% 10.9% 4Q22 1Q23 2Q23 3Q23 4Q23 9.6% 9.5% 9.5% 9.4% 9.3% 12.3% 12.3% 12.2% 12.0% 11.9% 4Q22 1Q23 2Q23 3Q23 4Q23 12.1% 12.2% 12.2% 12.0% 11.9% 13.1% 13.2% 13.1% 12.9% 12.8% 4Q22 1Q23 2Q23 3Q23 4Q23 Regulatory Capital Ratios Note: Lines depict well capitalized levels.Company West Bank Total Risk Based Capital Ratio Tier 1 Capital Ratio Common Equity Tier 1 Ratio Tier 1 Leverage Ratio 6.5% 10% 8% 5%

15Appendix Appendix Non-GAAP Financial Measures (in thousands) As of and for the Quarter Ended December 31, 2023 September 30, 2023 June 30, 2023 March 31, 2023 December 31, 2022 Reconciliation of net interest income and net interest margin on a FTE basis to GAAP: Net interest Income (GAAP) $ 16,361 $ 16,634 $ 17,341 $ 18,695 $ 20,669 Tax-equivalent adjustment (1) 95 113 122 161 197 Net interest income on a FTE basis (non-GAAP) 16,456 16,747 17,463 18,856 20,866 Average interest-earning assets 3,487,799 3,478,053 3,461,313 3,435,988 3,328,941 Net interest margin on a FTE basis (non-GAAP) 1.87 % 1.91 % 2.02 % 2.23 % 2.49 % Reconciliation of efficiency ratio on an adjusted and FTE basis to GAAP: Net interest income on a FTE basis (non-GAAP) $ 16,456 $ 16,747 $ 17,463 $ 18,856 $ 20,866 Noninterest income 1,898 2,822 2,389 2,957 2,265 Adjustment for realized securities losses, net 431 — — — — Adjustment for losses on disposal of premises and equipment, net 24 3 2 — 2 Adjusted income 18,809 19,572 19,854 21,813 23,133 Noninterest expense 12,161 11,905 12,474 12,071 11,665 Efficiency ratio on an adjusted and FTE basis (non- GAAP) (2) 64.66 % 60.83 % 62.83 % 55.34 % 50.42 % (1) Computed on a tax-equivalent basis using a federal income tax rate of 21 percent, adjusted to reflect the effect of the 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.

16 Third Quarter 2022 Earnings Highlights October 27, 2022 Appendix West Bancorporation, Inc. Board of Directors Back L to R: Douglas Gulling, Sean McMurray, Patrick Donovan and Philip Jason Worth Front L to R: Steven Gaer, Lisa Elming, George Milligan, Rosemary Parson, David Nelson, James Noyce (Chair), Therese Vaughan and Steven Schuler

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Cover	Jan. 25, 2024
Cover [Abstract]
Document Type	8-K
Document Period End Date	Jan. 25, 2024
Entity Registrant Name	WEST BANCORPORATION, INC.
Entity Incorporation, State or Country Code	IA
Entity File Number	0-49677
Entity Tax Identification Number	42-1230603
Entity Address, Address Line One	1601 22nd Street
Entity Address, City or Town	West Des Moines
Entity Address, State or Province	IA
Entity Address, Postal Zip Code	50266
City Area Code	515-
Local Phone Number	222-2300
Written Communications	false
Soliciting Material	false
Pre-commencement Tender Offer	false
Pre-commencement Issuer Tender Offer	false
Title of 12(b) Security	Common stock, no par value
Trading Symbol	WTBA
Security Exchange Name	NASDAQ
Entity Emerging Growth Company	false
Entity Central Index Key	0001166928
Amendment Flag	false