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Timberland Bancorp Exhibit 99.1 Contact : Dean J. Brydon , CEO Jonathan A. Fischer , President & COO Marci A. Basich , CFO ( 360 ) 533-4747 www.timberlandbank.com Timberland Bancorp Reports Third Fiscal Quarter Net Income of $ 7.72 Million Quarterly EPS Increases 9 % to $ 0.98 from $ 0.90 for the Comparable Quarter One Year Ago Quarterly Return on Average Assets Increases to 1.51 % Quarterly Return on Average Equity Increases to 11.42 % Quarterly Net Interest Margin Increases to 3.85 % Announces a 3 % Increase in the Quarterly Cash Dividend HOQUIAM , WA – July 28 , 2026 – Timberland Bancorp , Inc. ( NASDAQ : TSBK ) ( “ Timberland ” or “ the Company " ) , the holding company for Timberland Bank ( the " Bank ” ) , today reported net income of $ 7.72 million , or $ 0.98 per diluted common share for the quarter ended June 30 , 2026. This compares to net income of $ 7.10 million , or $ 0.90 per diluted common share for the comparable quarter one year ago , and $ 7.13 million , or $ 0.90 per diluted common share , for the preceding quarter . For the first nine months of fiscal 2026 , Timberland's net income increased 11 % to $ 23.07 million , or $ 2.92 per diluted common share , from $ 20.72 million , or $ 2.60 per diluted common share , for the first nine months of fiscal 2025 . " Timberland delivered another strong quarter , with net income and earnings per share up 8 % and 9 % , respectively , from the prior quarter , and up 9 % from the year ago quarter , ” stated Dean Brydon , Chief Executive Officer . " Net interest margin expanded , loan growth was solid , and most of our income - related ratios compared favorably with both the linked - quarter and year - over - year . We remain encouraged by our business model and believe we are well positioned as we head into the end of our fiscal year . ” " As a result of Timberland's strong earnings and capital position , our Board of Directors announced a 3 % increase to the quarterly cash dividend to shareholders of $ 0.30 per share , payable on August 24 , 2026 , to shareholders of record on August 10 , 2026 , " stated Jonathan Fischer , President and Chief Operating Officer . “ This represents the 55th consecutive quarter Timberland will have paid a cash dividend and demonstrates the Board's continued confidence in our long - term outlook . " " Overall , this was a relatively clean quarter from an earnings standpoint , with minimal non - recurring items impacting results , ” said Marci Basich , Chief Financial Officer . “ Net interest margin improved this quarter , up four basis points after a modest decline last quarter and improved five basis points year - over - year . Our balance sheet positioning and proactive deposit pricing strategies continue to help mitigate the headwinds of the current interest rate environment . On the deposit side , total deposits grew 1 % from the prior quarter and 6 % year over year . Maintaining a disciplined funding mix and stable margin will remain a top priority going forward . " " Net loans were up 3 % from the prior quarter and 4 % year - over - year , ” Brydon continued . “ Even with a shifting rate environment , demand across our lending categories has remained healthy . Credit quality held steady with modest improvements in non - performing asset levels , delinquency levels , and substandard loan levels . Our markets continue to offer solid growth opportunities , and we remain confident in the quality of our loan portfolio and our disciplined approach to credit risk management . "