Timberland Bancorp TSBK Investment Advice — Revenue

ASU 2014-09 Revenue from Contracts with Customers ("ASC 606") applies to all contracts with customers to provide goods or services in the ordinary course of business, except for contracts that are specifically excluded from its scope. The majority of the Company's revenues are composed of interest income, deferred loan fee accretion, premium/discount accretion, gains on sales of loans and investments, BOLI net earnings, servicing income on loans sold and other loan fee income, which are not within the scope of ASC 606. Revenue reported as service charges on deposits, ATM and debit card interchange transaction fees, non-deposit investment fees and escrow fees are within the scope of ASC 606. All of the Company's revenue from contracts with customers within the scope of ASC 606 is recognized in non-interest income with the exception of gains on sales of OREO and gains on sales/disposition of premises and equipment, which are included in non-interest expense. For the three months ended June 30, 2026, the Company recognized $956,000 in service charges on deposits, $1.19 million in ATM and debit card interchange transaction fees, $42,000 in escrow fees, and $17,000 in fee income from non-deposit investment sales included in "Other, net" in non-interest income on the consolidated statement of income, all considered within the scope of ASC 606. For the nine months ended June 30, 2026, the Company recognized $2.88 million in service charges on deposits, $3.52 million in ATM and debit card interchange transaction fees, $94,000 in escrow fees, and $53,000 in fee income from non-