X0508 4 2025-03-06 0 0001401564 First Financial Northwest, Inc. FFNW 0001560623 Soh Simon 201 WELLS AVENUE SOUTH RENTON WA 98057 0 1 0 0 Senior VP/CCO of the Bank 0 Common Stock, $0.01 par value 2025-03-06 4 F 0 349 20.07 D 44284 D Common Stock, $0.01 par value 11000 I Thru IRA Reflects vesting of 698 shares of restricted stock of which 349 shares were withheld at the election of the Reporting Person for Issuer to pay the value of the vested shares to state and federal tax authorities for the Reporting Person's account. /s/Karla Evans as Power of Attorney for Simon Soh 2025-03-07