X0306 4 2019-02-25 0 0000946673 BANNER CORP BANR 0001655207 Larsen Kenneth A 10 SOUTH FIRST AVENUE WALLA WALLA WA 99362 0 1 0 0 Executive VP, Banner Bank Common Stock, $.01 par value per share 2019-02-25 4 A 0 562 61.288 A 7507 D Common Stock, $.01 par value per share 2019-02-25 4 F 0 169 61.288 D 7338 D This award for 1,685 performance shares was originally reported on April 5, 2016 at the maximum performance criteria. This supplements that filing to note the actual number of shares that vested based on the performance results as determined by Banner Corporation's Compensation Committee. Market price on February 19, 2019 used for administrative purposes. Includes direct ownership of 2,034 shares through Deferred Compensation Plan. Shares relinquished to cover tax obligations on vesting of 562 performance shares pursuant to 2014 Omnibus Incentive Plan. /s/Kenneth A. Larsen 2019-02-25