X0306 4 2021-02-05 0000946673 BANNER CORP BANR 0001655207 Larsen Kenneth A 10 SOUTH FIRST AVENUE WALLA WALLA WA 99362 1 Executive VP, Banner Bank Common Stock, $0.01 par value per share 2021-02-05 4 A 0 2104 48.51 A 14501 D Represents award pursuant to 2014 Omnibus Incentive Plan; shares vest ratably over a three-year period beginning on February 5, 2022 and ending on the third anniversary thereof. Each restricted stock unit represents the right to receive one share of the Issuer's Common Stock upon vesting. These restricted stock units are subject to forfeiture and to limits on transferability until they vest. Closing price on February 5, 2021. /s/ Kenneth A. Larsen 2021-02-08