X0508 4 2024-11-01 0000946673 BANNER CORP BANR 0001803405 BORRECCO MARK CHARLES 10 SOUTH FIRST AVENUE WALLA WALLA WA 99362 1 Executive VP, Banner Bank 0 Common Stock, $0.01 par value per share 2024-11-01 4 A 0 3081 64.90 A 3081 D Common Stock, $0.01 par value per share 2024-11-01 4 A 0 1540 64.90 A 4621 D Represents award pursuant to 2018 Omnibus Incentive Plan; shares fully vest over a one-year period beginning on November 1, 2024 and ending on the first 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 November 1, 2024. Represents award pursuant to 2018 Omnibus Incentive Plan; shares vest ratably over a three-year period beginning on November 1, 2024 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. /s/ Mark C. Borrecco 2024-11-04