X0407 4 2023-06-12 0 0000356171 TRICO BANCSHARES / TCBK 0001198468 SMITH RICHARD P 63 CONSTITUTION DRIVE CHICO CA 95973 1 1 0 0 CEO, President & Chairman 0 Common Stock 2023-06-12 4 M 0 15962 A 263869 D Common Stock 2023-06-12 4 F 0 9154 37.21 D 254715 D Common Stock 2023-06-12 4 J 0 0 0 A 38299.26 I By ESOP Common Stock 2023-06-12 4 J 0 0 0 A 251.44 I By spouse Common Stock 2023-06-12 4 J 0 0 0 A 1163292 I ESOP Trustee Performance Stock Unit 2023-06-12 4 M 0 15962 0 D Common Stock 15962 17821 D Restricted stock unit 2023-06-12 4 A 0 13271 0 A Common Stock 13271 32800 D Performance Stock Unit 2023-06-12 4 A 0 13271 0 A Common Stock 13271 31092 D Vesting of performance-based stock unit (PSU). Each PSU represented the right to receive 0%-150% of the target number based on the Issuers total stockholder return relative to the KBW Regional Banking Index (based on an initial grant of 13258 PSUs which was reported in the original Form 4 for this grant). PSUs vested at 120.4%. Reflects shares withheld to pay tax liability. No transactions occurred amongst these shares. Intended only to reflect the number of shares beneficially owned. Represents a grant of Restricted Stock Unit (RSU) award which vests 33.3% per year over 3 years. Cash dividends on RSUs are reinvested in shares of Issuers common stock at fair market value on date of dividend payment. Per unit value on date of grant was $33.74 (based on the 30-day average closing price of Issuers common stock ending 06/12/2023). Represents a grant of Performance-based restricted stock unit (PSU) award that cliff vests after 3 years between 0% and 150% of the target number of shares (the numbers of shares listed in box 5) based on the Issuers total stockholder return relative to the KBW Regional Banking Index. /s/ Richard P. Smith by Janine Howard, Attorney-in-Fact 2023-06-13