X0306 4 2020-02-25 0 0000356171 TRICO BANCSHARES / TCBK 0001290259 Koehnen Michael W 63 CONSTITUTION DRIVE CHICO CA 95973 1 0 0 0 Common Stock 2020-02-25 4 J 0 0 0 A 96549 D Common Stock 2020-02-25 4 J 0 0 0 A 2300 I By Spouse Common Stock 2020-02-25 4 J 0 0 0 A 850 I By Daughter Common Stock 2020-02-25 4 J 0 0 0 A 4400 I By Mother's Trust Common Stock 2020-02-25 4 J 0 0 0 A 8600 I Koehnen & Sons Profit Sharing Common Stock 2020-02-25 4 J 0 4403 35.5 A 84617 I Koehnen & Sons Common Stock 2020-02-26 4 J 0 4798 35.3526 A 89415 I Koehnen & Sons No transaction occurred amongst these shares. Intended only to reflect number of shares beneficially owned. Multiple open market security purchases accumulating to 4,403 shares occurred on February 25, 2020 with a low, high, and average price per share of $35.4950, 35.50, 35.50 respectively. Multiple open market security purchases accumulating to 4,798 shares occurred on February 26, 2020 with a low, high, and average price per share of $35.17, $35.45, $35.3526 respectively. /s/ Michael Koehnen by Jason Cove Attorney-In-Fact 2020-02-26