X0407 4/A 2023-03-23 2023-04-12 0 0000944745 CIVISTA BANCSHARES, INC. CIVB 0001193469 WURM GERALD B 4905 ALBAUGH ROAD NEW WASHINGTON OH 44854 0 0 0 1 Subsidiary Director 0 Common 2023-03-23 4 P 0 367 17.6999 A 32620 I Mary L. Wurm Trust Common 2023-03-23 4 P 0 1170 17.8692 A 33790 I Mary L. Wurm Trust Common 2023-03-23 4 P 0 30 17.72 A 33820 I Mary L. Wurm Trust Common 2023-03-23 4 P 0 33 17.67 A 33853 I Mary L. Wurm Trust Common 2023-03-23 4 P 0 400 17.69 A 34253 I Mary L. Wurm Trust Common 1275 I Grandson #1 Trust Common 40320.494 I Trust Common 51461 I Trust Common 34253 I Mary L. Wurm Trust Purchased shares were added to G. Wurm Trust instead of M. Wurm Trust. /s/ Lori A. Castillo, By Power of Attorney 2023-04-12