X0306 4 2018-01-01 1 0001599891 Sunshine Bancorp, Inc. SBCP 0001613030 McGinnes W.D. Jr. 102 WEST BAKER STREET PLANT CITY FL 33563 1 0 0 0 Common Stock 2018-01-01 4 J 0 2605 D 0 I By IRA Common Stock 2018-01-01 4 J 0 184 D 0 I By Spouse's IRA Common Stock 2018-01-01 4 J 0 3906 D 0 D Common Stock 2018-01-01 4 J 0 20000 D 0 I by Trust Common Stock 2018-01-01 4 J 0 10000 D 0 I By Spouse's Trust Stock Options 14.35 2018-01-01 4 J 0 3000 D 2017-10-27 2026-10-27 Common Stock 3000 0 D Stock Options 13.96 2018-01-01 4 J 0 9766 D 2015-10-29 2025-10-29 Common Stock 9766 0 D Each share of common stock was converted into and became exchangeable for the right to receive 0.89 shares of CenterState Bank Corporation common stock. Each option was converted into an option to purchase a number of shares of CenterState Bank Corporation common stock determined by multiplying the number of shares of Sunshine Bancorp, Inc. common stock subject to such stock option by 0.89, at a per share exercise price equal to the quotient obtained by dividing the per share exercise price for each share of Sunshine Bancorp, Inc. common stock subject to such option by 0.89. /s/ Benjamin Azoff, pursuant to Power of Attorney 2018-01-02