X0306 4 2023-02-28 0000824410 SANDY SPRING BANCORP INC SASR 0001320274 Cook Kenneth C SANDY SPRING BANCORP, INC. 17801 GEORGIA AVENUE OLNEY MD 20832 1 EVP, Division President Common Stock 2715.5829 D Common Stock 0 D Common Stock 0 D Common Stock 2874 D Common Stock 2023-02-28 4 F 0 804 33.13 D 216846.4161 D Common Stock 2023-02-28 4 F 0 1011 33.13 D 217925.4161 D Restricted stock award granted under the 2015 Omnibus Incentive Plan vested this date upon his qualified retirement under the terms of Mr. Cook's amended award agreement. Restricted stock units awarded under 2015 Omnibus Incentive Plan will vest ratably on April 1, 2023, April 1, 2024, and April 1 2025. Shares of Restricted Stock vested on this date were withheld for tax obligations. /s/ Janet VA Replogle, attorney-in-fact for Mr. Cook 2023-02-28