X0306 4 2022-04-01 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 2022-04-01 4 F 0 864 44.92 D 216002.3971 D Common Stock 2079.7599 D Common Stock 1565 D Common Stock 2090 D Common Stock 2975 D Stock Options (Right to Buy) 10.96 2018-10-15 2023-10-15 Common Stock 47867 47867 D Stock Options (Right to Buy) 10.96 2016-02-18 2026-02-18 Common Stock 7838 7838 D Stock Options (Right to Buy) 16.20 2020-04-01 2026-02-16 Common Stock 10072 10072 D Stock Options (Right to Buy) 14.77 2015-06-16 2025-06-03 Common Stock 7466 7466 D Stock Options (Right to Buy) 14.77 2020-04-01 2025-05-19 Common Stock 35784 35784 D Shares of Restricted Stock vested on this date were withheld for tax obligations. Restricted stock awarded under 2015 Omnibus Incentive Plan will vest ratably on April 1, 2021, April 1, 2022, and April 1 2023. Restricted stock awarded under 2015 Omnibus Incentive Plan will vest ratably on April 1, 2022, April 1, 2023, and April 1 2024. Restricted stock units awarded under 2015 Omnibus Incentive Plan will vest ratably on April 1, 2023, April 1, 2024, and April 1 2025. /s/ Janet VA Replogle, attorney-in-fact for Mr. Cook 2022-04-04