X0306 4 2021-08-02 0 0000022701 COMMUNICATIONS SYSTEMS INC JCS 0001469238 Lacey Roger HD 10900 RED CIRCLE DRIVE MINNETONKA MN 55343 1 1 0 0 Chairman/Interim CEO Common Stock 2021-08-02 4 M 0 41250 6.85 A 141995.579 D Common Stock 2021-08-02 4 F 0 40444 7.15 D 101551.579 D Common Stock 2021-08-02 4 M 0 56250 4.4 A 157801.579 D Common Stock 2021-08-02 4 F 0 46176 7.15 D 111625.579 D Common Stock 2021-08-02 4 M 0 61875 3.61 A 173500.579 D Common Stock 2021-08-02 4 F 0 47610 7.15 D 125890.579 D Common Stock 2021-08-02 4 M 0 50000 2.55 A 175890.579 D Common Stock 2021-08-02 4 F 0 35006 7.15 D 140884.579 D Common Stock 2021-08-02 4 M 0 7500 2.64 A 148384.579 D Common Stock 2021-08-02 4 F 0 5297 7.15 D 143087.579 D Common Stock 2021-08-02 4 M 0 35095 5.39 A 178182.579 D Common Stock 2021-08-02 4 F 0 31072 7.15 D 147110.579 D Common Stock 2021-08-02 4 M 0 4579 7.15 A 151689.579 D Common Stock 2021-08-02 4 F 0 1941 7.15 D 149748.579 D Common Stock 2021-08-02 4 M 0 15865 7.15 A 165613.579 D Common Stock 2021-08-02 4 F 0 6723 7.15 D 158890.579 D Common Stock 9630.174 I By ESOP Stock Option (Right-to-Buy) 11.65 2021-08-02 4 J 0 22655 0 D 2022-03-17 Common Stock 22655 0 D Stock Option (Right-to-Buy) 11.09 2021-08-02 4 J 0 6100 0 D 2022-04-03 Common Stock 6100 0 D Stock Option (Right-to-Buy) 11.09 2021-08-02 4 J 0 18850 0 D 2022-04-03 Common Stock 18850 0 D Stock Option (Right-to-Buy) 11.05 2021-08-02 4 J 0 25050 0 D 2022-05-21 Common Stock 25050 0 D Stock Option (Right-to-Buy) 7.34 2021-08-02 4 M 0 16667 0 D 2021-08-01 2023-01-25 Common Stock 16667 0 D Stock Option (Right-to-Buy) 6.85 2021-08-02 4 M 0 41250 0 D 2021-08-01 2023-03-15 Common Stock 41.25 0 D Stock Option (Right-to-Buy) 4.4 2021-08-02 4 M 0 15456 0 D 2021-08-01 2024-03-31 Common Stock 15456 0 D Stock Option (Right-to-Buy) 4.4 2021-08-02 4 M 0 40794 0 D 2021-08-01 2024-03-31 Common Stock 40794 0 D Stock Option (Right-to-Buy) 3.61 2021-08-02 4 M 0 61875 0 D 2021-08-01 2025-03-09 Common Stock 61875 0 D Restricted Stock Units 7.15 2021-08-02 4 M 0 4579 0 D 2021-08-01 2026-03-28 Common Stock 4579 0 D Restricted Stock Units 7.15 2021-08-02 4 M 0 15865 0 D 2021-08-01 2027-05-06 Common Stock 15865 0 D As provided under the 2011 Plan and in accordance with the determinations of the Compensation Committee, all stock options outstanding on August 2, 2021 having an exercise price equal to or greater than the Fair Market Value on the August 2, 2021 closing of the E&S Sale Transaction were terminated and cancelled as of the closing date without any payment therefor Suzette McNally, Attorney-in-Fact for Roger H.D. Lacey 2021-08-04