X0306 4 2022-04-05 0 0000944480 GSE SYSTEMS INC GVP 0001735299 Khanna Ravi 6940 COLUMBIA GATEWAY DRIVE SUITE 470 COLUMBIA MD 21046 0 1 0 0 Senior Vice President Common Stock 2022-04-05 4 A 0 20671 0 A 89297 D These shares of common stock represent restricted share units granted pursuant to a Restricted Share Unit Agreement between Mr. Khanna and the Issuer and are subject to forfeiture. The restricted share units awarded vest in one installment of 3,445 shares on June 30, 2022, nine installments of 1,722 shares on each of September 30, 2022, December 31, 2022, March 31, 2023, June 30, 2023, September 30, 2023, December 31, 2023, March 31, 2024, June 30, 2024, and September 30, 2024; and one installment of 1,728 shares on December 31, 2024. These restricted share units were granted to Mr. Khanna for his services as the Senior Vice President, Professional Services of the Issuer. /s/ Ravi Khanna 2022-04-06