As will be disclosed in the 2021 proxy statement of GSE Systems, Inc., on February 26, 2021, J. Barnie Beasley, Chairman of the board of directors (the Board"), informed the company that he will not stand for re-election to the Board. Mr. Beasley's tenure as a member of the Board will cease as of the close of the 2021 Annual Meeting of Stockholders of the company (the Annual Meeting") in the event that his successor is duly elected and qualifies or, alternatively, Mr. Beasley intends to resign as a director at the close of the Annual Meeting.