X0508 4/A 2023-01-03 2023-01-04 0000102752 VSE CORP VSEC 0001026013 KOONCE CALVIN SCOTT 6229 EXECUTIVE BOULEVARD ROCKVILLE MD 20852 true true false Common Stock, par value $.05 2023-01-03 4 A 0 2146 0 A 1345498 D Common Stock, par value $.05 20000 I See footnote Common Stock, par value $.05 501584 I See footnote Represents shares of Common Stock held by the Reporting Person's spouse. The Reporting Person disclaims beneficial ownership of any of the shares of Common Stock of the Issuer held by the Reporting Person's spouse, except to the extent of his pecuniary interest therein, if any. Represents shares of Common Stock held by Koonce LLC, a family limited liability company ("LLC"). Pursuant to General Instruction 4(b)(iv) of Form 4, the entire amount of the LLC's interest in the Common Stock of the Issuer is being reported. The Reporting Person disclaims beneficial ownership of any of the shares of Common Stock of the Issuer held by the LLC, except to the extent of his pecuniary interest therein, if any. /s/ Calvin S. Koonce 2024-04-01