Exhibit 11 GOVERNMENT TECHNOLOGY SERVICES, INC. COMPUTATION OF EARNINGS PER SHARE (In thousands, except per share amounts) Three Months Ended March 31, ------------------- 1999 1998 -------- -------- Net loss. . . . . . . . . . . . . . . . . . . . . . . . . $ (1,893) $ (3,509) ======== ======== Weighted average shares of common stock outstanding (basic and diluted). . . . . . . . . 9,466 6,756 ======== ======== Net loss per common share and common share equivalent (basic and diluted) . . . . . . . . . $ (0.20) $ (0.52) ======== ========