EXHIBIT 11 DynCorp and Subsidiaries Computations of Earnings Per Common Share (Dollars in thousands except per share data) Year Ended December 31, 1993 1992 1991 Primary and Fully Diluted Earnings: Loss before extraordinary item $(13,414) $(20,816) $(12,595) Extraordinary gain (loss) - (2,526) 192 Net loss (13,414) $(23,342) (12,403) Preferred stock Class A dividends declared and paid and accretion of discount - 959 5,180 Preferred stock Class C dividends not accrued or paid 1,347 1,129 947 Net loss for common stockholders $(14,761) $(25,430) $(18,530) Shares: Weighted average common shares outstanding 5,141,319 5,102,621 4,719,407 Earnings (loss) per common share: Loss before extraordinary item $ (2.87) $ (4.49) $ (3.97) Extraordinary gain (loss) - (0.49) 0.04 Net loss for common stockholders $ (2.87) $ (4.98) $ (3.93)