QuesTech, Inc. and Subsidiaries Exhibit (11) - Statement Re: Computation of Earnings Per Share Three Months Six Months Ended June 30 Ended June 30 1997 1996 1997 1996 Primary: Average Shares Outstanding 1,438,423 1,368,490 1,437,683 1,363,405 Net effect of dilutive stock options 74,533 148,824 72,745 153,606 Weighted average number of shares 1,512,956 1,517,314 1,510,428 1,517,011 Net income $ 170,100 $ 167,900 $ 291,700 $ 278,600 Earnings per share, primary $0.11 $0.11 $0.19 $0.18 Fully diluted: Average Shares Outstanding 1,438,423 1,368,490 1,437,683 1,363,405 Net effect of dilutive stock options 98,998 150,435 98,838 154,368 Totals 1,537,421 1,518,925 1,536,521 1,517,773 Net Income $ 170,100 $ 167,900 $ 291,700 $ 278,600 Earnings per share, fully diluted $0.11 $0.11 $.19 $.18