1 EXHIBIT 11 BTG, INC. AND SUBSIDIARIES COMPUTATION OF PER SHARE EARNINGS (AMOUNTS IN THOUSANDS, EXCEPT PER SHARE DATA) Three Months Ended June 30, ---------------------------------- 1998 1997 ---- ---- Net income $ 82 $ 235 ============ ============ Weighted average common stock shares outstanding during the period (used in the calculation of basic per share results) 8,679 8,476 Dilutive effect of common stock options and common stock purchase warrants 64 282 ------------ ------------ Weighted average common stock and potentially dilutive securities outstanding during the period (used in the calculation of diluted per share results) 8,743 8,758 ============ ============ Basic earnings per share $ 0.01 $ 0.03 ============ ============ Diluted earnings per share $ 0.01 $ 0.03 ============ ============ -16-