1 EXHIBIT 11 BTG, INC. AND SUBSIDIARIES COMPUTATION OF PER SHARE EARNINGS (AMOUNTS IN THOUSANDS, EXCEPT PER SHARE DATA) Three Months Ended June 30, ---------------------------------- 1999 1998 ---- ---- Income from continuing operations $ 965 $ 137 ========== ========= Weighted average common stock shares outstanding during the period (used in the calculation of basic per share results) 8,840 8,679 Dilutive effect of common stock options and common stock purchase warrants 6 64 ---------- --------- Weighted average common stock and potentially dilutive securities outstanding during the period (used in the calculation of diluted per share results) 8,846 8,743 ========== ========= Basic earnings per share $ 0.11 $ 0.02 ========== ========= Diluted earnings per share $ 0.11 $ 0.02 ========== ========= - 17 -