EXHIBIT 11.1 NEOPROBE CORPORATION AND SUBSIDIARIES COMPUTATION OF NET LOSS PER SHARE
Three Months Ended Nine Months Ended September 30, September 30, 1996 1997 1996 1997 ---- ---- ---- ---- Net Loss ($6,227,065) ($5,412,776) ($14,175,882) ($17,373,909) Weighted average number of shares outstanding: Weighted average common shares outstanding beginning of period 19,740,705 22,749,713 17,334,800 22,586,527 Weighted average common shares issued during period 311,666 17,121 1,738,430 136,480 ------------------------------- -------------------------------- Weighted average number of shares outstanding used in computing primary net loss per share 20,052,371 22,766,834 19,073,230 22,723,007 =============================== ================================ Weighted average number of shares used in computing fully diluted net loss per share 20,052,371 22,766,834 19,073,230 22,723,007 =============================== ================================ Earnings (Net Loss) Per Share: Primary ($0.31) ($0.24) ($0.74) ($0.76) =============================== ================================ Fully diluted ($0.31) ($0.24) ($0.74) ($0.76) =============================== ================================