Exhibit 11.1 NEOPROBE CORPORATION AND SUBSIDIARIES COMPUTATION OF NET LOSS PER SHARE
Three Months Ended Six Months Ended June 30, June 30, 1995 1996 1995 1996 ---- ---- ---- ---- Net Loss ($ 2,483,052) ($ 4,398,618) ($ 5,024,350) ($ 7,948,817) ------------ ------------ ------------ ------------ Weighted average number of shares outstanding: Weighted average common shares outstanding beginning of period 13,857,768 17,426,614 10,854,515 17,334,800 Weighted average common shares issued during period 165,318 2,314,091 2,085,370 1,245,859 ------------ ------------ ------------ ------------ Weighted average number of shares outstanding used in computing primary net loss per share 14,023,086 19,740,705 12,939,885 18,580,659 ------------ ------------ ------------ ------------ Weighted average number of shares used in computing fully diluted net loss per share 14,023,086 19,740,705 12,939,885 18,580,659 ------------ ------------ ------------ ------------ Net Loss Per Share: Primary ($ 0.18) ($ 0.22) ($ 0.39) ($ 0.43) ------------ ------------ ------------ ------------ Fully diluted ($ 0.18) ($ 0.22) ($ 0.39) ($ 0.43) ------------ ------------ ------------ ------------