1 EXHIBIT 11.1 LIDAK PHARMACEUTICALS STATEMENT RE COMPUTATION OF NET LOSS PER SHARE Years Ended September 30, 1994 1995 1996 ------------- ------------ ------------- Weighted average number of common shares outstanding (1) 25,620,239 29,338,418 32,072,994 Less: Weighted average number of common escrow shares (2) (453,281) 0 0 ------------- ------------ ------------- Weighted average number of common shares outstanding 25,166,958 29,338,418 32,072,944 ------------ ------------ ------------- Net loss $(4,813,341) $(10,173,001) $(6,130,241) ------------ ------------ ------------- Net loss per share $ (0.19) $ (0.35) $ (0.19) ============ =========== ============ 1) Common equivalent shares have been excluded from the number of shares used in the calculation of weighted average number of common shares as their inclusion would be antidilutive. 2) Represents shares of common stock which had been placed in escrow and were subject to forfeiture and accordingly, have been excluded from the number of shares used in the calculation of weighted average number of shares outstanding.