EXHIBIT 11.1 EMISPHERE TECHNOLOGIES, INC. STATEMENT OF COMPUTATION OF PER SHARE DATA For the three months ended ---------------------------------------------------------------- January 31, 1996 January 31, 1997 ----------------------------- -------------------------------- Primary Fully Diluted Primary Fully Diluted ---------------------------------------------------------------- Net income (loss) $ 1,156,530 $ 1,156,530 $ (2,428,681) $ (2,428,681) ============== ============== ============= ============== Weighted average number of shares 8,327,466 8,327,466 9,489,732 9,489,732 Shares issuable upon exercise of options and warrants 2,031,112 4,096,090 Shares assumed to be repurchased under the treasury stock method (1,665,493) (1,845,099) -------------- -------------- ------------- -------------- 8,327,466 8,693,085 9,489,732 11,740,723 ============== ============== ============= ============== NET INCOME (LOSS) PER SHARE $ 0.14 $ 0.13 $ (0.26) $ (0.21) ============== ============== ============= ==============