EXHIBIT 11 DURA PHARMACEUTICALS, INC. STATEMENTS RE COMPUTATIONS OF NET INCOME (LOSS) PER SHARE 1999 1998 1997 NET INCOME PER SHARE - BASIC -------------- --------------- -------------- Net income $ 30,004,000 $ 2,733,000 $ (84,692,000) ============== =============== ============== Weighted average number of common shares: Common stock 44,132,372 46,028,396 43,828,208 ============== =============== ============== Net income per share $ 0.68 $ 0.06 $ (1.93) NET INCOME PER SHARE - DILUTED Net income $ 30,004,000 $ 2,733,000 $ (84,692,000) ============== =============== ============== Weighted average number of common and common equivalent shares assuming issuance of all dilutive contingent shares: Common stock 44,132,372 46,028,396 43,828,208 Stock options 906,859 744,155 - Warrants 633,070 1,036,440 - -------------- -------------- -------------- Total 45,672,301 47,808,991 43,828,208 ============== ============== ============== Net income per share $ 0.66 $ 0.06 $ (1.93) ============== ============== ==============