1 Exhibit 11 Omnicare, Inc. and Subsidiary Companies Computation of Earnings Per Common Share (in thousands, except per share data) Three Months Ended March 31, 1997 1996 ------- -------- Primary Earnings Net income $13,443 $ 8,129 Other 4 (6) ------- -------- Net income as adjusted $13,447 $ 8,123 ======= ======== Shares Weighted average number of common shares outstanding 78,065 53,726 Additional shares assuming conversion of stock options and stock warrants 153 2,122 ------- -------- Average common shares outstanding and equivalent as adjusted 78,218 55,848 ======= ======== Primary earnings per common share $ 0.17* $ 0.15 ======= ======== Fully Diluted Earnings Net income $13,443 $ 8,129 Aftertax interest expense related to 5 3/4% convertible subordinated debentures -- 798 Other 4 (6) ------- -------- Net income as adjusted $13,447 $ 8,921 ======= ======== Shares Weighted average number of common shares outstanding 78,065 53,726 Additional shares assuming conversion of: Stock options and stock warrants 153 2,262 Convertible subordinated debentures -- 11,110 ------- -------- Average common shares outstanding and equivalents as adjusted 78,218 67,098 ======= ======== Fully diluted earnings per common share $ 0.17* $ 0.13 ======= ======== * This calculation is submitted in accordance with Regulation S-K Item 601(b)(11), although not required by footnote 2 to paragraph 14 of APB Opinion No. 15 if it results in dilution of less than 3% or is anti-dilutive.