1 EXHIBIT 11 CAMBREX CORPORATION AND SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE (IN THOUSANDS, EXCEPT PER-SHARE DATA) YEARS ENDED DECEMBER 31, ---------------------------------------------------- 1994 1993 1992 1991(1) 1990(1) -------- ------- ------- ------- ------- Income applicable to common shares: Primary earnings....................... $ 11,126 $ 8,641 $ 6,230 $ 31 $(5,075) Add: Interest reduction attributable to assumed conversion of convertible subordinated notes (Net of taxes) Notes issued June 11, 1985........... -- 71 136 -- -- Notes issued October 3, 1985......... -- 43 81 -- -- -------- ------- ------- ------- ------- Fully diluted earnings (loss)..... $ 11,126 $ 8,755 $ 6,447 $ 31 $(5,075) ======= ====== ====== ====== ======= Weighted average number of common shares and common share equivalents outstanding during the year: Common stock........................... 5,250 4,961 4,753 4,655 4,705 Nonvoting Common stock................. -- -- -- -- 113 Stock options.......................... 424 321 135 49 -- -------- ------- ------- ------- ------- Shares outstanding -- primary.......... 5,674 5,282 4,888 4,704 4,818 Notes issued June 11, 1985................ -- 122 198 -- -- Notes issued October 3, 1985.............. -- 73 120 -- -- Additional stock options.................. 25 7 36 34 -- -------- ------- ------- ------- ------- Shares outstanding -- fully diluted.... 5,699 5,484 5,242 4,738 4,818 ======= ====== ====== ====== ======= Fully diluted earnings (loss) per common share(2)...................... $ 1.95 $ 1.60 $ 1.23 $ 0.01 $ (1.05) ======= ====== ====== ====== ======= --------------- (1) The convertible subordinated notes and the related interest, net of income taxes, had an anti-dilutive effect on earnings per share for the years ended December 31, 1991 and 1990 and are, therefore, excluded from the computation. (2) 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 because it results in dilution of less than 3%. 54