1 EXHIBIT 11 CAMBREX CORPORATION AND SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE (in thousands) Three months ended Nine Months ended September 30, September 30, --------------------- ---------------------- 1994 1993 1994 1993 ---- ---- ---- ---- Income applicable to common shares: Primary earnings . . . . . . . . . . . . . . $ 2,440 $ 2,194 $ 7,948 $ 6,415 Add: Interest reduction from assumed conversion of convertible subordinated notes (net of taxes): Notes issued June 11, 1985 . . . . . . . - 28 - 96 Notes issued October 3, 1985 . . . . . . - 17 - 57 ------ ------ ------ ----- Fully diluted earnings . . . . . . . . . . . $ 2,440 $ 2,239 $ 7,948 $6,568 ====== ====== ====== ===== Weighted average number of common shares and common share equivalents outstanding during the period: Common Stock . . . . . . . . . . . . . . 5,255 4,948 5,231 4,885 Stock Options . . . . . . . . . . . . . 424 325 424 323 ----- ----- ----- ----- Shares outstanding - primary . . . . . . . . 5,679 5,273 5,655 5,208 Notes issued June 11, 1985 . . . . . . . - 131 - 163 Notes issued October 3, 1985 . . . . . . - 78 - 98 Additional stock options . . . . . . . . 32 - 38 4 ----- ----- ----- ----- Shares outstanding - fully diluted . . . . . 5,711 5,482 5,693 5,473 ===== ===== ===== ===== - 15 -