1 EXHIBIT 11 CAMBREX CORPORATION AND SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE (in thousands) Three months ended Nine months ended September 30, September 30, ------------------ ----------------- 1995 1994 1995 1994 ---- ---- ---- ---- Income applicable to common shares: Primary earnings . . . . . . . . . . . $5,006 $2,440 $14,507 $ 7,948 ====== ====== ======= ======= Fully diluted earnings . . . . . . . . $5,006 $2,440 $14,507 $ 7,948 ====== ====== ======= ======= Weighted average number of common shares and common share equivalents outstanding during the period: Common Stock . . . . . . . . . . . 6,994 5,255 5,988 5,231 Stock Options . . . . . . . . . . 350 424 345 424 ------ ------ ------- ------- Shares outstanding - primary . . . . . 7,344 5,679 6,333 5,655 Additional stock options . . . . . 1 32 32 38 ------ ------ ------- ------- Shares outstanding - fully diluted . . 7,345 5,711 6,365 5,693 ====== ====== ======= ======= - 14 -