1 EXHIBIT 11 CAMBREX CORPORATION AND SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE (in thousands) Three months ended June 30, ---------------------- 1994 1993 ------ ---- Income (loss) applicable to common shares: Primary earnings . . . . . . . . . . . . . . . . . . . . . . . . . . . $ 3,380 $ 2,427 Add: Interest reduction from assumed conversion of convertible subordinated notes (net of taxes): Notes issued June 11, 1985 . . . . . . . . . . . . . . . . . . . . 0 34 Notes issued October 3, 1985 . . . . . . . . . . . . . . . . . . . 0 20 ------ ------ Fully diluted earnings . . . . . . . . . . . . . . . . . . . . . . . . $ 3,380 $ 2,481 ====== ====== Weighted average number of common shares and common share equivalents outstanding during the period: Common Stock . . . . . . . . . . . . . . . . . . . . . . . . . . . 5,229 4,872 Stock Options . . . . . . . . . . . . . . . . . . . . . . . . . . 419 319 ----- ----- Shares outstanding - primary . . . . . . . . . . . . . . . . . . . . . 5,648 5,191 Notes issued June 11, 1985 . . . . . . . . . . . . . . . . . . . . 0 172 Notes issued October 3, 1985 . . . . . . . . . . . . . . . . . . . 0 103 Additional stock options . . . . . . . . . . . . . . . . . . . . . 0 0 ----- ----- Shares outstanding - fully diluted . . . . . . . . . . . . . . . . . . 5,648 5,466 ===== ===== - 14 -