EXHIBIT 11 ---------- CHATTEM, INC. AND SUBSIDIARIES ------------------------------ STATEMENT REGARDING COMPUTATION OF PER SHARE EARNINGS FOR THE YEARS ENDED NOVEMBER 30, 2002, 2001 AND 2000 (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS) 2002 2001 2000 ---------- ---------- ---------- NET INCOME (LOSS): Income (loss) before extraordinary gain (loss) and change in accounting principle ....... $ 18,900 $ 8,395 $ (197) Extraordinary gain (loss) ......................... -- 6,948 (920) Change in accounting principle .................... (8,877) -- (542) ---------- ---------- ---------- Net income (loss) .............................. $ 10,023 $ 15,343 $ (1,659) ========== ========== ========== NUMBER OF COMMON SHARES: Weighted average outstanding ...................... 18,607 17,854 18,822 Issued upon assumed exercise of outstanding stock options and stock warrants ..................... 644 190 -- Effect of issuance of restricted common shares .... 93 32 -- ---------- ---------- ---------- Weighted average and potential dilutive outstanding 19,344 18,076 18,822 ========== ========== ========== NET INCOME (LOSS) PER COMMON SHARE: Basic: Income (loss) before extraordinary gain (loss) and change in accounting principle ........... $ 1.02 $ .47 $ (.01) Extraordinary gain (loss) ...................... -- .39 (.05) Change in accounting principle ................. (.48) -- (.03) ---------- ---------- ---------- Total basic ................................. $ .54 $ .86 $ (.09) ========== ========== ========== Diluted: Income (loss) before extraordinary gain (loss) and change in accounting principle ........... $ .98 $ .47 $ (.01) Extraordinary gain (loss) ...................... -- .38 (.05) Change in accounting principle ................. (.46) -- (.03) ---------- ---------- ---------- Total diluted ............................... $ .52 $ .85 $ (.09) ========== ========== ========== Note: The share and per share amounts have been adjusted for the effect of the 2 for 1 split of the Company's common stock on November 29, 2002.