EXHIBIT 11 CHATTEM, INC. AND SUBSIDIARIES STATEMENT REGARDING COMPUTATION OF PER SHARE EARNINGS FOR THE YEARS ENDED NOVEMBER 30, 2000, 1999 AND 1998 (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS) 2000 1999 1998 ----------- ----------- ----------- NET INCOME: Income (loss) before extraordinary loss and change in accounting principle........... $ (197) $ 22,541 $ 18,128 Extraordinary loss......................... (920) (2,385) (2,859) Change in accounting principle............. (542) -- -- ----------- ----------- ----------- Net income (loss)...................... $ (1,659) $ 20,156 $ 15,269 =========== =========== =========== NUMBER OF COMMON SHARES: Weighted average outstanding.............. 9,411 9,747 9,374 Issued upon assumed exercise of outstanding stock options and stock warrants................................ -- 277 361 ----------- ----------- ----------- Weighted average and dilutive potential outstanding............................. 9,411 10,024 9,735 =========== =========== =========== NET INCOME (LOSS) PER COMMON SHARE: Basic: Income (loss) before extraordinary loss and change in accounting principle... $ (.02) $ 2.31 $ 1.93 Extraordinary loss..................... (.10) (.24) (.30) Change in accounting principle......... (.06) -- -- ----------- ----------- ----------- Total basic.......................... $ (.18) $ 2.07 $ 1.63 =========== =========== =========== Diluted: Income (loss) before extraordinary loss and change in accounting principle... $ (.02) $ 2.25 $ 1.86 Extraordinary loss..................... (.10) (.24) (.29) Change in accounting principle......... (.06) -- -- ----------- ----------- ----------- Total diluted........................ $ (.18) $ 2.01 $ 1.57 =========== =========== =========== 30