EXHIBIT 11 Endo Pharmaceuticals Holdings Inc. Statement Regarding Computation of Per Share Earnings Three Months Ended Six Months Ended June 30, June 30, --------------------------------- ---------------------------------- 2000 1999 2000 1999 --------------- -------------- --------------- --------------- Numerator: Net income (loss) available to common stockholders $ 608 $ (2,638) $ (16,986) $ (3,717) Denominator: For basic per share data - weighted average shares 71,328,424 71,333,979 71,326,680 71,335,335 Effect of dilutive stock options - - - - For diluted per share data 71,328,424 71,333,979 71,326,680 71,335,335 Basic earnings (loss) per share $ .01 $ (.04) $ (.24) $ (.05) Diluted earnings (loss) per share $ .01 $ (.04) $ (.24) $ (.05)