Exhibit 11 Endo Pharmaceuticals Holdings Inc. Statement Regarding Computation of Per Share Earnings Three Months Ended Six Months Ended June 30, June 30, -------------------------------------------------------- 2001 2000 2001 2000 ---- ---- ---- ---- Numerator: Net income (loss) available to common stockholders $2,928 $608 $(11,310) $(16,986) ====== ==== ========= ========= Denominator: For basic per share data - weighted average shares 89,138,950 71,328,424 89,138,950 71,326,680 Effect of dilutive stock options 73,565 - - - ---------- ---------- --------- ---------- For diluted per share data 89,212,515 71,328,424 89,138,950 71,326,680 ========== ========== ========== ========== Basic income (loss) per share $.03 $.01 $(.13) $(.24) ==== ==== ====== ====== Diluted income (loss) per share $.03 $.01 $(.13) $(.24) ==== ==== ====== ======