Exhibit 11 WASTE HOLDINGS, INC. COMPUTATION RE: EARNINGS PER SHARE (In Thousands, Except Per Share Data) Three Months Ended Six Months Ended June 30, June 30, ------------------- --------------------- 2000 2001 2000 2001 ---- ---- ---- ---- Net income $ 1,915 $ 2,096 $ 4,265 $ 3,288 ======== ======= ======= ======= Weighted average number of common shares issued and outstanding - Basic 13,858 13,337 13,850 13,238 Common stock equivalents Options for common stock 489 149 498 149 -------- ------- ------- ------- Weighted average common stock equivalents 14,347 13,486 14,348 13,387 Less treasury shares to be repurchased (249) (136) (241) (145) Weighted average shares outstanding - Diluted 14,098 13,350 14,107 13,242 Basic earnings per share $ 0.14 $ 0.16 $ 0.31 $ 0.25 ======== ======= ======= ======= Diluted earnings per share $ 0.14 $ 0.16 $ 0.30 $ 0.25 ======== ======= ======= =======