Exhibit 11 WASTE HOLDINGS, INC. COMPUTATION RE: EARNINGS PER SHARE Three Months Ended March 31, --------------------- 2000 2001 -------- -------- Net income $ 2,350 $ 1,192 ======== ======== Weighted average number of common shares issued and outstanding - Basic 13,854 13,141 Common stock equivalents Options for common stock 515 214 -------- -------- Weighted average common stock equivalents 14,369 13,355 Less treasury shares to be repurchased (237) (183) -------- -------- Weighted average shares outstanding - Diluted 14,132 13,172 Basic earnings per share $0.17 $0.09 ======== ======== Diluted earnings per share 0.17 $0.09 ======== ========