EXHIBIT 11 OUTBOARD MARINE CORPORATION COMPUTATION OF PER SHARE EARNINGS Three Months Ended March 31 (In millions except amounts per share) 1999 1998 ---- ---- Basic Earnings Per Share: Net Loss $ (11.9) $ (8.4) ============ ============ Weighted Average Number of Shares 20.4 20.4 ============ ============ Basic Earnings (Loss) Per Share $ (0.58) $ (0.41) ============ ============ Diluted Earnings Per Share: Net Loss $ (11.9) $ (8.4) ============ ============ Weighted Average Number of Shares 20.4 20.4 Common Stock Equivalents (Stock Options) - - - - ------------ ------------ Average Shares Outstanding 20.4 20.4 ============ ============ Diluted Earnings (Loss) Per Share $ (0.58) $ (0.41) ============ ============