1 EXHIBIT 11 BRIGGS & STRATTON CORPORATION AND SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE OF COMMON STOCK (In thousands except per share data) Quarter Ended ------------------------------------- September 27, September 28, 1998 1997 ------------- ------------- COMPUTATIONS FOR STATEMENTS OF INCOME Net income $ 4,441 $ (2,632) ============= ============ Basic earnings per share of common stock: Average shares of common stock outstanding 23,635 25,165 ============= ============ Basic earnings per share of common stock: $ 0.19 $ (0.10) ============= ============ Diluted earnings per share of common stock: Average shares of common stock outstanding 23,635 25,165 Incremental common shares applicable to common stock options based on the common stock average market price during the period 66 150 Incremental common shares applicable to restricted common stock based on the common stock average market price during the period - - ------------- ------------ Average common shares assuming dilution 23,701 25,315 ============= ============ Fully diluted earnings per average share of common stock, assuming conversion of all applicable securities $ 0.19 $ (0.10) ============= ============