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 26, September 27, 1999 1998 --------------------------------------- COMPUTATIONS FOR STATEMENTS OF INCOME Net income $ 25,703 $ 4,441 ========== ========= Basic earnings per share of common stock: Average shares of common stock outstanding 23,132 23,635 ========== ========= Basic earnings per share of common stock $ 1.11 $ 0.19 ========== ========= Diluted earnings per share of common stock: Average shares of common stock outstanding 23,132 23,635 Incremental common shares applicable to common stock options based on the common stock average market price during the period 148 66 Incremental common shares applicable to restricted common stock based on the common stock average market price during the period 1 - ---------- --------- Average common shares assuming dilution 23,281 23,701 ========== ========= Fully diluted earnings per average share of common stock, assuming conversion of all applicable securities $ 1.10 $ 0.19 ========== =========