EXHIBIT 11 BRIGGS & STRATTON CORPORATION AND SUBSIDIARIES COMPUTATION OF LOSS PER SHARE OF COMMON STOCK (In thousands except per share data) Three Months Ended ------------------------------------------- September 29, 2002 September 30, 2001 -------------------- --------------------- COMPUTATIONS FOR STATEMENTS OF INCOME Basic earnings per share of common stock: Net loss $ (7,027) $(17,424) ======== ======== Average shares of common stock outstanding 21,643 21,600 ======== ======== Basic earnings per share of common stock $ (0.32) $ (0.81) ======== ======== Diluted earnings per share of common stock: Net loss $ (7,027) $(17,424) Adjustment to net loss to add after-tax interest expense on convertible notes* - - -------- -------- Adjusted net loss $ (7,027) $(17,424) ======== ======== Average shares of common stock outstanding 21,643 21,600 Incremental common shares applicable to common stock options based on the common stock average market price during the period* - - Incremental common shares applicable to restricted common stock based on the common stock average market price during the period* - - Incremental common shares applicable to convertible notes based on the conversion provisions of the convertible notes* - - -------- -------- Average common shares assuming dilution 21,643 21,600 ======== ======== Fully diluted earnings per average share of common stock, assuming conversion of all applicable securities $ (0.32) $ (0.81) ======== ======== *Antidilutive for the quarter