BRIGGS & STRATTON CORPORATION FORM 8-K Dated May 20, 2002 Exhibit No. 99 BRIGGS & STRATTON CORPORATION SELECTS DELOITTE & TOUCHE AS INDEPENDENT AUDITOR MILWAUKEE, May 23, 2002/PR Newswire/-Briggs & Stratton Corporation (NYSE:BGG) Briggs & Stratton Corporation (NYSE: BGG) announced today it has appointed Deloitte & Touche LLP as the Corporation's independent auditors for fiscal year 2002. /CONTACT: James E. Brenn, Senior Vice President and Chief Financial Officer, Briggs & Stratton Corporation, 414-259-5333/(BGG) 6