CONSENT OF INDEPENDENT AUDITORS We consent to the incorporation by reference in the Registration Statement (Form S-8 No. 33-38176) pertaining to Amcast Industrial Corporation 401(k) Salary Deferral Plan for Bargaining Unit Employees - Plan 2 of our report dated May 23, 2003 with respect to the financial statements and schedules of Amcast Industrial Corporation 401(k) Salary Deferral Plan for Bargaining Unit Employees - Plan 2 included in this Annual Report (Form 11-K) for the year ended December 31, 2002. /s/ Battelle & Battelle LLP Dayton, Ohio May 23, 2003