EXHIBIT A SUBADVISORY AGREEMENT This SUBADVISORY AGREEMENT is dated as of July 2, 2001, by and between SUNAMERICA ASSET MANAGEMENT CORP., a Delaware corporation (the "Adviser"), and WM ADVISORS, INC., a Washington corporation, (the "Subadviser")....Subadvisory Agreement • August 22nd, 2001 • Sunamerica Series Trust • New York
