AGREEMENT AND PLAN OF REORGANIZATION (WM I) THIS AGREEMENT AND PLAN OF REORGANIZATION (the "Agreement") is made as of this 1st day of December, 2006, by and among Principal Investors Fund, Inc. ("PIF"), a Maryland corporation, on behalf of its...Agreement and Plan of Reorganization • July 2nd, 2007 • Principal Investors Fund Inc • Maryland
Exhibit 4 FORM OF AGREEMENT AND PLAN OF REORGANIZATION Acquisition of All of the Portfolio Series of MUTUAL FUND VARIABLE ANNUITY TRUST By Portfolio Series of SUNAMERICA SERIES TRUSTAgreement and Plan of Reorganization • August 21st, 2003 • Sunamerica Series Trust • New York