PRINCIPAL FUNDS, INC. AMENDED AND RESTATED SUB-ADVISORY AGREEMENT BARROW, HANLEY, MEWHINNEY & STRAUSS, LLC. SUB-ADVISED SERIES AGREEMENT executed as of April 1, 2011, by and between PRINCIPAL MANAGEMENT CORPORATION (hereinafter called "the Manager"),...Sub-Advisory Agreement • June 27th, 2011 • Principal Funds Inc • Iowa
