PRINCIPAL INVESTORS FUND, INC. SUB-ADVISORY AGREEMENT LEHMAN BROTHERS SUB- ADVISED FUND AGREEMENT executed as of July 18, 2007, by and between PRINCIPAL MANAGEMENT CORPORATION (hereinafter called "the Manager"), and LEHMAN BROTHERS ASSET MANAGEMENT...Sub-Advisory Agreement • September 25th, 2007 • Principal Investors Fund Inc • Maryland
PRINCIPAL INVESTORS FUND, INC. DISTRIBUTION PLAN AND AGREEMENT CLASS A SHARESDistribution Agreement • September 25th, 2007 • Principal Investors Fund Inc
