INVESTMENT ADVISORY AGREEMENT AGREEMENT, made as of this 1st day of November, 2000, between the DIVERSIFIED VALUE PORTFOLIO of VANGUARD VARIABLE INSURANCE FUND, a Delaware business trust (the "Trust"), and BARROW, HANLEY, MEWHINNEY & strauss, inc., a...Investment Advisory Agreement • March 1st, 2004 • Vanguard Variable Insurance Fund • Delaware
