Fund Description: Vanguard Mega Cap Index ETF is an exchange-traded index fund or Index ETF which is a separate investment portfolio of the Vanguard World Fund, an investment management company. INVESTMENT OBJECTIVE: CRSP US Mega Cap Index, formerly Vanguard Mega Cap Index ETF seeks to track the performance of the Morgan Stanley Capital International US Large-Cap 300 Index. FUND DESCRIPTION: Morgan Stanley Capital International Large-Cap 300 Index is a free-float adjusted, market-capitalization- weighted index designed to measure equity market performance of large-capitalization stocks. FUND STRATEGY: The Fund employs a passive management or indexing investment approach designed to track the performance of the Index. The Fund attempts to replicate the target index by investing all, or substantially all, of its assets in the stocks that make up the Index, holding each stock in approximately the same proportion as its weighting in the Index. The Fund invests mainly in large-capitalization stocks of U.S. companies considered to have above-average earnings growth potential and reasonable stock prices in comparison with expected earnings. FUND MANAGEMENT: The Vanguard Group, Inc. serves as advisor to the Funds through its Quantitative Equity Group.