iShares Russell 3000 Growth Index Fund (the Fund) seeks investment results that correspond generally to the price and yield performance of the Russell 3000 Growth Index (the Index). The Index measures the performance of the growth sector of the United States equity market. The Index is a subset of the Russell 3000 Index and measures the performance of equity securities of Russell 3000 Index issuers with relatively higher price-to-book ratios and higher forecasted growth. The Index represents approximately 49% of the total market capitalization of the Russell 3000 Index. Component companies are adjusted for available float and must meet objective criteria for inclusion to the Index. Reconstitution is annual. The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. The Fund’s investment advisor is BlackRock Fund Advisors.