iShares FTSE NAREIT Mortgage Plus Capped Index Fund (the Fund), formerly iShares FTSE NAREIT Mortgage REITs Index Fund, seeks investment results that correspond generally to the price and yield performance of the FTSE NAREIT All Mortgage Capped Index (the Index) (formerly the FTSE NAREIT Mortgage REITs Index). The Index measures the performance of the residential and commercial mortgage real estate, mortgage finance and savings associations sectors of the United States equity market. 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.