iShares Asia 50 ETF (the Fund), formerly iShares S&P Asia 50 Index Fund, is an exchange-traded fund (ETF). The Fund seeks investment results that correspond generally to the price and yield performance of the S&P Asia 50 Index (the Index). The Index is a free float-adjusted, market capitalization-weighted index that is designed to measure the performance of the 50 leading companies from four Asian markets: Hong Kong, Singapore, South Korea and Taiwan. The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. Due to the use of representative sampling, the Fund may or may not hold all of the securities that are included in the Index. The Fund's investment advisor is BlackRock Fund Advisors, which is indirectly owned by BlackRock, Inc.