iShares MSCI All Country Asia ex Japan ETF (the Fund), formerly The iShares MSCI All Country Asia ex Japan Index Fund, is an exchange-traded fund (ETF). The Fund seeks investment results that correspond generally to the price and yield performance, of the MSCI All Country Asia ex Japan Index (the Index). The Index is a free-float adjusted market capitalization index designed to measure equity market performance of the 12 countries, such as Australia, China, Honk Kong, India, Indonesia, Malaysia, New Zealand, the Philippines, Singapore, South Korea, Taiwan and Thailand. The Fund generally invests at least 90% of its assets in securities of the Underlying Index and in depositary receipts representing securities of the Underlying Index. BlackRock Fund Advisors (BFA) serves as the investment advisor to the Fund.