The PowerShares FTSE RAFI Developed Markets ex-U.S. Portfolio Fund (Ticker: PXF) seeks investment results that correspond generally to the performance, before fees and expenses, of the FTSE RAFI Developed Markets ex-U.S. Index. The index is designed to track the performance of the companies domiciled in developed markets with the largest fundamental value, selected from the constituents of the FTSE Developed ex US Large/Mid-Cap Indexes as determined by FTSE. The equities are selected and weighted based on the four fundamental measures of firm size: book value, income, sales and dividends.