NEW YORK (Standard&Poor's) Feb. 4, 2015--Standard&Poor's Ratings Services today lowered its fund credit quality rating on the iShares Emerging Markets Corporate Bond ETF to 'BB-f' from 'BBf'. At the same time, we affirmed the fund's 'S4' volatility rating. We lowered the fund credit quality rating on the iShares Emerging Markets Corporate Bond ETF due to the fund's increased exposures to issues rated in the 'CCC' category, resulting from downgrades within the portfolio's holdings. The fund seeks investment results that correspond generally to the price and yield performance, before fees and expenses, of the Morningstar Emerging Markets Corporate Bond Index. The underlying index tracks the performance of the U.S. dollar-denominated emerging market corporate bond market. All bonds