...NEW YORK (S&P Global Ratings) July 13, 2017--S&P Global Ratings today said it assigned its 'A-f' fund credit quality rating (FCQR) and '##' fund volatility rating (FVR) to the iShares ESG USD Corporate Bond ETF. Similarly, we assigned an 'A-f' FCQR and '##' FVR to the iShares ESG 1-5 Year USD Corporate Bond ETF. In addition to these ratings, we assigned a 'B+f' FCQR and '##' FVR to the iShares Edge High Yield Defensive Bond ETF and 'BBBf' FCQR and '##' FVR to the iShares Edge Investment Grade Enhanced Bond ETF. Given all four funds are new and we expect them to launch soon, we have assessed the funds' respective index portfolios to determine the fund credit quality. An 'A-f' FCQR signifies that the credit quality of the fund's portfolio exposure is strong. A 'BBBf' FCQR signifies that the credit quality of the fund's portfolio exposure is adequate, and a 'B+f' FCQR signifies that the credit quality of the fund's portfolio exposure is very weak. The iShares ESG USD Corporate Bond ETF and...