The iShares ESG Advanced Investment Grade Corporate Bond ETF is designed to replicate the investment performance of a specific benchmark index. This index comprises U.S. dollar-denominated, high-quality corporate bonds that have been rigorously screened for climate-related factors and meticulously vetted to exclude companies engaged in controversial activities. Furthermore, the index prioritizes issuers that demonstrate superior environmental, social, and governance (ESG) ratings, as determined by the index provider.