iShares Core U.S. Aggregate Bond ETF/  US4642872265  /

The iShares Core U.S. Aggregate Bond ETF (the "Fund") seeks to track the investment results of an index composed of the total U.S. investment-grade bond market. The Fund seeks to track the investment results of the Bloomberg U.S. Aggregate Bond Index (the "Underlying Index"), which measures the performance of the total U.S. investment-grade (as determined by Bloomberg Index Services Limited (the "Index Provider" or "Bloomberg")) bond market. As of February 28, 2023, there were 13,192 issues in the Underlying Index. The Underlying Index includes investment-grade U.S. Treasury bonds, government-related bonds, corporate bonds, mortgage-backed pass-through securities ("MBS"), commercial mortgage-backed securities ("CMBS") and asset-backed securities ("ABS") that are publicly offered for sale in the U.S. As of February 28, 2023, a significant portion of the Underlying Index is represented by MBS and U.S. Treasury securities. The components of the Underlying Index are likely to change over time.

The iShares Core U.S. Aggregate Bond ETF (the "Fund") seeks to track the investment results of an index composed of the total U.S. investment-grade bond market.