BLACKROCK ULTRA SHORT-TERM BOND ETF ETF

The investment seeks to provide current income consistent with preservation of capital. The fund seeks to achieve its investment objective by investing, under normal circumstances, at least 80% of its net assets in a portfolio of U.S. dollar-denominated investment-grade fixed- and floating-rate debt securities that are rated BBB- or higher by S&P Global Ratings and/or Fitch Ratings, Inc. (Fitch), or Baa3 or higher by Moody's Investors Service, Inc. (Moody's), or, if unrated, determined by BFA to be of equivalent quality.