X0203 0001143362 NYSE ARCA, INC. 0001710607 AMERICAN CENTURY ETF TRUST 001-38340

4500 Main Street Kansas City MO MISSOURI 64111

(816) 531-5575 American Century Emerging Markets Bond ETF 17 CFR 240.12d2-2(a)(3) Emily Fuhrman Analyst, Regulation 2024-10-03