American Water Capital Corp. (AWCC), a wholly-owned finance subsidiary of American Water Works Company, Inc. (AWK), issued $700 million aggregate principal amount of 5.200% Senior Notes due 2036. The notes were sold pursuant to an underwriting agreement dated March 30, 2026, and the offering closed on April 1, 2026. AWCC received net proceeds of approximately $694.9 million after deduction of underwriting discounts and before deduction of offering expenses. Proceeds will be used to lend funds to American Water and its subsidiaries in its Regulated Businesses segment, repay commercial paper obligations of AWCC, and for general corporate purposes. The notes are supported by a support agreement from American Water Works Company, Inc., originally dated June 22, 2000, and amended as of July 26, 2000. Interest on the notes will be paid semi-annually on April 1 and October 1, commencing October 1, 2026. The notes are redeemable at the company's option, with a make-whole call provision prior to January 1, 2036, and a par call provision on or after January 1, 2036.