Form 8-K Filing by Post Holdings, Inc.

On March 13, 2026, Post Holdings, Inc. reported the issuance of $600.0 million in aggregate principal amount of 6.250% senior notes due 2034. These notes were issued at a price of 100.75% of the principal amount. The issuance was conducted in the United States to qualified institutional buyers and to non-U.S. persons outside the United States. The New Notes form a single series with previously issued notes, creating a total of $1.2 billion in 6.250% senior notes due 2034. The notes bear interest semi-annually, with a maturity date of October 15, 2034. They are senior unsecured obligations of the Company, guaranteed by its subsidiaries. The Indenture governing the notes includes provisions for redemption under certain conditions, including equity offerings and a Change of Control event. It also contains covenants that limit the Company's and its subsidiaries' ability to, among other things, borrow money, create liens, pay dividends, make investments, and sell assets. The Indenture also includes customary events of default.