ST. LOUIS, Feb. 26, 2026 /PRNewswire/ -- Ameren Corporation (NYSE:AEE) announced today the pricing of a public offering of $400 million aggregate principal amount of 5.00% senior notes due 2036 at 99.802% of their principal amount. The transaction is expected to close on March 4, 2026, subject to the satisfaction of customary closing conditions.

Ameren intends to use the net proceeds of the offering for general corporate purposes, including to repay a portion of its short-term debt, including short-term debt incurred to refinance Ameren's 3.65% senior notes due 2026 upon maturity.

BNY Mellon Capital Markets, LLC, J.P. Morgan Securities LLC, RBC Capital Markets, LLC, U.S. Bancorp Investments, Inc. and Wells Fargo Securities, LLC are acting as joint book-running managers for the offering.

The offering is being made only by means of a prospectus and related prospectus supplement. A prospectus supplement related to the offering will be filed with the Securities and Exchange Commission. Copies of the prospectus and related prospectus supplement for the offering, when available, may be obtained via the Securities and Exchange Commission's website at www.sec.gov or by contacting J.P. Morgan Securities LLC, c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717 or by email at prospectus-eq_fi@jpmchase.com and postsalemanualrequests@broadridge.com. This press release does not constitute an offer to sell or a solicitation of an offer to buy the senior notes and shall not constitute an offer, solicitation or sale in any jurisdiction in which, or to any person to whom, such an offer, solicitation or sale is unlawful.

About Ameren

St. Louis-based Ameren Corporation powers the quality of life for 2.5 million electric customers and more than 900,000 natural gas customers in a 64,000-square-mile area through its Ameren Missouri and Ameren Illinois rate-regulated utility subsidiaries. Ameren Illinois provides electric transmission and distribution service and natural gas distribution service. Ameren Missouri provides electric generation, transmission and distribution service, as well as natural gas distribution service. Ameren Transmission Company of Illinois develops, owns and operates rate-regulated regional electric transmission projects in the Midcontinent Independent System Operator, Inc.

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SOURCE Ameren Corporation

Ameren Announces Pricing of Senior Notes due 2036