Ameren Missouri Announces Pricing of First Mortgage Bonds due 2034

ST. LOUIS, March 25, 2024

Ameren Missouri intends to use the net proceeds of the offering to refinance short-term debt and to fund capital expenditures.

BNY Mellon Capital Markets, LLC, J.P. Morgan Securities LLC, Mizuho Securities USA LLC and U.S. Bancorp Investments, Inc. 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 Mizuho Securities USA LLC, 1271 Avenue of the Americas, New York, NY 10020, Attention: Debt Capital Markets Desk, Telephone: 1-866-271-7403.

This press release does not constitute an offer to sell or a solicitation of an offer to buy the first mortgage bonds 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 Missouri
Ameren Missouri has been providing electric and gas service for more than 100 years. Ameren Missouri's mission is to power the quality of life for its 1.2 million electric and 135,000 natural gas customers in central and eastern Missouri. The company's service area covers 64 counties and more than 500 communities, including the greater St. Louis area. For more information, visit Ameren.com/Missouri or follow us on X at @AmerenMissouri or Facebook.com/AmerenMissouri.