Ameren Illinois Company, a subsidiary of Ameren Corporation, has announced the pricing of a public offering of $350 million aggregate principal amount of 5.625% first mortgage bonds due 2055. The bonds are being offered at 103.196% of their principal amount, with a re-offer yield of 5.405%. This issuance is an addition to Ameren Illinoisโ existing 5.625% first mortgage bonds due 2055, which were originally issued on March 3, 2025, in the same principal amount of $350 million.
The transaction is expected to close on September 26, 2025, subject to customary closing conditions being met. The company plans to use the net proceeds from this offering to repay a portion of its short-term debt, thereby strengthening its financial position. KeyBanc Capital Markets Inc., TD Securities (USA) LLC, U.S. Bancorp Investments, Inc., and Fifth Third Securities, Inc. are serving as joint book-running managers for the transaction.
The offering will be made solely by means of a prospectus and a related prospectus supplement. A prospectus supplement for the offering will be filed with the Securities and Exchange Commission (SEC). Once available, copies of the prospectus and supplement can be accessed through the SECโs website at http://www.sec.gov or obtained by contacting U.S. Bancorp Investments, Inc., 214 N. Tryon Street, 26th Floor, Charlotte, North Carolina 28202.
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