Ameren Illinois Announces Pricing of First Mortgage Bonds due 2036

Rhea-AI Summary

Ameren Illinois Company (NYSE: AEE), a subsidiary of Ameren Corporation, has priced a public offering of $400 million aggregate principal amount of 5.50% first mortgage bonds due 2036, at 99.988% of their principal amount.

The offering is expected to close on August 24, 2026, subject to customary closing conditions. According to Ameren Illinois, net proceeds will be used to repay a portion of its short-term debt. Goldman Sachs & Co. LLC, KeyBanc Capital Markets, SMBC Nikko Securities America, and TD Securities (USA) are joint book-running managers.

Positive

• $400 million first mortgage bond issuance due 2036
• Fixed coupon of 5.50% locked in to 2036
• Net proceeds earmarked to repay short-term debt
• Bonds priced at 99.988% of principal amount

Negative

• New long-term bond issuance adds $400 million of debt
• Annual interest obligations based on 5.50% coupon through 2036

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ST. LOUIS, Aug. 17, 2026 /PRNewswire/ -- Ameren Illinois Company, a subsidiary of Ameren Corporation (NYSE: AEE), announced today the pricing of a public offering of $400 million aggregate principal amount of 5.50% first mortgage bonds due 2036 at 99.988% of their principal amount.  The transaction is expected to close on August 24, 2026, subject to the satisfaction of customary closing conditions.

Ameren Illinois intends to use the net proceeds of the offering to repay a portion of its short-term debt. 

Goldman Sachs & Co. LLC, KeyBanc Capital Markets Inc., SMBC Nikko Securities America, Inc. and TD Securities (USA) 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 TD Securities (USA) LLC, 1 Vanderbilt Avenue, 11th Floor, New York, New York 10017, Attn: DCM – Transaction Advisory, phone: 1-855-495-9846. 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 Illinois

Ameren Illinois delivers energy to 1.2 million electric and more than 800,000 natural gas customers throughout central and southern Illinois. Our service territory covers more than 1,200 communities and 43,700 square miles and our mission is to power the quality of life.

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SOURCE Ameren Corporation

FAQ

What did Ameren Illinois (AEE) announce about its first mortgage bonds due 2036?

Ameren Illinois announced pricing of $400 million 5.50% first mortgage bonds due 2036 at 99.988% of principal. According to Ameren Illinois, the offering provides long-term financing and is expected to close on August 24, 2026, subject to customary closing conditions.

What is the interest rate and price for Ameren Illinois (AEE) first mortgage bonds due 2036?

The first mortgage bonds carry a fixed 5.50% interest rate and are priced at 99.988% of principal. According to Ameren Illinois, this pricing applies to the $400 million aggregate principal amount in the public offering announced on August 17, 2026.

How will Ameren Illinois use the $400 million bond proceeds announced in August 2026?

Ameren Illinois intends to use the net proceeds to repay a portion of its short-term debt. According to Ameren Illinois, reallocating to longer-term first mortgage bonds due 2036 adjusts the company’s debt maturity profile without specifying particular facilities being repaid.

When is the Ameren Illinois (AEE) 5.50% first mortgage bond offering expected to close?

The offering is expected to close on August 24, 2026, subject to customary closing conditions. According to Ameren Illinois, completion of the $400 million 5.50% first mortgage bonds due 2036 depends on satisfying these standard closing requirements.

Who are the joint book-running managers for the Ameren Illinois (AEE) 2036 bond offering?

Goldman Sachs & Co. LLC, KeyBanc Capital Markets, SMBC Nikko Securities America, and TD Securities (USA) are joint book-running managers. According to Ameren Illinois, these institutions are managing the $400 million 5.50% first mortgage bonds due 2036 public offering.

Where can investors find the prospectus for the Ameren Illinois (AEE) 2036 bonds?

Investors can access the prospectus and prospectus supplement on the SEC website at www.sec.gov. According to Ameren Illinois, copies may also be requested from TD Securities (USA) LLC at its New York office or via the provided phone number.