Ameren Missouri Prices $450M 4.80% 2036 and $450M 5.55% 2056 Bonds

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Ameren Missouri priced $450 million of 4.80% first mortgage bonds due 2036 at 99.926% and $450 million of 5.55% bonds due 2056 at 99.619%. The offering closes February 27, 2026, with net proceeds to refinance short-term debt and fund near-term capital expenditures.

1. Bond Pricing and Terms

Ameren Missouri issued $450 million of 4.80% first mortgage bonds due 2036 at 99.926% of par and $450 million of 5.55% bonds due 2056 at 99.619%, for a combined $900 million public offering.

2. Use of Proceeds

Net proceeds from the bond sale will be used to refinance short-term debt obligations and fund near-term capital expenditures to support the utility’s infrastructure and service area expansion.

3. Underwriting and Closing

The transaction is managed by joint book-running managers Barclays Capital, BofA Securities, Mizuho Securities USA, MUFG Securities Americas and Wells Fargo Securities, with closing expected on February 27, 2026, subject to customary conditions.

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