Ameren Missouri (NYSE: UELMO) launches prospectus for 2056 secured bonds
Union Electric Company (Ameren Missouri) is offering a new series of First Mortgage Bonds due 2056 under a shelf registration. The prospectus supplement describes bond terms including semi-annual interest, book-entry issuance through DTC, optional redemptions (including for a Tax Credit Event) and ranking as secured debt.
The supplement notes the bonds are a new issue with no current trading market, proceeds are intended to refinance short-term debt and/or fund near-term capital expenditures, and certain offering economics (principal amount, interest rate and offering price) are left blank in the provided excerpt.
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Insights
Issuer is offering long-dated first mortgage bonds with typical secured‑debt mechanics and an issuer option to redeem.
The supplement outlines customary first mortgage bond features: book‑entry DTC issuance, pari passu ranking with other secured debt and a detailed call schedule tied to a Treasury Rate calculation and a Par Call Date. The bonds may be reopened into the same series.
Key conditional element is the Tax Credit Event redemption right at 101% of principal; timing and triggering rely on the issuer's "reasonable determination." Subsequent filings or the final prospectus cover will supply interest rate, offering amount and settlement date.
The prospectus includes a specific Tax Credit Event clause that ties redemption rights to Section 38 tax‑credit usability concerns.
The Tax Credit Event definition references Section 7701(a)(51)(B) SFEs and Section 38 tax credits; redemption requires an officer certificate and may only be effected within specified post‑issuance timing windows. This preserves issuer discretion but creates a defined issuer‑driven call path.
Holdings by or issuance to entities identified as SFEs (including listed categories) are expressly disfavored; purchasers will be deemed to represent they are not SFEs for the taxable year that includes issuance.
Key Figures
Key Terms
Tax Credit Event regulatory
Par Call Date financial
book-entry market
portfolio interest exemption tax
Offering Details
AI-generated analysis. How Rhea-AI works. Not financial advice.
FAQ
What bonds is Ameren Missouri (UELMO) offering?
How will Ameren Missouri use proceeds from the UELMO bond offering?
What is a Tax Credit Event in the UELMO prospectus?
How are the bonds secured and how do they rank?
Will the bonds be listed or have a trading market?
(To Prospectus dated October 13, 2023)
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Offering
Price(1) |
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Underwriting
Discount |
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Proceeds, Before
Expenses, to Ameren Missouri |
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Per bond
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Total
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| | | $ | | | | | $ | | | | | $ | | | | ||
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Page
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About this Prospectus Supplement
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| | | | S-1 | | |
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Union Electric Company
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| | | | S-1 | | |
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Risk Factors
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Where You Can Find More Information
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| | | | S-2 | | |
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Capitalization
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| | | | S-4 | | |
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Use of Proceeds
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| | | | S-5 | | |
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Description of Bonds
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| | | | S-5 | | |
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Certain United States Federal Income Tax Consequences
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| | | | S-12 | | |
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Underwriting
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| | | | S-16 | | |
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Legal Matters
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| | | | S-21 | | |
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Experts
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| | | | S-21 | | |
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About this Prospectus
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| | | | 1 | | |
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Union Electric Company
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| | | | 1 | | |
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Risk Factors
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| | | | 2 | | |
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Where You Can Find More Information
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Use of Proceeds
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Description of Senior Secured Debt Securities
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| | | | 5 | | |
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Description of First Mortgage Bonds and Mortgage Indenture
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| | | | 17 | | |
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Description of Senior Unsecured Debt Securities
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| | | | 33 | | |
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Description of Preferred Stock
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| | | | 40 | | |
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Book-Entry System
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| | | | 43 | | |
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Selling Securityholders
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| | | | 45 | | |
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Plan of Distribution
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Legal Matters
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| | | | 47 | | |
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Experts
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c/o Ameren Corporation
Attention: Office of the Secretary
P.O. Box 66149, Mail Code 1310
St. Louis, Missouri 63166-6149
Telephone: (314) 621-3222
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As of March 31, 2026
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Amount
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Percent of Total
Capitalization |
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(in millions)
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Short-term debt(1)
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| | | $ | 280 | | | | | | 1.5% | | |
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Long-term secured debt (including current maturities)(2)(3)(4)
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| | | | 9,208 | | | | | | 49.8 | | |
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Total short-term debt and long-term secured debt (including current maturities)
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| | | | 9,488 | | | | | | 51.3 | | |
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Preferred stock
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| | | | 80 | | | | | | 0.4 | | |
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Other shareholders’ equity
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| | | | 8,923 | | | | | | 48.3 | | |
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Total capitalization
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| | | $ | 18,491 | | | | | | 100.0% | | |
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Underwriter
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Principal
Amount |
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Fifth Third Securities, Inc.
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| | | $ | | | |
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Mizuho Securities USA LLC
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TD Securities (USA) LLC
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Truist Securities, Inc.
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U.S. Bancorp Investments, Inc.
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BNY Mellon Capital Markets, LLC
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Total
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Paid by us
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Per bond
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| | | | % | | |
First Mortgage Bonds
Senior Unsecured Debt Securities
Preferred Stock
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Page
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| |||
|
About this Prospectus
|
| | | | 1 | | |
|
Union Electric Company
|
| | | | 1 | | |
|
Risk Factors
|
| | | | 2 | | |
|
Where You Can Find More Information
|
| | | | 3 | | |
|
Use of Proceeds
|
| | | | 4 | | |
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Description of Senior Secured Debt Securities
|
| | | | 5 | | |
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Description of First Mortgage Bonds and Mortgage Indenture
|
| | | | 17 | | |
|
Description of Senior Unsecured Debt Securities
|
| | | | 33 | | |
|
Description of Preferred Stock
|
| | | | 40 | | |
|
Book-Entry System
|
| | | | 43 | | |
|
Selling Securityholders
|
| | | | 45 | | |
|
Plan of Distribution
|
| | | | 46 | | |
|
Legal Matters
|
| | | | 47 | | |
|
Experts
|
| | | | 47 | | |
c/o Ameren Corporation
Attention: Office of the Secretary
P.O. Box 66149, Mail Code 1310
St. Louis, Missouri 63166-6149
Telephone: (314) 621-3222
June , 2026