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Atmos Energy signs $700M senior notes offering deal

The Notes will be issued under a 2009 indenture, with their terms to be set by an Officers’ Certificate dated October 9, 2026.

(Moderate)

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Form Type
8-K

Rhea-AI Filing Summary

Atmos Energy Corporation (ATO) entered into an underwriting agreement for an underwritten public offering of $700 million aggregate principal amount of 6.000% Senior Notes due 2036. BNP Paribas Securities Corp., Credit Agricole Securities (USA) Inc. and U.S. Bancorp Investments, Inc. are representatives of the several underwriters. Atmos Energy expects net proceeds of approximately $691.4 million after the underwriting discount and its estimated offering expenses.

The offering is expected to close on or about October 9, 2026, subject to customary closing conditions. The offering is registered under the Securities Act through Atmos Energy's Form S-3 registration statement. The prospectus supplement is dated October 6, 2026, and was filed under Rule 424(b) on October 8, 2026. The Notes will be represented by two global securities.

Item 8.01 Other Events Other
Voluntary disclosure of events the company deems important to shareholders but not covered by other items.
Item 9.01 Financial Statements and Exhibits Exhibits
Financial statements, pro forma financial information, or exhibit attachments filed with this report.
Aggregate principal amount $700 million Underwritten public offering of 6.000% Senior Notes due 2036
Expected net proceeds Approximately $691.4 million After the underwriting discount and estimated offering expenses payable by Atmos Energy
Stated note rate 6.000% Senior Notes due 2036
Expected closing date October 9, 2026 Expected on or about this date, subject to customary closing conditions
aggregate principal amount financial
"$700 million aggregate principal amount"
The aggregate principal amount is the total amount of money borrowed through a bond or loan that the borrower promises to repay. It’s like the original price tag on a loan or bond, showing how much money is involved in the deal. This number matters because it indicates the size of the debt and helps investors understand the scale of the borrowing.
underwriting discount financial
"after the underwriting discount"
The underwriting discount is the fee that investment banks or broker-dealers keep when they buy securities from an issuer and resell them to the public; it’s the difference between the price paid to the company and the public offering price, shown per share or as a percentage. It matters to investors because it reduces the cash the company actually raises and is a cost built into the deal—like a sales commission—so a larger discount can mean higher issuance costs, tighter returns for new investors, and a signal about how much effort underwriters must expend to sell the offering.
Indenture financial
"pursuant to an indenture dated March 26, 2009"
An indenture is a legal agreement between a company that borrows money by issuing bonds and the people who buy those bonds. It explains the rules the company must follow, like paying back the money and keeping certain financial promises. This document helps both sides understand their rights and responsibilities.
global securities financial
"represented by two global securities"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How much does ATO expect to receive from the notes offering?

Atmos Energy expects approximately $691.4 million in net proceeds from its offering of $700 million aggregate principal amount of 6.000% Senior Notes due 2036. The estimate is after the underwriting discount and estimated offering expenses payable by the company.

When are ATO's 6.000% notes due, and when is the offering expected to close?

The 6.000% Senior Notes are due in 2036, and the offering is expected to close on or about October 9, 2026, subject to customary closing conditions.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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ATMOS ENERGY CORP false 0000731802 0000731802 2026-10-06 2026-10-06 0000731802 stpr:VA 2026-10-06 2026-10-06
 
 

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

 

Form 8-K

 

 

Current Report

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

October 6, 2026

Date of Report (Date of earliest event reported)

 

 

ATMOS ENERGY CORPORATION

(Exact Name of Registrant as Specified in its Charter)

 

 

 

Texas AND Virginia   1-10042   75-1743247

(State or Other Jurisdiction

of Incorporation)

 

(Commission

File Number)

 

(I.R.S. Employer

Identification No.)

1800 THREE LINCOLN CENTRE,

5430 LBJ FREEWAY, DALLAS, Texas

    75240
(Address of Principal Executive Offices)     (Zip Code)

(972) 934-9227

(Registrant’s Telephone Number, Including Area Code)

Not Applicable

(Former Name or Former Address, if Changed Since Last Report)

 

 

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

 

☐

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

 

☐

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

 

☐

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

 

☐

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

 

Title of each class

 

Trading

Symbol

 

Name of each exchange

on which registered

Common stock No Par Value   ATO   New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging Growth Company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

 

 
 


Item 8.01.

Other Events.

On October 6, 2026 Atmos Energy Corporation (“Atmos Energy”) entered into an underwriting agreement (the “Underwriting Agreement”) with BNP Paribas Securities Corp., Credit Agricole Securities (USA) Inc. and U.S. Bancorp Investments, Inc. as representatives of the several underwriters named in Schedule I thereto, with respect to the offering and sale in an underwritten public offering (the “Offering”) by Atmos Energy of $700 million aggregate principal amount of its 6.000% Senior Notes due 2036 (the “Notes”). The Offering has been registered under the Securities Act of 1933, as amended (the “Securities Act”), pursuant to a registration statement on Form S-3 (Registration No. 333-283563) of Atmos Energy (the “Registration Statement”) and the prospectus supplement dated October 6, 2026, which was filed with the Securities and Exchange Commission pursuant to Rule 424(b) of the Securities Act on October 8, 2026. Legal opinions related to the Registration Statement are also filed herewith as Exhibits 5.1 and 5.2.

Atmos Energy expects to receive net proceeds, after the underwriting discount and estimated offering expenses payable by it, of approximately $691.4 million. The Offering is expected to close on or about October 9, 2026, subject to customary closing conditions.

The Notes will be issued pursuant to an indenture dated March 26, 2009 (the “Indenture”) between Atmos Energy and U.S. Bank Trust Company, National Association, as successor in interest to U.S. Bank National Association, as trustee (the “Trustee”), to be modified by an Officers’ Certificate setting forth the terms of the Notes (the “Officers’ Certificate”), to be dated October 9, 2026 and delivered to the Trustee pursuant to Section 301 of the Indenture. The Notes will be represented by two global securities, a form of which is filed as an exhibit hereto. The form of the Officers’ Certificate and the Underwriting Agreement are each also filed as an exhibit hereto.


Item 9.01.

Financial Statements and Exhibits.

 

(d)

Exhibits

 

Exhibit
Number

  

Description

 1.1    Underwriting Agreement dated as of October 6, 2026
 4.1    Form of Officers’ Certificate, to be dated October 9, 2026
 4.2    Form of Global Security for 6.000% Senior Notes due 2036
 5.1    Opinion of Gibson, Dunn & Crutcher LLP
 5.2    Opinion of Hunton Andrews Kurth LLP
23.1    Consent of Gibson, Dunn & Crutcher LLP (included in Exhibit 5.1)
23.2    Consent of Hunton Andrews Kurth LLP (included in Exhibit 5.2)
104    Cover Page Interactive Data File. The cover page XBRL tags are embedded within the inline XBRL document (contained in Exhibit 101).


SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

 

    ATMOS ENERGY CORPORATION
        (Registrant)
DATE: October 9, 2026     By:  

/s/ Richard M. Thomas

      Richard M. Thomas
      Vice President, Financial Services and Treasurer

Filing Exhibits & Attachments

9 documents

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