Company: ATO
Filing Date: 2025-12-19
Form Type: DEF 14A
Source: 0000731802-25-000076
Chunk: 75

Company: ATMOS ENERGY CORP
Filing Date: 2025-12-19
Form: DEF 14A
Chunk 75
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 considered timely, any shareholder’s notice of a proposal or director nomination must be delivered not earlier than the close of business on the 120th day prior to the date of the 2027 Annual Meeting and not later than the close of business on the later of the 90th day prior to the date of the 2027 Annual Meeting or, if the first public announcement of the date of such annual meeting is less than 100 days prior to the date of the 2027 Annual Meeting, the 10th day following the day on which we first make a public announcement of the date of the 2027 Annual Meeting. The shareholder’s notice to the Corporate Secretary must comply with the Company’s Bylaws, which include information required under Rule 14a-19.

#### 2026 Proxy Statement69
Information About the Annual Meeting

#### Annual Report
You may obtain a copy of our 2025 Annual Report, which includes our Annual Report on Form 10-K for the fiscal year ended September 30, 2025, including the financial statements and notes thereto, free of charge on our website or by contacting us as noted below. In addition, the exhibits of the Annual Report on Form 10-K for the fiscal year ended September 30, 2025, are available upon payment of charges that approximate our cost of reproduction. If you would like to receive a copy of these exhibits, or our 2025 Annual Report, please visit our website at www.atmosenergy.com , call Investor Relations at 972-855-3729 or mail your written request to Investor Relations, Atmos Energy Corporation, 1800 Three Lincoln Centre, 5430 LBJ Freeway, Dallas, Texas 75240.

### Other Business
In the event that any matter not described herein is properly presented for a shareholder vote at the annual meeting, or any adjournment thereof, the persons named in the form of proxy will vote in accordance with their best judgment. At the time this proxy statement went to press, the Company knew of no other matters that might be presented for shareholder action at the annual meeting.

By Order of the Board of Directors,

#### Jessica W. Bateman
Senior Vice President, General Counsel

and Corporate Secretary

Dallas, Texas

December 19, 2025

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