X0609 4 2026-04-01 0000731802 ATMOS ENERGY CORP ATO 0001839074 Geiser Edward false 5430 LBJ FREEWAY SUITE 1800 DALLAS TX 75240 1 0 Phantom Stock Units Common Stock 3062.3895 3062.3895 D Phantom Deferred Compensation 2026-04-01 4 A 0 175.5903 185.09 A Common Stock 175.5903 1491.7505 D Each unit of phantom stock is equivalent to one share of the Company's common stock. The phantom stock units were granted under the 1998 Long-Term Incentive Plan (the "Plan") and are to be settled upon the reporting person's termination of service on the Company's Board. Includes 11.55 phantom stock units resulting from a dividend reinvestment feature of the Plan which were allocated to reporting person's account since last filing. The phantom share units were received pursuant to an election to convert a portion of the reporting person's director fees under the Plan and are to be settled upon the reporting person's termination of service on the Company's Board of Directors. Includes 7.10 phantom stock units resulting from the dividend reinvestment feature of the Plan which were allocated to reporting person's account since last filing. /s/Suzanne Johnson by POA 2026-04-02