Company: ATO
Filing Date: 2025-12-09
Form Type: PRE 14A
Source: 0000731802-25-000061
Chunk: 52

Company: ATMOS ENERGY CORP
Filing Date: 2025-12-09
Form: PRE 14A
Chunk 52
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al Executive Retirement Plan |     | — |                |                |  96,779 |     |                |       — |     | — |               |     |    96,779 |           |
| John S. McDill(c)          |     | Account Balance Supplemental Executive Retirement Plan |     | — |                |                | 251,761 |     |                |  56,464 |     | — |               |     | 1,421,241 |           |
| Karen E. Hartsfield(c)     |     | Account Balance Supplemental Executive Retirement Plan |     | — |                |                | 255,354 |     |                |  72,675 |     | — |               |     | 1,784,503 |           |

(a) Amounts reported in this column represent employer contributions under the Account Balance SERP. These amounts are also reported in the Summary Compensation Table under All Other Compensation.

(b) The amounts attributable to above-market interest on non-qualified deferred compensation in the Change in Pension Value and Nonqualified Deferred Compensation Earnings column in the Summary Compensation Table and identified in footnote (d) to that table are also included in this column.

#### 2026 Proxy Statement51
Named Executive Officer Compensation and Related Matters

(c) Mr. McDill and Ms. Hartsfield are eligible for an immediate distribution of their Account Balance SERP account balance. Upon attainment of age 55, Mr. Forsythe and Ms. Bateman will be eligible for an immediate distribution of their Account Balance SERP account balance.

#### Change in Control Severance Agreements
We have entered into severance agreements with each of the named executive officers to provide certain severance benefits for them in the event of certain terminations of their employment within three years following a “change in control” of the Company (as defined in the severance agreements and described generally below). In addition, each such named executive officer will be entitled to all rights and benefits, if any, provided under any other plan or agreement between such named executive officer and the Company.

The severance agreement for each such named executive officer generally provides that, in connection with a qualifying termination, the Company will pay such officer a lump sum equal to (a) 2.5 times their total compensation (annual base salary and the higher of the last award under the Incentive Plan or the average of the three highest awards under such plan, whether or not consecutive) and (b) the total of (i)