Company: ATO
Filing Date: 2025-11-14
Form Type: 10-K
Source: 0000731802-25-000056
Chunk: 117

Company: ATMOS ENERGY CORP
Filing Date: 2025-11-14
Form: 10-K
Item: Item 8
Chunk 117
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50 %Expected return on plan assets6.50 %6.50 %6.50 %6.25 %6.25 %Interest crediting rate (1)4.69 %4.69 %4.69 %4.69 %4.69 %(1)    The interest crediting rate assumption for the development of the fiscal 2025 pension asset is 4.73% for calendar year 2026, then reverting back to 4.69% for all future years.

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Table of ContentsATMOS ENERGY CORPORATIONNOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

The following table presents the Pension Plan’s accumulated benefit obligation, projected benefit obligation, and funded status as of September 30, 2025 and 2024:20252024 (In thousands)Accumulated benefit obligation$428,845 $448,353 Change in projected benefit obligation:Benefit obligation at beginning of year$470,902 $431,560 Service cost10,047 9,546 Interest cost23,164 25,731 Actuarial (gain) loss(18,133)44,205 Benefits paid(35,556)(40,140)Benefit obligation at end of year450,424 470,902 Change in plan assets:Fair value of plan assets at beginning of year595,212 502,412 Actual return on plan assets64,847 127,940 Employer contributions— 5,000 Benefits paid(35,556)(40,140)Fair value of plan assets at end of year624,503 595,212 Reconciliation:Funded status174,079 124,310 Unrecognized prior service cost— — Unrecognized net loss— — Net amount recognized$174,079 $124,310 Net periodic pension cost for the Pension Plan for fiscal 2025, 2024, and 2023 is presented in the following table. Fiscal Year Ended September 30 202520242023 (In thousands)Components of net periodic pension cost:Service cost$10,047 $9,546 $10,805 Interest cost (1)23,164 25,731 24,924 Expected return on assets (1)(30,618)(28,808)(29,113)Amortization of prior service credit (1)—