The following tables provide the components of net periodic benefit costs for the three and six-month periods ended June 30, 2026 and 2025: | | | | | | | | | | | | | | | | | | | | | | | Employees' | | Select Executive | | Postretirement | | | Pension | | Retirement | | Benefit | | | Plan | | Plan | | Plans | | Net Periodic Benefit Cost (Benefit) | | | | | | | For the Three Months Ended June 30, 2026: | | | | | | | Service Cost 1 | | $ | 506 | | | $ | 42 | | | $ | 5 | | Interest Cost 2 | | 590 | | | 65 | | | 57 | | Expected Return on Plan Assets 2 | | (1,036) | | | — | | | — | | Amortization of Prior Service Cost 2 | | 45 | | | 10 | | | 14 | | Amortization of Net Gain 2 | | — | | | — | | | (137) | | | Net Periodic Cost (Benefit) | | $ | 105 | | | $ | 117 | | | $ | (61) | | | | | | | | | | Plan Contributions During the Period | | $ | — | | | $ | 117 | | | $ | 78 | | | | | | | | | For the Three Months Ended June 30, 2025: | | | | | | | Service Cost 1 | | $ | 402 | | | $ | 21 | | | $ | 5 | | Interest Cost 2 | | 577 | | | 76 | | | 60 | | Expected Return on Plan Assets 2 | | (977) | | | — | | | — | | Amortization of Prior Service Cost 2 | | 48 | | | 10 | | | 25 | | Amortization of Net Gain 2 | | — | | | — | | | (159) | | | Net Periodic Cost (Benefit) | | $ | 50 | | | $ | 107 | | | $ | (69) | | | | | | | | | | Plan Contributions During the Period | | $ | — | | | $ | 128 | | | $ | 34 | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | Net Periodic Benefit Cost | | | | | | | For the Six Months Ended June 30, 2026: | | | | | | | Service Cost (1) | | $ | 953 | | | $ | 67 | | | $ | 13 | | Interest Cost (2) | | 1,180 | | | 130 | | | 124 | | Expected Return on Plan Assets (2) | | (2,101) | | | — | | | — | | Amortization of Prior Service Cost (2) | | 91 | | | 20 | | | 29 | | Amortization of Net Gain (2) | | — | | | — | | | (254) | | | Net Periodic Cost (Benefit) | | $ | 123 | | | $ | 217 | | | $ | (88) | | | | | | | | | | Plan Contributions During the Period | | $ | — | | | $ | 233 | | | $ | 119 | | | | | | | | | | Estimated Future Contributions in the Current Fiscal Year | | $ | — | | | $ | 233 | | | $ | 119 | | | | | | | | | For the Six Months Ended June 30, 2025: | | | | | | | Service Cost (1) | | $ | 802 | | | $ | 47 | | | $ | 16 | | Interest Cost (2) | | 1,161 | | | 148 | | | 139 | | Expected Return on Plan Assets (2) | | (1,986) | | | — | | | — | | Amortization of Prior Service Cost (2) | | 95 | | | 20 | | | 51 | | Amortization of Net Gain (2) | | — | | | — | | | (255) | | | Net Periodic Cost (Benefit) | | $ | 72 | | | $ | 215 | | | $ | (49) | | | | | | | | | | Plan Contributions During the Period | | $ | — | | | $ | 248 | | | $ | 91 | | | | | | | | |
(1) Included in Salaries and Employee Benefits on the Consolidated Statements of Income (2) Included in Other Operating Expense on the Consolidated Statements of Income
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