The following table shows the components of net periodic pension benefit income:
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended
June 30, | | Six Months Ended
June 30, | | Affected Line Item in the Consolidated
Condensed Statements of Income | | (In thousands) | | 2026 | | 2025 | | 2026 | | 2025 | | | Service cost | | $ | 1,825 | | | $ | 1,632 | | | $ | 3,432 | | | $ | 3,264 | | | Employee benefits | | Interest cost | | 1,616 | | | 1,478 | | | 3,186 | | | 2,956 | | | Other components of net
periodic pension benefit income | | Expected return on plan assets | | (4,035) | | | (3,834) | | | (8,070) | | | (7,668) | | | Other components of net
periodic pension benefit income | | Recognized prior service cost | | (30) | | | 12 | | | (57) | | | 24 | | | Other components of net
periodic pension benefit income | | Net periodic pension benefit income | | $ | (624) | | | $ | (712) | | | $ | (1,509) | | | $ | (1,424) | | | |
Park has entered into Supplemental Executive Retirement Plan Agreements (the “SERP Agreements”) with certain key officers of Park and its subsidiaries which provide defined pension benefits in excess of limits imposed by federal tax law. The expense for the Corporation related to the SERP Agreements for the three months and six months ended June 30, 2026 and 2025 was as follows:
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended
June 30, | | Six Months Ended
June 30, | | Affected Line Item in the Consolidated
Condensed Statements of Income | | (In thousands) | | 2026 | | 2025 | | 2026 | | 2025 | | | Service cost | | $ | 182 | | | $ | 194 | | | $ | 383 | | | $ | 388 | | | Employee benefits | | Interest cost | | 232 | | | 182 | | | 442 | | | 364 | | | Miscellaneous expense | | Total SERP expense | | $ | 414 | | | $ | 376 | | | $ | 825 | | | $ | 752 | | | |
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