Balance at December 31, 2025

Other comprehensive gain (loss) before reclassifications

Amounts reclassified from accumulated other comprehensive income: (1)

Balance at March 31, 2026

(1) Amounts reclassified from accumulated other comprehensive income:

Amortization of Other Postretirement Benefit items:

Actuarial gains

Tax expense

Reclassification net of tax

Realized gains on interest rate swaps reclassified to interest expense

Tax expense

Reclassification net of tax

Balance at December 31, 2024

Other comprehensive gain (loss) before reclassifications

Amounts reclassified from accumulated other comprehensive income: (1)

Balance at March 31, 2025

(1) Amounts reclassified from accumulated other comprehensive income:

Amortization of Other Postretirement Benefit items:

Actuarial gains

Tax expense

Reclassification net of tax

Realized gains on interest rate swaps reclassified to interest expense

Tax expense

Reclassification net of tax