Three Months Ended March 31,

Defined Benefit Pension Plans

Retiree Health Care Plan

2026

2025

2026

2025

Service cost

$

3.6

$

3.6

$

-

$

-

Interest cost

5.7

4.7

0.1

0.1

Expected return on assets

(5.3

)

(4.8

)

-

-

Net (gain) loss

(0.2

)

0.1

-

-

Prior service cost (credit)

0.1

0.1

(0.2

)

(0.2

)

Total benefit cost (credit)

$

3.9

$

3.7

$

(0.1

)

$

(0.1

)