Three Months Ended

March 31,

(in millions)

2024

2023

Operating revenues:

Core Commercial

$

571.0

$

544.7

Specialty

342.5

330.5

Personal Lines

628.4

587.8

Other

3.7

3.7

Total

1,545.6

1,466.7

Net realized and unrealized investment gains (losses)

5.5

(23.0

)

Total revenues

$

1,551.1

$

1,443.7

Operating income (loss) before interest expense and income taxes:

Core Commercial:

Underwriting income (loss)

$

30.9

$

(24.8

)

Net investment income

40.8

36.1

Other expense

(0.2

)

(0.1

)

Core Commercial operating income

71.5

11.2

Specialty:

Underwriting income

38.9

30.7

Net investment income

20.3

17.0

Other income (expense)

(0.4

)

0.6

Specialty operating income

58.8

48.3

Personal Lines:

Underwriting loss

(9.1

)

(72.2

)

Net investment income

25.6

22.6

Other income

2.4

3.0

Personal Lines operating income (loss)

18.9

(46.6

)

Other:

Underwriting income

—

—

Net investment income

3.0

3.0

Other expense

(2.5

)

(2.7

)

Other operating income

0.5

0.3

Operating income before interest expense and income taxes

149.7

13.2

Interest on debt

(8.5

)

(8.5

)

Operating income before income taxes

141.2

4.7

Non-operating items:

Net realized and unrealized investment gains (losses)

5.5

(23.0

)

Other non-operating

(1.4

)

0.8

Income (loss) from continuing operations before income taxes

$

145.3

$

(17.5

)