Consolidating Income Statement

Three Months Ended June 30, 2026

Electric Utilities

Gas Utilities

Total Reportable Segments

Corporate
and Other

Total

(in millions)

Revenue -

External Customers

$

223.8

$

229.0

$

452.8

$

—

$

452.8

Inter-segment

2.5

1.5

4.0

(4.0

)

—

Total revenue

226.3

230.5

456.8

(4.0

)

452.8

Fuel, purchased power and cost of natural gas sold

49.7

63.9

113.6

(0.1

)

113.5

Operations and maintenance (a) -

Direct

33.4

41.3

74.7

3.3

78.0

Allocated

32.1

40.4

72.5

—

72.5

Depreciation and amortization

40.9

34.4

75.3

—

75.3

Taxes other than income taxes

9.1

7.4

16.5

—

16.5

Total operating expenses

165.2

187.4

352.6

3.2

355.8

Operating income (loss)

$

61.1

$

43.1

$

104.2

$

(7.2

)

$

97.0

Interest expense, net

(51.6

)

Other income (expense), net

0.2

Income tax (expense)

(5.2

)

Net income

40.4

Net income attributable to non-controlling interest

(2.2

)

Net income available for common stock

$

38.2

Consolidating Income Statement

Three Months Ended June 30, 2025

Electric Utilities

Gas Utilities

Total Reportable Segments

Corporate
and Other

Total

(in millions)

Revenue -

External Customers

$

217.5

$

221.5

$

439.0

$

—

$

439.0

Inter-segment

2.4

1.5

3.9

(3.9

)

—

Total revenue

219.9

223.0

442.9

(3.9

)

439.0

Fuel, purchased power and cost of natural gas sold

55.3

68.9

124.2

(0.2

)

124.0

Operations and maintenance (a) -

Direct

36.1

38.9

75.0

(1.7

)

73.3

Allocated

33.1

41.2

74.3

—

74.3

Depreciation and amortization

37.5

32.3

69.8

—

69.8

Taxes other than income taxes

8.9

6.2

15.1

—

15.1

Total operating expenses

170.9

187.5

358.4

(1.9

)

356.5

Operating income

$

49.0

$

35.5

$

84.5

$

(2.0

)

$

82.5

Interest expense, net

(48.9

)

Other income (expense), net

(0.4

)

Income tax (expense)

(4.4

)

Net income

28.8

Net income attributable to non-controlling interest

(1.3

)

Net income available for common stock

$

27.5

Consolidating Income Statement

Six Months Ended June 30, 2026

Electric Utilities

Gas Utilities

Total Reportable Segments

Corporate
and Other

Total

(in millions)

Revenue -

External Customers

$

462.8

$

770.7

$

1,233.5

$

—

$

1,233.5

Inter-segment

5.1

2.9

8.0

(8.0

)

—

Total revenue

467.9

773.6

1,241.5

(8.0

)

1,233.5

Fuel, purchased power and cost of natural gas sold

116.5

335.1

451.6

(0.3

)

451.3

Operations and maintenance (a) -

Direct

66.5

81.7

148.2

1.5

149.7

Allocated

65.0

83.9

148.9

—

148.9

Depreciation and amortization

81.4

68.7

150.1

—

150.1

Taxes other than income taxes

18.3

16.2

34.5

—

34.5

Total operating expenses

347.7

585.6

933.3

1.2

934.5

Operating income (loss)

$

120.2

$

188.0

$

308.2

$

(9.2

)

$

299.0

Interest expense, net

(103.5

)

Other income, net

0.8

Income tax (expense)

(22.8

)

Net income

173.5

Net income attributable to non-controlling interest

(4.3

)

Net income available for common stock

$

169.2

Consolidating Income Statement

Six Months Ended June 30, 2025

Electric Utilities

Gas Utilities

Total Reportable Segments

Corporate
and Other

Total

(in millions)

Revenue -

External Customers

$

451.8

$

792.4

$

1,244.2

$

—

$

1,244.2

Inter-segment

4.8

3.0

7.8

(7.8

)

—

Total revenue

456.6

795.4

1,252.0

(7.8

)

1,244.2

Fuel, purchased power and cost of natural gas sold

122.5

361.4

483.9

(0.1

)

483.8

Operations and maintenance (a) -

—

Direct

71.8

83.0

154.8

(4.8

)

150.0

Allocated

66.2

85.1

151.3

—

151.3

Depreciation and amortization

74.6

64.4

139.0

—

139.0

Taxes other than income taxes

18.2

14.5

32.7

—

32.7

Total operating expenses

353.3

608.4

961.7

(4.9

)

956.8

Operating income (loss)

$

103.3

$

187.0

$

290.3

$

(2.9

)

$

287.4

Interest expense, net

(100.3

)

Other income, net

0.6

Income tax (expense)

(22.5

)

Net income

165.2

Net income attributable to non-controlling interest

(3.5

)

Net income available for common stock

$

161.7