Quoted Prices
in Active
Markets
(Level 1)

Significant
Observable
Inputs
(Level 2)

Effects of
Netting and
Cash Margin
Receivables
/Payables

Total

As of June 30, 2025

ASSETS

Gas Utility:

U.S. stock/bond mutual funds

$

26.3

$

—

$

—

$

26.3

NYMEX/ICE natural gas contracts

5.1

—

(5.1

)

—

Gas Marketing:

NYMEX/ICE natural gas contracts

8.6

—

(8.6

)

—

Natural gas commodity contracts

—

46.6

(2.1

)

44.5

Other:

U.S. stock/bond mutual funds

31.5

—

—

31.5

U.S. bonds

18.0

—

—

18.0

Global bonds

4.5

—

—

4.5

Interest rate swaps

—

11.6

—

11.6

Total

$

94.0

$

58.2

$

(15.8

)

$

136.4

LIABILITIES

Gas Utility:

NYMEX/ICE natural gas contracts

$

10.2

$

—

$

(5.1

)

$

5.1

Gas Marketing:

NYMEX/ICE natural gas contracts

14.0

—

(14.0

)

—

Natural gas commodity contracts

—

16.4

(2.1

)

14.3

Total

$

24.2

$

16.4

$

(21.2

)

$

19.4

Quoted Prices
in Active
Markets
(Level 1)

Significant
Observable
Inputs
(Level 2)

Effects of
Netting and
Cash Margin
Receivables
/Payables

Total

As of September 30, 2024

ASSETS

Gas Utility:

U.S. stock/bond mutual funds

$

24.3

$

—

$

—

$

24.3

NYMEX/ICE natural gas contracts

3.4

—

(3.4

)

—

Gas Marketing:

NYMEX/ICE natural gas contracts

7.0

—

(7.0

)

—

Natural gas commodity contracts

—

46.0

(3.5

)

42.5

Other:

U.S. stock/bond mutual funds

17.9

—

—

17.9

U.S. bonds

21.9

—

—

21.9

Global bonds

5.9

—

—

5.9

Interest rate swaps

—

0.8

—

0.8

Total

$

80.4

$

46.8

$

(13.9

)

$

113.3

LIABILITIES

Gas Utility:

NYMEX/ICE natural gas contracts

$

13.6

$

—

$

(3.8

)

$

9.8

Gas Marketing:

NYMEX/ICE natural gas contracts

17.7

—

(17.7

)

—

Natural gas commodity contracts

—

24.5

(3.5

)

21.0

Other:

Interest rate swaps

—

1.5

—

1.5

Total

$

31.3

$

26.0

$

(25.0

)

$

32.3

As of June 30, 2024

ASSETS

Gas Utility:

U.S. stock/bond mutual funds

$

24.5

$

—

$

—

$

24.5

NYMEX/ICE natural gas contracts

4.8

—

(4.8

)

—

Gas Marketing:

NYMEX/ICE natural gas contracts

6.1

—

(6.1

)

—

Natural gas commodity contracts

—

53.9

(2.8

)

51.1

Other:

U.S. stock/bond mutual funds

30.7

—

—

30.7

U.S. bonds

14.4

—

—

14.4

Global bonds

1.4

—

—

1.4

Interest rate swaps

—

32.2

—

32.2

Total

$

81.9

$

86.1

$

(13.7

)

$

154.3

LIABILITIES

Gas Utility:

NYMEX/ICE natural gas contracts

$

21.0

$

—

$

(21.0

)

$

—

Gas Marketing:

NYMEX/ICE natural gas contracts

22.6

—

(22.6

)

—

Natural gas commodity contracts

—

29.8

(2.8

)

27.0

Total

$

43.6

$

29.8

$

(46.4

)

$

27.0

Quoted Prices
in Active
Markets
(Level 1)

Significant
Observable
Inputs
(Level 2)

Effects of
Netting and
Cash Margin
Receivables
/Payables

Total

As of June 30, 2025

ASSETS

U.S. stock/bond mutual funds

$

26.3

$

—

$

—

$

26.3

NYMEX/ICE natural gas contracts

5.1

—

(5.1

)

—

Total

$

31.4

$

—

$

(5.1

)

$

26.3

LIABILITIES

NYMEX/ICE natural gas contracts

$

10.2

$

—

$

(5.1

)

$

5.1

Total

$

10.2

$

—

$

(5.1

)

$

5.1

As of September 30, 2024

ASSETS

U.S. stock/bond mutual funds

$

24.3

$

—

$

—

$

24.3

NYMEX/ICE natural gas contracts

3.4

—

(3.4

)

—

Total

$

27.7

$

—

$

(3.4

)

$

24.3

LIABILITIES

NYMEX/ICE natural gas contracts

$

13.6

$

—

$

(3.8

)

$

9.8

As of June 30, 2024

ASSETS

U.S. stock/bond mutual funds

$

24.5

$

—

$

—

$

24.5

NYMEX/ICE natural gas contracts

4.8

—

(4.8

)

—

Total

$

29.3

$

—

$

(4.8

)

$

24.5

LIABILITIES

NYMEX/ICE natural gas contracts

$

21.0

$

—

$

(21.0

)

$

—