Quoted Prices
in Active
Markets
(Level 1)

Significant
Observable
Inputs
(Level 2)

Effects of
Netting and
Cash Margin
Receivables
/Payables

Total

As of March 31, 2026

ASSETS

Gas Utility:

U.S. stock/bond mutual funds

$

26.4

$

—

$

—

$

26.4

NYMEX/ICE natural gas contracts

2.8

—

(2.8

)

—

Gas Marketing:

NYMEX/ICE natural gas contracts

5.0

—

(5.0

)

—

Natural gas commodity contracts

—

90.2

(4.7

)

85.5

Other:

U.S. stock/bond mutual funds

18.5

—

—

18.5

U.S. bonds

27.1

—

—

27.1

Global bonds

1.0

—

—

1.0

Interest rate swaps

—

13.5

—

13.5

Total

$

80.8

$

103.7

$

(12.5

)

$

172.0

LIABILITIES

Gas Utility:

NYMEX/ICE natural gas contracts

$

13.4

$

—

$

(2.8

)

$

10.6

Gas Marketing:

NYMEX/ICE natural gas contracts

14.2

—

(14.2

)

—

Natural gas commodity contracts

—

33.4

(4.7

)

28.7

Total

$

27.6

$

33.4

$

(21.7

)

$

39.3

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, 2025

ASSETS

Gas Utility:

U.S. stock/bond mutual funds

$

27.5

$

—

$

—

$

27.5

NYMEX/ICE natural gas contracts

2.9

—

(2.9

)

—

Gas Marketing:

NYMEX/ICE natural gas contracts

11.4

—

(11.4

)

—

Natural gas commodity contracts

—

44.8

(2.7

)

42.1

Other:

U.S. stock/bond mutual funds

27.0

—

—

27.0

U.S. bonds

23.5

—

—

23.5

Global bonds

1.5

—

—

1.5

Interest rate swaps

—

10.0

—

10.0

Total

$

93.8

$

54.8

$

(17.0

)

$

131.6

LIABILITIES

Gas Utility:

NYMEX/ICE natural gas contracts

$

25.9

$

—

$

(1.3

)

$

24.6

Gas Marketing:

NYMEX/ICE natural gas contracts

19.0

—

(19.0

)

—

Natural gas commodity contracts

—

16.7

(2.7

)

14.0

Total

$

44.9

$

16.7

$

(23.0

)

$

38.6

As of March 31, 2025

ASSETS

Gas Utility:

U.S. stock/bond mutual funds

$

24.6

$

—

$

—

$

24.6

Gasoline and heating oil contracts

17.5

—

(17.5

)

—

Gas Marketing:

NYMEX/ICE natural gas contracts

16.6

—

(16.6

)

—

Natural gas commodity contracts

—

48.5

(3.6

)

44.9

Other:

U.S. stock/bond mutual funds

22.0

—

—

22.0

U.S. bonds

15.6

—

—

15.6

Global bonds

4.5

—

—

4.5

Interest rate swaps

—

10.7

—

10.7

Total

$

100.8

$

59.2

$

(37.7

)

$

122.3

LIABILITIES

Gas Utility:

NYMEX/ICE natural gas contracts

$

4.0

$

—

$

(4.0

)

$

—

Gas Marketing:

NYMEX/ICE natural gas contracts

19.4

—

(19.3

)

0.1

Natural gas commodity contracts

—

42.7

(3.6

)

39.1

Total

$

23.4

$

42.7

$

(26.9

)

$

39.2

Quoted Prices
in Active
Markets
(Level 1)

Significant
Observable
Inputs
(Level 2)

Effects of
Netting and
Cash Margin
Receivables
/Payables

Total

As of March 31, 2026

ASSETS

U.S. stock/bond mutual funds

$

26.4

$

—

$

—

$

26.4

NYMEX/ICE natural gas contracts

2.8

—

(2.8

)

—

Total

$

29.2

$

—

$

(2.8

)

$

26.4

LIABILITIES

NYMEX/ICE natural gas contracts

$

13.4

$

—

$

(2.8

)

$

10.6

As of September 30, 2025

ASSETS

U.S. stock/bond mutual funds

$

27.5

$

—

$

—

$

27.5

NYMEX/ICE natural gas contracts

2.9

—

(2.9

)

—

Total

$

30.4

$

—

$

(2.9

)

$

27.5

LIABILITIES

NYMEX/ICE natural gas contracts

$

25.9

$

—

$

(1.3

)

$

24.6

As of March 31, 2025

ASSETS

U.S. stock/bond mutual funds

$

24.6

$

—

$

—

$

24.6

NYMEX/ICE natural gas contracts

17.5

—

(17.5

)

—

Total

$

42.1

$

—

$

(17.5

)

$

24.6

LIABILITIES

NYMEX/ICE natural gas contracts

$

4.0

$

—

$

(4.0

)

$

—