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, 2026

ASSETS

Gas Utility:

U.S. stock/bond mutual funds

$

29.0

$

—

$

—

$

29.0

NYMEX/ICE natural gas contracts

2.3

—

(2.3

)

—

Other:

U.S. stock/bond mutual funds

19.3

—

—

19.3

U.S. bonds

25.1

—

—

25.1

Global bonds

1.0

—

—

1.0

Interest rate derivatives

—

16.3

—

16.3

Total

$

76.7

$

16.3

$

(2.3

)

$

90.7

LIABILITIES

Gas Utility:

NYMEX/ICE natural gas contracts

$

14.3

$

—

$

(2.3

)

$

12.0

Other:

Interest rate derivatives

—

2.6

—

2.6

Total

$

14.3

$

2.6

$

(2.3

)

$

14.6

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 June 30, 2025

ASSETS

Gas Utility:

U.S. stock/bond mutual funds

$

26.3

$

—

$

—

$

26.3

Gasoline and heating oil 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 June 30, 2026

ASSETS

U.S. stock/bond mutual funds

$

29.0

$

—

$

—

$

29.0

NYMEX/ICE natural gas contracts

2.3

—

(2.3

)

—

Total

$

31.3

$

—

$

(2.3

)

$

29.0

LIABILITIES

NYMEX/ICE natural gas contracts

$

14.3

$

—

$

(2.3

)

$

12.0

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 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