
	Quarter Ended March 31, 2026
	Integrated Upstream and Gathering		Pipeline and Storage		Utility		Total Reportable Segments		All Other(4)		Corporate and Intersegment Eliminations(4)		Total Consolidated
	(Thousands)
Revenue from External Customers(1)	$	358,823	$	73,762	$	425,788	$	858,373	$	—	$	—	$	858,373
Intersegment Revenues	—		37,701		126		37,827		—		(37,827)		—
Total Revenues	358,823		111,463		425,914		896,200		—		(37,827)		858,373
Operation and Maintenance Expense(2):
Upstream General and Administrative Expense	18,472		—		—		18,472		—		(63)		18,409
Lease Operating Expense	17,362		—		—		17,362		—		(534)		16,828
Gathering Operation and Maintenance Expense	13,805		—		—		13,805		—		(69)		13,736
All Other Operation and Maintenance Expense	3,102		31,172		68,129		102,403		—		7,408		109,811
Purchased Gas Expense(2)	—		—		244,860		244,860		—		(37,009)		207,851
Depreciation, Depletion and Amortization Expense(2)	80,548		19,961		18,601		119,110		—		219		119,329

Interest Expense(2)	15,111		11,779		11,138		38,028		118		(4,412)		33,734
Interest Income	(380)		(870)		(1,165)		(2,415)		—		512		(1,903)
Income Tax Expense (Benefit)(2)	55,049		10,558		17,999		83,606		262		(1,133)		82,735


Other Expense (Income) Items(3)	3,724		7,257		1,003		11,984		(1,248)		(561)		10,175
Segment Profit: Net Income (Loss)	$	152,030	$	31,606	$	65,349	$	248,985	$	868	$	(2,185)	$	247,668

Expenditures for Additions to Long-Lived Assets	$	165,727	$	37,026	$	30,500	$	233,253	$	—	$	(297)	$	232,956



	Six Months Ended March 31, 2026
	Integrated Upstream and Gathering		Pipeline and Storage		Utility		Total Reportable Segments		All Other(4)		Corporate and Intersegment Eliminations(4)		Total Consolidated
	(Thousands)
Revenue from External Customers(1)	$	682,045	$	142,999	$	684,837	$	1,509,881	$	—	$	—	$	1,509,881
Intersegment Revenues	—		75,365		215		75,580		—		(75,580)		—
Total Revenues	682,045		218,364		685,052		1,585,461		—		(75,580)		1,509,881
Operation and Maintenance Expense(2):
Upstream General and Administrative Expense	37,878		—		—		37,878		—		(125)		37,753
Lease Operating Expense	34,187		—		—		34,187		—		(1,323)		32,864
Gathering Operation and Maintenance Expense	24,193		—		—		24,193		—		(138)		24,055
All Other Operation and Maintenance Expense	6,481		58,435		129,126		194,042		—		13,059		207,101
Purchased Gas Expense(2)	—		—		367,145		367,145		—		(73,688)		293,457
Depreciation, Depletion and Amortization Expense(2)	164,810		39,063		37,081		240,954		—		400		241,354

Interest Expense(2)	31,245		23,580		22,744		77,569		254		(713)		77,110
Interest Income	(573)		(1,835)		(2,203)		(4,611)		(10)		(60)		(4,681)
Income Tax Expense (Benefit)(2)	99,159		20,925		25,335		145,419		225		(3,572)		142,072
Other Expense (Income) Items(3)	8,588		15,371		6,385		30,344		(1,215)		354		29,483
Segment Profit: Net Income (Loss)	$	276,077	$	62,825	$	99,439	$	438,341	$	746	$	(9,774)	$	429,313

Expenditures for Additions to Long-Lived Assets	$	307,576	$	74,628	$	73,594	$	455,798	$	—	$	(121)	$	455,677


	Integrated Upstream and Gathering		Pipeline and Storage		Utility		Total Reportable Segments		All Other(4)		Corporate and Intersegment Eliminations(4)		Total Consolidated
	(Thousands)
Segment Assets:
At March 31, 2026	$	4,011,274	$	2,528,382	$	2,692,866	$	9,232,522	$	9,888	$	(114,806)	$	9,127,604
At September 30, 2025	$	3,701,646	$	2,412,747	$	2,534,289	$	8,648,682	$	8,704	$	61,718	$	8,719,104


	Quarter Ended March 31, 2025
	Integrated Upstream and Gathering		Pipeline and Storage		Utility		Total Reportable Segments		All Other(4)		Corporate and Intersegment Eliminations(4)		Total Consolidated
	(Thousands)
Revenue from External Customers(1)	$	315,191	$	71,185	$	343,574	$	729,950	$	—	$	—	$	729,950
Intersegment Revenues	—		38,388		119		38,507		—		(38,507)		—
Total Revenues	315,191		109,573		343,693		768,457		—		(38,507)		729,950
Operation and Maintenance Expense(2):
Upstream General and Administrative Expense	18,847		—		—		18,847		—		(59)		18,788
Lease Operating Expense	12,494		—		—		12,494		—		(1,623)		10,871
Gathering Operation and Maintenance Expense	9,160		—		—		9,160		—		(65)		9,095
All Other Operation and Maintenance Expense	3,310		30,642		64,444		98,396		—		3,719		102,115
Purchased Gas Expense(2)	—		—		171,777		171,777		—		(36,439)		135,338
Depreciation, Depletion and Amortization Expense(2)	75,456		18,547		17,135		111,138		—		139		111,277

Interest Expense(2)	22,824		11,700		10,927		45,451		131		(825)		44,757
Interest Income	(529)		(1,797)		(445)		(2,771)		—		519		(2,252)
Income Tax Expense (Benefit)(2)	44,879		10,961		16,677		72,517		(82)		(1,066)		71,369
Other Expense (Income) Items(3)	4,580		7,813		(366)		12,027		222		(15)		12,234
Segment Profit: Net Income (Loss)	$	124,170	$	31,707	$	63,544	$	219,421	$	(271)	$	(2,792)	$	216,358

Expenditures for Additions to Long-Lived Assets	$	123,363	$	15,626	$	41,867	$	180,856	$	—	$	174	$	181,030



	Six Months Ended March 31, 2025
	Integrated Upstream and Gathering		Pipeline and Storage		Utility		Total Reportable Segments		All Other(4)		Corporate and Intersegment Eliminations(4)		Total Consolidated
	(Thousands)
Revenue from External Customers(1)	$	567,499	$	139,935	$	571,998	$	1,279,432	$	—	$	—	$	1,279,432
Intersegment Revenues	—		76,251		203		76,454		—		(76,454)		—
Total Revenues	567,499		216,186		572,201		1,355,886		—		(76,454)		1,279,432
Operation and Maintenance Expense(2):
Upstream General and Administrative Expense	38,173		—		—		38,173		—		(118)		38,055
Lease Operating Expense	23,145		—		—		23,145		—		(3,210)		19,935
Gathering Operation and Maintenance Expense	15,894		—		—		15,894		—		(129)		15,765
All Other Operation and Maintenance Expense	7,178		57,677		120,704		185,559		—		6,281		191,840
Purchased Gas Expense(2)	—		—		273,249		273,249		—		(72,574)		200,675
Depreciation, Depletion and Amortization Expense(2)	149,274		37,132		33,962		220,368		—		279		220,647
Impairment of Assets (Significant Non-Cash Item)(2)	141,802		—		—		141,802		—		—		141,802
Interest Expense(2)	42,235		23,428		21,643		87,306		248		(5,054)		82,500
Interest Income	(1,208)		(3,803)		(1,094)		(6,105)		—		2,170		(3,935)
Income Tax Expense (Benefit)(2)	38,428		22,138		23,699		84,265		(141)		(1,573)		82,551
Other Expense (Income) Items(3)	8,040		15,452		3,995		27,487		358		408		28,253
Segment Profit: Net Income (Loss)	$	104,538	$	64,162	$	96,043	$	264,743	$	(465)	$	(2,934)	$	261,344

Expenditures for Additions to Long-Lived Assets	$	258,992	$	35,417	$	78,298	$	372,707	$	—	$	378	$	373,085