Guarantor Subsidiaries

Certain of the Company’s 100% owned, domestic subsidiaries (the “Guarantor Subsidiaries”) fully and unconditionally guarantee, on a joint and several basis, certain of the outstanding indebtedness of the Company, including the 6.00% senior notes due 2023 and the 5.625% senior notes due 2027. The following consolidating schedules present financial information on a consolidated basis in conformity with the SEC’s Regulation S-X Rule 3-10(d):

CONSOLIDATING BALANCE SHEET



(Millions of dollars, except share amounts)	September 30, 2018
Assets	Parent Company			Issuer			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Consolidated
Current assets
Cash and cash equivalents	$	—		$	74.7		$	0.7		$	—		$	—		$	75.4
Accounts receivable—trade, less allowance for doubtful accounts of $1.1 in 2018	—			231.2			—			—			—			231.2
Inventories, at lower of cost or market	—			215.1			—			—			—			215.1
Prepaid expenses and other current assets	—			19.6			—			—			—			19.6
Total current assets	—			540.6			0.7			—			—			541.3
Property, plant and equipment, at cost less accumulated depreciation and amortization of $944.4 in 2018	—			1,739.9			2.0			—			—			1,741.9
Investments in subsidiaries	2,359.5			144.8			—			—			(2,504.3		)	—
Other assets	—			42.4			—			—			—			42.4
Total assets	$	2,359.5		$	2,467.7		$	2.7		$	—		$	(2,504.3	)	$	2,325.6
Liabilities and Stockholders' Equity
Current liabilities
Current maturities of long-term debt	$	—		$	21.2		$	—		$	—		$	—		$	21.2
Inter-company accounts payable	973.6			(770.0		)	(49.3		)	(154.3		)	—			—
Trade accounts payable and accrued liabilities	—			519.6			—			—			—			519.6
Total current liabilities	973.6			(229.2		)	(49.3		)	(154.3		)	—			540.8
Long-term debt, including capitalized lease obligations	—			846.6			—			—			—			846.6
Deferred income taxes	—			168.1			—			—			—			168.1
Asset retirement obligations	—			30.0			—			—			—			30.0
Deferred credits and other liabilities	—			11.2			—			—			—			11.2
Total liabilities	973.6			826.7			(49.3		)	(154.3		)	—			1,596.7
Stockholders' Equity
Preferred Stock, par $0.01 (authorized 20,000,000 shares, none outstanding)	—			—			—			—			—			—
Common Stock, par 0.01 (authorized 200,000,000 shares, 46,767,164 shares issued at June 30, 2018)	0.5			—			0.1			—			(0.1		)	0.5
Treasury Stock (14,526,155 shares held at September 30, 2018)	(941.6		)	—			—			—			—			(941.6		)
Additional paid in capital (APIC)	1,196.4			571.9			52.0			87.5			(1,368.4		)	539.4
Retained earnings	1,130.6			1,069.1			(0.1		)	66.8			(1,135.8		)	1,130.6
Total stockholders' equity	1,385.9			1,641.0			52.0			154.3			(2,504.3		)	728.9
Total liabilities and stockholders' equity	$	2,359.5		$	2,467.7		$	2.7		$	—		$	(2,504.3	)	$	2,325.6

CONSOLIDATING BALANCE SHEET



(Millions of dollars, except share amounts)	December 31, 2017
Assets	Parent Company			Issuer			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Consolidated
Current assets
Cash and cash equivalents	$	—		$	169.9		$	0.1		$	—		$	—		$	170.0
Accounts receivable—trade, less allowance for doubtful accounts of $1.1 in 2017	—			225.2			—			—			—			225.2
Inventories, at lower of cost or market	—			182.5			—			—			—			182.5
Prepaid expenses and other current assets	—			36.5			—			—			—			36.5
Total current assets	—			614.1			0.1			—			—			614.2
Property, plant and equipment, at cost less accumulated depreciation and amortization of $874.7 in 2017	—			1,678.3			1.2			—			—			1,679.5
Investments in subsidiaries	2,223.4			144.9			—			—			(2,368.3		)	—
Other assets	—			37.3			—			—			—			37.3
Total assets	$	2,223.4		$	2,474.6		$	1.3		$	—		$	(2,368.3	)	$	2,331.0
Liabilities and Stockholders' Equity
Current liabilities
Current maturities of long-term debt	$	—		$	19.9		$	—		$	—		$	—		$	19.9
Inter-company accounts payable	829.2			(624.1		)	(50.8		)	(154.3		)	—			—
Trade accounts payable and accrued liabilities	—			513.4			—			—			—			513.4
Total current liabilities	829.2			(90.8		)	(50.8		)	(154.3		)	—			533.3
Long-term debt, including capitalized lease obligations	—			860.9			—			—			—			860.9
Deferred income taxes	—			154.2			—			—			—			154.2
Asset retirement obligations	—			28.2			—			—			—			28.2
Deferred credits and other liabilities	—			16.0			—			—			—			16.0
Total liabilities	829.2			968.5			(50.8		)	(154.3		)	—			1,592.6
Stockholders' Equity
Preferred Stock, par $0.01 (authorized 20,000,000 shares, none outstanding)	—			—			—			—			—			—
Common Stock, par $0.01 (authorized 200,000,000 shares, 46,767,164 shares issued at December 31, 2017)	0.5			—			0.1			—			(0.1		)	0.5
Treasury Stock (12,675,630 shares held at December 31, 2017)	(806.5		)	—			—			—			—			(806.5		)
Additional paid in capital (APIC)	1,205.7			573.1			52.0			87.5			(1,368.4		)	549.9
Retained earnings	994.5			933.0			—			66.8			(999.8		)	994.5
Total stockholders' equity	1,394.2			1,506.1			52.1			154.3			(2,368.3		)	738.4
Total liabilities and stockholders' equity	$	2,223.4		$	2,474.6		$	1.3		$	—		$	(2,368.3	)	$	2,331.0

CONSOLIDATING INCOME STATEMENT



(Millions of dollars)	Three Months Ended September 30, 2018
Operating Revenues	Parent Company		Issuer			Guarantor Subsidiaries		Non-Guarantor Subsidiaries		Eliminations			Consolidated
Petroleum product sales	$	—	$	3,151.5		$	—	$	—	$	—		$	3,151.5
Merchandise sales	—		623.7			—		—		—			623.7
Other operating revenues	—		12.8			—		—		—			12.8
Total operating revenues	—		3,788.0			—		—		—			3,788.0

Operating Expenses
Petroleum product cost of goods sold	—		2,991.3			—		—		—			2,991.3
Merchandise cost of goods sold	—		519.2			—		—		—			519.2
Station and other operating expenses	—		139.7			—		—		—			139.7
Depreciation and amortization	—		34.2			—		—		—			34.2
Selling, general and administrative	—		32.6			—		—		—			32.6
Accretion of asset retirement obligations	—		0.5			—		—		—			0.5
Total operating expenses	—		3,717.5			—		—		—			3,717.5

Net settlement proceeds	—		—			—		—		—			—
Gain (loss) on sale of assets	—		(0.5		)	—		—		—			(0.5		)
Income (loss) from operations	—		70.0			—		—		—			70.0

Other income (expense)
Interest income	—		0.2			—		—		—			0.2
Interest expense	—		(13.2		)	—		—		—			(13.2		)
Other nonoperating income	—		—			—		—		—			—
Total other income (expense)	—		(13.0		)	—		—		—			(13.0		)
Income (loss) before income taxes	—		57.0			—		—		—			57.0
Income tax expense	—		12.0			—		—		—			12.0
Income (loss)	—		45.0			—		—		—			45.0
Equity earnings in affiliates, net of tax	45.0		—			—		—		(45.0		)	—
Net Income (Loss)	$	45.0	$	45.0		$	—	$	—	$	(45.0	)	$	45.0

CONSOLIDATING INCOME STATEMENT



(Millions of dollars)	Three Months Ended September 30, 2017
Operating Revenues	Parent Company		Issuer			Guarantor Subsidiaries		Non-Guarantor Subsidiaries		Eliminations			Consolidated
Petroleum product sales	$	—	$	2,580.9		$	—	$	—	$	—		$	2,580.9
Merchandise sales	—		605.6			—		—		—			605.6
Other operating revenues	—		49.8			—		—		—			49.8
Total operating revenues	—		3,236.3			—		—		—			3,236.3

Operating Expenses
Petroleum product cost of goods sold	—		2,419.1			—		—		—			2,419.1
Merchandise cost of goods sold	—		507.9			—		—		—			507.9
Station and other operating expenses	—		130.4			—		—		—			130.4
Depreciation and amortization	—		29.0			—		—		—			29.0
Selling, general and administrative	—		31.5			—		—		—			31.5
Accretion of asset retirement obligations	—		0.4			—		—		—			0.4
Total operating expenses	—		3,118.3			—		—		—			3,118.3

Net settlement proceeds	—		—			—		—		—			—
Gain (loss) on sale of assets	—		—			—		—		—			—
Income (loss) from operations	—		118.0			—		—		—			118.0

Other income (expense)
Interest income	—		0.4			—		—		—			0.4
Interest expense	—		(12.7		)	—		—		—			(12.7		)
Other nonoperating income	—		3.0			—		—		—			3.0
Total other income (expense)	—		(9.3		)	—		—		—			(9.3		)
Income (loss) before income taxes	—		108.7			—		—		—			108.7
Income tax expense	—		40.8			—		—		—			40.8
Income (loss)	—		67.9			—		—		—			67.9
Equity earnings in affiliates, net of tax	67.9		—			—		—		(67.9		)	—
Net Income (Loss)	$	67.9	$	67.9		$	—	$	—	$	(67.9	)	$	67.9

CONSOLIDATING INCOME STATEMENT



(Millions of dollars)	Nine Months Ended September 30, 2018
Operating Revenues	Parent Company		Issuer			Guarantor Subsidiaries			Non-Guarantor Subsidiaries		Eliminations			Consolidated
Petroleum product sales	$	—	$	8,982.8		$	—		$	—	$	—		$	8,982.8
Merchandise sales	—		1,807.5			—			—		—			1,807.5
Other operating revenues	—		70.9			—			—		—			70.9
Total operating revenues	—		10,861.2			—			—		—			10,861.2

Operating Expenses
Petroleum product cost of goods sold	—		8,584.9			—			—		—			8,584.9
Merchandise cost of goods sold	—		1,509.2			—			—		—			1,509.2
Station and other operating expenses	—		401.9			—			—		—			401.9
Depreciation and amortization	—		99.0			—			—		—			99.0
Selling, general and administrative	—		102.3			—			—		—			102.3
Accretion of asset retirement obligations	—		1.5			—			—		—			1.5
Total operating expenses	—		10,698.8			—			—		—			10,698.8

Net settlement proceeds	—		50.4			—			—		—			50.4
Gain (loss) on sale of assets	—		(0.7		)	—			—		—			(0.7		)
Income (loss) from operations	—		212.1			—			—		—			212.1

Other income (expense)
Interest income	—		0.8			—			—		—			0.8
Interest expense	—		(39.6		)	—			—		—			(39.6		)
Other nonoperating income	—		0.2			(0.1		)	—		—			0.1
Total other income (expense)	—		(38.6		)	(0.1		)	—		—			(38.7		)
Income (loss) before income taxes	—		173.5			(0.1		)	—		—			173.4
Income tax expense	—		37.3			—			—		—			37.3
Income (loss)	—		136.2			(0.1		)	—		—			136.1
Equity earnings in affiliates, net of tax	136.1		(0.1		)	—			—		(136.0		)	—
Net Income (Loss)	$	136.1	$	136.1		$	(0.1	)	$	—	$	(136.0	)	$	136.1

CONSOLIDATING INCOME STATEMENT



(Millions of dollars)	Nine Months Ended September 30, 2017
Operating Revenues	Parent Company		Issuer			Guarantor Subsidiaries		Non-Guarantor Subsidiaries		Eliminations			Consolidated
Petroleum product sales	$	—	$	7,550.9		$	—	$	—	$	—		$	7,550.9
Merchandise sales	—		1,777.1			—		—		—			1,777.1
Other operating revenues	—		119.0			—		—		—			119.0
Total operating revenues	—		9,447.0			—		—		—			9,447.0

Operating Expenses
Petroleum product cost of goods sold	—		7,161.6			—		—		—			7,161.6
Merchandise cost of goods sold	—		1,492.9			—		—		—			1,492.9
Station and other operating expenses	—		384.6			—		—		—			384.6
Depreciation and amortization	—		83.5			—		—		—			83.5
Selling, general and administrative	—		101.1			—		—		—			101.1
Accretion of asset retirement obligations	—		1.3			—		—		—			1.3
Total operating expenses	—		9,225.0			—		—		—			9,225.0

Net settlement proceeds	—		—			—		—		—			—
Gain (loss) on sale of assets	—		(3.4		)	—		—		—			(3.4		)
Income (loss) from operations	—		218.6			—		—		—			218.6

Other income (expense)
Interest income	—		0.8			—		—		—			0.8
Interest expense	—		(33.8		)	—		—		—			(33.8		)
Other nonoperating income	—		3.2			—		—		—			3.2
Total other income (expense)	—		(29.8		)	—		—		—			(29.8		)
Income (loss) before income taxes	—		188.8			—		—		—			188.8
Income tax expense	—		68.4			—		—		—			68.4
Income (loss)	—		120.4			—		—		—			120.4
Equity earnings in affiliates, net of tax	120.4		—			—		—		(120.4		)	—
Net Income (Loss)	$	120.4	$	120.4		$	—	$	—	$	(120.4	)	$	120.4

CONSOLIDATING STATEMENT OF CASH FLOW



(Millions of dollars)	Nine Months Ended September 30, 2018
Operating Activities	Parent Company			Issuer			Guarantor Subsidiaries			Non-Guarantor Subsidiaries		Eliminations			Consolidated
Net income (loss)	$	136.1		$	136.1		$	(0.1	)	$	—	$	(136.0	)	$	136.1
Adjustments to reconcile net income (loss) to net cash provided by (required by) operating activities
Depreciation and amortization	—			99.0			—			—		—			99.0
Deferred and noncurrent income tax charges (credits)	—			13.9			—			—		—			13.9
Accretion of asset retirement obligations	—			1.5			—			—		—			1.5
(Gain) loss on sale of assets	—			0.7			—			—		—			0.7
Net (increase) decrease in noncash operating working capital	—			(15.8		)	—			—		—			(15.8		)
Equity in earnings of affiliates	(136.1		)	0.1			—			—		136.0			—
Other operating activities - net	—			6.0			—			—		—			6.0
Net cash provided by (required by) operating activities	—			241.5			(0.1		)	—		—			241.4
Investing Activities
Property additions	—			(162.2		)	(0.8		)	—		—			(163.0		)
Proceeds from sale of assets	—			1.2			—			—		—			1.2
Other investing activities - net	—			(5.9		)	—			—		—			(5.9		)
Net cash provided by (required by) investing activities	—			(166.9		)	(0.8		)	—		—			(167.7		)
Financing Activities
Purchase of treasury stock	(144.4		)	—			—			—		—			(144.4		)
Borrowings of debt	—			—			—			—		—			—
Repayments of debt	—			(15.9		)	—			—		—			(15.9		)
Debt issuance costs	—			—			—			—		—			—
Amounts related to share-based compensation	—			(8.0		)	—			—		—			(8.0		)
Net distributions to parent	144.4			(145.9		)	1.5			—		—			—
Net cash provided by (required by) financing activities	—			(169.8		)	1.5			—		—			(168.3		)
Net increase (decrease) in cash and cash equivalents	—			(95.2		)	0.6			—		—			(94.6		)
Cash, cash equivalents, and restricted cash at January 1	—			169.9			0.1			—		—			170.0
Cash, cash equivalents, and restricted cash at September 30	$	—		$	74.7		$	0.7		$	—	$	—		$	75.4

Reconciliation of Cash, Cash Equivalents and Restricted Cash
Cash and cash equivalents at beginning of period	$	—		$	169.9		$	0.1		$	—	$	—		$	170.0
Restricted cash at beginning of period	—			—			—			—		—			—
Cash, cash equivalents, and restricted cash at beginning of period	$	—		$	169.9		$	0.1		$	—	$	—		$	170.0

Cash and cash equivalents at end of period	$	—		$	74.7		$	0.7		$	—	$	—		$	75.4
Restricted cash at end of period	—			—			—			—		—			—
Cash, cash equivalents, and restricted cash at end of period	$	—		$	74.7		$	0.7		$	—	$	—		$	75.4

CONSOLIDATING STATEMENT OF CASH FLOW



(Millions of dollars)	Nine Months Ended September 30, 2017
Operating Activities	Parent Company			Issuer			Guarantor Subsidiaries			Non-Guarantor Subsidiaries		Eliminations			Consolidated
Net income (loss)	$	120.4		$	120.4		$	—		$	—	$	(120.4	)	$	120.4
Adjustments to reconcile net income (loss) to net cash provided by (required by)operating activities
Depreciation and amortization	—			83.5			—			—		—			83.5
Deferred and noncurrent income tax charges (credits)	—			17.4			—			—		—			17.4
Accretion of asset retirement obligations	—			1.3			—			—		—			1.3
Pretax (gains) losses from sale of assets	—			3.4			—			—		—			3.4
Net (increase) decrease in noncash operating working capital	—			(58.3		)	—			—		—			(58.3		)
Equity in earnings of affiliates	(120.4		)	—			—			—		120.4			—
Other operating activities - net	—			(1.4		)	—			—		—			(1.4		)
Net cash provided by (required by) operating activities	—			166.3			—			—		—			166.3
Investing Activities
Property additions	—			(200.7		)	(0.8		)	—		—			(201.5		)
Proceeds from sale of assets	—			0.7			—			—		—			0.7
Other investing activities - net	—			(4.6		)	—			—		—			(4.6		)
Net cash provided by (required by) investing activities	—			(204.6		)	(0.8		)	—		—			(205.4		)
Financing Activities
Purchase of treasury stock	(152.0		)	—			—			—		—			(152.0		)
Borrowings of debt	—			338.8			—			—		—			338.8
Repayments of debt	—			(126.2		)	—			—		—			(126.2		)
Debt issuance costs	—			(1.1		)	—			—		—			(1.1		)
Amounts related to share-based compensation	—			(5.2		)	—			—		—			(5.2		)
Net distributions to parent	152.0			(152.8		)	0.8			—		—			—
Net cash provided by (required) by financing activities	—			53.5			0.8			—		—			54.3
Net increase (decrease) in cash and cash equivalents	—			15.2			—			—		—			15.2
Cash, cash equivalents, and restricted cash at January 1	—			153.8			—			—		—			153.8
Cash, cash equivalents, and restricted cash at September 30	$	—		$	169.0		$	—		$	—	$	—		$	169.0

Reconciliation of Cash, Cash Equivalents and Restricted Cash
Cash and cash equivalents at beginning of period	$	—		$	153.8		$	—		$	—	$	—		$	153.8
Restricted cash at beginning of period	—			—			—			—		—			—
Cash, cash equivalents, and restricted cash at beginning of period	$	—		$	153.8		$	—		$	—	$	—		$	153.8

Cash and cash equivalents at end of period	$	—		$	169.0		$	—		$	—	$	—		$	169.0
Restricted cash at end of period	—			—			—			—		—			—
Cash, cash equivalents, and restricted cash at end of period	$	—		$	169.0		$	—		$	—	$	—		$	169.0

CONSOLIDATING STATEMENT OF CHANGES IN EQUITY



(Millions of dollars)	Nine Months Ended September 30, 2018
Statement of Stockholders' Equity	Parent Company			Issuer			Guarantor Subsidiaries			Non-Guarantor Subsidiaries		Eliminations			Consolidated
Common Stock
Balance as of December 31, 2017	$	0.5		$	—		$	0.1		$	—	$	(0.1	)	$	0.5
Issuance of common stock	—			—			—			—		—			—
Balance as of September 30, 2018	$	0.5		$	—		$	0.1		$	—	$	(0.1	)	$	0.5
Treasury Stock
Balance as of December 31, 2017	$	(806.5	)	$	—		$	—		$	—	$	—		$	(806.5	)
Issuance of treasury stock	9.3			—			—			—		—			9.3
Repurchase of treasury stock	(144.4		)	—			—			—		—			(144.4		)
Balance as of September 30, 2018	$	(941.6	)	$	—		$	—		$	—	$	—		$	(941.6	)
APIC
Balance as of December 31, 2017	$	1,205.7		$	573.1		$	52.0		$	87.5	$	(1,368.4	)	$	549.9
Issuance of treasury stock	(9.3		)	—			—			—		—			(9.3		)
Amounts related to share-based compensation	—			(8.0		)	—			—		—			(8.0		)
Share-based compensation expense	—			6.8			—			—		—			6.8
Balance as of September 30, 2018	$	1,196.4		$	571.9		$	52.0		$	87.5	$	(1,368.4	)	$	539.4
Retained Earnings
Balance as of December 31, 2017	$	994.5		$	933.0		$	—		$	66.8	$	(999.8	)	$	994.5
Net income (loss)	136.1			136.1			(0.1		)	—		(136.0		)	136.1
Balance as of September 30, 2018	$	1,130.6		$	1,069.1		$	(0.1	)	$	66.8	$	(1,135.8	)	$	1,130.6

CONSOLIDATING STATEMENT OF CHANGES IN EQUITY



(Millions of dollars)	Nine Months Ended September 30, 2017
Statement of Stockholders' Equity	Parent Company			Issuer			Guarantor Subsidiaries		Non-Guarantor Subsidiaries		Eliminations			Consolidated
Common Stock
Balance as of December 31, 2016	$	0.5		$	—		$	0.1	$	—	$	(0.1	)	$	0.5
Issuance of common stock	—			—			—		—		—			—
Balance as of September 30, 2017	$	0.5		$	—		$	0.1	$	—	$	(0.1	)	$	0.5
Treasury Stock
Balance as of December 31, 2016	$	(608.0	)	$	—		$	—	$	—	$	—		$	(608.0	)
Issuance of treasury stock	7.0			—			—		—		—			7.0
Repurchase of treasury stock	(152.0		)	—			—		—		—			(152.0		)
Balance as of September 30, 2017	$	(753.0	)	$	—		$	—	$	—	$	—		$	(753.0	)
APIC
Balance as of December 31, 2016	$	1,213.1		$	571.1		$	52.0	$	87.5	$	(1,368.4	)	$	555.3
Issuance of treasury stock	(6.9		)	—			—		—		—			(6.9		)
Amounts related to share-based compensation	—			(5.2		)	—		—		—			(5.2		)
Share-based compensation expense	—			4.7			—		—		—			4.7
Balance as of September 30, 2017	$	1,206.2		$	570.6		$	52.0	$	87.5	$	(1,368.4	)	$	547.9
Retained Earnings
Balance as of December 31, 2016	$	749.3		$	687.8		$	—	$	66.8	$	(754.6	)	$	749.3
Net income (loss)	120.4			120.4			—		—		(120.4		)	120.4
Balance as of September 30, 2017	$	869.7		$	808.2		$	—	$	66.8	$	(875.0	)	$	869.7