10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)
☒	QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended July 1, 2023

OR

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from                      to                       

Commission file numbers:

001-36873 (Summit Materials, Inc.)

333-187556 (Summit Materials, LLC)

SUMMIT MATERIALS, INC.

SUMMIT MATERIALS, LLC

(Exact name of registrants as specified in their charters)

Delaware (Summit Materials, Inc.)	47-1984212
Delaware (Summit Materials, LLC)	26-4138486
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
1801 California Street, Suite 3500	80202
Denver, Colorado	(Zip Code)
(Address of principal executive offices)

Registrants’ telephone number, including area code: (303) 893-0012

Not Applicable

(Former name, former address and former fiscal year, if changed since last report)

Securities registered pursuant to Section 12(b) of the Act:
Title of each class	Trading symbol(s)	Name of each exchange on which registered
Class A Common Stock (par value $.01 per share)	SUM	New York Stock Exchange

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.
Summit Materials, Inc.	Yes	☒	No	☐	Summit Materials, LLC	Yes	☒	No	☐
Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S‑T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).
Summit Materials, Inc.	Yes	☒	No	☐	Summit Materials, LLC	Yes	☒	No	☐
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act.
Summit Materials, Inc.
Large accelerated filer	☒				Accelerated filer		☐
Non-accelerated filer	☐				Smaller reporting company		☐
					Emerging growth company		☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.									☐
Summit Materials, LLC
Large accelerated filer	☐				Accelerated filer		☐
Non-accelerated filer	☒				Smaller reporting company		☐
					Emerging growth company		☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.									☐
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).
Summit Materials, Inc.	Yes	☐	No	☒	Summit Materials, LLC	Yes	☐	No	☒

As of July 31, 2023, the number of shares of Summit Materials, Inc.’s outstanding Class A and Class B common stock, par value $0.01 per share for each class, was 118,929,412 and 99, respectively.

As of July 31, 2023, 100% of Summit Materials, LLC’s outstanding limited liability company interests were held by Summit Materials Intermediate Holdings, LLC, its sole member and an indirect subsidiary of Summit Materials, Inc.

EXPLANATORY NOTE

This quarterly report on Form 10-Q (this “report”) is a combined quarterly report being filed separately by two registrants: Summit Materials, Inc. and Summit Materials, LLC. Each registrant hereto is filing on its own behalf all of the information contained in this report that relates to such registrant. Each registrant hereto is not filing any information that does not relate to such registrant, and therefore makes no representation as to any such information. We believe that combining the quarterly reports on Form 10-Q of Summit Materials, Inc. and Summit Materials, LLC into this single report eliminates duplicative and potentially confusing disclosure and provides a more streamlined presentation since a substantial amount of the disclosure applies to both registrants.

Unless stated otherwise or the context requires otherwise, references to “Summit Inc.” mean Summit Materials, Inc., a Delaware corporation, and references to “Summit LLC” mean Summit Materials, LLC, a Delaware limited liability company. The references to Summit Inc. and Summit LLC are used in cases where it is important to distinguish between them. We use the terms “we,” “our,” “us” or “the Company” to refer to Summit Inc. and Summit LLC together with their respective subsidiaries, unless otherwise noted or the context otherwise requires.

Summit Inc. was formed on September 23, 2014 to be a holding company. As of July 1, 2023, its sole material asset was a 98.9% economic interest in Summit Materials Holdings L.P., a Delaware limited partnership (“Summit Holdings”). Summit Inc. has 100% of the voting rights of Summit Holdings, which is the indirect parent of Summit LLC. Summit LLC is a co-issuer of our outstanding 6 1/2 % senior notes due 2027 (“2027 Notes”) and our 5 1/4% senior notes due 2029 (“2029 Notes” and collectively with the 2027 Notes, the “Senior Notes”). Summit Inc.’s only revenue for the three and six months ended July 1, 2023 was that generated by Summit LLC and its consolidated subsidiaries. Summit Inc. controls all of the business and affairs of Summit Holdings and, in turn, Summit LLC.

CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS

This report includes “forward-looking statements” within the meaning of the federal securities laws, which involve risks and uncertainties. Forward-looking statements include all statements that do not relate solely to historical or current facts, and you can identify forward-looking statements because they contain words such as “believes,” “expects,” “may,” “will,” “should,” “seeks,” “intends,” “trends,” “plans,” “estimates,” “projects” or “anticipates” or similar expressions that concern our strategy, plans, expectations or intentions. All statements made relating to our estimated and projected earnings, margins, costs, expenditures, cash flows, growth rates and financial results are forward-looking statements. These forward-looking statements are subject to risks, uncertainties and other factors that may cause our actual results, performance or achievements to be materially different from future results, performance or achievements expressed or implied by such forward-looking statements. We derive many of our forward-looking statements from our operating budgets and forecasts, which are based upon many detailed assumptions. While we believe that our assumptions are reasonable, it is very difficult to predict the effect of known factors, and, of course, it is impossible to anticipate all factors that could affect our actual results. In light of the significant uncertainties inherent in the forward-looking statements included herein, the inclusion of such information should not be regarded as a representation by us or any other person that the results or conditions described in such statements or our objectives and plans will be realized. Important factors could affect our results and could cause results to differ materially from those expressed in our forward-looking statements, including but not limited to the factors discussed in the section entitled “Risk Factors” in Summit Inc.’s Annual Report on Form 10-K for the fiscal year ended December 31, 2022 (the “Annual Report”), as filed with the Securities and Exchange Commission (the “SEC”), any factors discussed in the section entitled “Risk Factors” of this report and the following:

•our dependence on the construction industry and the strength of the local economies in which we operate, including residential;

•the cyclical nature of our business;

•risks related to weather and seasonality;

•risks associated with our capital-intensive business;

•competition within our local markets;

•our ability to execute on our acquisition strategy and portfolio optimization strategy, successfully integrate acquisitions with our existing operations and retain key employees of acquired businesses;

•our dependence on securing and permitting aggregate reserves in strategically located areas;

•the impact of rising interest rates, and diminished liquidity and credit availability in the market broadly;

•declines in public infrastructure construction and delays or reductions in governmental funding, including the funding by transportation authorities, the federal government and other state agencies particularly;

•our reliance on private investment in infrastructure, which may be adversely affected by periods of economic stagnation and recession;

•environmental, health, safety and climate change laws or governmental requirements or policies concerning zoning and land use;

•rising prices for, or more limited availability of, commodities, labor and other production and delivery inputs as a result of inflation, supply chain challenges or otherwise;

•conditions in the credit markets;

•our ability to accurately estimate the overall risks, requirements or costs when we bid on or negotiate contracts that are ultimately awarded to us;

•material costs and losses as a result of claims that our products do not meet regulatory requirements or contractual specifications;

•cancellation of a significant number of contracts or our disqualification from bidding for new contracts;

•special hazards related to our operations that may cause personal injury or property damage not covered by insurance;

•unexpected factors affecting self-insurance claims and reserve estimates;

•our current level of indebtedness, including our exposure to variable interest rate risk;

•our dependence on senior management and other key personnel, and our ability to retain and attract qualified personnel;

•supply constraints or significant price fluctuations in the electricity and petroleum-based resources that we use, including diesel and liquid asphalt;

•climate change and climate change legislation or other regulations;

•unexpected operational difficulties;

•costs associated with pending and future litigation;

•interruptions in our information technology systems and infrastructure, including cybersecurity and data leakage risks;

•potential labor disputes, strikes, other forms of work stoppage or other union activities; and

•the impact of the COVID-19 pandemic, and responses to it, including vaccine mandates, or any similar crisis, on our activities.

All subsequent written and oral forward-looking statements attributable to us, or persons acting on our behalf, are expressly qualified in their entirety by these cautionary statements.

Any forward-looking statement that we make herein speaks only as of the date of this report. We undertake no obligation to publicly update or revise any forward-looking statement as a result of new information, future events or otherwise, except as required by law.

 CERTAIN DEFINITIONS

As used in this report, unless otherwise noted or the context otherwise requires:

•“EBITDA” refers to net income (loss) before interest expense (income), income tax expense (benefit) and depreciation, depletion and amortization;

•“Finance Corp.” refers to Summit Materials Finance Corp., an indirect wholly-owned subsidiary of Summit LLC and the co-issuer of the Senior Notes;

•“LP Units” refers to the Class A limited partnership units of Summit Holdings; and

•“TRA” refers to a tax receivable agreement between Summit Inc. and certain current and former holders of LP Units and their permitted assignees.

Corporate Structure

The following chart summarizes our organizational structure, equity ownership and our principal indebtedness as of July 1, 2023. This chart is provided for illustrative purposes only and does not show all of our legal entities or all obligations of such entities.

(1)SEC registrant.

(2)The shares of Class B Common Stock are currently held by pre-IPO investors, including certain members of management or their family trusts that directly hold LP Units. A holder of Class B Common Stock is entitled, without regard to the number of shares of Class B Common Stock held by such holder, to a number of votes that is equal to the aggregate number of LP Units held by such holder.

(3)Guarantor under the senior secured credit facilities, but not the Senior Notes.

(4)Summit LLC and Finance Corp are the issuers of the Senior Notes and Summit LLC is the borrower under our senior secured credit facilities. Finance Corp. was formed solely for the purpose of serving as co-issuer or guarantor of certain indebtedness, including the Senior Notes. Finance Corp. does not and will not have operations of any kind and does not and will not have revenue or assets other than as may be incidental to its activities as a co-issuer or guarantor of certain indebtedness.

SUMMIT MATERIALS, INC.

SUMMIT MATERIALS, LLC 

FORM 10-Q 

TABLE OF CONTENTS  

		Page No.
PART I—Financial Information
Item 1.	Financial Statements for Summit Materials, Inc.	1
	Consolidated Balance Sheets as of July 1, 2023 (unaudited) and December 31, 2022	1
	Unaudited Consolidated Statements of Operations for the three and six months ended July 1, 2023 and July 2, 2022	2
	Unaudited Consolidated Statements of Comprehensive Income for the three and six months ended July 1, 2023 and July 2, 2022	3
	Unaudited Consolidated Statements of Cash Flows for the six months ended July 1, 2023 and July 2, 2022	4
	Unaudited Consolidated Statements of Changes in Stockholders’ Equity for the three and six months ended July 1, 2023 and July 2, 2022	5
	Notes to Unaudited Consolidated Financial Statements	7
	Financial Statements for Summit Materials, LLC	21
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	21
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	36
Item 4.	Controls and Procedures	37
PART II — Other Information
Item 1.	Legal Proceedings	38
Item 1A.	Risk Factors	38
Item 2.	Unregistered Sales of Equity Securities, Use of Proceeds and Issuer Purchases of Equity Securities	38
Item 3.	Defaults Upon Senior Securities	38
Item 4.	Mine Safety Disclosures	38
Item 5.	Other Information	38
Item 6.	Exhibits	39
SIGNATURES		40

PART I—FINANCIAL INFORMATION

ITEM 1. FINANCIAL STATEMENTS

SUMMIT MATERIALS, INC. AND SUBSIDIARIES

Consolidated Balance Sheets

(In thousands, except share and per share amounts)

	July 1, 2023		December 31, 2022
	(unaudited)		(audited)
Assets
Current assets:
Cash and cash equivalents	$	230,010	$	520,451
Accounts receivable, net	370,504		256,669
Costs and estimated earnings in excess of billings	35,315		6,510
Inventories	246,275		212,491
Other current assets	22,336		20,787
Current assets held for sale	1,862		1,468
Total current assets	906,302		1,018,376
Property, plant and equipment, less accumulated depreciation, depletion and amortization (July 1, 2023 - $1,352,008 and December 31, 2022 - $1,267,557)	1,979,986		1,813,702
Goodwill	1,228,468		1,132,546
Intangible assets, less accumulated amortization (July 1, 2023 - $17,321 and December 31, 2022 - $15,503)	69,714		71,384
Deferred tax assets, less valuation allowance (July 1, 2023 - $1,113 and December 31, 2022 - $1,113)	126,817		136,986
Operating lease right-of-use assets	36,013		37,889
Other assets	48,187		44,809
Total assets	$	4,395,487	$	4,255,692
Liabilities and Stockholders’ Equity
Current liabilities:
Current portion of debt	$	5,096	$	5,096
Current portion of acquisition-related liabilities	7,243		13,718
Accounts payable	171,221		104,031
Accrued expenses	148,660		119,967
Current operating lease liabilities	7,707		7,296
Billings in excess of costs and estimated earnings	7,054		5,739
Total current liabilities	346,981		255,847
Long-term debt	1,487,289		1,488,569
Acquisition-related liabilities	23,503		29,051
Tax receivable agreement liability	322,624		327,812
Noncurrent operating lease liabilities	33,563		35,737
Other noncurrent liabilities	107,563		106,686
Total liabilities	2,321,523		2,243,702
Commitments and contingencies (see note 12)
Stockholders’ equity:
Class A common stock, par value $0.01 per share; 1,000,000,000 shares authorized, 118,886,274 and 118,408,655 shares issued and outstanding as of July 1, 2023 and December 31, 2022, respectively	1,190		1,185
Class B common stock, par value $0.01 per share; 250,000,000 shares authorized, 99 shares issued and outstanding as of July 1, 2023 and December 31, 2022	—		—
Additional paid-in capital	1,409,364		1,404,122
Accumulated earnings	643,728		590,895
Accumulated other comprehensive income	6,326		3,084
Stockholders’ equity	2,060,608		1,999,286
Noncontrolling interest in Summit Holdings	13,356		12,704
Total stockholders’ equity	2,073,964		2,011,990
Total liabilities and stockholders’ equity	$	4,395,487	$	4,255,692

See notes to unaudited consolidated financial statements.

1

SUMMIT MATERIALS, INC. AND SUBSIDIARIES

Unaudited Consolidated Statements of Operations

(In thousands, except share and per share amounts) 

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Revenue:
Product	$	595,714	$	542,939	$	967,886	$	898,608
Service	84,659		88,979		119,757		125,805
Net revenue	680,373		631,918		1,087,643		1,024,413
Delivery and subcontract revenue	48,777		54,636		76,895		83,088
Total revenue	729,150		686,554		1,164,538		1,107,501
Cost of revenue (excluding items shown separately below):
Product	377,634		360,356		673,515		650,701
Service	65,992		69,213		96,030		103,796
Net cost of revenue	443,626		429,569		769,545		754,497
Delivery and subcontract cost	48,777		54,636		76,895		83,088
Total cost of revenue	492,403		484,205		846,440		837,585
General and administrative expenses	55,550		47,651		101,912		99,575
Depreciation, depletion, amortization and accretion	54,787		47,157		105,681		98,350
Gain on sale of property, plant and equipment	(3,223)		(3,695)		(3,653)		(4,950)
Operating income	129,633		111,236		114,158		76,941
Interest expense	27,902		20,599		55,322		40,748
Loss on debt financings	—		—		493		—
Tax receivable agreement expense	—		954		—		954
Gain on sale of businesses	—		(156,053)		—		(170,258)
Other income, net	(5,478)		(977)		(11,188)		(1,673)
Income from operations before taxes	107,209		246,713		69,531		207,170
Income tax expense	22,481		53,947		16,015		49,204
Net income	84,728		192,766		53,516		157,966
Net income attributable to noncontrolling interest in Summit Holdings	1,091		2,653		683		2,145
Net income attributable to Summit Inc.	$	83,637	$	190,113	$	52,833	$	155,821
Earnings per share of Class A common stock:
Basic	$	0.70	$	1.58	$	0.44	$	1.29
Diluted	$	0.70	$	1.58	$	0.44	$	1.28
Weighted average shares of Class A common stock:
Basic	118,931,914		120,222,094		118,805,785		120,569,387
Diluted	119,393,709		120,660,721		119,431,604		121,374,168

See notes to unaudited consolidated financial statements.

2

SUMMIT MATERIALS, INC. AND SUBSIDIARIES

Unaudited Consolidated Statements of Comprehensive Income

(In thousands) 

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Net income	$	84,728	$	192,766	$	53,516	$	157,966
Other comprehensive income (loss):
Foreign currency translation adjustment	3,902		(5,610)		4,105		(3,866)
Less tax effect of other comprehensive (loss) income items	(779)		1,353		(818)		934
Other comprehensive income (loss)	3,123		(4,257)		3,287		(2,932)
Comprehensive income	87,851		188,509		56,803		155,034
Less comprehensive income attributable to Summit Holdings	1,133		2,592		728		2,103
Comprehensive income attributable to Summit Inc.	$	86,718	$	185,917	$	56,075	$	152,931

See notes to unaudited consolidated financial statements.

3

SUMMIT MATERIALS, INC. AND SUBSIDIARIES

Unaudited Consolidated Statements of Cash Flows

(In thousands) 

	Six months ended
	July 1, 2023		July 2, 2022
Cash flows from operating activities:
Net income	$	53,516	$	157,966
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion, amortization and accretion	110,659		107,511
Share-based compensation expense	9,924		10,156
Net gain on asset and business disposals	(3,655)		(174,902)
Non-cash loss on debt financings	161		—
Change in deferred tax asset, net	9,350		44,160
Other	(21)		(357)
Decrease (increase) in operating assets, net of acquisitions and dispositions:
Accounts receivable, net	(101,119)		(57,797)
Inventories	(27,115)		(58,092)
Costs and estimated earnings in excess of billings	(28,760)		(36,165)
Other current assets	(1,070)		(2,130)
Other assets	1,732		(593)
(Decrease) increase in operating liabilities, net of acquisitions and dispositions:
Accounts payable	52,157		39,602
Accrued expenses	19,048		(11,108)
Billings in excess of costs and estimated earnings	1,299		(737)
Tax receivable agreement liability	(531)		954
Other liabilities	(1,533)		(2,214)
Net cash provided by operating activities	94,042		16,254
Cash flows from investing activities:
Acquisitions, net of cash acquired	(237,666)		(1,933)
Purchases of property, plant and equipment	(126,893)		(129,580)
Proceeds from the sale of property, plant and equipment	5,760		5,427
Proceeds from sale of businesses	—		341,741
Other	(1,852)		(1,098)
Net cash (used in) provided by investing activities	(360,651)		214,557
Cash flows from financing activities:
Debt issuance costs	(1,566)		—
Payments on debt	(6,720)		(86,821)
Payments on acquisition-related liabilities	(11,539)		(11,577)
Distributions from partnership	—		(25)
Repurchases of common stock	—		(47,509)
Proceeds from stock option exercises	84		123
Other	(4,838)		(187)
Net cash used in financing activities	(24,579)		(145,996)
Impact of foreign currency on cash	747		(461)
Net (decrease) increase in cash	(290,441)		84,354
Cash and cash equivalents—beginning of period	520,451		380,961
Cash and cash equivalents—end of period	$	230,010	$	465,315

See notes to unaudited consolidated financial statements.

4

SUMMIT MATERIALS, INC. AND SUBSIDIARIES

Unaudited Consolidated Statements of Changes in Stockholders’ Equity

(In thousands, except share amounts) 

	Summit Materials, Inc.
			Accumulated
			Other		Class A			Class B			Additional		Noncontrolling		Total
	Accumulated		Comprehensive		Common Stock			Common Stock			Paid-in		Interest in		Stockholders’
	Earnings		income		Shares	Dollars		Shares	Dollars		Capital		Summit Holdings		Equity
Balance - December 31, 2022	$	590,895	$	3,084	118,408,655	$	1,185	99	$	—	$	1,404,122	$	12,704	$	2,011,990
Net loss	(30,804)		—		—	—		—	—		—		(408)		(31,212)
LP Unit exchanges	—		—		2,000	—		—	—		21		(21)		—
Other comprehensive income, net of tax	—		161		—	—		—	—		—		3		164
Stock option exercises	—		—		902	—		—	—		15		—		15
Share-based compensation	—		—		—	—		—	—		4,708		—		4,708
Shares redeemed to settle taxes and other	—		—		407,114	4		—	—		(5,680)		(43)		(5,719)
Balance — April 1, 2023	$	560,091	$	3,245	118,818,671	$	1,189	99	$	—	$	1,403,186	$	12,235	$	1,979,946
Net income	83,637		—		—	—		—	—		—		1,091		84,728
Other comprehensive income, net of tax	—		3,081		—	—		—	—		—		42		3,123
Stock option exercises	—		—		3,338	—		—	—		69		—		69
Share-based compensation	—		—		—	—		—	—		5,216		—		5,216
Shares redeemed to settle taxes and other	—		—		64,265	1		—	—		893		(12)		882
Balance - July 1, 2023	$	643,728	$	6,326	118,886,274	$	1,190	99	$	—	$	1,409,364	$	13,356	$	2,073,964

5

	Summit Materials, Inc.
			Accumulated
			Other		Class A			Class B			Additional		Noncontrolling		Total
	Accumulated		Comprehensive		Common Stock			Common Stock			Paid-in		Interest in		Stockholders’
	Earnings		income		Shares	Dollars		Shares	Dollars		Capital		Summit Holdings		Equity
Balance — January 1, 2022	$	478,956	$	7,083	118,705,108	$	1,188	99	$	—	$	1,326,340	$	9,645	$	1,823,212
Net loss	(34,292)		—		—	—		—	—		—		(508)		(34,800)
Other comprehensive income, net of tax	—		1,306		—	—		—	—		—		19		1,325
Stock option exercises	—		—		1,589	—		—	—		27		—		27
Share-based compensation	—		—		—	—		—	—		5,422		—		5,422
Repurchases of common stock	(47,494)		—		(1,506,878)	(15)		—	—		(121)		121		(47,509)
Shares redeemed to settle taxes and other	—		—		842,029	8		—	—		(1,120)		(68)		(1,180)
Balance — April 2, 2022	$	397,170	$	8,389	118,041,848	$	1,181	99	$	—	$	1,330,548	$	9,209	$	1,746,497
Net income	190,113		—		—	—		—	—		—		2,653		192,766
Other comprehensive loss, net of tax	—		(4,196)		—	—		—	—		—		(61)		(4,257)
Stock option exercises	—		—		4,929	—		—	—		96		—		96
Share-based compensation	—		—		—	—		—	—		4,734		—		4,734
Distributions from partnership	—		—		—	—		—	—		—		(25)		(25)
Shares redeemed to settle taxes and other	—		—		67,835	1		—	—		997		(7)		991
Balance — July 2, 2022	$	587,283	$	4,193	118,114,612	$	1,182	99	$	—	$	1,336,375	$	11,769	$	1,940,802

See notes to unaudited consolidated financial statements.

6

SUMMIT MATERIALS, INC.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in tables in thousands, except per share amounts or otherwise noted)

1.SUMMARY OF ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES

Summit Materials, Inc. (“Summit Inc.” and, together with its subsidiaries, “Summit,” “we,” “us,” “our” or the “Company”) is a vertically-integrated construction materials company. The Company is engaged in the production and sale of aggregates, cement, ready-mix concrete, asphalt paving mix and concrete products and owns and operates quarries, sand and gravel pits, two cement plants, cement distribution terminals, ready-mix concrete plants, asphalt plants and landfill sites. It is also engaged in paving and related services. The Company’s three operating and reporting segments are the West, East and Cement segments.

Substantially all of the Company’s construction materials, products and services are produced, consumed and performed outdoors, primarily in the spring, summer and fall. Seasonal changes and other weather-related conditions can affect the production and sales volumes of its products and delivery of services. Therefore, the financial results for any interim period are typically not indicative of the results expected for the full year. Furthermore, the Company’s sales and earnings are sensitive to national, regional and local economic conditions, weather conditions and to cyclical changes in construction spending, among other factors.

Summit Inc. is a holding corporation operating and controlling all of the business and affairs of Summit Materials Holdings L.P. (“Summit Holdings”) and its subsidiaries, and through Summit Holdings conducts its business. Summit Inc. owns the majority of the partnership interests of Summit Holdings (see Note 9, Stockholders’ Equity). Summit Materials, LLC (“Summit LLC”), an indirect wholly owned subsidiary of Summit Holdings, conducts the majority of our operations. Summit Materials Finance Corp. (“Summit Finance”), an indirect wholly owned subsidiary of Summit LLC, has jointly issued our Senior Notes as described below.

Basis of Presentation—These unaudited consolidated financial statements were prepared in accordance with U.S. generally accepted accounting principles (“U.S. GAAP”) for interim financial information, without audit, pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”). Certain information and footnote disclosures typically included in financial statements prepared in accordance with U.S. GAAP have been condensed or omitted pursuant to such rules and regulations. These unaudited consolidated financial statements should be read in conjunction with the Company's audited consolidated financial statements and the notes thereto as of and for the year ended December 31, 2022. The Company continues to follow the accounting policies set forth in those audited consolidated financial statements.

Management believes that these consolidated interim financial statements include all adjustments, normal and recurring in nature, that are necessary to present fairly the financial position of the Company as of July 1, 2023, the results of operations for the three and six months ended July 1, 2023 and July 2, 2022 and cash flows for the six months ended July 1, 2023 and July 2, 2022.

Principles of Consolidation—The consolidated financial statements include the accounts of Summit Inc. and its majority owned subsidiaries. All intercompany balances and transactions have been eliminated.

For a summary of the changes in Summit Inc.’s ownership of Summit Holdings, see Note 9, Stockholders’ Equity.

Use of Estimates—Preparation of these consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions. These estimates and the underlying assumptions affect the amounts of assets and liabilities reported, disclosures about contingent assets and liabilities and reported amounts of revenue and expenses. Such estimates include the valuation of accounts receivable, inventories, valuation of deferred tax assets, goodwill, intangibles and other long-lived assets, tax receivable agreement ("TRA") liability, pension and other postretirement obligations and asset retirement obligations. Estimates also include revenue earned on contracts and costs to complete contracts. Most of the Company’s paving and related services are performed under fixed unit-price contracts with state and local governmental entities. Management regularly evaluates its estimates and assumptions based on historical experience and other factors, including the current economic environment. As future events and their effects cannot be determined with precision, actual results can differ significantly from estimates made. Changes in estimates, including

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those resulting from continuing changes in the economic environment, are reflected in the Company’s consolidated financial statements when the change in estimate occurs.

Business and Credit Concentrations—The Company’s operations are conducted primarily across 21 U.S. states and in British Columbia, Canada, with the most significant revenue generated in Texas, Utah, Kansas and Missouri. The Company’s accounts receivable consist primarily of amounts due from customers within these areas. Therefore, collection of these accounts is dependent on the economic conditions in the aforementioned states, as well as specific situations affecting individual customers. Credit granted within the Company’s trade areas has been granted to many customers, and management does not believe that a significant concentration of credit exists with respect to any individual customer or group of customers. No single customer accounted for more than 10% of the Company’s total revenue in the three and six months ended July 1, 2023 or July 2, 2022.

Revenue Recognition—We earn revenue from the sale of products, which primarily include aggregates, cement, ready-mix concrete and asphalt, but also include concrete products and plastics components, and from the provision of services, which are primarily paving and related services, but also include landfill operations, the receipt and disposal of waste that is converted to fuel for use in our cement plants.

Products: Revenue for product sales is recognized when the performance obligation is satisfied, which generally is when the product is shipped. 

Services: We earn revenue from the provision of services, which are primarily paving and related services, which are typically calculated using monthly progress based on a method similar to percentage of completion or a customer’s engineer review of progress.

The majority of our construction service contracts are completed within one year, but may occasionally extend beyond this time frame. The majority of our construction service contracts are for work that occurs mostly during the spring, summer and fall. We generally measure progress toward completion on long-term paving and related services contracts based on the proportion of costs incurred to date relative to total estimated costs at completion.

Estimating costs to be incurred for revenue recognition involves the use of various estimating techniques to project costs at completion, and in some cases includes estimates of recoveries asserted against the customer for changes in specifications or other disputes.

Earnings per Share—The Company computes basic earnings per share attributable to stockholders by dividing income attributable to Summit Inc. by the weighted-average shares of Class A common stock outstanding. Diluted earnings per share reflects the potential dilution beyond shares for basic earnings per share that could occur if securities or other contracts to issue common stock were exercised, converted into common stock, or resulted in the issuance of common stock that would have shared in the Company’s earnings. Since the Class B common stock has no economic value, those shares are not included in the weighted-average common share amount for basic or diluted earnings per share. In addition, as the shares of Class A common stock are issued by Summit Inc., the earnings and equity interests of noncontrolling interests are not included in basic earnings per share.

2.ACQUISITIONS, DISPOSITIONS, GOODWILL AND INTANGIBLES

The financial results of each acquisition have been included in the Company’s consolidated results of operations beginning on the respective closing dates of the acquisitions. The Company measures all assets acquired and liabilities assumed at their acquisition-date fair value. Goodwill acquired during a business combination has an indefinite life and is not amortized.

The following table summarizes the Company’s acquisitions by region and period:

	Six months ended	Year ended
	July 1, 2023	December 31, 2022
West	3	—
East	1	2

The purchase price allocation, primarily the valuation of property, plant and equipment for the acquisitions completed during the six months ended July 1, 2023, as well as the acquisitions completed during 2022 that occurred after July 2, 2022, have not yet been finalized due to the recent timing of the acquisitions, status of the valuation of property, plant and

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equipment and finalization of related tax returns. The following table summarizes aggregated information regarding the fair values of the assets acquired and liabilities assumed as of the respective acquisition dates:

	Six months ended		Year ended
	July 1, 2023		December 31, 2022
Financial assets	$	13,104	$	297
Inventories	6,521		161
Property, plant and equipment	137,394		30,041
Other assets	458		1,116
Financial liabilities	(11,925)		(1,120)
Other long-term liabilities	(768)		(1,589)
Net assets acquired	144,784		28,906
Goodwill	94,564		—
Purchase price	239,348		28,906
Acquisition-related liabilities	—		(6,176)
Other	(1,682)		—
Net cash paid for acquisitions	$	237,666	$	22,730

Changes in the carrying amount of goodwill, by reportable segment, from December 31, 2022 to July 1, 2023 are summarized as follows:

	West		East		Cement		Total
Balance—December 31, 2022	$	566,389	$	361,501	$	204,656	$	1,132,546
Acquisitions (1)	94,564		—		—		94,564
Foreign currency translation adjustments	1,358		—		—		1,358
Balance—July 1, 2023	$	662,311	$	361,501	$	204,656	$	1,228,468

_______________________________________________________________________

(1) Reflects goodwill from 2023 acquisitions.

The Company’s intangible assets subject to amortization are primarily composed of operating permits, mineral lease agreements and reserve rights. Operating permits relate to permitting and zoning rights acquired outside of a business combination. The assets related to mineral lease agreements reflect the submarket royalty rates paid under agreements, primarily for extracting aggregates. The values were determined as of the respective acquisition dates by a comparison of market-royalty rates. The reserve rights relate to aggregate reserves to which the Company has certain rights of ownership, but does not own the reserves. The intangible assets are amortized on a straight-line basis over the lives of the leases or permits. The following table shows intangible assets by type and in total:

	July 1, 2023						December 31, 2022
	Gross  Carrying  Amount		Accumulated  Amortization		Net  Carrying  Amount		Gross  Carrying  Amount		Accumulated  Amortization		Net  Carrying  Amount
Operating permits	$	38,677	$	(4,926)	$	33,751	$	38,677	$	(4,109)	$	34,568
Mineral leases	17,778		(7,228)		10,550		18,091		(7,056)		11,035
Reserve rights	25,586		(4,608)		20,978		25,242		(3,872)		21,370
Other	4,994		(559)		4,435		4,877		(466)		4,411
Total intangible assets	$	87,035	$	(17,321)	$	69,714	$	86,887	$	(15,503)	$	71,384

Amortization expense totaled $0.9 million and $1.8 million for the three and six months ended July 1, 2023, respectively, and $0.8 million and $1.8 million for the three and six months ended July 2, 2022, respectively. The estimated amortization expense for the intangible assets for each of the five years subsequent to July 1, 2023 is as follows:

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2023 (six months)	$	1,999
2024	4,006
2025	3,965
2026	3,916
2027	3,904
2028	3,906
Thereafter	48,018
Total	$	69,714

3.REVENUE RECOGNITION

We derive our revenue predominantly by selling construction materials, products and providing paving and related services. Construction materials consist of aggregates and cement. Products consist of related downstream products, including ready-mix concrete, asphalt paving mix and concrete products. Paving and related service revenue is generated primarily from the asphalt paving services that we provide.

Revenue by product for the three and six months ended July 1, 2023 and July 2, 2022 is as follows:

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Revenue by product*:
Aggregates	$	182,512	$	161,480	$	326,165	$	284,873
Cement	103,607		86,815		152,620		129,369
Ready-mix concrete	199,570		183,357		338,348		340,920
Asphalt	91,809		94,141		118,444		111,279
Paving and related services	89,374		98,610		116,558		129,220
Other	62,278		62,151		112,403		111,840
Total revenue	$	729,150	$	686,554	$	1,164,538	$	1,107,501

*Revenue from liquid asphalt terminals is included in asphalt revenue.

Accounts receivable, net consisted of the following as of July 1, 2023 and December 31, 2022: 

	July 1, 2023		December 31, 2022
Trade accounts receivable	$	314,590	$	215,766
Construction contract receivables	52,932		37,067
Retention receivables	10,461		11,048
Accounts receivable	377,983		263,881
Less: Allowance for doubtful accounts	(7,479)		(7,212)
Accounts receivable, net	$	370,504	$	256,669

Retention receivables are amounts earned by the Company but held by customers until paving and related service contracts and projects are near completion or fully completed. Amounts are generally billed and collected within one year.

4.INVENTORIES

Inventories consisted of the following as of July 1, 2023 and December 31, 2022: 

	July 1, 2023		December 31, 2022
Aggregate stockpiles	$	157,272	$	148,347
Finished goods	55,877		33,622
Work in process	9,806		8,191
Raw materials	23,320		22,331
Total	$	246,275	$	212,491

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5.ACCRUED EXPENSES

Accrued expenses consisted of the following as of July 1, 2023 and December 31, 2022:

	July 1, 2023		December 31, 2022
Interest	$	36,037	$	24,625
Payroll and benefits	40,602		34,485
Finance lease obligations	3,499		6,959
Insurance	21,314		18,127
Current portion of TRA liability and non-income taxes	13,976		4,360
Deferred asset purchase payments	5,824		5,131
Professional fees	1,755		924
Other (1)	25,653		25,356
Total	$	148,660	$	119,967

(1)Consists primarily of current portion of asset retirement obligations and miscellaneous accruals.

6.DEBT

Debt consisted of the following as of July 1, 2023 and December 31, 2022: 

	July 1, 2023		December 31, 2022
Term Loan, due 2027:
$507.0 million and $509.6 million, net of $4.5 million and $5.0 million discount at July 1, 2023 and December 31, 2022, respectively	$	502,511	$	504,549
61⁄2% Senior Notes, due 2027	300,000		300,000
51⁄4% Senior Notes, due 2029	700,000		700,000
Total	1,502,511		1,504,549
Current portion of long-term debt	5,096		5,096
Long-term debt	$	1,497,415	$	1,499,453

The contractual payments of long-term debt, including current maturities, for the five years subsequent to July 1, 2023, are as follows:

2023 (six months)	$	2,548
2024	3,822
2025	6,369
2026	5,096
2027	789,177
2028	—
Thereafter	700,000
Total	1,507,012
Less: Original issue net discount	(4,501)
Less: Capitalized loan costs	(10,126)
Total debt	$	1,492,385

Senior Notes— On August 11, 2020, Summit LLC and Summit Finance (together, the “Issuers”) issued $700.0 million in aggregate principal amount of 5.250% senior notes due January 15, 2029 (the “2029 Notes”). The 2029 Notes were issued at 100.0% of their par value with proceeds of $690.4 million, net of related fees and expenses. The 2029 Notes were issued under an indenture dated August 11, 2020 (the "2029 Notes Indenture"). The 2029 Notes Indenture contains covenants limiting, among other things, Summit LLC and its restricted subsidiaries’ ability to incur additional indebtedness or issue certain preferred shares, pay dividends, redeem stock or make other distributions, make certain investments, sell or transfer certain assets, create liens, consolidate, merge, sell or otherwise dispose of all or substantially all of its assets, enter into certain transactions with affiliates, and designate subsidiaries as unrestricted subsidiaries. The 2029 Notes Indenture also contains customary events of default. Interest on the 2029 Notes is payable semi-annually on January 15 and July 15 of each year commencing on January 15, 2021.

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On March 15, 2019, the Issuers issued $300.0 million in aggregate principal amount of 6.500% senior notes due March 15, 2027 (the “2027 Notes”). The 2027 Notes were issued at 100.0% of their par value with proceeds of $296.3 million, net of related fees and expenses. The 2027 Notes were issued under an indenture dated March 25, 2019, the terms of which are generally consistent with the 2029 Notes Indenture. Interest on the 2027 Notes is payable semi-annually on March 15 and September 15 of each year commencing on September 15, 2019.

As of July 1, 2023 and December 31, 2022, the Company was in compliance with all covenants under the applicable indentures.

Senior Secured Credit Facilities— Summit LLC has credit facilities that provide for term loans in an aggregate amount of $507.0 million and revolving credit commitments in an aggregate amount of $395.0 million (the “Senior Secured Credit Facilities”). Under the Senior Secured Credit Facilities, required principal repayments of 0.25% of the refinanced aggregate amount of term debt are due on the last business day of each March, June, September and December commencing with the March 2023 payment. The interest rate on the term loan is a variable rate, it was 8.49% as of July 1, 2023. In 2022, the Company repaid $95.6 million of its term loan under provisions related to divestitures of businesses.

On December 14, 2022, Summit Materials, LLC entered into Amendment No. 5 to the credit agreement governing the Senior Secured Credit Facilities (the “Credit Agreement”), which among other things, (a) refinanced the existing $509.6 million of existing term loans with new term loans under the Term Loan Facility bearing interest, at Summit LLC’s option, based on either the base rate or Term Secured Overnight Financing Rate ("SOFR") rate and an applicable margin of (i) 2.00% per annum with respect to base rate borrowings and a floor of 1.00% per annum or (ii) 3.00% per annum with respect to Term SOFR borrowings, with a SOFR adjustment of 0.10% per annum and a floor of zero, and (b) extended the maturity date to December 14, 2027.

On January 10, 2023, Summit Materials, LLC entered into Amendment No. 6 to the Credit Agreement, which among other things, increased the maximum amount available to $395.0 million and extended the maturity date to January 10, 2028. The revolving credit agreement bears interest per annum equal to a Term SOFR Rate with a SOFR adjustment of 0.10% per annum and a floor of zero.

There were no outstanding borrowings under the revolving credit facility as of July 1, 2023 and December 31, 2022, with borrowing capacity of $374.1 million remaining as of July 1, 2023, which is net of $20.9 million of outstanding letters of credit. The outstanding letters of credit are renewed annually and support required bonding on construction projects, large leases, workers compensation claims and the Company’s insurance liabilities.

Summit LLC’s Consolidated First Lien Net Leverage Ratio, as such term is defined in the Credit Agreement, should be no greater than 4.75:1.0 as of each quarter-end. As of July 1, 2023 and December 31, 2022, Summit LLC was in compliance with all financial covenants.

Summit LLC’s wholly-owned domestic subsidiary companies, subject to certain exclusions and exceptions, are named as subsidiary guarantors of the Senior Notes and the Senior Secured Credit Facilities. In addition, Summit LLC has pledged substantially all of its assets as collateral, subject to certain exclusions and exceptions, for the Senior Secured Credit Facilities.

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The following table presents the activity for the deferred financing fees for the six months ended July 1, 2023 and July 2, 2022:

	Deferred financing fees
Balance—December 31, 2022	$	11,489
Loan origination fees	1,566
Amortization	(1,227)
Write off of deferred financing fees	(160)
Balance—July 1, 2023	$	11,668
Balance—January 1, 2022	$	13,049
Amortization	(1,384)
Balance—July 2, 2022	$	11,665

Other—On January 15, 2015, the Company’s wholly-owned subsidiary in British Columbia, Canada entered into an agreement with HSBC Bank Canada, which was amended on November 30, 2020, for a (i) $6.0 million Canadian dollar (“CAD”) revolving credit commitment to be used for operating activities that bears interest per annum equal to the bank’s prime rate plus 0.20%, (ii) $0.5 million CAD revolving credit commitment to be used for capital equipment that bears interest per annum at the bank’s prime rate plus 0.20% and (iii) $1.5 million CAD revolving credit commitment to provide guarantees on behalf of that subsidiary and (iv) $10.0 million CAD revolving foreign exchange facility available to purchase foreign exchange forward contracts. There were no amounts outstanding under this agreement as of July 1, 2023 or December 31, 2022, which may be terminated upon demand.

7.INCOME TAXES

Summit Inc.’s tax provision includes its proportional share of Summit Holdings’ tax attributes. Summit Holdings’ subsidiaries are primarily limited liability companies but do include certain entities organized as C corporations and a Canadian subsidiary. The tax attributes related to the limited liability companies are passed on to Summit Holdings and then to its partners, including Summit Inc. The tax attributes associated with the C corporation and Canadian subsidiaries are fully reflected in the Company’s accounts.

Our income tax expense was $22.5 million and $16.0 million in the three and six months ended July 1, 2023, respectively, and our income tax expense was $53.9 million and $49.2 million in the three and six months ended July 2, 2022, respectively. The effective tax rate for Summit Inc. differs from the federal statutory tax rate primarily due to (1) tax depletion expense in excess of the expense recorded under U.S. GAAP, (2) basis differences in assets divested, (3) state taxes, (4) the minority interest in the Summit Holdings partnership that is allocated outside of the Company and (5) various other items such as limitations on meals and entertainment, certain stock compensation and other costs.

As of July 1, 2023 and December 31, 2022, Summit Inc. had a valuation allowance of $1.1 million in both periods, which relates to certain deferred tax assets in taxable entities where realization is not more likely than not.

No material interest or penalties were recognized in income tax expense during the three and six months ended July 1, 2023 and July 2, 2022.

Tax Receivable Agreement—The Company is party to a TRA with certain current and former holders of LP Units that provides for the payment by Summit Inc. to exchanging holders of LP Units of 85% of the benefits, if any, that Summit Inc. actually realizes (or, under certain circumstances such as an early termination of the TRA, is deemed to realize) as a result of increases in the tax basis of tangible and intangible assets of Summit Holdings and certain other tax benefits related to entering into the TRA, including tax benefits attributable to payments under the TRA.

In the six months ended July 1, 2023, 2,000 LP Units were acquired by Summit Inc. in exchange for an equal number of newly-issued shares of Summit Inc.’s Class A common stock. As of July 1, 2023 and December 31, 2022, we had recorded $327.8 million and $328.4 million of TRA liability, respectively.

Tax Distributions – The holders of Summit Holdings’ LP Units, including Summit Inc., incur U.S. federal, state and local income taxes on their share of any taxable income of Summit Holdings. The limited partnership agreement of Summit Holdings provides for pro rata cash distributions (“tax distributions”) to the holders of the LP Units in an amount generally

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calculated to provide each holder of LP Units with sufficient cash to cover its tax liability in respect of the LP Units. In general, these tax distributions are computed based on Summit Holdings’ estimated taxable income allocated to Summit Inc. multiplied by an assumed tax rate equal to the highest effective marginal combined U.S. federal, state and local income tax rate in New York, New York. No tax distributions were made by Summit Holdings in the six months ended July 1, 2023.

8.EARNINGS PER SHARE

Basic earnings per share is computed by dividing net earnings by the weighted average common shares outstanding and diluted net earnings is computed by dividing net earnings, adjusted for changes in the earnings allocated to Summit Inc. as a result of the assumed conversion of LP Units, by the weighted-average common shares outstanding assuming dilution.

The following table shows the calculation of basic and diluted earnings per share:

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Net income attributable to Summit Inc.	$	83,637	$	190,113	$	52,833	$	155,821
Weighted average shares of Class A stock outstanding	118,848,214		120,078,273		118,706,385		120,417,414
Add: Nonvested restricted stock awards of retirement eligible shares	83,700		143,821		99,400		151,973
Weighted average shares outstanding	118,931,914		120,222,094		118,805,785		120,569,387
Basic earnings per share	$	0.70	$	1.58	$	0.44	$	1.29
Diluted net income attributable to Summit Inc.	$	83,637	$	190,113	$	52,833	$	155,821
Weighted average shares outstanding	118,931,914		120,222,094		118,805,785		120,569,387
Add: stock options	100,895		76,161		99,102		101,094
Add: warrants	13,194		10,413		12,978		12,844
Add: restricted stock units	193,011		257,454		340,958		533,242
Add: performance stock units	154,695		94,599		172,781		157,601
Weighted average dilutive shares outstanding	119,393,709		120,660,721		119,431,604		121,374,168
Diluted earnings per share	$	0.70	$	1.58	$	0.44	$	1.28

Excluded from the above calculations were the shares noted below as they were antidilutive:

	Three months ended		Six months ended
	July 1, 2023	July 2, 2022	July 1, 2023	July 2, 2022
Antidilutive shares:
LP Units	1,310,004	1,314,006	1,310,630	1,314,006

9.STOCKHOLDERS’ EQUITY

During 2023, certain limited partners of Summit Holdings exchanged their LP Units for shares of Class A common stock of Summit Inc.

In March 2022, our Board of Directors authorized a share repurchase program, whereby we can repurchase up to $250 million of our Class A common stock. As of July 1, 2023, there was $149.0 million available for purchase, upon which they will be retired.

The following table summarizes the changes in our ownership of Summit Holdings:

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	Summit Inc. Shares (Class A)	LP Units	Total	Summit Inc. Ownership Percentage
Balance — December 31, 2022	118,408,655	1,312,004	119,720,659	98.9	%
Exchanges during period	2,000	(2,000)	—
Stock option exercises	4,240	—	4,240
Other equity transactions	471,379	—	471,379
Balance — July 1, 2023	118,886,274	1,310,004	120,196,278	98.9	%
Balance — January 1, 2022	120,684,322	1,314,006	121,998,328	98.9	%
Stock option exercises	6,518	—	6,518
Repurchases of common stock	(1,506,878)	—	(1,506,878)
Other equity transactions	909,864	—	909,864
Balance — July 2, 2022	120,093,826	1,314,006	121,407,832	98.9	%

Summit Inc. is Summit Holdings’ primary beneficiary and thus consolidates Summit Holdings in its consolidated financial statements with a corresponding noncontrolling interest reclassification, which was 1.1% and 1.1% as of July 1, 2023 and December 31, 2022, respectively.

Accumulated other comprehensive income (loss) —The changes in each component of accumulated other comprehensive income (loss) consisted of the following:

	Change in  retirement plans		Foreign currency  translation  adjustments		Accumulated  other  comprehensive  income (loss)
Balance — December 31, 2022	$	6,356	$	(3,272)	$	3,084
Foreign currency translation adjustment, net of tax	—		3,242		3,242
Balance — July 1, 2023	$	6,356	$	(30)	$	6,326
Balance — January 1, 2022	$	1,508	$	5,575	$	7,083
Foreign currency translation adjustment, net of tax	—		(2,890)		(2,890)
Balance — July 2, 2022	$	1,508	$	2,685	$	4,193

10.SUPPLEMENTAL CASH FLOW INFORMATION

Supplemental cash flow information is as follows:

	Six months ended
	July 1, 2023		July 2, 2022
Cash payments:
Interest	$	38,107	$	36,115
Payments for income taxes, net	6,941		8,503
Operating cash payments on operating leases	4,801		4,652
Operating cash payments on finance leases	282		646
Finance cash payments on finance leases	5,223		11,297
Non cash investing and financing activities:
Accrued liabilities for purchases of property, plant and equipment	$	14,994	$	20,225
Right of use assets obtained in exchange for operating lease obligations	2,050		9,312
Right of use assets obtained in exchange for finance leases obligations	413		258
Exchange of LP Units to shares of Class A common stock	60		—

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11.LEASES

We lease construction and office equipment, distribution facilities and office space. Leases with an initial term of 12 months or less, including month to month leases, are not recorded on the balance sheet. Lease expense for short-term leases is recognized on a straight line basis over the lease term. For lease agreements we have entered into or reassessed we combine lease and nonlease components. While we also own mineral leases for mining operations, those leases are outside the scope of Accounting Standards Update No. 2016-2, Leases (Topic 842). Assets acquired under finance leases are included in property, plant and equipment.

Many of our leases include options to purchase the leased equipment. The depreciable life of assets and leasehold improvements are limited by the expected lease term, unless there is a transfer of title or purchase option reasonably certain of exercise. Our lease agreements do not contain any material residual value guarantees or material restrictive covenants. The components of lease expense were as follows:

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	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023			July 2, 2022
Operating lease cost	$	2,697	$	2,271	$	5,338		$	4,783
Variable lease cost	34		42		64			155
Short-term lease cost	10,184		10,933		17,454			19,181
Financing lease cost:
Amortization of right-of-use assets	714		1,377		1,532			3,363
Interest on lease liabilities	133		271		281			640
Total lease cost	$	13,762	$	14,894	$	24,669		$	28,122
					July 1, 2023			December 31, 2022
Supplemental balance sheet information related to leases:
Operating leases:
Operating lease right-of-use assets					$	36,013		$	37,889
Current operating lease liabilities					$	7,707		$	7,296
Noncurrent operating lease liabilities					33,563			35,737
Total operating lease liabilities					$	41,270		$	43,033
Finance leases:
Property and equipment, gross					$	21,515		$	32,119
Less accumulated depreciation					(10,101)			(14,992)
Property and equipment, net					$	11,414		$	17,127
Current finance lease liabilities					$	3,499		$	6,959
Long-term finance lease liabilities					5,820			7,167
Total finance lease liabilities					$	9,319		$	14,126
Weighted average remaining lease term (years):
Operating leases					8.8			9.1
Finance lease					3.5			2.8
Weighted average discount rate:
Operating leases					4.8		%	4.7		%
Finance leases					5.7		%	5.3		%
Maturities of lease liabilities, as of July 1, 2023, were as follows:
					Operating Leases			Finance Leases
2023 (six months)					$	4,831		$	2,142
2024					8,762			3,052
2025					6,787			2,435
2026					5,242			990
2027					4,233			760
2028					3,432			513
Thereafter					17,664			570
Total lease payments					50,951			10,462
Less imputed interest					(9,681)			(1,143)
Present value of lease payments					$	41,270		$	9,319

12.COMMITMENTS AND CONTINGENCIES

The Company is party to certain legal actions arising from the ordinary course of business activities. Accruals are recorded when the outcome is probable and can be reasonably estimated. While the ultimate results of claims and litigation cannot be predicted with certainty, management expects that the ultimate resolution of all current pending or threatened claims and

17

litigation will not have a material effect on the Company’s consolidated financial position, results of operations or liquidity. The Company records legal fees as incurred.

In March 2018, we were notified of an investigation by the Canadian Competition Bureau (the “CCB”) into pricing practices by certain asphalt paving contractors in British Columbia, including Winvan Paving, Ltd. (“Winvan”). We believe the investigation is focused on time periods prior to our April 2017 acquisition of Winvan and we are cooperating with the CCB. Although we currently do not believe this matter will have a material adverse effect on our business, financial condition or results of operations, we are currently not able to predict the ultimate outcome or cost of the investigation.

Environmental Remediation and Site Restoration —The Company’s operations are subject to and affected by federal, state, provincial and local laws and regulations relating to the environment, health and safety and other regulatory matters. These operations require environmental operating permits, which are subject to modification, renewal and revocation. The Company regularly monitors and reviews its operations, procedures and policies for compliance with these laws and regulations. Despite these compliance efforts, risk of environmental liability is inherent in the operation of the Company’s business, as it is with other companies engaged in similar businesses and there can be no assurance that environmental liabilities or noncompliance will not have a material adverse effect on the Company’s consolidated financial condition, results of operations or liquidity.

The Company has asset retirement obligations arising from regulatory and contractual requirements to perform reclamation activities at the time certain quarries and landfills are closed. As of July 1, 2023 and December 31, 2022, $36.6 million and $36.3 million, respectively, were included in other noncurrent liabilities on the consolidated balance sheets and $4.9 million and $4.0 million, respectively, were included in accrued expenses for future reclamation costs. The total undiscounted anticipated costs for site reclamation as of July 1, 2023 and December 31, 2022 were $125.2 million and $124.9 million, respectively.

Other—The Company is obligated under various firm purchase commitments for certain raw materials and services that are in the ordinary course of business. Management does not expect any significant changes in the market value of these goods and services during the commitment period that would have a material adverse effect on the financial condition, results of operations and cash flows of the Company. The terms of the purchase commitments generally approximate one year.

13.FAIR VALUE

Fair Value Measurements—Certain acquisitions made by the Company require the payment of contingent amounts of purchase consideration. These payments are contingent on specified operating results being achieved in periods subsequent to the acquisition and will only be made if earn-out thresholds are achieved. Contingent consideration obligations are measured at fair value each reporting period. Any adjustments to fair value are recognized in earnings in the period identified.

The fair value of contingent consideration as of July 1, 2023 and December 31, 2022 was:

	July 1, 2023		December 31, 2022
Current portion of acquisition-related liabilities and Accrued expenses:
Contingent consideration	$	336	$	336
Acquisition-related liabilities and Other noncurrent liabilities:
Contingent consideration	$	5,102	$	4,981

The fair value of contingent consideration was based on unobservable, or Level 3, inputs, including projected probability-weighted cash payments and a 10.0% discount rate, which reflects a market discount rate. Changes in fair value may occur as a result of a change in actual or projected cash payments, the probability weightings applied by the Company to projected payments or a change in the discount rate. Significant increases or decreases in any of these inputs in isolation could result in a lower, or higher, fair value measurement. There were no material valuation adjustments to contingent consideration as of July 1, 2023 and July 2, 2022.

Financial Instruments—The Company’s financial instruments include debt and certain acquisition-related liabilities (deferred consideration and noncompete obligations). The carrying value and fair value of these financial instruments as of July 1, 2023 and December 31, 2022 was:

18

	July 1, 2023				December 31, 2022
	Fair Value		Carrying Value		Fair Value		Carrying Value
Level 1
Long-term debt(1)	$	1,456,913	$	1,502,511	$	1,447,673	$	1,504,549
Level 3
Current portion of deferred consideration and noncompete obligations(2)	6,907		6,907		13,382		13,382
Long term portion of deferred consideration and noncompete obligations(3)	18,401		18,401		24,070		24,070

(1)$5.1 million was included in current portion of debt as of July 1, 2023 and December 31, 2022.

(2)Included in current portion of acquisition-related liabilities on the consolidated balance sheets.

(3)Included in acquisition-related liabilities on the consolidated balance sheets.

The fair value of debt was determined based on observable, or Level 1, inputs, such as interest rates, bond yields and quoted prices in inactive markets. The fair values of the deferred consideration and noncompete obligations were determined based on unobservable, or Level 3, inputs, including the cash payment terms in the purchase agreements and a discount rate reflecting the Company’s credit risk. The discount rate used is generally consistent with that used when the obligations were initially recorded.

Securities with a maturity of three months or less are considered cash equivalents and the fair value of these assets approximates their carrying value.

14.SEGMENT INFORMATION

The Company has three operating segments: West, East and Cement, which are its reporting segments. These segments are consistent with the Company’s management reporting structure.

The operating results of each segment are regularly reviewed and evaluated by the Chief Executive Officer, our Company’s Chief Operating Decision Maker (“CODM”). The CODM primarily evaluates the performance of the Company’s segments and allocates resources to them based on a segment profit metric that we call Adjusted EBITDA, which is computed as earnings from operations before interest, taxes, depreciation, depletion, amortization, accretion, and share-based compensation, as well as various other non-recurring, non-cash amounts.

The West and East segments have several subsidiaries that are engaged in various activities including quarry mining, aggregate production and contracting. The Cement segment is engaged in the production of Portland cement. Assets employed by each segment include assets directly identified with those operations. Corporate assets consist primarily of cash, property, plant and equipment for corporate operations and other assets not directly identifiable with a reportable business segment. The accounting policies applicable to each segment are consistent with those used in the consolidated financial statements.

The following tables display selected financial data for the Company’s reportable business segments as of July 1, 2023 and December 31, 2022 and for the three and six months ended July 1, 2023 and July 2, 2022:

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Revenue*:
West	$	430,738	$	383,750	$	681,620	$	635,982
East	186,537		209,153		316,926		331,643
Cement	111,875		93,651		165,992		139,876
Total revenue	$	729,150	$	686,554	$	1,164,538	$	1,107,501

*Intercompany sales are immaterial and the presentation above only reflects sales to external customers.

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	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Income from operations before taxes	$	107,209	$	246,713	$	69,531	$	207,170
Interest expense	27,902		20,599		55,322		40,748
Depreciation, depletion and amortization	54,042		46,455		104,230		96,934
Accretion	745		702		1,451		1,416
Loss on debt financings	—		—		493		—
Tax receivable agreement expense	—		954		—		954
Gain on sale of businesses	—		(156,053)		—		(170,258)
Non-cash compensation	5,216		4,734		9,924		10,156
Other	(3,369)		(70)		(8,005)		177
Total Adjusted EBITDA	$	191,745	$	164,034	$	232,946	$	187,297
Total Adjusted EBITDA by Segment:
West	$	104,517	$	84,644	$	137,195	$	117,336
East	47,617		46,694		66,469		54,830
Cement	52,872		43,241		52,882		37,422
Corporate and other	(13,261)		(10,545)		(23,600)		(22,291)
Total Adjusted EBITDA	$	191,745	$	164,034	$	232,946	$	187,297

	Six months ended
	July 1, 2023		July 2, 2022
Purchases of property, plant and equipment
West	$	70,687	$	58,137
East	30,378		45,910
Cement	19,477		19,875
Total reportable segments	120,542		123,922
Corporate and other	6,351		5,658
Total purchases of property, plant and equipment	$	126,893	$	129,580

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Depreciation, depletion, amortization and accretion:
West	$	28,144	$	22,012	$	54,517	$	46,587
East	15,718		14,915		31,253		33,210
Cement	9,891		9,460		17,889		17,034
Total reportable segments	53,753		46,387		103,659		96,831
Corporate and other	1,034		770		2,022		1,519
Total depreciation, depletion, amortization and accretion	$	54,787	$	47,157	$	105,681	$	98,350

	July 1, 2023		December 31, 2022
Total assets:
West	$	1,919,824	$	1,565,776
East	1,181,536		1,151,223
Cement	924,766		873,604
Total reportable segments	4,026,126		3,590,603
Corporate and other	369,361		665,089
Total	$	4,395,487	$	4,255,692

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SUMMIT MATERIALS, LLC AND SUBSIDIARIES

UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

The unaudited consolidated financial statements and notes thereto for Summit Materials, LLC and subsidiaries are included as Exhibit 99.1 to this Quarterly Report on Form 10-Q and are incorporated by reference herein.

ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

This Management’s Discussion and Analysis of Financial Condition and Results of Operations is intended to assist in understanding and assessing the trends and significant changes in our results of operations and financial condition. Historical results may not be indicative of future performance. Forward-looking statements reflect our current views about future events, are based on assumptions and are subject to known and unknown risks and uncertainties that could cause actual results to differ materially from those contemplated by these statements. Factors that may cause differences between actual results and those contemplated by forward-looking statements include, but are not limited to, those discussed in the section entitled “Risk Factors” in the Annual Report, and factors discussed in the section entitled “Cautionary Note Regarding Forward-Looking Statements.” This Management’s Discussion and Analysis of Financial Condition and Results of Operations should be read in conjunction with our consolidated interim financial statements and the related notes and other information included in this report.

Overview

Summit’s vision is to be the most socially responsible, integrated construction materials solution provider, collaborating with stakeholders to deliver differentiated innovations and solve our customers’ challenges. Within our markets, we strive to be a market leader by offering customers a single-source provider for construction materials and related downstream products through our vertical integration. Our materials include aggregates, which we supply across the United States, and in British Columbia, Canada, and cement, which we supply to surrounding states along the Mississippi River from Minnesota to Louisiana. In addition to supplying aggregates to customers, we use a portion of our materials internally to produce ready-mix concrete and asphalt paving mix, which may be sold externally or used in our paving and related services businesses. Our vertical integration creates opportunities to increase aggregates volumes, optimize margin at each stage of production and provide customers with efficiency gains, convenience and reliability, which we believe gives us a competitive advantage.

We are organized into 10 operating companies that make up our three distinct operating segments: West, East and Cement, which are also our reporting segments. We operate in 21 U.S. states and in British Columbia, Canada and currently have assets in 22 U.S. states and in British Columbia, Canada. The map below illustrates our geographic footprint.

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Business Trends and Conditions

The U.S. construction materials industry is composed of four primary sectors: aggregates; cement; ready-mix concrete; and asphalt paving mix. Each of these materials is widely used in most forms of construction activity. Participants in these sectors typically range from small, privately-held companies focused on a single material, product or market to publicly traded multinational corporations that offer a wide array of construction materials and services. Competition is constrained in part by the distance materials can be transported efficiently, resulting in predominantly local or regional operations. Due to the lack of significant product differentiation, competition for all of our products is predominantly based on price, product availability and service. Accordingly, our profitability is generally dependent on the level of demand for our materials and products and our ability to control operating costs. We continue to monitor supply chain issues, as well as inflationary pressures on our raw material inputs as well as labor costs.

Our revenue is derived from multiple end-use markets including public infrastructure construction and private residential and nonresidential construction. Public infrastructure includes spending by federal, state, provincial and local governments for roads, highways, bridges, airports and other infrastructure projects. Public infrastructure projects have historically been a relatively stable portion of state and federal budgets. Residential and nonresidential construction consists of new construction and repair and remodel markets. Any economic stagnation or decline, which could vary by local region and market, could affect our results of operations. Our sales and earnings are sensitive to national, regional and local economic conditions and particularly to cyclical changes in construction spending, especially in the private sector. From a macroeconomic view, we continue to see positive indicators for highway obligations as funds from the Infrastructure Investment and Jobs Act (“IIJA”) are beginning to be spent in our markets. We are seeing the impact of rising interest rates and inflation on residential

22

markets in our geographies. Rising interest rates and inflation may also impact our non-residential construction activity in the future as non-residential activity tends to lag behind residential activity by a year or so.

Transportation infrastructure projects, driven by both federal and state funding programs, represent a significant share of the U.S. construction materials market. Federal funds are allocated to the states, which are required to match a portion of the federal funds they receive. Federal highway spending uses funds predominantly from the Federal Highway Trust Fund, which derives its revenue from taxes on diesel fuel, gasoline and other user fees. The dependability of federal funding allows state departments of transportation to plan for their long-term highway construction and maintenance needs. The IIJA provides $1.2 trillion in funding over five years from 2022 through 2026, which includes $347.8 billion for highways, and $91.0 billion for transit.

In 2022, approximately 65% of our revenue was derived from the private construction market, and the remaining revenue from the public markets. We believe residential activity in our key markets will continue to be a driver for volumes in future periods. Funding for public infrastructure projects is expected to remain a high priority.

In addition to federal funding, state, county and local agencies provide highway construction and maintenance funding. Our four largest states by revenue, Texas, Utah, Kansas and Missouri, represented approximately 24%, 17%, 10% and 10%, respectively, of our total revenue in 2022. The following is a summary of key funding initiatives in those states:

•The Texas Department of Transportation (“TXDOT”) fiscal year 2024-2025 biennial state budget bill was signed by the Governor on June 18, 2023. The TXDOT budget for fiscal year 2024 totals $18.54 billion, a 24% increase over fiscal year 2023 of $14.96 billion. Since the biennial budget for fiscal year 2023 was determined in 2021, prior to passage of the IIJA, the new bill is the first biennial state budget to incorporate increased federal funding under the IIJA.

•The state of Utah anticipates transportation funding of approximately $2.9 billion in fiscal year 2024.

•The Governor's Budget for the Kansas Department of Transportation totals $2.32 billion for fiscal year 2024.

•The state budget for the Missouri Department of Transportation grew by 17% between fiscal year 2023 and fiscal year 2024, from $3.51 billion to $4.11 billion.

Use and consumption of our products fluctuate due to seasonality. Nearly all of the products used by us, and by our customers, in the private construction and public infrastructure industries are used outdoors. Our highway operations and production and distribution facilities are also located outdoors. Therefore, seasonal changes and other weather-related conditions, in particular extended rainy and cold weather in the spring and fall, as well as major weather events such as hurricanes, tornadoes, tropical storms, heavy snows and flooding, can adversely affect our business and operations through a decline in both the use of our products and demand for our services. In addition, construction materials production and shipment levels follow activity in the construction industry, which typically occurs in the spring, summer and fall. Warmer and drier weather during the second and third quarters of our fiscal year typically result in higher activity and revenue levels during those quarters. The first quarter of our fiscal year typically has lower levels of activity due to weather conditions, and the third quarter of our fiscal year typically has the highest levels of activity.

We are subject to commodity price risk with respect to price changes in liquid asphalt and energy, including fossil fuels and electricity for aggregates, cement, ready-mix concrete and asphalt paving mix production, natural gas for hot mix asphalt production and diesel fuel for distribution vehicles and production related mobile equipment. Liquid asphalt escalator provisions in most of our private and commercial contracts limit our exposure to price fluctuations in this commodity. We often obtain similar escalators on public infrastructure contracts. In addition, we enter into various firm purchase commitments, with terms generally less than one year, for certain raw materials, including diesel fuel.

Backlog

Our products are generally delivered upon receipt of orders or requests from customers, or shortly thereafter. Accordingly, the backlog associated with product sales is converted into revenue within a relatively short period of time. Inventory for products is generally maintained in sufficient quantities to meet rapid delivery requirements of customers. Therefore, a period-over-period increase or decrease of backlog does not necessarily result in an improvement or a deterioration of our business. Our backlog includes only those products and projects for which we have obtained a purchase order or a signed contract with the customer and does not include products purchased and sold or services awarded and provided within the period.

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Financial Highlights

The principal factors in evaluating our financial condition and operating results as of and for the three and six months ended July 1, 2023 as compared to the three and six months ended July 2, 2022, and certain other highlights include:

•Net revenue increased $48.5 million and $63.2 million in the three and six months ended July 1, 2023, respectively, primarily resulting from increases in average sales prices which more than offset reduced volumes and decreases due to divestitures completed in 2022.

•Our operating income increased $18.4 million and $37.2 million in the three and six months ended July 1, 2023, respectively, as our increases in revenue overcame inflationary impacts on our cost of revenue.

•In the three and six months ended July 1, 2023, average sales price increased 14.5% and 17.1% in aggregates, 16.0% and 15.6% in cement, 13.9% and 14.6% in ready-mix concrete and 17.9% and 18.8% in asphalt, respectively.

•In the three and six months ended July 1, 2023, sales volume decreased 2.5% and 4.2% in aggregates, 0.3% and 0.5% in cement, 4.4% and 13.3% in ready-mix concrete and 17.0% and 10.2% in asphalt, respectively.

•In the first six months of 2023, we closed on three acquisitions in the West segment, including one in the Phoenix, Arizona market, and one in the East segment for a total of $237.7 million using existing cash balances.

Results of Operations

The following discussion of our results of operations is focused on the key financial measures we use to evaluate the performance of our business from both a consolidated and operating segment perspective. Operating income and margins are discussed in terms of changes in volume, pricing and mix of revenue source (i.e., type of product, sales or service revenue). We focus on operating margin, which we define as operating income as a percentage of net revenue, as a key metric when assessing the performance of the business, as we believe that analyzing changes in costs in relation to changes in revenue provides more meaningful insight into the results of operations than examining costs in isolation.

Operating income (loss) reflects our profit from operations after taking into consideration cost of revenue, general and administrative expenses, depreciation, depletion, amortization and accretion and gain on sale of property, plant and equipment. Cost of revenue generally increases ratably with revenue, as labor, transportation costs and subcontractor costs are recorded in cost of revenue. As organic volumes increase, we expect our general and administrative costs as a percentage of revenue to decrease. General and administrative expenses as a percentage of revenue vary throughout the year due to the seasonality of our business.

Consolidated Results of Operations

The table below sets forth our consolidated results of operations for the three and six months ended July 1, 2023 and July 2, 2022. 

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	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
($ in thousands)
Net revenue	$	680,373	$	631,918	$	1,087,643	$	1,024,413
Delivery and subcontract revenue	48,777		54,636		76,895		83,088
Total revenue	729,150		686,554		1,164,538		1,107,501
Cost of revenue (excluding items shown separately below)	492,403		484,205		846,440		837,585
General and administrative expenses	55,550		47,651		101,912		99,575
Depreciation, depletion, amortization and accretion	54,787		47,157		105,681		98,350
Gain on sale of property, plant and equipment	(3,223)		(3,695)		(3,653)		(4,950)
Operating income	129,633		111,236		114,158		76,941
Interest expense	27,902		20,599		55,322		40,748
Loss on debt financings	—		—		493		—
Tax receivable agreement expense	—		954		—		954
Gain on sale of businesses	—		(156,053)		—		(170,258)
Other income, net	(5,478)		(977)		(11,188)		(1,673)
Income from operations before taxes	107,209		246,713		69,531		207,170
Income tax expense	22,481		53,947		16,015		49,204
Net income	$	84,728	$	192,766	$	53,516	$	157,966

Three and six months ended July 1, 2023 compared to the three and six months ended July 2, 2022

	Three months ended										Six months ended
($ in thousands)	July 1, 2023			July 2, 2022			Variance				July 1, 2023			July 2, 2022			Variance
Net revenue	$	680,373		$	631,918		$	48,455	7.7	%	$	1,087,643		$	1,024,413		$	63,230	6.2	%
Operating income	129,633			111,236			18,397		16.5	%	114,158			76,941			37,217		48.4	%
Operating margin percentage	19.1		%	17.6		%					10.5		%	7.5		%
Adjusted EBITDA (1)	$	191,745		$	164,034		$	27,711	16.9	%	$	232,946		$	187,297		$	45,649	24.4	%
Adjusted EBITDA Margin (1)	28.2		%	26.0		%					21.4		%	18.3		%

(1)Adjusted EBITDA and Adjusted EBITDA Margin are non-GAAP measures that we find helpful in monitoring the performance of our business. See "Non-GAAP Performance Measures" below for a reconciliation of Adjusted EBITDA to net income (loss), which is the most directly comparable GAAP measure.

Net revenue increased $48.5 million in the three months ended July 1, 2023, due to increases in our average sales prices, our acquisition program, as well as organic revenue increases in the West, East and Cement segments, more than offsetting a $36.7 million decrease in net revenue in the East segment related to divestitures. We also realized an increase in net revenues of $26.6 million from our 2023 acquisitions. Of the increase in net revenue, $37.8 million was from increased revenue of materials, $15.0 million from increased revenue from products and $4.3 million from decreased service revenue. We experienced organic volume decline of 2.0%, 0.3% and 11.0% in our aggregates, cement and ready-mix concrete lines of business, respectively, while our organic asphalt volumes increased 2.1%. Our organic volume declines in aggregates and ready-mix concrete occurred primarily in the West segment, due to volume decreases in our residential markets as well as weather related impacts. We achieved organic price growth across all lines of business during the second quarter of 2023. Additional detail about the impact of acquisitions and divestitures on each segment is presented below where material.

Net revenue increased $63.2 million in the six months ended July 1, 2023, primarily resulting from organic price increases across all lines of business. Of the increase in net revenue, $64.5 million was from increased sales of materials, $4.7 million from increased sales of products, partially offset by $6.0 million from decreased service revenue. Our organic volumes declined 2.6%, 0.5% and 14.8% in aggregates, cement and ready-mix concrete, respectively, while our organic asphalt volumes increased 8.5%. The organic volume decreases for aggregates and ready-mix were primarily attributable to unfavorable winter weather and reduced activity in residential markets in our West segment. We had organic price growth in our aggregate, cement, ready-mix and asphalt lines of business of 17.0%, 15.6%, 14.4% and 16.0%, respectively, during the first six months of 2023.

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Operating income increased by $18.4 million and $37.2 million in the three and six months ended July 1, 2023, respectively, due to increases in average sales price that exceeded inflationary increases in cost of revenue and more than offset lower volumes.

Our operating margin percentage for the three and six months ended July 1, 2023 increased from 17.6% to 19.1% and from 7.5% to 10.5%, respectively, from the comparable period a year ago, due to the factors noted above. Adjusted EBITDA, as defined in "Non-GAAP Performance Measures" below, increased by $27.7 million and $45.6 million in the three and six months ended July 1, 2023, respectively, due to the factors noted above.

As a vertically-integrated company, we include intercompany sales from materials to products and from products to services when assessing the operating results of our business. We refer to revenue inclusive of intercompany sales as gross revenue. These intercompany transactions are eliminated in the consolidated financial statements. Gross revenue by product was as follows: 

	Three months ended								Six months ended
($ in thousands)	July 1, 2023		July 2, 2022		Variance				July 1, 2023		July 2, 2022		Variance
Revenue by product*:
Aggregates	$	223,727	$	200,535	$	23,192	11.6	%	$	392,664	$	349,961	$	42,703	12.2	%
Cement	104,889		90,689		14,200		15.7	%	154,631		134,495		20,136		15.0	%
Ready-mix concrete	199,826		183,425		16,401		8.9	%	338,970		341,027		(2,057)		(0.6)	%
Asphalt	91,926		98,001		(6,075)		(6.2)	%	118,643		115,502		3,141		2.7	%
Paving and related services	151,011		168,689		(17,678)		(10.5)	%	191,728		209,026		(17,298)		(8.3)	%
Other	(42,229)		(54,785)		12,556		22.9	%	(32,098)		(42,510)		10,412		24.5	%
Total revenue	$	729,150	$	686,554	$	42,596	6.2	%	$	1,164,538	$	1,107,501	$	57,037	5.2	%

*Revenue by product includes intercompany and intracompany sales transferred at market value. The elimination of intracompany transactions is included in Other. Revenue from the liquid asphalt terminals is included in asphalt revenue.

Detail of our volumes and average selling prices by product in the three and six months ended July 1, 2023 and July 2, 2022 were as follows:   

	Three months ended
	July 1, 2023			July 2, 2022
	Volume(1)			Volume(1)			Percentage Change in
	(in thousands)	Pricing(2)		(in thousands)	Pricing(2)		Volume		Pricing
Aggregates	16,396	$	13.65	16,820	$	11.92	(2.5)	%	14.5	%
Cement	703	149.10		705	128.57		(0.3)	%	16.0	%
Ready-mix concrete	1,333	149.91		1,394	131.63		(4.4)	%	13.9	%
Asphalt	1,096	83.90		1,321	71.16		(17.0)	%	17.9	%
	Six months ended
	July 1, 2023			July 2, 2022
	Volume(1)			Volume(1)			Percentage Change in
	(in thousands)	Pricing(2)		(in thousands)	Pricing(2)		Volume		Pricing
Aggregates	28,968	$	13.56	30,223	$	11.58	(4.2)	%	17.1	%
Cement	1,041	148.55		1,046	128.52		(0.5)	%	15.6	%
Ready-mix concrete	2,284	148.41		2,635	129.45		(13.3)	%	14.6	%
Asphalt	1,420	83.54		1,582	70.33		(10.2)	%	18.8	%

(1)Volumes are shown in tons for aggregates, cement and asphalt and in cubic yards for ready-mix concrete.

(2)Pricing is shown on a per ton basis for aggregates, cement and asphalt and on a per cubic yard basis for ready-mix concrete.

Revenue from aggregates increased $23.2 million and $42.7 million in the three and six months ended July 1, 2023, respectively. In the three months ended July 1, 2023 we had strong organic price increases which were partially offset by a decrease in organic aggregate volumes. Organic aggregate volumes decreased 2.6% in the first six months of 2023 as compared to the same period a year ago, primarily due to moderating demand, as well as unfavorable weather conditions in certain

26

geographies as noted below. Aggregate average sales price of $13.56 per ton increased 17.1% in the first six months of 2023 as compared to the first six months of 2022, due to pricing actions designed to more than offset current inflationary conditions. We continue to focus on pricing to what local market conditions will allow.

Revenue from cement increased $14.2 million and $20.1 million in the three and six months ended July 1, 2023, respectively. In the three and six months ended July 1, 2023, organic cement average sales prices increased 16.0% and 15.6%, respectively, due to the current pricing environment as noted above.

Revenue from ready-mix concrete increased $16.4 million and decreased $2.1 million in the three and six months ended July 1, 2023, respectively. In the three and six months ended July 1, 2023, our ready-mix volumes decreased 4.4% and 13.3%, respectively, and our average sales prices increased 13.9% and 14.6%, respectively. The volume decrease in the three and six months ended July 1, 2023 occurred primarily in our Intermountain West market due to unfavorable weather and moderating demand in our residential markets, while our price increases occurred across all of our major markets.

Revenue from asphalt decreased $6.1 million and increased $3.1 million in the three and six months ended July 1, 2023, respectively. Revenue decreased in the three months ended July 1, 2023 due to the impact of 2022 divestitures in our East segment. In the first six months of 2023, organic volumes increased by 8.5% due to increases in our North Texas market. In the first six months of 2023, organic pricing increased 16.0%, with strong pricing gains across all our major markets.

Other Financial Information

Interest Expense

Our interest expense was $27.9 million and $55.3 million in the three and six months ended July 1, 2023, respectively, and $20.6 million and $40.7 million in the three and six months ended July 2, 2022, respectively. Although our total debt balance has decreased $30.7 million from July 2, 2022 to July 1, 2023, rising interest rates led to higher interest expense in 2023, which is expected to continue during the rest of 2023.

Income Tax Expense

Our income tax expense was $22.5 million and $16.0 million in the three and six months ended July 1, 2023, respectively, and our income tax expense was $53.9 million and $49.2 million in the three and six months ended July 2, 2022, respectively. The effective tax rate for Summit Inc. differs from the federal statutory tax rate primarily due to (1) tax depletion expense in excess of the expense recorded under U.S. GAAP, (2) basis differences in assets divested, (3) state taxes, (4) the minority interest in the Summit Holdings partnership that is allocated outside of the Company and (5) various other items such as limitations on meals and entertainment, certain stock compensation and other costs.

The ultimate realization of deferred tax assets is dependent upon the generation of future taxable income during the periods in which those temporary differences become deductible, as well as consideration of tax-planning strategies we may seek to utilize net operating loss carryforwards that begin to expire in 2030.

As of July 1, 2023 and December 31, 2022, Summit Inc. had a valuation allowance of $1.1 million and $1.1 million, respectively, which relates to certain deferred tax assets in taxable entities where realization is not more likely than not.

Segment results of operations

West Segment

	Three months ended										Six months ended
($ in thousands)	July 1, 2023			July 2, 2022			Variance				July 1, 2023			July 2, 2022			Variance
Net revenue	$	400,038		$	352,510		$	47,528	13.5	%	$	634,408		$	588,512		$	45,896	7.8	%
Operating income	74,680			62,580			12,100		19.3	%	80,393			70,572			9,821		13.9	%
Operating margin percentage	18.7		%	17.8		%					12.7		%	12.0		%
Adjusted EBITDA (1)	$	104,517		$	84,644		$	19,873	23.5	%	$	137,195		$	117,336		$	19,859	16.9	%
Adjusted EBITDA Margin (1)	26.1		%	24.0		%					21.6		%	19.9		%

27

(1)Adjusted EBITDA and Adjusted EBITDA Margin are non-GAAP measures that we find helpful in monitoring the performance of our business. See "Non-GAAP Performance Measures" below for a reconciliation of Adjusted EBITDA to net income (loss), which is the most directly comparable GAAP measure.

Net revenue in the West segment increased $47.5 million and $45.9 million for the three and six months ended July 1, 2023, respectively, due to net revenue increases across all lines of business and from the impact of acquisitions of $24.1 million and $25.4 million, respectively. Organic aggregates average sales prices increased 17.6% and 21.0% in the three and six months ended July 1, 2023, respectively, as price increases were implemented across all geographies. Organic aggregate volumes decreased 11.8% in the six month period due, in part, to unfavorable weather conditions in our Intermountain West market, as well softness in our residential markets, as compared to the first six months of 2022. Organic ready-mix concrete volumes decreased 16.8% and our organic ready-mix concrete average sales prices increased 14.8% in the first six months of 2023. Higher mortgage interest rates are negatively impacting residential demand and, by extension limiting residential construction activity. These conditions are affecting, to varying degrees, our two largest markets, Houston and Salt Lake City.

The West segment’s operating income increased $12.1 million and $9.8 million in the three and six months ended July 1, 2023, respectively. Adjusted EBITDA increased $19.9 million and $19.9 million in the three and six months ended July 1, 2023, respectively, due to the price increases noted above and from the impact of acquisitions of $7.6 million and $7.8 million, respectively. Adjusted EBITDA margin increased to 26.1% from 24.0% and to 21.6% from 19.9% during the three and six months ended July 1, 2023, respectively. The operating margin percentage in the West segment increased in the three and six months ended July 1, 2023 due to favorable product mix relative to prior year.

Gross revenue by product/ service was as follows:  

	Three months ended								Six months ended
($ in thousands)	July 1, 2023		July 2, 2022		Variance				July 1, 2023		July 2, 2022		Variance
Revenue by product*:
Aggregates	$	110,258	$	97,772	$	12,486	12.8	%	$	190,772	$	175,554	$	15,218	8.7	%
Ready-mix concrete	172,654		156,693		15,961		10.2	%	295,910		291,284		4,626		1.6	%
Asphalt	82,752		65,906		16,846		25.6	%	106,513		79,506		27,007		34.0	%
Paving and related services	131,102		116,365		14,737		12.7	%	168,494		148,868		19,626		13.2	%
Other	(66,028)		(52,986)		(13,042)		(24.6)	%	(80,069)		(59,230)		(20,839)		(35.2)	%
Total revenue	$	430,738	$	383,750	$	46,988	12.2	%	$	681,620	$	635,982	$	45,638	7.2	%

*Revenue by product includes intercompany and intracompany sales transferred at market value. The elimination of intracompany transactions is included in “Other.” Revenue from the liquid asphalt terminals is included in asphalt revenue.

The West segment’s percent changes in sales volumes and pricing in the three and six months ended July 1, 2023 from the three and six months ended July 2, 2022 were as follows:

	Three months ended				Six months ended
	Percentage Change in				Percentage Change in
	Volume		Pricing		Volume		Pricing
Aggregates	(4.8)	%	18.5	%	(10.7)	%	21.6	%
Ready-mix concrete	(3.2)	%	13.7	%	(11.7)	%	15.0	%
Asphalt	8.3	%	16.0	%	14.2	%	17.3	%

Revenue from aggregates in the West segment increased $12.5 million and $15.2 million in the three and six months ended July 1, 2023, respectively. Aggregates pricing for the three and six months ended July 1, 2023 increased 18.5% and 21.6%, respectively, when compared to the same period in 2022. Increased average sales prices more than offset a 4.8% decrease in sales volumes in the second quarter of 2023. In the three months ended July 1, 2023, aggregate volumes decreased in our South Texas and British Columbia markets. Aggregate volume declines in the second quarter of 2023 were primarily attributable to a slowdown in our private markets as noted above.

Revenue from ready-mix concrete in the West segment increased $16.0 million and $4.6 million in the three and six months ended July 1, 2023, respectively. For the three and six months ended July 1, 2023, our organic ready-mix concrete volumes decreased 12.9% and 16.8%, respectively, which was more than offset by increased organic ready-mix concrete prices of 13.5% and 14.8%, respectively. For the three and six months ended July 1, 2023, our organic ready-mix concrete volumes decreased due to unfavorable weather in our Intermountain West geography and reduced residential demand.

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Revenue from asphalt in the West segment increased $16.8 million and $27.0 million in the three and six months ended July 1, 2023, respectively. For the three and six months ended July 1, 2023, asphalt volumes increased 8.3% and 14.2%, respectively, due primarily to growth in our North Texas and British Columbia markets. Average sales prices for asphalt increased 16.0% and 17.3% in the three and six months ended July 1, 2023, respectively. Revenue for paving and related services in the West segment increased by $14.7 million and $19.6 million in the three and six months ended July 1, 2023, respectively.

Prior to eliminations of intercompany transactions, the net effect of volume and pricing changes on gross revenue in the six months ended July 1, 2023 was approximately $(35.9) million and $82.7 million, respectively.

East Segment

	Three months ended										Six months ended
($ in thousands)	July 1, 2023			July 2, 2022			Variance				July 1, 2023			July 2, 2022			Variance
Net revenue	$	168,460		$	185,757		$	(17,297)	(9.3)	%	$	287,243		$	296,025		$	(8,782)	(3.0)	%
Operating income	31,603			31,625			(22)		(0.1)	%	34,567			20,898			13,669		65.4	%
Operating margin percentage	18.8		%	17.0		%					12.0		%	7.1		%
Adjusted EBITDA (1)	$	47,617		$	46,694		$	923	2.0	%	$	66,469		$	54,830		$	11,639	21.2	%
Adjusted EBITDA Margin (1)	28.3		%	25.1		%					23.1		%	18.5		%

(1)Adjusted EBITDA and Adjusted EBITDA Margin are non-GAAP measures that we find helpful in monitoring the performance of our business. See "Non-GAAP Performance Measures" below for a reconciliation of Adjusted EBITDA to net income (loss), which is the most directly comparable GAAP measure.

Net revenue in the East segment decreased $17.3 million and $8.8 million in the three and six months ended July 1, 2023, respectively, as compared to the same period a year ago, primarily due to the impact from divestitures of $36.7 million and $55.7 million, respectively. Operating income remained flat and increased $13.7 million in the three and six months ended July 1, 2023, respectively, as increases in average sales prices exceeded inflationary increases in our cost of revenue. Adjusted EBITDA increased $0.9 million and $11.6 million in the three and six months ended July 1, 2023, respectively, noting divestitures negatively impacted the second quarter Adjusted EBITDA increase by $5.3 million. Operating income margin increased to 18.8% from 17.0% and to 12.0% from 7.1% in the three and six months ended July 1, 2023, respectively, as compared to the same period a year ago. Adjusted EBITDA Margin increased to 28.3% from 25.1% and to 23.1% from 18.5% in the three and six months ended July 1, 2023, respectively, as compared to the same period a year ago, as the impact of our Elevate Summit strategy to divest underperforming businesses is being realized.

Gross revenue by product/ service was as follows:  

	Three months ended								Six months ended
($ in thousands)	July 1, 2023		July 2, 2022		Variance				July 1, 2023		July 2, 2022		Variance
Revenue by product*:
Aggregates	$	113,469	$	102,763	$	10,706	10.4	%	$	201,892	$	174,407	$	27,485	15.8	%
Ready-mix concrete	27,172		26,732		440		1.6	%	43,060		49,743		(6,683)		(13.4)	%
Asphalt	9,174		32,095		(22,921)		(71.4)	%	12,130		35,996		(23,866)		(66.3)	%
Paving and related services	19,909		52,324		(32,415)		(62.0)	%	23,234		60,158		(36,924)		(61.4)	%
Other	16,813		(4,761)		21,574		453.1	%	36,610		11,339		25,271		222.9	%
Total revenue	$	186,537	$	209,153	$	(22,616)	(10.8)	%	$	316,926	$	331,643	$	(14,717)	(4.4)	%

*Revenue by product includes intercompany and intracompany sales transferred at market value. The elimination of intracompany transactions is included in Other. Revenue from the liquid asphalt terminals is included in asphalt revenue.

The East segment’s percent changes in sales volumes and pricing in the three and six months ended July 1, 2023 from the three and six months ended July 2, 2022 were as follows:   

29

	Three months ended				Six months ended
	Percentage Change in				Percentage Change in
	Volume		Pricing		Volume		Pricing
Aggregates	0.1	%	10.3	%	3.8	%	11.6	%
Ready-mix concrete	(10.9)	%	14.2	%	(22.4)	%	11.6	%
Asphalt	(71.3)	%	13.2	%	(66.6)	%	14.1	%

Revenue from aggregates in the East segment increased $10.7 million and $27.5 million in the three and six months ended July 1, 2023, respectively, as compared to the same period a year ago. Aggregate volumes in the three and six months of 2023 increased 0.1% and 3.8%, respectively, primarily due to favorable weather and increased demand in 2023. Excluding the impact of the divestitures in 2022, aggregate volumes in the three and six months ended July 1, 2023 increased 5.7% and 12.2%, respectively. Aggregates organic pricing increased 10.5% and 11.3% in the three and six months ended July 1, 2023, respectively, as compared to the same period a year ago.

Revenue from ready-mix concrete in the East segment remained flat and decreased $6.7 million as ready-mix concrete volumes decreased 10.9% and 22.4% in the three and six months ended July 1, 2023, respectively, as compared to the same period in 2022, primarily due to our divestiture program. In the six months ended July 1, 2023, our ready-mix concrete average sales prices increased 11.6%.

Revenue from asphalt decreased $22.9 million and $23.9 million in the three and six months ended July 1, 2023, respectively, when compared to the same period in 2022. Asphalt pricing increased 14.1% in the six months ended July 1, 2023, due to increases in liquid asphalt. Paving and related service revenue decreased $32.4 million and $36.9 million in the three and six months ended July 1, 2023, respectively, primarily due to our divestitures noted above.

Prior to eliminations of intercompany transactions, the net effect of volume and pricing changes on gross revenue in the six months ended July 1, 2023 was approximately $(16.7) million and $19.8 million, respectively.

Cement Segment

	Three months ended										Six months ended
($ in thousands)	July 1, 2023			July 2, 2022			Variance				July 1, 2023			July 2, 2022			Variance
Net revenue	$	111,875		$	93,651		$	18,224	19.5	%	$	165,992		$	139,876		$	26,116	18.7	%
Operating income	43,037			33,718			9,319		27.6	%	35,093			20,212			14,881		73.6	%
Operating margin percentage	38.5		%	36.0		%					21.1		%	14.4		%
Adjusted EBITDA (1)	$	52,872		$	43,241		$	9,631	22.3	%	$	52,882		$	37,422		$	15,460	41.3	%
Adjusted EBITDA Margin (1)	47.3		%	46.2		%					31.9		%	26.8		%

(1)Adjusted EBITDA and Adjusted EBITDA Margin are non-GAAP measures that we find helpful in monitoring the performance of our business. See "Non-GAAP Performance Measures" below for a reconciliation of Adjusted EBITDA to net income (loss), which is the most directly comparable GAAP measure.

Net revenue in the Cement segment increased $18.2 million and $26.1 million primarily due to average price increases of 16.0% and 15.6% in the three and six months ended July 1, 2023, respectively.

Operating income increased $9.3 million and $14.9 million during the three and six months ended July 1, 2023, respectively. Adjusted EBITDA margin increased to 47.3% from 46.2% and to 31.9% from 26.8% in the three and six months ended July 1, 2023, respectively. Operating income, Adjusted EBITDA and Adjusted EBITDA margin benefited from higher average sales price and a greater contribution from our Green America Recycling facility in 2023 as compared to 2022.

Operating margin percentage for the three and six months ended July 1, 2023 increased to 38.5% from 36.0% and to 21.1% from 14.4%, respectively, from the comparable period a year ago. The increased operating margin for the six months ended July 1, 2023 was primarily due to increases in our average sales price targeted to exceed inflationary pressures, greater usage of lower cost alternative fuels, increased operating income through increased utilization of our Green American Recycling facility and lower distribution costs driven, in part, by utilizing our recently completed cement storage dome in Davenport, IA.

Gross revenue by product was as follows:

30

	Three months ended								Six months ended
($ in thousands)	July 1, 2023		July 2, 2022		Variance				July 1, 2023		July 2, 2022		Variance
Revenue by product*:
Cement	$	104,889	$	90,689	$	14,200	15.7	%	$	154,631	$	134,495	$	20,136	15.0	%
Other	6,986		2,962		4,024		135.9	%	11,361		5,381		5,980		111.1	%
Total revenue	$	111,875	$	93,651	$	18,224	19.5	%	$	165,992	$	139,876	$	26,116	18.7	%

*Revenue by product includes intercompany and intracompany sales transferred at market value. Revenue from waste processing and the elimination of intracompany transactions is included in Other.

The Cement segment’s percent changes in sales volumes and pricing in the three and six months ended July 1, 2023 from the three and six months ended July 2, 2022 were as follows:

	Three months ended				Six months ended
	Percentage Change in				Percentage Change in
	Volume		Pricing		Volume		Pricing
Cement	(0.3)	%	16.0	%	(0.5)	%	15.6	%

Revenue from cement increased $14.2 million and $20.1 million in the three and six months ended July 1, 2023, respectively, due to organic cement pricing gains of 16.0% and 15.6%, partially offset by volume decreases of 0.3% and 0.5%, respectively.

Liquidity and Capital Resources

Our primary sources of liquidity include cash on-hand, cash provided by operations, amounts available for borrowing under our senior secured credit facilities and capital-raising activities in the debt and capital markets. In addition to our current sources of liquidity, we have access to liquidity through public offerings of shares of our Class A common stock. To facilitate such offerings, in January 2023, we filed a shelf registration statement with the SEC that will expire in January 2026. The amount of Class A common stock to be issued pursuant to this shelf registration statement was not specified when it was filed and there is no specific limit on the amount we may issue. The specifics of any future offerings, along with the use of the proceeds thereof, will be described in detail in a prospectus supplement, or other offering materials, at the time of any offering.

As of July 1, 2023, we had $230.0 million in cash and cash equivalents and $559.3 million of working capital compared to $520.5 million and $762.5 million, respectively, at December 31, 2022. Working capital is calculated as current assets less current liabilities. There were no restricted cash balances as of July 1, 2023 or December 31, 2022. In January 2023, we amended our senior secured revolving credit facility, increasing the total availability to $395.0 million and extending the maturity date to January 2028. We had no outstanding borrowings on our senior secured revolving credit facility, which had borrowing capacity of $374.1 million as of July 1, 2023, which is net of $20.9 million of outstanding letters of credit and is fully available to us within the terms and covenant requirements of our credit agreement governing the senior secured credit facilities (the “Credit Agreement”).

In March 2022, our Board of Directors authorized a share repurchase program, whereby we can repurchase up to $250.0 million of our Class A common stock. During the fiscal year 2022, we repurchased 3.4 million shares of Class A common stock for $101.0 million. No repurchases were made during the six month period ended July 1, 2023. As of July 1, 2023, approximately $149.0 million remained available for share repurchases under the share repurchase program.

Given the seasonality of our business, we typically experience significant fluctuations in working capital needs and balances throughout the year. Our working capital requirements generally increase during the first half of the year as we build up inventory and focus on repair and maintenance and other set-up costs for the upcoming season. Working capital levels then decrease as the construction season winds down and we enter the winter months, which is when we see significant inflows of cash from the collection of receivables.

As of July 1, 2023 and December 31, 2022, our long-term borrowings totaled $1.5 billion and $1.5 billion, respectively, for which we incurred $25.0 million and $49.2 million of interest expense for the three and six months ended July 1, 2023, respectively, and $18.1 million and $35.8 million for the three and six months ended July 2, 2022, respectively. We expect that normal operating cash flow will be sufficient to fund our seasonal working capital needs. We had no outstanding borrowings on the revolving credit facility as of July 1, 2023.

31

We believe we have access to sufficient financial resources from our liquidity sources to fund our business and operations, including contractual obligations, capital expenditures and debt service obligations, for at least the next twelve months. Our growth strategy contemplates future acquisitions for which we believe we have sufficient access to capital. We also plan to divest of certain dilutive businesses as we rationalize our portfolio, which will also generate additional capital.

We and our affiliates may from time to time purchase our outstanding debt through open market purchases, privately negotiated transactions or otherwise. Purchases or retirement of debt, if any, will depend on prevailing market conditions, liquidity requirements, contractual restrictions and other factors. The amounts involved may be material.

Indebtedness

Please refer to the notes to the consolidated interim financial statements for detailed information about our long-term debt, scheduled maturities of long-term debt and affirmative and negative covenants, including the maximum allowable consolidated first lien net leverage ratio. As of July 1, 2023, we were in compliance with all debt covenants. At July 1, 2023 and December 31, 2022, $1.5 billion and $1.5 billion, respectively, of total debt was outstanding under our respective debt agreements. Due to our ongoing divestiture program, we have made prepayments on our term loan and may be required to do so again in the future.

Cash Flows

The following table summarizes our net cash used in or provided by operating, investing and financing activities and our capital expenditures in the six months ended July 1, 2023 and July 2, 2022: 

	Summit Inc.
($ in thousands)	July 1, 2023		July 2, 2022
Net cash provided by (used in):
Operating activities	$	94,042	$	16,254
Investing activities	(360,651)		214,557
Financing activities	(24,579)		(145,996)

Operating activities

During the six months ended July 1, 2023, cash provided by operating activities was $94.0 million primarily as a result of:

•Net income of $53.5 million, decreased by non-cash expenses, including $110.7 million of depreciation, depletion, amortization and accretion expense and $9.9 million of share-based compensation, offset by the net gain on asset disposals of $3.7 million.

•Billed and unbilled accounts receivable increased by $129.9 million in the first six months of 2023 as a result of the seasonality of our business. The majority of our sales occur in the spring, summer and fall and we typically incur an increase in accounts receivable (net billed and unbilled) during the second and third quarters of each year. This amount is typically converted to cash in the fourth and first quarters. Our inventory levels also increased during the first quarter as we prepared for the increase in activity over the warmer months.

•The timing of payments associated with accounts payable and accrued expenses of cash, which is consistent with the seasonality of our business whereby we build-up inventory levels and incur repairs and maintenance costs to ready the business for increased sales volumes in the summer and fall. These costs are typically incurred in the first half of the year and paid by year-end. In addition, we made $38.1 million of interest payments in the six months ended July 1, 2023.

During the six months ended July 2, 2022, cash provided by operating activities was $16.3 million primarily as a result of:

•Net income of $158.0 million, decreased by non-cash expenses, including $107.5 million of depreciation, depletion, amortization and accretion expense and $10.2 million of share-based compensation, offset by the net gain on asset and business divestitures of $174.9 million.

•Billed and unbilled accounts receivable increased by $94.0 million in the first six months of 2022 as a result of the seasonality of our business. The majority of our sales occur in the spring, summer and fall and we typically incur

32

an increase in accounts receivable (net billed and unbilled) during the second and third quarters of each year. This amount is typically converted to cash in the fourth and first quarters. Our inventory levels decreased during the second quarter as business activity increased during the quarter.

•The timing of payments associated with accounts payable and accrued expenses of cash, which is consistent with the seasonality of our business whereby we build-up inventory levels and incur repairs and maintenance costs to ready the business for increased sales volumes in the summer and fall. These costs are typically incurred in the first half of the year and paid by year-end. In addition, we made $36.1 million of interest payments in the six months ended July 2, 2022.

Investing activities

During the six months ended July 1, 2023, cash used for investing activities was $360.7 million, of which $126.9 million was invested in capital expenditures and $237.7 million was used for acquisitions in the West and East segments, and was partially offset by $5.8 million of proceeds from asset sales.

During the six months ended July 2, 2022, cash provided by investing activities was $214.6 million, of which $129.6 million was invested in capital expenditures, which was offset by $341.7 million of proceeds from the sale of two businesses in the East segment, as well as $5.4 million of proceeds from asset sales.

Financing activities

During the six months ended July 1, 2023, cash used in financing activities was $24.6 million. We made $6.7 million of payments on debt, $11.5 million payments on acquisition-related liabilities and used $6.0 million on shares redeemed to settle taxes on restricted stock units.

During the six months ended July 2, 2022, cash used in financing activities was $146.0 million. We made $86.8 million of payments on debt, including a $72.4 million prepayment on our term loan due to our divestiture program, $11.6 million payments on acquisition-related liabilities and used $47.5 million to repurchase shares of Class A common stock.

Cash paid for capital expenditures

We paid cash of approximately $126.9 million in capital expenditures in the six months ended July 1, 2023 compared to $129.6 million in the six months ended July 2, 2022.

We currently estimate that we will invest between $240 million to $260 million inclusive of spend associated with greenfield projects. The timing of our greenfield expenditures is dependent upon the timing of when permits may be issued. We expect to fund our capital expenditure program through cash on hand, cash from operations, and outside financing arrangements including our revolving credit facility.

Tax Receivable Agreement

When the Company purchases LP Units for cash or LP Units are exchanged for shares of Class A common stock, this results in increases in the Company’s share of the tax basis of the tangible and intangible assets of Summit Holdings. These increases in tax basis may increase, for tax purposes, depreciation and amortization deductions and therefore reduce the amount of tax that Summit Inc. would otherwise be required to pay in the future. In connection with our initial public offering, we entered into a TRA with the holders of the LP Units that provides for the payment by Summit Inc. to exchanging holders of LP Units of 85% of the benefits, if any, that Summit Inc. actually realizes (or, under certain circumstances such as an early termination of the TRA is deemed to realize) as a result of these increases in tax basis and certain other tax benefits related to entering into the TRA, including tax benefits attributable to payments under the TRA. The increases in tax basis as a result of an exchange of LP Units for shares of Class A common stock, as well as the amount and timing of any payments under the TRA, are difficult to accurately estimate, as they will vary depending upon a number of factors, including the timing of the exchanges, the price of our Class A common stock at the time of the exchange, the extent to which the exchanges are taxable, the amount and timing of our income and the effective tax rate.

We anticipate funding payments under the TRA from cash flows from operations, available cash and available borrowings under our Senior Secured Revolving Credit Facilities. As of July 1, 2023, we had accrued $327.8 million as TRA liability in our consolidated financial statements. Of the total TRA liability, $5.2 million is expected to be paid in the next twelve months.

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In the second quarter 2023, the TRA agreement was amended to change the early termination calculation from a LIBOR based rate to a SOFR rate. Based upon a $37.85 per share price of our Class A common stock, the closing price of our stock on the last trading day of the three months ended July 1, 2023, and a contractually defined discount rate of 6.09%, we estimate that if Summit Inc. were to exercise its right to terminate the TRA, the aggregate amount required to settle the TRA would be approximately $262.7 million. Estimating the amount and the timing of payments that may be made under the TRA is by its nature difficult and imprecise, insofar as the amounts payable depends on a variety of factors, including, but not limited to, the timing of future exchanges, our stock price at the date of the exchange and the timing of the generation of future taxable income. The increases in tax basis as a result of an exchange, as well as the amount and timing of any payments under the TRA, will vary depending on a variety of factors.

Commitments and contingencies

We are party to certain legal actions arising from the ordinary course of business activities. Accruals are recorded when the outcome is probable and can be reasonably estimated. While the ultimate results of claims and litigation cannot be predicted with certainty, management expects that the ultimate resolution of all pending or threatened claims and litigation will not have a material effect on our consolidated financial position, results of operations or liquidity. We record legal fees as incurred.

Environmental Remediation—Our operations are subject to and affected by federal, state, provincial and local laws and regulations relating to the environment, health and safety and other regulatory matters. These operations require environmental operating permits, which are subject to modification, renewal and revocation. We regularly monitor and review its operations, procedures and policies for compliance with these laws and regulations. Despite these compliance efforts, risk of environmental liability is inherent in the operation of our business, as it is with other companies engaged in similar businesses and there can be no assurance that environmental liabilities and noncompliance will not have a material adverse effect on our consolidated financial condition, results of operations or liquidity.

Other—We are obligated under various firm purchase commitments for certain raw materials and services that are in the ordinary course of business. Management does not expect any significant changes in the market value of these goods and services during the commitment period that would have a material adverse effect on the financial condition, results of operations, and cash flows of the Company. The terms of the purchase commitments generally approximate one year.

Off-Balance sheet arrangements

As of July 1, 2023, we had no material off-balance sheet arrangements.

Non-GAAP Performance Measures

We evaluate our operating performance using metrics that we refer to as “Adjusted EBITDA,” “Adjusted EBITDA Margin,” “Adjusted Cash Gross Profit” and “Adjusted Cash Gross Profit Margin” which are not defined by U.S. GAAP and should not be considered as an alternative to earnings measures defined by U.S. GAAP. We define Adjusted EBITDA as EBITDA, adjusted to exclude accretion, loss on debt financings, gain on sale of business, non-cash compensation and certain other non-cash and non-operating items. We define Adjusted EBITDA Margin as Adjusted EBITDA divided by net revenue. We define Adjusted Cash Gross Profit as operating income before general and administrative expenses, depreciation, depletion, amortization and accretion and Adjusted Cash Gross Profit Margin as Adjusted Cash Gross Profit as a percentage of net revenue.

We present Adjusted EBITDA, Adjusted EBITDA Margin, Adjusted Cash Gross Profit and Adjusted Cash Gross Profit Margin for the convenience of investment professionals who use such metrics in their analyses. The investment community often uses these metrics to assess the operating performance of a company’s business and to provide a consistent comparison of performance from period to period. We use these metrics, among others, to assess the operating performance of our individual segments and the consolidated company.

Non-GAAP financial measures are not standardized; therefore, it may not be possible to compare such financial measures with other companies’ non-GAAP financial measures having the same or similar names. We strongly encourage investors to review our consolidated financial statements in their entirety and not rely on any single financial measure.

The tables below reconcile our net income (loss) to EBITDA and Adjusted EBITDA, present Adjusted EBITDA by segment and reconcile operating income to Adjusted Cash Gross Profit for the periods indicated:

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Reconciliation of Net Income (Loss) to Adjusted EBITDA	Three months ended July 1, 2023
by Segment	West		East		Cement		Corporate		Consolidated
($ in thousands)
Net income (loss)	$	78,354	$	34,648	$	47,871	$	(76,145)	$	84,728
Interest (income) expense	(3,378)		(2,890)		(4,890)		39,060		27,902
Income tax expense (1)	1,478		—		—		21,003		22,481
Depreciation, depletion and amortization	27,884		15,254		9,870		1,034		54,042
EBITDA	$	104,338	$	47,012	$	52,851	$	(15,048)	$	189,153
Accretion	260		464		21		—		745
Non-cash compensation	—		—		—		5,216		5,216
Other (2)	(81)		141		—		(3,429)		(3,369)
Adjusted EBITDA	$	104,517	$	47,617	$	52,872	$	(13,261)	$	191,745

Reconciliation of Net Income (Loss) to Adjusted EBITDA	Six months ended July 1, 2023
by Segment	West		East		Cement		Corporate		Consolidated
($ in thousands)
Net income (loss)	$	87,276	$	40,586	$	44,846	$	(119,192)	$	53,516
Interest (income) expense	(6,709)		(5,652)		(9,853)		77,536		55,322
Income tax expense (1)	2,217		—		—		13,798		16,015
Depreciation, depletion and amortization	54,007		30,351		17,850		2,022		104,230
EBITDA	$	136,791	$	65,285	$	52,843	$	(25,836)	$	229,083
Accretion	510		902		39		—		1,451
Loss on debt financings	—		—		—		493		493
Non-cash compensation	—		—		—		9,924		9,924
Other (2)	(106)		282		—		(8,181)		(8,005)
Adjusted EBITDA	$	137,195	$	66,469	$	52,882	$	(23,600)	$	232,946

Reconciliation of Net Income to Adjusted EBITDA	Three months ended July 2, 2022
by Segment	West		East		Cement		Corporate		Consolidated
($ in thousands)
Net income	$	65,606	$	64,089	$	38,641	$	24,430	$	192,766
Interest (income) expense	(4,035)		(2,714)		(4,860)		32,208		20,599
Income tax expense (1)	987		—		—		52,960		53,947
Depreciation, depletion and amortization	21,779		14,523		9,383		770		46,455
EBITDA	$	84,337	$	75,898	$	43,164	$	110,368	$	313,767
Accretion	233		392		77		—		702
Tax receivable agreement expense (1)	—		—		—		954		954
Gain on sale of businesses	—		(29,452)		—		(126,601)		(156,053)
Non-cash compensation	—		—		—		4,734		4,734
Other	74		(144)		—		—		(70)
Adjusted EBITDA	$	84,644	$	46,694	$	43,241	$	(10,545)	$	164,034

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Reconciliation of Net Income (Loss) to Adjusted EBITDA	Six months ended July 2, 2022
by Segment	West		East		Cement		Corporate		Consolidated
($ in thousands)
Net income (loss)	$	77,507	$	71,455	$	30,210	$	(21,206)	$	157,966
Interest (income) expense	(8,005)		(6,165)		(9,822)		64,740		40,748
Income tax expense (benefit) (1)	1,163		(106)		—		48,147		49,204
Depreciation, depletion and amortization	46,127		32,407		16,881		1,519		96,934
EBITDA	$	116,792	$	97,591	$	37,269	$	93,200	$	344,852
Accretion	460		803		153		—		1,416
Tax receivable agreement expense (1)	—		—		—		954		954
Gain on sale of businesses	—		(43,657)		—		(126,601)		(170,258)
Non-cash compensation	—		—		—		10,156		10,156
Other	84		93		—		—		177
Adjusted EBITDA	$	117,336	$	54,830	$	37,422	$	(22,291)	$	187,297

(1)The reconciliation of net income (loss) to Adjusted EBITDA is based on the financial results of Summit Inc. and its subsidiaries, which was $15.4 million and $9.4 million less than Summit LLC and its subsidiaries in the three and six months ended July 1, 2023, and $49.3 million and $37.7 million less in three and six months ended July 2, 2022, due to TRA expense and income tax expense which are obligations of Summit Holdings and Summit Inc. and are thus excluded from Summit LLC’s consolidated net income.

(2)Consists primarily of interest income earned on cash balances.

Reconciliation of Working Capital	July 1, 2023		December 31, 2022
($ in thousands)
Total current assets	$	906,302	$	1,018,376
Less total current liabilities	(346,981)		(255,847)
Working capital	$	559,321	$	762,529

	Three months ended						Six months ended
Reconciliation of Operating Income to Adjusted Cash Gross Profit	July 1, 2023			July 2, 2022			July 1, 2023			July 2, 2022
($ in thousands)
Operating income	$	129,633		$	111,236		$	114,158		$	76,941
General and administrative expenses	55,550			47,651			101,912			99,575
Depreciation, depletion, amortization and accretion	54,787			47,157			105,681			98,350
Gain on sale of property, plant and equipment	(3,223)			(3,695)			(3,653)			(4,950)
Adjusted Cash Gross Profit (exclusive of items shown separately)	$	236,747		$	202,349		$	318,098		$	269,916
Adjusted Cash Gross Profit Margin (exclusive of items shown separately) (1)	34.8		%	32.0		%	29.2		%	26.3		%

(1)Adjusted Cash Gross Profit Margin, which we define as Adjusted Cash Gross Profit as a percentage of net revenue.

Critical Accounting Policies and Estimates

Our management’s discussion and analysis of our financial condition and results of operations is based on our consolidated financial statements, which have been prepared in accordance with U.S. GAAP. The preparation of these consolidated financial statements requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenue and expenses during the reported period.

Please refer to “Critical Accounting Policies and Estimates” described in “Part II. Item 7. Management’s Discussion and Analysis of our Financial Condition and Results of Operations” of our annual report on Form 10-K filed with the SEC on February 16, 2023, from which there have been no material changes.

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

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We are exposed to certain market risks arising from transactions that are entered into in the normal course of business. Our operations are highly dependent upon the interest rate-sensitive construction industry as well as the general economic environment. Consequently, these marketplaces could experience lower levels of economic activity in an environment of rising interest rates or escalating costs. For a discussion of quantitative and qualitative disclosures about market risk, please refer to the Annual Report from which our exposure to market risk has not materially changed.

ITEM  4. CONTROLS AND PROCEDURES

Disclosure Controls and Procedures

Summit Inc. and Summit LLC maintain disclosure controls and procedures (as such term is defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”)), that are designed to ensure that information required to be disclosed in Summit Inc.’s and Summit LLC’s reports under the Exchange Act, is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms, and that such information is accumulated and communicated to Summit Inc.’s and Summit LLC's management, including its Chief Executive Officer and Chief Financial Officer, as appropriate, to allow timely decisions regarding required disclosure. Any controls and procedures, no matter how well designed and operated, can provide only reasonable, not absolute, assurance of achieving the desired control objectives. Summit Inc.’s and Summit LLC’s management, with the participation of its Chief Executive Officer and Chief Financial Officer, has evaluated the effectiveness of Summit Inc.’s disclosure controls and procedures as of July 1, 2023. Based upon that evaluation, Summit Inc.’s and Summit LLC’s Chief Executive Officer and Chief Financial Officer concluded that, as of July 1, 2023, Summit Inc.’s and Summit LLC’s disclosure controls and procedures were effective to accomplish their objectives at the reasonable assurance level.

Changes in Internal Control over Financial Reporting

There was no change in Summit Inc.’s or Summit LLC’s internal control over financial reporting (as such term is defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) that occurred during their last fiscal quarter that has materially affected, or is reasonably likely to materially affect, their internal control over financial reporting.

37

PART II—OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS

The information set forth under Note 12, "Commitments and Contingencies," to Summit Inc.’s unaudited consolidated financial statements is incorporated herein by reference.

ITEM  1A. RISK FACTORS

In addition to the other information set forth in this report, you should carefully consider the factors discussed in the section entitled “Risk Factors” in the Annual Report, which could materially affect the Company’s business, financial condition, operating results or liquidity or future results. The risks described in the Annual Report are not the only risks facing the Company. Additional risks and uncertainties not currently known to the Company or that it currently deems to be immaterial also may materially adversely affect its results of operations, financial condition or liquidity. There have been no material changes to the risk factors disclosed in the Annual Report.

ITEM  2. UNREGISTERED SALES OF EQUITY SECURITIES, USE OF PROCEEDS AND ISSUER PURCHASES OF EQUITY SECURITIES

None.

ITEM 3. DEFAULTS UPON SENIOR SECURITIES

None.

ITEM  4. MINE SAFETY DISCLOSURES

The information concerning mine safety violations and other regulatory matters required by Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act and Item 104 of Regulation S-K (17 CFR 229.104) is included in Exhibit 95.1 to this report.

ITEM  5. OTHER INFORMATION

During the three months ended July 1, 2023, no director or officer (as defined in Rule 16a-1(f) of the Exchange Act) of the Company adopted or terminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408(a) of Regulation S-K.

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ITEM  6. EXHIBITS

3.1	Restated Certificate of Incorporation of Summit Materials, Inc. (incorporated by reference to Exhibit 3.1 to Summit Materials, Inc.’s Current Report on Form 8-K filed on May 19, 2021).
3.2	Second Amended and Restated Bylaws of Summit Materials, Inc. (incorporated by reference to Exhibit 3.3 to Summit Materials, Inc.’s Current Report on Form 8-K filed on May 19, 2021).
3.3	Certificate of Formation of Summit Materials, LLC, as amended (incorporated by reference to Exhibit 3.1 to Summit Materials, LLC’s Registration Statement on Form S-4, filed March 27, 2013 (File No. 333-187556)).
3.4	Second Amended and Restated Limited Liability Company Agreement of Summit Materials, LLC (incorporated by reference to Exhibit 3.4 to the Registrants’ Quarterly Report on Form 10-Q filed on October 30, 2019 (File No. 001-36783))
10.1*	Amendment No. 1 to Tax Receivable Agreement, dated as of May 10, 2023, by and among Summit Materials, Inc. and each of the other persons party thereto.
31.1*	Summit Materials, Inc.’s Certification of the Chief Executive Officer pursuant to Rule 13a-14(a) or Rule 15d-14(a) of the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2*	Summit Materials, Inc.’s Certification of the Chief Financial Officer pursuant to Rule 13a-14(a) or Rule 15d-14(a) of the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.3*	Summit Materials, LLC’s Certification of the Chief Executive Officer pursuant to Rule 13a-14(a) or Rule 15d-14(a) of the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.4*	Summit Materials, LLC’s Certification of the Chief Financial Officer pursuant to Rule 13a-14(a) or Rule 15d-14(a) of the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1**	Summit Materials, Inc.’s Certification of the Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2**	Summit Materials, Inc.’s Certification of the Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.3**	Summit Materials, LLC’s Certification of the Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.4**	Summit Materials, LLC’s Certification of the Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
95.1*	Mine Safety Disclosures
99.1*	Summit Materials, LLC’s Unaudited Consolidated Financial Statements and Notes to Unaudited Consolidated Financial Statements.
101.INS*	Inline XBRL Instance Document - the instance document does not appear in the interactive data file because XBRL tags are embedded within the inline XBRL document
101.SCH*	Inline XBRL Taxonomy Extension Schema Document
101.CAL*	Inline XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF*	Inline XBRL Taxonomy Extension Definition Linkbase Document
101.LAB*	Inline XBRL Taxonomy Extension Label Linkbase Document
101.PRE*	Inline XBRL Taxonomy Extension Presentation Linkbase Document
104.1*	Cover Page from the Company’s Quarterly Report on Form 10-Q for the quarter ended July 1, 2023, formatted in Inline XBRL (and contained in Exhibit 101).

*     Filed herewith

**   Furnished herewith

The agreements and other documents filed as exhibits to this report are not intended to provide factual information or other disclosure other than with respect to the terms of the agreements or other documents themselves, and you should not rely on them other than for that purpose. In particular, any representations and warranties made by us in these agreements or other documents were made solely within the specific context of the relevant agreement or document and may not describe the actual state of affairs as of the date they were made or at any other time.

39

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrants have duly caused this report to be signed on their behalf by the undersigned thereunto duly authorized.

	SUMMIT MATERIALS, INC.
	SUMMIT MATERIALS, LLC
Date: August 3, 2023	By:	/s/ Anne P. Noonan
		Anne P. Noonan
		Chief Executive Officer
		(Principal Executive Officer)
Date: August 3, 2023	By:	/s/ C. Scott Anderson
		C. Scott Anderson
		Chief Financial Officer
		(Principal Financial and Accounting Officer)

40

EX-10.1

Exhibit 10.1

AMENDMENT NO. 1 TO TAX RECEIVABLE AGREEMENT

AMENDMENT NO. 1 TO TAX RECEIVABLE AGREEMENT (this “Amendment”), dated as of May 10, 2023, by and among Summit Materials, Inc., a Delaware corporation (including any successor corporation, the “Corporate Taxpayer”) and the TRA Parties listed on the signature pages hereto (the “Consenting TRA Parties”).

RECITALS:

WHEREAS, reference is hereby made to the Tax Receivable Agreement, dated as of March 11, 2015 (as amended, restated, supplemented or otherwise modified from time to time, the “Tax Receivable Agreement”), among the Corporate Taxpayer and each of the other parties signatory thereto, and each of the persons from time to time party thereto (each a “TRA Party” and together the “TRA Parties”). Capitalized terms used but not defined herein having the meaning provided in the Tax Receivable Agreement;

WHEREAS, pursuant to Section 7.6(b) of the Tax Receivable Agreement, the Tax Receivable Agreement may be amended with the consent of the TRA Parties who would be entitled to receive at least two-thirds of the total amount of the Early Termination Payments (the “Aggregate Potential Early Termination Payments”) payable to all TRA Parties thereunder if the Corporate Taxpayer had exercised its right of early termination on the date of the most recent Exchange prior to such amendment (excluding all payments made to any TRA Party pursuant to the Tax Receivable Agreement since the date of such most recent Exchange) (the “Required TRA Parties”) if such amendment will not have a disproportionate effect on the payments of one or more TRA Parties receive under the Tax Receivable Agreement, as further specified therein; and

WHEREAS, the Corporate Tax Payer and the undersigned Consenting TRA Parties desire to amend the Tax Receivable Agreement on the terms set forth herein.

NOW, THEREFORE, in consideration of the premises and agreements, provisions and covenants herein contained, the parties hereto agree as follows:

1.Amendments to Tax Receivable Agreement. Subject to the occurrence of the Amendment Effective Date, the Tax Receivable Agreement shall be amended in the following manner:

(a)The following definitions shall be added to Article I of the Tax Receivable Agreement in the appropriate alphabetical order:

(i)“Aggregate Potential Early Termination Payments” has the meaning given that term in the Recitals to Amendment No. 1.

(ii)“Amendment No. 1” means that certain Amendment No. 1 to Tax Receivable Agreement dated as of May 10, 2023.

(iii)“Amendment No. 1 Effective Date” means the date that the “Amendment Effective Date” (as defined in Amendment No. 1) shall occur.

(iv)“SOFR” means a rate equal to the secured overnight financing rate as administered by the SOFR Administrator.

(i)“SOFR Administrator” means the Federal Reserve Bank of New York (or a successor administrator of the secured overnight financing rate).

(ii)“Term SOFR” means during any period, an interest rate per annum equal to the forward-looking term rate based on SOFR (the “Term SOFR Reference Rate”) for a 12-month tenor on the date (such date, the “Determination Date”) two U.S. Government Securities Business Days prior to the first day of such period, as such rate is published by the Term SOFR Administrator; provided, however, that

NAI-1534071433v5

if as of 5:00 p.m. (New York City time) on any Determination Date the Term SOFR Reference Rate for a 12-month tenor has not been published by the Term SOFR Administrator and a Replacement Date with respect to the Term SOFR Reference Rate has not occurred, then Term SOFR will be the Term SOFR Reference Rate for such tenor as published by the Term SOFR Administrator on the first preceding U.S. Government Securities Business Day for which such Term SOFR Reference Rate for such tenor was published by the Term SOFR Administrator so long as such first preceding U.S. Government Securities Business Day is not more than three (3) U.S. Government Securities Business Days prior to such Determination Date. If the Corporate Taxpayer has made the determination (such determination to be conclusive absent manifest error) that (i) SOFR is no longer a widely recognized benchmark rate for newly originated loans in the U.S. loan market in U.S. dollars or (ii) the Term SOFR Administrator has permanently or indefinitely ceased to provide 12-month Term SOFR (the date of the earlier to occur of (i) and (ii), the “Replacement Date”), then the Corporate Taxpayer shall, subject to the prior written consent of the TRA Party Representative, which consent shall not be unreasonably withheld, conditioned or delayed, establish a replacement interest rate (which shall be consistent with market practice generally as reasonably determined by the Corporate Taxpayer and the TRA Party Representative) (the “Replacement Rate”), after giving due consideration to any evolving or then prevailing conventions for similar loans in the U.S. loan market in U.S. dollars for such alternative benchmark, and including any mathematical or other adjustments to such benchmark giving due consideration to any evolving or then prevailing convention for similar loans in the U.S. loan market in U.S. dollars for such benchmark, which adjustment, method for calculating such adjustment and benchmark shall be published on an information service as selected from time to time by the Corporate Taxpayer. The Replacement Rate shall, subject to the next two sentences, replace Term SOFR for all purposes under this TRA Agreement. In connection with the establishment and application of the Replacement Rate, this Agreement shall be amended, with the consent of the Corporate Taxpayer, as necessary or appropriate, in the reasonable judgment of the Corporate Taxpayer, to replace the definitions of Term SOFR and SOFR and otherwise to effect the provisions of this definition. The Replacement Rate shall be applied in a manner consistent with market practice; provided that, in each case, to the extent such market practice is not administratively feasible for the Corporate Taxpayer, such Replacement Rate shall be applied as otherwise reasonably determined by the Corporate Taxpayer and the TRA Party Representative.

(iii)“Term SOFR Administrator” means the CME Group Benchmark Administration Limited (CBA) (or a successor administrator of Term SOFR).

(iv) “U.S. Government Securities Business Day” means any day except for (i) a Saturday, (ii) a Sunday or (iii) a day on which the Securities Industry and Financial Markets Association recommends that the fixed income departments of its members be closed for the entire day for purposes of trading in United States government securities.

(b)Article I of the Tax Receivable Agreement is hereby amended as follows:

(i)The definition of “Agreed Rate” is hereby deleted in its entirety and replaced with the following:

““Agreed Rate: means Term SOFR plus 100 basis points.”

(ii)The definition of “Default Rate” is hereby deleted in its entirety and replaced with the following:

2

““Default Rate: means Term SOFR plus 500 basis points.”

(iii)The definition of “Early Termination Rate” is hereby deleted in its entirety and replaced with the following:

““Early Termination Rate: means Term SOFR plus 100 basis points.”

(iv)The definition of “LIBOR” is hereby deleted in its entirety.

(c)Article VI of the Tax Receivable Agreement is hereby amended as follows:

(i)Section 6.3 is hereby amended by adding the following at the end thereof:

“As soon as is commercially practicable after the written request of any TRA Party that at the time of such request holds at least 10% of the Aggregate Potential Early Termination Payments (including the Aggregate Potential Early Termination Payments held by any Affiliate of such TRA Party), the Corporate Taxpayer shall cooperate in taking any action to provide written information reasonably requested by such TRA Party in connection with such TRA Party’s tax or financial reporting and/or the consummation of any assignment or transfer of any of such TRA Party’s rights and/or obligations under this Agreement in accordance with the terms of this Agreement, including, without limitation, providing any written information (including Tax Benefit Payments) or executing any documentation required in connection with the assignment or transfer of such TRA Party’s rights and/or obligations under this Agreement in accordance with the terms of this Agreement; provided that, notwithstanding the foregoing, (a) the Corporate Taxpayer shall not be required to provide projections of taxable income; (b) the Corporate Taxpayer and OpCo shall not be required to take any action that is inconsistent with any provision of the LP Agreement; and (c) any information provided by the Corporate Taxpayer to such TRA Party shall be subject to Section 7.12.”.

2.Conditions to Effectiveness of the Amendment. The effectiveness of this Amendment is subject to the Corporate Taxpayer receiving a counterpart of this Amendment from the Consenting TRA Parties constituting the Required TRA Parties (the date of such satisfaction, the “AmendmentEffective Date”).

3.Amendment, Modification and Waiver. This Amendment may not be amended, modified or waived except by an instrument or instruments in writing signed and delivered on behalf of each of the parties hereto.

4.Entire Agreement. This Amendment and the Tax Receivable Agreement constitute the entire agreement among the parties with respect to the subject matter hereof and thereof and supersede all other prior agreements and understandings, both written and verbal, among the parties or any of them with respect to the subject matter hereof. Except as specifically modified by Section 1 above, and by the waiver from the Corporate Taxpayer dated April 20, 2021, the other provisions, terms and conditions of the Agreement are and will remain in full force and effect.

5.GOVERNING LAW. THIS AMENDMENT SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAW OF THE STATE OF NEW YORK.

6.Severability. If any term or other provision of this Amendment is invalid, illegal or incapable of being enforced by any law or public policy, all other terms and provisions of this Amendment shall nevertheless remain in full force and effect so long as the economic or legal substance of the transactions contemplated hereby is not affected in any manner materially adverse to any party. Upon such determination that any term or other provision is invalid, illegal or incapable of being enforced, the parties hereto shall negotiate in good faith to modify this Amendment so as to effect the original intent of the parties as closely as possible in an acceptable manner in order that the

3

transactions contemplated hereby are consummated as originally contemplated to the greatest extent possible.

7.Counterparts. This Amendment may be executed (including by facsimile transmission, “.pdf,” or other electronic transmission) in one or more counterparts, and by the different parties hereto in separate counterparts, each of which when executed shall be deemed to be an original, but all of which taken together shall constitute one and the same agreement.

8.Headings. Section headings herein are included for convenience of reference only and shall not affect the interpretation of this Amendment.

9.Electronic Execution. The words “execution,” “signed,” “signature,” and words of like import in or related to this Amendment and any document to be signed in connection with this Amendment and the transactions contemplated hereby (including without limitation amendments or other modifications, waivers and consents) shall be deemed to include electronic signatures or the keeping of records in electronic form, each of which shall be of the same legal effect, validity or enforceability as a manually executed signature or the use of a paper-based recordkeeping system, as the case may be, to the extent and as provided for in any applicable law, including the Federal Electronic Signatures in Global and National Commerce Act, the New York State Electronic Signatures and Records Act, or any other similar state laws based on the Uniform Electronic Transactions Act.

10.No Other Amendment or Waiver. Except as modified by this Amendment, the Tax Receivable Agreement shall remain in full force and effect. Nothing herein shall be held to alter, vary or otherwise affect the terms, conditions and provisions of the Tax Receivable Agreement, other than as expressly contemplated herein.

[Signature Pages Follow]

4

IN WITNESS WHEREOF, each of the undersigned has caused its duly authorized officer to execute and deliver this Amendment as of the date first set forth above.

CORPORATE TAX PAYER

SUMMIT MATERIALS, INC.

By:    /s/ Chris Gaskill

Name: Chris Gaskill

Title: Executive Vice President and Secretary

[Signature Page to Consent and Amendment No. 1 to Tax Receivable Agreement]

CONSENTING TRA PARTIES:     

    BLACKSTONE PARTICIPATION PARTNERSHIP

    (DELAWARE) V-NQ L.P.

    By:    BCP V-NQ GP L.L.C., its U.S. general partner

By: /s/ Robert Ramsauer

Name: Robert Ramsauer

Title: Authorized Signer

BLACKSTONE FAMILY INVESTMENT PARTNERSHIP (DELAWARE) V-NQ L.P.    

By:    BCP V-NQ GP L.L.C., its U.S. general partner

By: /s/ Robert Ramsauer

Name: Robert Ramsauer

Title: Authorized Signer

BLACKSTONE CAPITAL PARTNERS (DELAWARE) V-NQ L.P.

By:    Blackstone Management Associates (Cayman) V-NQ L.P., its general partner

By: BCP V-NQ GP L.L.C., its U.S. general partner

By: /s/ Robert Ramsauer

Name: Robert Ramsauer

Title: Authorized Signer

[Signature Page to Consent and Amendment No. 1 to Tax Receivable Agreement]

BLACKSTONE CAPITAL PARTNERS (DELAWARE) NQ V-AC L.P.

By:    Blackstone Management Associates (Cayman) V-NQ L.P., its general partner

By: BCP V-NQ GP L.L.C., its U.S. general partner

By: /s/ Robert Ramsauer

Name: Robert Ramsauer

Title: Authorized Signer

[Signature Page to Consent and Amendment No. 1 to Tax Receivable Agreement]

EX-31.1

Exhibit 31.1

CERTIFICATION

I, Anne P. Noonan, certify that:

1.    I have reviewed this Quarterly Report on Form 10-Q of Summit Materials, Inc. (the “registrant”);

2.    Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.    Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.    The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)    Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)    Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)    Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)    Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.    The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a)    All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b)    Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: August 3, 2023

/s/ Anne P. Noonan

Anne P. Noonan

Chief Executive Officer

(Principal Executive Officer)

EX-31.2

Exhibit 31.2

CERTIFICATION

I, C. Scott Anderson, certify that:

1.    I have reviewed this Quarterly Report on Form 10-Q of Summit Materials, Inc. (the “registrant”);

2.    Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.    Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.    The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)    Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)    Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)    Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)    Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.    The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a)    All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b)    Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: August 3, 2023

/s/ C. Scott Anderson

C. Scott Anderson

Chief Financial Officer

(Principal Financial Officer)

EX-31.3

Exhibit 31.3

CERTIFICATION

I, Anne P. Noonan, certify that:

1.    I have reviewed this Quarterly Report on Form 10-Q of Summit Materials, LLC (the “registrant”);

2.    Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.    Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.    The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)    Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)    Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)    Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)    Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.    The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a)    All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b)    Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: August 3, 2023

/s/ Anne P. Noonan

Anne P. Noonan

Chief Executive Officer

(Principal Executive Officer)

EX-31.4

Exhibit 31.4

CERTIFICATION

I, C. Scott Anderson, certify that:

1.    I have reviewed this Quarterly Report on Form 10-Q of Summit Materials, LLC (the “registrant”);

2.    Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.    Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.    The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)    Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)    Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)    Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)    Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.    The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a)    All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b)    Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: August 3, 2023

/s/ C. Scott Anderson

C. Scott Anderson

Chief Financial Officer

(Principal Financial Officer)

EX-32.1

Exhibit 32.1

Certification

Pursuant to 18 U.S.C. Section 1350

As adopted pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the Quarterly Report of Summit Materials, Inc. (the “Company”) on Form 10-Q for the quarterly period ended July 1, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Anne P. Noonan, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(i)    The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(ii)    The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: August 3, 2023

/s/ Anne P. Noonan

Anne P. Noonan

Chief Executive Officer

(Principal Executive Officer)

EX-32.2

Exhibit 32.2

Certification

Pursuant to 18 U.S.C. Section 1350

As adopted pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the Quarterly Report of Summit Materials, Inc. (the “Company”) on Form 10-Q for the quarterly period ended July 1, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, C. Scott Anderson, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(i)    The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(ii)    The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: August 3, 2023

/s/ C. Scott Anderson

C. Scott Anderson

Chief Financial Officer

(Principal Financial Officer)

EX-32.3

Exhibit 32.3

Certification

Pursuant to 18 U.S.C. Section 1350

As adopted pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the Quarterly Report of Summit Materials, LLC (the “Company”) on Form 10-Q for the quarterly period ended July 1, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Anne P. Noonan, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(i)    The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(ii)    The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: August 3, 2023

/s/ Anne P. Noonan

Anne P. Noonan

Chief Executive Officer

(Principal Executive Officer)

EX-32.4

Exhibit 32.4

Certification

Pursuant to 18 U.S.C. Section 1350

As adopted pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the Quarterly Report of Summit Materials, LLC (the “Company”) on Form 10-Q for the quarterly period ended July 1, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, C. Scott Anderson, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(i)    The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(ii)    The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: August 3, 2023

/s/ C. Scott Anderson

C. Scott Anderson

Chief Financial Officer

(Principal Financial Officer)

EX-95.1

Exhibit 95.1

Mine Safety Disclosures

The operation of Summit Materials, Inc.’s and its subsidiaries’ (collectively, the “Company’s”) domestic aggregates quarries and mines are subject to regulation by the federal Mine Safety and Health Administration (“MSHA”) under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”). MSHA inspects the Company’s quarries and mines on a regular basis and issues various citations and orders when it believes a violation has occurred under the Mine Act. Whenever MSHA issues a citation or order, it also generally proposes a civil penalty, or fine, related to the alleged violation. Citations or orders may be contested and appealed, and as part of that process, are often reduced in severity and amount, and are sometimes dismissed.

Under the Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010 (the “Dodd-Frank Act”), the Company is required to present information regarding certain mining safety and health citations which MSHA has issued with respect to its aggregates mining operations in its periodic reports filed with the Securities and Exchange Commission (“SEC”). In evaluating this information, consideration should be given to factors such as: (i) the number of citations and orders will vary depending on the size of the quarry or mine and types of operations (underground or surface); (ii) the number of citations issued will vary from inspector to inspector and location to location; and (iii) citations and orders can be contested and appealed, and in that process, may be reduced in severity and amount, and are sometimes dismissed.

The Company has provided the information below in response to the rules and regulations of the SEC issued under Section 1503(a) of the Dodd-Frank Act. The disclosures reflect U.S. mining operations only, as the requirements of the Dodd-Frank Act and the SEC rules and regulations thereunder do not apply to the Company's quarries and mines operated outside the United States.

The Company presents the following items regarding certain mining safety and health matters for the quarter ended July 1, 2023 as applicable (Appendix 1):

•Total number of violations of mandatory health or safety standards that could significantly and substantially contribute to the cause and effect of a mine safety or health hazard under Section 104 of the Mine Act for which the Company has received a citation from MSHA (hereinafter, “Section 104 S&S Citations”). If MSHA determines that a violation of a mandatory health or safety standard is likely to result in a reasonably serious injury or illness under the unique circumstance contributed to by the violation, MSHA will classify the violation as a “significant and substantial” violation (commonly referred to as a “S&S” violation). MSHA inspectors will classify each citation or order written as a “S&S” violation or not.

•Total number of orders issued under Section 104(b) of the Mine Act (hereinafter, “Section 104(b) Orders”). These orders are issued for situations in which MSHA determines a previous violation covered by a Section 104(a) citation has not been totally abated within the prescribed time period, so a further order is needed to require the mine operator to immediately withdraw all persons (except authorized persons) from the affected area of a quarry or mine.

•Total number of citations and orders for unwarrantable failure of the mine operator to comply with mandatory health or safety standards under Section 104(d) of the Mine Act (hereinafter, “Section 104(d) Citations and Orders”). These violations are similar to those described above, but the standard is that the violation could significantly and substantially contribute to the cause and effect of a safety or health hazard, but the conditions do not cause imminent danger, and the MSHA inspector finds that the violation is caused by an unwarranted failure of the operator to comply with the health and safety standards.

•Total number of flagrant violations under Section 110(b)(2) of the Mine Act (hereinafter, “Section 110(b)(2) Violations”). These violations are penalty violations issued if MSHA determines that violations are “flagrant”, for which civil penalties may be assessed. A “flagrant” violation means a reckless or repeated failure to make reasonable efforts to eliminate a known violation of a mandatory health or safety standard that substantially and proximately caused, or reasonably could have been expected to cause, death or serious bodily injury.

•Total number of imminent danger orders issued under Section 107(a) of the Mine Act (hereinafter, “Section 107(a) Orders”). These orders are issued for situations in which MSHA determines an imminent danger exists in the quarry or mine and results in orders of immediate withdrawal of all persons (except certain authorized persons) from the area of the quarry or mine affected by its condition until the imminent danger and the underlying conditions causing the imminent danger no longer exist.

•Total dollar value of proposed assessments from MSHA under the Mine Act. These are the amounts of proposed assessments issued by MSHA with each citation or order for the time period covered by the reports. Penalties are assessed by MSHA according to a formula that considers a number of factors, including the mine operator’s history, size, negligence, gravity of the violation, good faith in trying to correct the violation promptly, and the effect of the penalty on the operator’s ability to continue in business.

•Total number of mining-related fatalities. Mines subject to the Mine Act are required to report all fatalities occurring at their facilities unless the fatality is determined to be “non-chargeable” to the mining industry. The final rules of the SEC require disclosure of mining-related fatalities at mines subject to the Mine Act. Only fatalities determined by MSHA not to be mining-related may be excluded.

•Receipt of written notice from MSHA of a pattern (or a potential to have such a pattern) of violations of mandatory health or safety standards that are of such nature as could have significantly and substantially contributed to the cause and effect of other mine health or safety hazards under Section 104(e) of the Mine Act. If MSHA determines that a mine has a “pattern” of these types of violations, or the potential to have such a pattern, MSHA is required to notify the mine operator of the existence of such a thing.

•Legal actions before the Federal Mine Safety and Health Review Commission (the “Commission”) pending as of the last day of period.

•Legal actions before the Commission initiated during period.

•Legal actions before the Commission resolved during period.

The Commission is an independent adjudicative agency that provides administrative trial and appellate review of legal disputes arising under the Mine Act. The cases may involve, among other questions, challenges by operators to citations, orders and penalties they have received from MSHA, or complaints of discrimination by miners under Section 105 of the Mine Act. There were no legal actions pending before the Commission for any of the Company’s quarries or mines, as of or during the quarter ended July 1, 2023.

Appendix 1 follows.

Appendix 1

										Total				Received
					Total					Dollar		Total	Received	Written			Total
					Number of					Value of		Number of	Written	Notice of			Dollar		Number of
					Section 104	Section 104(b)	Section 104(d)			Proposed		Mining	Notice Under	Potential	Number of	Number of	Value of		Complaints of
				Number of	S&S	Citations and	Citations and	Section 110(b)(2)	Section 107(a)	MSHA		Related	Section 104(e)	Violation under	Contested	Contested	Penalties in		Discharge or
Name of Company	Name or Operation	MSHA ID	State	Inspections	Citation	Orders	Orders	Violations	Orders	Assessments		Fatalities	(yes/no)	104(e) (yes/no)	Citations	Penalties	Contest		Discrimination
Alleyton Resources	Altair Plant	4104375	TX	—	—	—	—	—	—	$	—	—	No	No	—	—	$	—	—
Alleyton Resources	Columbus	4104393	TX	—	—	—	—	—	—		—	—	No	No	—	—		—	—
Alleyton Resources	Duncan Plant	4105187	TX	—	—	—	—	—	—		—	—	No	No	—	—		—	—
Alleyton Resources	Eagle Lake	4104889	TX	—	—	—	—	—	—		—	—	No	No	—	—		—	—
Alleyton Resources	Ellinger	4104154	TX	—	—	—	—	—	—		—	—	No	No	—	—		—	—
Alleyton Resources	Florence Quarry	4104807	TX	—	—	—	—	—	—		—	—	No	No	—	—		—	—
Alleyton Resources	Hanna's Bend Plant	4104631	TX	—	—	—	—	—	—		—	—	No	No	—	—		—	—
Alleyton Resources	Hays Quarry	4104514	TX	—	—	—	—	—	—		—	—	No	No	—	—		—	—
Alleyton Resources	Hockley Pit	4103491	TX	—	—	—	—	—	—		—	—	No	No	—	—		—	—
Alleyton Resources	Monahan	4104552	TX	—	—	—	—	—	—		—	—	No	No	—	—		—	—
Alleyton Resources	Romayor	4104893	TX	—	—	—	—	—	—		—	—	No	No	—	—		—	—
Alleyton Resources	Smith Plant	4105210	TX	—	—	—	—	—	—		—	—	No	No	—	—		—	—
Alleyton Resources	Spring	4105125	TX	—	—	—	—	—	—		—	—	No	No	—	—		—	—
Alleyton Resources	Vox Plant	4105081	TX	—	—	—	—	—	—		—	—	No	No	—	—		—	—
Alleyton Resources	Wegenhoft	4102916	TX	—	—	—	—	—	—		—	—	No	No	—	—		—	—
American Materials	Andrews Quarry	3800757	SC	—	—	—	—	—	—		—	—	No	No	—	—		—	—
American Materials	Bailey Mine	3102289	NC	—	—	—	—	—	—		—	—	No	No	—	—		—	—
American Materials	Black Creek Sand Mine	3800722	SC	1	—	—	—	—	—		—	—	No	No	—	—		—	—
American Materials	DIXIANA MINE	3800125	SC	—	—	—	—	—	—		—	—	No	No	2	—		—	—
American Materials	Dupree Mine	3102282	NC	1	—	—	—	—	—		—	—	No	No	—	—		—	—
American Materials	Edisto Sand	3800745	SC	1	—	—	—	—	—		—	—	No	No	—	—		—	—
American Materials	IVANHOE PIT	3102011	NC	2	—	—	—	—	—		—	—	No	No	—	—		—	—
American Materials	Lanier Sand	3800535	SC	—	—	—	—	—	—		—	—	No	No	—	—		—	—
American Materials	Richardson Mine	3800719	SC	1	—	—	—	—	—		—	—	No	No	—	—		—	—
American Materials	Sumter County Sand	3800575	SC	—	—	—	—	—	—		—	—	No	No	—	—		—	—
Arizona Materials	Buckeye	203165	AZ	—	—	—	—	—	—		—	—	No	No	—	—		—	—
Arizona Materials	Pit 1 43rd	202867	AZ	—	—	—	—	—	—		—	—	No	No	—	—		—	—
Austin Materials	Florence Quarry	4104807	TX	—	—	—	—	—	—		—	—	No	No	—	—		—	—
Austin Materials	Hays Quarry	4104514	TX	—	—	—	—	—	—		—	—	No	No	—	—		—	—
Boxley Materials	Boxley Aggregates-Blue Ridge Plant	4400014	VA	—	—	—	—	—	—		—	—	No	No	—	—		—	—
Boxley Materials	Boxley Aggregates-Fieldale Plant	4400074	VA	—	—	—	—	—	—		—	—	No	No	—	—		—	—

Boxley Materials	Boxley Aggregates-Lawyers Rd Plt	4400015	VA	5	—	—	—	—	—	—	—	No	No	—	—	—	—
Boxley Materials	Boxley Aggregates-Mt Athos Plant	4400106	VA	3	—	—	—	—	—	—	—	No	No	—	—	—	—
Boxley Materials	Boxley Aggregates-Piney River Plant	4400035	VA	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Boxley Materials	Boxley Aggregates-Rich Patch Quarry	4406897	VA	3	—	—	—	—	—	—	—	No	No	—	—	—	—
Boxley Materials	Boxley Buckingham Slate Quarry	4400061	VA	5	—	—	—	—	—	—	—	No	No	—	—	—	—
Boxley Materials	Broad River Crushed Stone, LLC	901225	GA	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Boxley Materials	Georgia Stone Buckhorn Quarry	3800715	SC	3	—	—	—	—	—	—	—	No	No	—	—	—	—
Boxley Materials	Georgia Stone Forsyth Quarry	901124	GA	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Boxley Materials	Jefferson	901260	GA	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Boxley Materials	McLanahan Crushed Stone	900050	GA	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Boxley Materials	Ocala	801377	FL	2	—		—	—	—	—	—	No	No	—	—	—	—
Boxley Materials	PSC1 - EXTEC 5000S Screen	4404196	VA	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Con-Agg of MO	Big Spring	2300951	MO	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Con-Agg of MO	Boon Quarries East	2300078	MO	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Con-Agg of MO	Boon Quarries West	2300022	MO	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Con-Agg of MO	Boone Quarries Houstonia	2302119	MO	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Con-Agg of MO	Boone Quarries Jeff City BQJC	2302221	MO	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Con-Agg of MO	Boone Quarries Millersburg	2300160	MO	3	—	—	—	—	—	—	—	No	No	—	—	—	—
Con-Agg of MO	Boone Quarries Riggs	2302099	MO	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Con-Agg of MO	Boone Quarries-North Telsmith Plant	2301894	MO	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Con-Agg of MO	Boonville Quarry	2300097	MO	1	—	—	—	—	—	—	—	No	No	—	—	—	—
Con-Agg of MO	Con-Agg LLC dba Boone Quarries	2302153	MO	3	—	—	—	—	—	—	—	No	No	—	—	—	—
Con-Agg of MO	Con-Agg LLC dba Boone Quarries	2302153	MO	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Con-Agg of MO	Harrisburg Plant 671	301603	AR	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Con-Agg of MO	Huntsville Quarry	2302004	MO	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Con-Agg of MO	Huntsville Quarry	2302004	MO	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Con-Agg of MO	Jonesboro Plant 675	300566	AR	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Con-Agg of MO	Marshall Junction Quarry	2301253	MO	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Con-Agg of MO	Marshall Quarry	2300099	MO	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Con-Agg of MO	Mid-Missouri Limestone	2302009	MO	2	—	—	—	—	—	—	—	No	No	—	—	—	—
Con-Agg of MO	Mid-Missouri Limestone	2302009	MO	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Con-Agg of MO	Mid-Missouri Limestone New Haven	2301765	MO	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Con-Agg of MO	Mid-Missouri Limestone Reform	2301447	MO	5	—	—	—	—	—	—	—	No	No	—	—	—	—
Con-Agg of MO	Norris Quarries Plant # 02	2302541	MO	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Con-Agg of MO	Norris Quarries Plant # 1	2301929	MO	1	—	—	—	—	—	—	—	No	No	—	—	—	—
Con-Agg of MO	Norris Quarries Plant #2	2302399	MO	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Con-Agg of MO	Norris Quarries Plant #3	2301930	MO	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Con-Agg of MO	Norris Quarries Stoner Sand	2302014	MO	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Con-Agg of MO	Plant # 65	2301922	MO	3	1	—	—	—	1	—	—	No	No	2	1	—	—
Con-Agg of MO	plant # 80	2302071	MO	2	—	—	—	—	—	—	—	No	No	—	—	—	—

Con-Agg of MO	Plant # 81	2302296	MO	2	—	—	—	—	—	—	—	No	No	—	—	—	—
Con-Agg of MO	Plant #83	2302338	MO	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Con-Agg of MO	RazorRock Branch 671	2302338	AR	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Con-Agg of MO	Wesphalia	2301908	MO	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Concrete Supply	Oakland Sand River Plant	1401742	KS	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Concrete Supply	Silver Lake Plant	1401702	KS	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Continental Cement Company	Davenport Plant	1300125	IA	12	1	—	—	—	—	3,598	—	No	No	4	—	705	—
Continental Cement Company	Hannibal Underground	2302434	MO	19	5	—	—	—	—	10,400	—	No	No	11	—	—	—
Continental Cement Company	Owensville Plant	2301038	MO	3	—	—	—	—	—	—	—	No	No	—	—	—	—
Cornejo & Sons	Augusta Quarry	901260	KS	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Cornejo & Sons	Durbin Quarry	14-01719	KS	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Cornejo & Sons	Grove	1401539	KS	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Cornejo & Sons	Kingsbury	1400624	KS	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Cornejo & Sons	Oxford Sand and Gravel	1400522	KS	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Cornejo & Sons	Portable Plant #1	1401462	KS	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Cornejo & Sons	Portable Plant #2	1401463	KS	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Cornejo & Sons	Portable Plant #3	1401464	KS	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Cornejo & Sons	Portable Plant #4	1400156	KS	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Cornejo & Sons	Portable Plant #5	1401648	KS	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Cornejo & Sons	Severy Quarry	1401584	KS	1	—	—	—	—	—	150	—	No	No	—	—	—	—
Cornejo & Sons	Wichita Sand and Gravel	1400543	KS	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Hamm Companies	Astec Portable	1401807	KS	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Hamm Companies	B3200 Contractor	B3200	KS	1	1	—	—	—	—	300	—	No	No	—	—	—	—
Hamm Companies	Buildex	2300319	MO	3	1	—	—	—	—	300	—	No	No	—	—	—	—
Hamm Companies	DeSoto Sand	1401302	KS	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Hamm Companies	Eagle Portable	1401816	KS	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Hamm Companies	Lip Man Rip Rap	1401709	KS	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Hamm Companies	Lotawana Quarry	2301889	MO	4	—	—	—	—	—	—	—	No	No	—	—	—	—
Hamm Companies	LouisBurg Quarry	1400823	KS	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Hamm Companies	Olathe Quarry	1401704	KS	—	1	—	—	—	—	550	—	No	No	—	—	—	—
Hamm Companies	Plant # 80002	1401583	KS	3	—	—	—	—	—	—	—	No	No	—	—	—	—
Hamm Companies	Plant # 80003	1401474	KS	—	1	—	—	—	—	300	—	No	No	—	—	—	—
Hamm Companies	Plant # 80010	1401687	KS	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Hamm Companies	Plant # 80011	1401470	KS	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Hamm Companies	Plant # 80013	1401609	KS	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Hamm Companies	Plant #80006	1401471	KS	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Hamm Companies	Plant #80012	1401472	KS	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Kilgore Companies	Benjamin Quarry	1401470	UT	2	—	—	—	—	—	—	—	No	No	—	—	1,096	—
Kilgore Companies	Black Canyon 2100	1500004	ID	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Kilgore Companies	Bluffdale Pit	1518415	UT	—	—	—	—	—	—	286	—	No	No	—	—	—	—
Kilgore Companies	Brigham	1500012	UT	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Kilgore Companies	Crusher 1	4400234	CO	—	—	—	—	—	—	298	—	No	No	—	—	—	—
Kilgore Companies	Crusher 2	1504261	CO	—	—	—	—	—	—	286	—	No	No	—	—	—	—
Kilgore Companies	Crusher 3	4000057	CO	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Kilgore Companies	Crusher 4	1500099	CO	—	—	—	—	—	—	149	—	No	No	—	—	—	—
Kilgore Companies	Elam Construction Inc	1500075	CO	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Kilgore Companies	Erda	1519092	UT	—	—	—	—	—	—	—	—	No	No	—	—	—	—
Kilgore Companies	ESG Portable 1	1500094	CO	—	—	—	—	—	—	—	—	No	No	—	—	—	—

Kilgore Companies	Extec S-5 Track Mounted Screen sn9617	1500019	CO	—	—	—	—	—	—	—		—	No	No	—	—	—	—
Kilgore Companies	Grey Goose	4202528	CO	—	—	—	—	—	—	—		—	No	No	—	—	—	—
Kilgore Companies	Highland Pit	1002146	UT	—	—	—	—	—	—	—		—	No	No	—	—	—	—
Kilgore Companies	Hyrum	4202523	UT	—	3	—	—	—	—	4,689		—	No	No	—	—	—	—
Kilgore Companies	KC-Portable 2 (WY)	504296	WY	—	—	—	—	—	—	—		—	No	No	—	—	—	—
Kilgore Companies	KC-Portable 3 (WY)	504645	WY	2	—	—	—	—	—	—		—	No	No	—	—	—	—
Kilgore Companies	Kolberg Portable Belt & Grizzly	504593	UT	—	—	—	—	—	—	—		—	No	No	—	—	—	—
Kilgore Companies	Lewis & Lewis, Inc Pit #2	504594	WY	—	—	—	—	—	—	—		—	No	No	—	—	—	—
Kilgore Companies	Maryland Creek	504593	CO	—	1	—	—	—	—	3,711		—	No	No	—	—	—	—
Kilgore Companies	Metso LT106Track Mounted Jaw Crusher	4201479	CO	—	—	—	—	—	—	—		—	No	No	—	—	—	—
Kilgore Companies	Mona Pit	505047	UT	1	—	—	—	—	—	953	—	—	No	No	—	—	—	—
Kilgore Companies	Parleys Stone	502366	UT	—	—	—	—	—	—	—		—	No	No	—	—	—	—
Kilgore Companies	Portable 3	503869	UT	—	—	—	—	—	—	—		—	No	No	—	—	—	—
Kilgore Companies	Portable 4	4200941	UT	4	—	—	—	—	—	—		—	No	No	—	—	—	—
Kilgore Companies	PORTABLE CRUSHER UNIT B	4202360	UT	—	—	—	—	—	—	—		—	No	No	—	—	—	—
Kilgore Companies	Portable Crusher, Unit F	4801625	UT	—	—	—	—	—	—	—		—	No	No	—	—	—	—
Kilgore Companies	Powerscreen 2100-2	4801626	ID	—	—	—	—	—	—	—		—	No	No	—	—	—	—
Kilgore Companies	Rental Plant 1	4202384	CO	—	—	—	—	—	—	—		—	No	No	—	—	—	—
Kilgore Companies	Roadrunner Screen	4801482	ID	—	—	—	—	—	—	—		—	No	No	—	—	—	—
Kilgore Companies	Sierra Ready Mix Quarry Site	503800	NV	—	—	—	—	—	—	—		—	No	No	—	—	—	—
Kilgore Companies	Snowstorm Portable Plant	504872	CO	—	—	—	—	—	—	—		—	No	No	—	—	—	—
Kilgore Companies	Stockton Pit	4202212	UT	1	—	—	—	—	—	—		—	No	No	—	—	—	—
Kilgore Companies	Valley Pit	4202102	UT	—	5	—	—	—	—	—		—	No	No	—	—	—	—
Kilgore Companies	Walker Pit	4201823	ID	—	—	—	—	—	—			—	No	No	—	—	—	—
Kilgore Companies	Washplant 1	4202465	CO	—	—	—	—	—	—	—		—	No	No	—	—	—	—
Kilgore Companies	Washplant 2	4201963	CO	—	—	—	—	—	—	—		—	No	No	—	—	—	—
Kilgore Companies	Washplant 3	4202042	CO	—	—	—	—	—	—	286		—	No	No	—	—	—	—
Kilgore Companies	Washplant 4	1002147	CO	—	—	—	—	—	—	—		—	No	No	—	—	—	—
Kilgore Companies	Washplant 5	504616	UT	—	—	—	—	—	—	—		—	No	No	—	—	—	—
Kilgore Companies	West Valley	1001916	UT	—	—	—	—	—	—	—		—	No	No	—	—	—	—
RK Hall Construction	Clements Pit	2602594	TX	3	—	—	—	—	—	—		—	No	No	—	—	—	—
RK Hall Construction	Kirby Crusher #15	501013	AR	—	—	—	—	—	—	—		—	No	No	—	—	—	—
RK Hall Construction	Pope's Point	4202480	OK	—	—	—	—	—	—	—		—	No	No	—	—	—	—
RK Hall Construction	Sawyer Plant	4200400	OK	6	—	—	—	—	—	—		—	No	No	—	—	—	—
RK Hall Construction	XIT Quarry	504873	TX	—	—	—	—	—	—	252		—	No	No	—	—	—	—
Troy Vines	Vines Portable Plant	504746	TX	—	—	—	—	—	—	—		—	No	No	—	—	—	—
Troy Vines	Vines Sand and Gravel	504565	TX	—	—	—	—	—	—	—		—	No	No	—	—	—	—

EX-99.1

Exhibit 99.1

SUMMIT MATERIALS, LLC AND SUBSIDIARIES

Consolidated Balance Sheets

(In thousands) 

	July 1,		December 31,
	2023		2022
	(unaudited)		(audited)
Assets
Current assets:
Cash and cash equivalents	$	230,010	$	520,451
Accounts receivable, net	370,504		256,669
Costs and estimated earnings in excess of billings	35,315		6,510
Inventories	246,275		212,491
Other current assets	22,336		20,787
Current assets held for sale	1,862		1,468
Total current assets	906,302		1,018,376
Property, plant and equipment, less accumulated depreciation, depletion and amortization (July 1, 2023 - $1,352,008 and December 31, 2022 - $1,267,557)	1,979,986		1,813,702
Goodwill	1,229,468		1,133,546
Intangible assets, less accumulated amortization (July 1, 2023 - $17,321 and December 31, 2022 - $15,503)	69,714		71,384
Operating lease right-of-use assets	36,013		37,889
Other assets	48,187		44,809
Total assets	$	4,269,670	$	4,119,706
Liabilities and Members' Interest
Current liabilities:
Current portion of debt	$	5,096	$	5,096
Current portion of acquisition-related liabilities	7,243		13,718
Accounts payable	171,076		104,430
Accrued expenses	144,745		120,708
Current operating lease liabilities	7,707		7,296
Billings in excess of costs and estimated earnings	7,054		5,739
Total current liabilities	342,921		256,987
Long-term debt	1,487,289		1,488,569
Acquisition-related liabilities	23,503		29,051
Noncurrent operating lease liabilities	33,563		35,737
Other noncurrent liabilities	167,090		166,212
Total liabilities	2,054,366		1,976,556
Commitments and contingencies (see note 11)
Members' equity	1,430,448		1,425,278
Accumulated earnings	802,127		739,248
Accumulated other comprehensive loss	(17,271)		(21,376)
Total members' interest	2,215,304		2,143,150
Total liabilities and members' interest	$	4,269,670	$	4,119,706

See notes to unaudited consolidated financial statements.

SUMMIT MATERIALS, LLC AND SUBSIDIARIES

Unaudited Consolidated Statements of Operations

(In thousands)

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Revenue:
Product	$	595,714	$	542,939	$	967,886	$	898,608
Service	84,659		88,979		119,757		125,805
Net revenue	680,373		631,918		1,087,643		1,024,413
Delivery and subcontract revenue	48,777		54,636		76,895		83,088
Total revenue	729,150		686,554		1,164,538		1,107,501
Cost of revenue (excluding items shown separately below):
Product	377,634		360,356		673,515		650,701
Service	65,992		69,213		96,030		103,796
Net cost of revenue	443,626		429,569		769,545		754,497
Delivery and subcontract cost	48,777		54,636		76,895		83,088
Total cost of revenue	492,403		484,205		846,440		837,585
General and administrative expenses	55,550		47,651		101,912		99,575
Depreciation, depletion, amortization and accretion	54,787		47,157		105,681		98,350
Gain on sale of property, plant and equipment	(3,223)		(3,695)		(3,653)		(4,950)
Operating income	129,633		111,236		114,158		76,941
Interest expense	27,902		20,599		55,322		40,748
Loss on debt financings	—		—		493		—
Gain on sale of businesses	—		(156,053)		—		(170,258)
Other income, net	(5,478)		(977)		(11,188)		(1,673)
Income from operations before taxes	107,209		247,667		69,531		208,124
Income tax expense	7,119		5,566		6,652		12,410
Net income attributable to Summit LLC	$	100,090	$	242,101	$	62,879	$	195,714

See notes to unaudited consolidated financial statements.

SUMMIT MATERIALS, LLC AND SUBSIDIARIES

Unaudited Consolidated Statements of Comprehensive Income

(In thousands)

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Net income	$	100,090	$	242,101	$	62,879	$	195,714
Other comprehensive income (loss):
Foreign currency translation adjustment	3,902		(5,610)		4,105		(3,866)
Comprehensive income attributable to Summit LLC	$	103,992	$	236,491	$	66,984	$	191,848

See notes to unaudited consolidated financial statements.

SUMMIT MATERIALS, LLC AND SUBSIDIARIES

Unaudited Consolidated Statements of Cash Flows

(In thousands)

	Six months ended
	July 1, 2023		July 2, 2022
Cash flows from operating activities:
Net income	$	62,879	$	195,714
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion, amortization and accretion	110,659		107,511
Share-based compensation expense	9,924		10,156
Net gain on asset and business disposals	(3,655)		(174,902)
Non-cash loss on debt financings	161		—
Change in deferred tax asset, net	—		7,366
Other	(21)		(357)
Decrease (increase) in operating assets, net of acquisitions and dispositions:
Accounts receivable, net	(101,119)		(57,797)
Inventories	(27,115)		(58,092)
Costs and estimated earnings in excess of billings	(28,760)		(36,165)
Other current assets	(1,070)		(2,130)
Other assets	1,732		(593)
(Decrease) increase in operating liabilities, net of acquisitions and dispositions:
Accounts payable	51,613		39,602
Accrued expenses	19,048		(11,108)
Billings in excess of costs and estimated earnings	1,299		(737)
Other liabilities	(1,533)		(2,214)
Net cash provided by operating activities	94,042		16,254
Cash flows from investing activities:
Acquisitions, net of cash acquired	(237,666)		(1,933)
Purchases of property, plant and equipment	(126,893)		(129,580)
Proceeds from the sale of property, plant and equipment	5,760		5,427
Proceeds from sale of businesses	—		341,741
Other	(1,852)		(1,098)
Net cash (used in) provided by investing activities	(360,651)		214,557
Cash flows from financing activities:
Capital (distributions to) contributions by member	84		(47,386)
Debt issuance costs	(1,566)		—
Payments on debt	(6,720)		(86,821)
Payments on acquisition-related liabilities	(11,539)		(11,577)
Distributions	—		(25)
Other	(4,838)		(187)
Net cash used in financing activities	(24,579)		(145,996)
Impact of foreign currency on cash	747		(461)
Net (decrease) increase in cash	(290,441)		84,354
Cash and cash equivalents – beginning of period	520,451		380,961
Cash and cash equivalents – end of period	$	230,010	$	465,315

See notes to unaudited consolidated financial statements.

SUMMIT MATERIALS, LLC AND SUBSIDIARIES

Unaudited Consolidated Statements of Changes in Members' Interest

(In thousands)

	Total Members' Interest
					Accumulated
					other		Total
	Members'		Accumulated		comprehensive		members'
	equity		earnings		loss		interest
Balance — December 31, 2022	$	1,425,278	$	739,248	$	(21,376)	$	2,143,150
Net contributed capital	15		—		—		15
Net loss	—		(37,211)		—		(37,211)
Other comprehensive loss	—		—		203		203
Share-based compensation	4,708		—		—		4,708
Shares redeemed to settle taxes and other	(5,719)		—		—		(5,719)
Balance — April 1, 2023	$	1,424,282	$	702,037	$	(21,173)	$	2,105,146
Net contributed capital	69		—		—		69
Net income	—		100,090		—		100,090
Other comprehensive income	—		—		3,902		3,902
Share-based compensation	5,216		—		—		5,216
Shares redeemed to settle taxes and other	881		—		—		881
Balance — July 1, 2023	$	1,430,448	$	802,127	$	(17,271)	$	2,215,304
Balance — January 1, 2022	$	1,507,859	$	393,111	$	(16,026)	$	1,884,944
Net contributed capital	(47,482)		—		—		(47,482)
Net loss	—		(46,387)		—		(46,387)
Other comprehensive loss	—		—		1,744		1,744
Share-based compensation	5,422		—		—		5,422
Shares redeemed to settle taxes and other	(1,180)		—		—		(1,180)
Balance — April 2, 2022	$	1,464,619	$	346,724	$	(14,282)	$	1,797,061
Net contributed capital	96		—		—		96
Net income	—		242,101		—		242,101
Other comprehensive income	—		—		(5,610)		(5,610)
Distributions	(25)		—		—		(25)
Share-based compensation	4,734		—		—		4,734
Shares redeemed to settle taxes and other	991		—		—		991
Balance — July 2, 2022	$	1,470,415	$	588,825	$	(19,892)	$	2,039,348

See notes to unaudited consolidated financial statements

SUMMIT MATERIALS, LLC

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in tables in thousands)

1. SUMMARY OF ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES

Summit Materials, LLC (“Summit LLC” and, together with its subsidiaries, “Summit,” “we,” “us,” “our” or the “Company”) is a vertically-integrated construction materials company. The Company is engaged in the production and sale of aggregates, cement, ready-mix concrete, asphalt paving mix and concrete products and owns and operates quarries, sand and gravel pits, two cement plants, cement distribution terminals, ready-mix concrete plants, asphalt plants and landfill sites. It is also engaged in paving and related services. The Company’s three operating and reporting segments are the West, East and Cement segments.

Substantially all of the Company’s construction materials, products and services are produced, consumed and performed outdoors, primarily in the spring, summer and fall. Seasonal changes and other weather-related conditions can affect the production and sales volumes of its products and delivery of services. Therefore, the financial results for any interim period are typically not indicative of the results expected for the full year. Furthermore, the Company’s sales and earnings are sensitive to national, regional and local economic conditions, weather conditions and to cyclical changes in construction spending, among other factors.

Summit LLC is a wholly owned indirect subsidiary of Summit Materials Holdings L.P. (“Summit Holdings”), whose primary owner is Summit Materials, Inc. (“Summit Inc.”). Summit Inc. was formed as a Delaware corporation on September 23, 2014. Its sole material asset is a controlling equity interest in Summit Holdings. Pursuant to a reorganization into a holding company structure (the “Reorganization”) consummated in connection with Summit Inc.’s March 2015 initial public offering, Summit Inc. became a holding corporation operating and controlling all of the business and affairs of Summit Holdings and its subsidiaries, including Summit LLC.

Basis of Presentation—These unaudited consolidated financial statements were prepared in accordance with U.S. generally accepted accounting principles (“U.S. GAAP”) for interim financial information, without audit, pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”). Certain information and footnote disclosures typically included in financial statements prepared in accordance with U.S. GAAP have been condensed or omitted pursuant to such rules and regulations. These unaudited consolidated financial statements should be read in conjunction with the Company’s audited consolidated financial statements and the notes thereto as of and for the year ended December 31, 2022. The Company continues to follow the accounting policies set forth in those audited consolidated financial statements.

Management believes that these consolidated interim financial statements include all adjustments, normal and recurring in nature, that are necessary to present fairly the financial position of the Company as of July 1, 2023, the results of operations for the three and six months ended July 1, 2023 and July 2, 2022 and cash flows for the six months ended July 1, 2023 and July 2, 2022.

Use of Estimates—Preparation of these consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions. These estimates and the underlying assumptions affect the amounts of assets and liabilities reported, disclosures about contingent assets and liabilities and reported amounts of revenue and expenses. Such estimates include the valuation of accounts receivable, inventories, valuation of deferred tax assets, goodwill, intangibles and other long-lived assets, pension and other postretirement obligations and asset retirement obligations. Estimates also include revenue earned on contracts and costs to complete contracts. Most of the Company’s paving and related services are performed under fixed unit-price contracts with state and local governmental entities. Management regularly evaluates its estimates and assumptions based on historical experience and other factors, including the current economic environment. As future events and their effects cannot be determined with precision, actual results can differ significantly from estimates made. Changes in estimates, including those resulting from continuing changes in the economic environment, are reflected in the Company’s consolidated financial statements when the change in estimate occurs.

Business and Credit Concentrations—The Company’s operations are conducted primarily across 21 U.S. states and in British Columbia, Canada, with the most significant revenue generated in Texas, Utah, Kansas and Missouri. The Company’s accounts receivable consist primarily of amounts due from customers within these areas. Therefore, collection of these accounts is dependent on the economic conditions in the aforementioned states, as well as specific situations affecting individual customers. Credit granted within the Company’s trade areas has been granted to many customers, and management does not

believe that a significant concentration of credit exists with respect to any individual customer or group of customers. No single customer accounted for more than 10% of the Company’s total revenue in the three and six months ended July 1, 2023 or July 2, 2022.

Revenue Recognition—We earn revenue from the sale of products, which primarily include aggregates, cement, ready-mix concrete and asphalt, but also include concrete products and plastics components, and from the provision of services, which are primarily paving and related services, but also include landfill operations, the receipt and disposal of waste that is converted to fuel for use in our cement plants.

Products: Revenue for product sales is recognized when the performance obligation is satisfied, which generally is when the product is shipped.

Services: We earn revenue from the provision of services, which are primarily paving and related services, which are typically calculated using monthly progress based on a method similar to percentage of completion or a customer’s engineer review of progress.

The majority of our construction service contracts are completed within one year, but may occasionally extend beyond this time frame. The majority of our construction service contracts are for work that occurs mostly during the spring, summer and fall. We generally measure progress toward completion on long-term paving and related services contracts based on the proportion of costs incurred to date relative to total estimated costs at completion.

Estimating costs to be incurred for revenue recognition involves the use of various estimating techniques to project costs at completion, and in some cases includes estimates of recoveries asserted against the customer for changes in specifications or other disputes.

2. ACQUISITIONS, DISPOSITIONS, GOODWILL AND INTANGIBLES

The financial results of each acquisition have been included in the Company’s consolidated results of operations beginning on the respective closing dates of the acquisitions. The Company measures all assets acquired and liabilities assumed at their acquisition-date fair value. Goodwill acquired during a business combination has an indefinite life and is not amortized.

The following table summarizes the Company’s acquisitions by region and period:

	Six months ended	Year ended
	July 1, 2023	December 31, 2022
West	3	—
East	1	2

The purchase price allocation, primarily the valuation of property, plant and equipment for the acquisitions completed during the six months ended July 1, 2023, as well as the acquisitions completed during 2022 that occurred after July 2, 2022, have not yet been finalized due to the recent timing of the acquisitions, status of the valuation of property, plant and equipment and finalization of related tax returns. The following table summarizes aggregated information regarding the fair values of the assets acquired and liabilities assumed as of the respective acquisition dates:

	Six months ended		Year ended
	July 1, 2023		December 31, 2022
Financial assets	$	13,104	$	297
Inventories	6,521		161
Property, plant and equipment	137,394		30,041
Other assets	458		1,116
Financial liabilities	(11,925)		(1,120)
Other long-term liabilities	(768)		(1,589)
Net assets acquired	144,784		28,906
Goodwill	94,564		—
Purchase price	239,348		28,906
Acquisition-related liabilities	—		(6,176)
Other	(1,682)		—
Net cash paid for acquisitions	$	237,666	$	22,730

Changes in the carrying amount of goodwill, by reportable segment, from December 31, 2022 to July 1, 2023 are summarized as follows:

	West		East		Cement		Total
Balance—December 31, 2022	$	567,389	$	361,501	$	204,656	$	1,133,546
Acquisitions (1)	94,564		—		—		94,564
Foreign currency translation adjustments	1,358		—		—		1,358
Balance—July 1, 2023	$	663,311	$	361,501	$	204,656	$	1,229,468

_______________________________________________________________________

(1) Reflects goodwill from 2023 acquisitions.

The Company’s intangible assets subject to amortization are primarily composed of operating permits, mineral lease agreements and reserve rights. Operating permits relate to permitting and zoning rights acquired outside of a business combination. The assets related to mineral lease agreements reflect the submarket royalty rates paid under agreements, primarily for extracting aggregates. The values were determined as of the respective acquisition dates by a comparison of market-royalty rates. The reserve rights relate to aggregate reserves to which the Company has certain rights of ownership, but does not own the reserves. The intangible assets are amortized on a straight-line basis over the lives of the leases or permits. The following table shows intangible assets by type and in total:

	July 1, 2023						December 31, 2022
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Operating permits	$	38,677	$	(4,926)	$	33,751	$	38,677	$	(4,109)	$	34,568
Mineral leases	17,778		(7,228)		10,550		18,091		(7,056)		11,035
Reserve rights	25,586		(4,608)		20,978		25,242		(3,872)		21,370
Other	4,994		(559)		4,435		4,877		(466)		4,411
Total intangible assets	$	87,035	$	(17,321)	$	69,714	$	86,887	$	(15,503)	$	71,384

Amortization expense totaled $0.9 million and $1.8 million for the three and six months ended July 1, 2023, respectively, and $0.8 million and $1.8 million for the three and six months ended July 2, 2022, respectively The estimated amortization expense for the intangible assets for each of the five years subsequent to July 1, 2023 is as follows:

2023 (six months)	$	1,999
2024	4,006
2025	3,965
2026	3,916
2027	3,904
2028	3,906
Thereafter	48,018
Total	$	69,714

3. REVENUE RECOGNITION

We derive our revenue predominantly by selling construction materials, products and providing paving and related services. Construction materials consist of aggregates and cement. Products consist of related downstream products, including ready-mix concrete, asphalt paving mix and concrete products. Paving and related service revenue is generated primarily from the asphalt paving services that we provide.

Revenue by product for the three and six months ended July 1, 2023 and July 2, 2022 is as follows:

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Revenue by product*:
Aggregates	$	182,512	$	161,480	$	326,165	$	284,873
Cement	103,607		86,815		152,620		129,369
Ready-mix concrete	199,570		183,357		338,348		340,920
Asphalt	91,809		94,141		118,444		111,279
Paving and related services	89,374		98,610		116,558		129,220
Other	62,278		62,151		112,403		111,840
Total revenue	$	729,150	$	686,554	$	1,164,538	$	1,107,501

*Revenue from liquid asphalt terminals is included in asphalt revenue.

Accounts receivable, net consisted of the following as of July 1, 2023 and December 31, 2022:

	July 1, 2023		December 31, 2022
Trade accounts receivable	$	314,590	$	215,766
Construction contract receivables	52,932		37,067
Retention receivables	10,461		11,048
Accounts receivable	377,983		263,881
Less: Allowance for doubtful accounts	(7,479)		(7,212)
Accounts receivable, net	$	370,504	$	256,669

Retention receivables are amounts earned by the Company but held by customers until paving and related service contracts and projects are near completion or fully completed. Amounts are generally billed and collected within one year.

4. INVENTORIES

Inventories consisted of the following as of July 1, 2023 and December 31, 2022:

	July 1, 2023		December 31, 2022
Aggregate stockpiles	$	157,272	$	148,347
Finished goods	55,877		33,622
Work in process	9,806		8,191
Raw materials	23,320		22,331
Total	$	246,275	$	212,491

5. ACCRUED EXPENSES

Accrued expenses consisted of the following as of July 1, 2023 and December 31, 2022:

	July 1, 2023		December 31, 2022
Interest	$	36,037	$	24,625
Payroll and benefits	40,602		34,485
Finance lease obligations	3,499		6,959
Insurance	21,314		18,127
Non-income taxes	10,061		5,101
Deferred asset purchase payments	5,824		5,131
Professional fees	1,755		924
Other (1)	25,653		25,356
Total	$	144,745	$	120,708

_______________________________________________________________________

(1) Consists primarily of current portion of asset retirement obligations and miscellaneous accruals.

6. DEBT

Debt consisted of the following as of July 1, 2023 and December 31, 2022:

	July 1, 2023		December 31, 2022
Term Loan, due 2027:
$507.0 million and $509.6 million, net of $4.5 million and $5.0 million discount at July 1, 2023 and December 31, 2022, respectively	$	502,511	$	504,549
6 1/2% Senior Notes, due 2027	300,000		300,000
5 1/4% Senior Notes, due 2029	700,000		700,000
Total	1,502,511		1,504,549
Current portion of long-term debt	5,096		5,096
Long-term debt	$	1,497,415	$	1,499,453

The contractual payments of long-term debt, including current maturities, for the five years subsequent to July 1, 2023, are as follows:

2023 (six months)	$	2,548
2024	3,822
2025	6,369
2026	5,096
2027	789,177
2028	—
Thereafter	700,000
Total	1,507,012
Less: Original issue net discount	(4,501)
Less: Capitalized loan costs	(10,126)
Total debt	$	1,492,385

Senior Notes—On August 11, 2020, Summit LLC and Summit Finance (together, the “Issuers”) issued $700.0 million in aggregate principal amount of 5.250% senior notes due January 15, 2029 (the “2029 Notes”). The 2029 Notes were issued at 100.0% of their par value with proceeds of $690.4 million, net of related fees and expenses. The 2029 Notes were issued under an indenture dated August 11, 2020 (the "2029 Notes Indenture"). The 2029 Notes Indenture contains covenants limiting, among other things, Summit LLC and its restricted subsidiaries’ ability to incur additional indebtedness or issue certain preferred shares, pay dividends, redeem stock or make other distributions, make certain investments, sell or transfer certain assets, create liens, consolidate, merge, sell or otherwise dispose of all or substantially all of its assets, enter into certain transactions with affiliates, and designate subsidiaries as unrestricted subsidiaries. The 2029 Notes Indenture also contains customary events of default. Interest on the 2029 Notes is payable semi-annually on January 15 and July 15 of each year commencing on January 15, 2021.

On March 15, 2019, the Issuers issued $300.0 million in aggregate principal amount of 6.500% senior notes due March 15, 2027 (the “2027 Notes”). The 2027 Notes were issued at 100.0% of their par value with proceeds of $296.3 million, net of related fees and expenses. The 2027 Notes were issued under an indenture dated March 25, 2019, the terms of which are generally consistent with the 2029 Notes Indenture. Interest on the 2027 Notes is payable semi-annually on March 15 and September 15 of each year commencing on September 15, 2019.

As of July 1, 2023 and December 31, 2022, the Company was in compliance with all covenants under the applicable indentures.

Senior Secured Credit Facilities— Summit LLC has credit facilities that provide for term loans in an aggregate amount of $507.0 million and revolving credit commitments in an aggregate amount of $395.0 million (the “Senior Secured Credit Facilities”). Under the Senior Secured Credit Facilities, required principal repayments of 0.25% of the refinanced aggregate amount of term debt are due on the last business day of each March, June, September and December commencing with the March 2023 payment. The interest rate on the term loan is a variable rate, it was 8.49% as of July 1, 2023. In 2022, the Company repaid $95.6 million of its term loan under provisions related to divestitures of businesses.

On December 14, 2022, Summit Materials, LLC entered into Amendment No. 5 to the credit agreement governing the Senior Secured Credit Facilities (the “Credit Agreement”), which among other things, (a) refinanced the existing $509.6 million of existing term loans with new term loans under the Term Loan Facility bearing interest, at Summit LLC’s option, based on either the base rate or Term Secured Overnight Financing Rate (“SOFR”) rate and an applicable margin of (i) 2.00% per annum with respect to base rate borrowings and a floor of 1.00% per annum or (ii) 3.00% per annum with respect to Term SOFR borrowings, with a SOFR adjustment of 0.10% per annum and a floor of zero, and (b) extended the maturity date to December 14, 2027.

On January 10, 2023, Summit Materials, LLC entered into Amendment No. 6 to the Credit Agreement, which among other things, increased the maximum amount available to $395.0 million and extended the maturity date to January 10, 2028. The revolving credit agreement bears interest per annum equal to a Term SOFR Rate with a SOFR adjustment of 0.10% per annum and a floor of zero.

There were no outstanding borrowings under the revolving credit facility as of July 1, 2023 and December 31, 2022, with borrowing capacity of $374.1 million remaining as of July 1, 2023, which is net of $20.9 million of outstanding letters of credit. The outstanding letters of credit are renewed annually and support required bonding on construction projects, large leases, workers compensation claims and the Company’s insurance liabilities.

Summit LLC’s Consolidated First Lien Net Leverage Ratio, as such term is defined in the Credit Agreement, should be no greater than 4.75:1.0 as of each quarter-end. As of July 1, 2023 and December 31, 2022, Summit LLC was in compliance with all financial covenants.

Summit LLC’s wholly-owned domestic subsidiary companies, subject to certain exclusions and exceptions, are named as subsidiary guarantors of the Senior Notes and the Senior Secured Credit Facilities. In addition, Summit LLC has pledged substantially all of its assets as collateral, subject to certain exclusions and exceptions, for the Senior Secured Credit Facilities.

The following table presents the activity for the deferred financing fees for the six months ended July 1, 2023 and July 2, 2022:

	Deferred financing fees
Balance—December 31, 2022	$	11,489
Loan origination fees	1,566
Amortization	(1,227)
Write off of deferred financing fees	(160)
Balance—July 1, 2023	$	11,668
Balance - January 1, 2022	$	13,049
Amortization	(1,384)
Balance -July 2, 2022	$	11,665

Other—On January 15, 2015, the Company’s wholly-owned subsidiary in British Columbia, Canada entered into an agreement with HSBC Bank Canada, which was amended on November 30, 2020, for a (i) $6.0 million Canadian dollar (“CAD”) revolving credit commitment to be used for operating activities that bears interest per annum equal to the bank’s prime rate plus 0.20%, (ii) $0.5 million CAD revolving credit commitment to be used for capital equipment that bears interest per annum at the bank’s prime rate plus 0.20% and (iii) $1.5 million CAD revolving credit commitment to provide guarantees on behalf of that subsidiary and (iv) $10.0 million CAD revolving foreign exchange facility available to purchase foreign exchange forward contracts. There were no amounts outstanding under this agreement as of July 1, 2023 or December 31, 2022, which may be terminated upon demand.

7. INCOME TAXES

Summit LLC is a limited liability company and passes its tax attributes for federal and state tax purposes to its parent company and is generally not subject to federal or state income tax. However, certain subsidiary entities file federal, state and Canadian income tax returns due to their status as taxable entities in the respective jurisdiction. The effective income tax rate for the C Corporations differs from the statutory federal rate primarily due to (1) tax depletion expense in excess of the expense recorded under U.S. GAAP, (2) basis differences in assets divested, (3) state income taxes and the effect of graduated tax rates and (4) various other items, such as limitations on meals and entertainment and other costs. The effective income tax rate for the Canadian subsidiary is not significantly different from its historical effective tax rate.

No material interest or penalties were recognized in income tax expense during the three and six months ended July 1, 2023 and July 2, 2022.

8. MEMBERS’ INTEREST

Accumulated other comprehensive income (loss) —The changes in each component of accumulated other comprehensive income (loss) consisted of the following:

					Accumulated
			Foreign currency		other
	Change in		translation		comprehensive
	retirement plans		adjustments		(loss) income
Balance — December 31, 2022	$	(762)	$	(20,614)	$	(21,376)
Foreign currency translation adjustment	—		4,105		4,105
Balance — July 1, 2023	$	(762)	$	(16,509)	$	(17,271)
Balance — January 1, 2022	$	(7,243)	$	(8,783)	$	(16,026)
Foreign currency translation adjustment	—		(3,866)		(3,866)
Balance — July 2, 2022	$	(7,243)	$	(12,649)	$	(19,892)

9. SUPPLEMENTAL CASH FLOW INFORMATION

Supplemental cash flow information is as follows:

	Six months ended
	July 1, 2023		July 2, 2022
Cash payments:
Interest	$	38,107	$	36,115
Payments for income taxes, net	6,941		8,503
Operating cash payments on operating leases	4,801		4,652
Operating cash payments on finance leases	282		646
Finance cash payments on finance leases	5,223		11,297
Non cash investing and financing activities:
Accrued liabilities for purchases of property, plant and equipment	$	14,994	$	20,225
Right of use assets obtained in exchange for operating lease obligations	2,050		9,312
Right of use assets obtained in exchange for finance leases obligations	413		258

10. LEASES

We lease construction and office equipment, distribution facilities and office space. Leases with an initial term of 12 months or less, including month to month leases, are not recorded on the balance sheet. Lease expense for short-term leases is recognized on a straight line basis over the lease term. For lease agreements we have entered into or reassessed, we combine lease and nonlease components. While we also own mineral leases for mining operations, those leases are outside the scope of Accounting Standards Update No. 2016-2, Leases (Topic 842). Assets acquired under finance leases are included in property, plant and equipment.

Many of our leases include options to purchase the leased equipment. The depreciable life of assets and leasehold improvements are limited by the expected lease term, unless there is a transfer of title or purchase option reasonably certain of

exercise. Our lease agreements do not contain any material residual value guarantees or material restrictive covenants. The components of lease expense were as follows:

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023			July 2, 2022
Operating lease cost	$	2,697	$	2,271	$	5,338		$	4,783
Variable lease cost	34		42		64			155
Short-term lease cost	10,184		10,933		17,454			19,181
Financing lease cost:
Amortization of right-of-use assets	714		1,377		1,532			3,363
Interest on lease liabilities	133		271		281			640
Total lease cost	$	13,762	$	14,894	$	24,669		$	28,122
					July 1, 2023			December 31, 2022
Supplemental balance sheet information related to leases:
Operating leases:
Operating lease right-of-use assets					$	36,013		$	37,889
Current operating lease liabilities					$	7,707		$	7,296
Noncurrent operating lease liabilities					33,563			35,737
Total operating lease liabilities					$	41,270		$	43,033
Finance leases:
Property and equipment, gross					$	21,515		$	32,119
Less accumulated depreciation					(10,101)			(14,992)
Property and equipment, net					$	11,414		$	17,127
Current finance lease liabilities					$	3,499		$	6,959
Long-term finance lease liabilities					5,820			7,167
Total finance lease liabilities					$	9,319		$	14,126
Weighted average remaining lease term (years):
Operating leases					8.8			9.1
Finance lease					3.5			2.8
Weighted average discount rate:
Operating leases					4.8		%	4.7		%
Finance leases					5.7		%	5.3		%
Maturities of lease liabilities, as of July 1, 2023, were as follows:
					Operating Leases			Finance Leases
2023 (six months)					$	4,831		$	2,142
2024					8,762			3,052
2025					6,787			2,435
2026					5,242			990
2027					4,233			760
2028					3,432			513
Thereafter					17,664			570
Total lease payments					50,951			10,462
Less imputed interest					(9,681)			(1,143)
Present value of lease payments					$	41,270		$	9,319

11. COMMITMENTS AND CONTINGENCIES

The Company is party to certain legal actions arising from the ordinary course of business activities. Accruals are recorded when the outcome is probable and can be reasonably estimated. While the ultimate results of claims and litigation cannot be predicted with certainty, management expects that the ultimate resolution of all current pending or threatened claims and litigation will not have a material effect on the Company’s consolidated financial position, results of operations or liquidity. The Company records legal fees as incurred.

In March 2018, we were notified of an investigation by the Canadian Competition Bureau (the “CCB”) into pricing practices by certain asphalt paving contractors in British Columbia, including Winvan Paving, Ltd. (“Winvan”). We believe the investigation is focused on time periods prior to our April 2017 acquisition of Winvan and we are cooperating with the CCB. Although we currently do not believe this matter will have a material adverse effect on our business, financial condition or results of operations, we are currently not able to predict the ultimate outcome or cost of the investigation.

Environmental Remediation and Site Restoration—The Company’s operations are subject to and affected by federal, state, provincial and local laws and regulations relating to the environment, health and safety and other regulatory matters. These operations require environmental operating permits, which are subject to modification, renewal and revocation. The Company regularly monitors and reviews its operations, procedures and policies for compliance with these laws and regulations. Despite these compliance efforts, risk of environmental liability is inherent in the operation of the Company’s business, as it is with other companies engaged in similar businesses and there can be no assurance that environmental liabilities or noncompliance will not have a material adverse effect on the Company’s consolidated financial condition, results of operations or liquidity.

The Company has asset retirement obligations arising from regulatory and contractual requirements to perform reclamation activities at the time certain quarries and landfills are closed. As of July 1, 2023 and December 31, 2022, $36.6 million and $36.3 million, respectively, were included in other noncurrent liabilities on the consolidated balance sheets and $4.9 million and $4.0 million, respectively, were included in accrued expenses for future reclamation costs. The total undiscounted anticipated costs for site reclamation as of July 1, 2023 and December 31, 2022 were $125.2 million and $124.9 million, respectively.

Other—The Company is obligated under various firm purchase commitments for certain raw materials and services that are in the ordinary course of business. Management does not expect any significant changes in the market value of these goods and services during the commitment period that would have a material adverse effect on the financial condition, results of operations and cash flows of the Company. The terms of the purchase commitments generally approximate one year.

12. FAIR VALUE

Fair Value Measurements—Certain acquisitions made by the Company require the payment of contingent amounts of purchase consideration. These payments are contingent on specified operating results being achieved in periods subsequent to the acquisition and will only be made if earn-out thresholds are achieved. Contingent consideration obligations are measured at fair value each reporting period. Any adjustments to fair value are recognized in earnings in the period identified.

The fair value of contingent consideration as of July 1, 2023 and December 31, 2022 was: 

	July 1, 2023		December 31, 2022
Current portion of acquisition-related liabilities and Accrued expenses:
Contingent consideration	$	336	$	336
Acquisition-related liabilities and Other noncurrent liabilities:
Contingent consideration	$	5,102	$	4,981

The fair value of contingent consideration was based on unobservable, or Level 3, inputs, including projected probability-weighted cash payments and a 10.0% discount rate, which reflects a market discount rate. Changes in fair value may occur as a result of a change in actual or projected cash payments, the probability weightings applied by the Company to projected payments or a change in the discount rate. Significant increases or decreases in any of these inputs in isolation could result in a lower, or higher, fair value measurement. There were no material valuation adjustments to contingent consideration as of July 1, 2023 and July 2, 2022.

Financial Instruments—The Company’s financial instruments include debt and certain acquisition-related liabilities (deferred consideration and noncompete obligations). The carrying value and fair value of these financial instruments as of July 1, 2023 and December 31, 2022 was:

	July 1, 2023				December 31, 2022
	Fair Value		Carrying Value		Fair Value		Carrying Value
Level 1
Long-term debt(1)	$	1,456,913	$	1,502,511	$	1,447,673	$	1,504,549
Level 3
Current portion of deferred consideration and noncompete obligations(2)	6,907		6,907		13,382		13,382
Long term portion of deferred consideration and noncompete obligations(3)	18,401		18,401		24,070		24,070

(1)$5.1 million was included in current portion of debt as of July 1, 2023 and December 31, 2022.

(2)Included in current portion of acquisition-related liabilities on the consolidated balance sheets.

(3)Included in acquisition-related liabilities on the consolidated balance sheets.

The fair value of debt was determined based on observable, or Level 2, inputs, such as interest rates, bond yields and quoted prices in inactive markets. The fair values of the deferred consideration and noncompete obligations were determined based on unobservable, or Level 3, inputs, including the cash payment terms in the purchase agreements and a discount rate reflecting the Company’s credit risk. The discount rate used is generally consistent with that used when the obligations were initially recorded.

Securities with a maturity of three months or less are considered cash equivalents and the fair value of these assets approximates their carrying value.

13. SEGMENT INFORMATION

The Company has three operating segments: West, East and Cement, which are its reporting segments. These segments are consistent with the Company’s management reporting structure.

The operating results of each segment are regularly reviewed and evaluated by the Chief Executive Officer, our Company’s Chief Operating Decision Maker (“CODM”). The CODM primarily evaluates the performance of the Company’s segments and allocates resources to them based on a segment profit metric that we call Adjusted EBITDA, which is computed as earnings from operations before interest, taxes, depreciation, depletion, amortization, accretion and share-based compensation, as well as various other non-recurring, non-cash amounts.

The West and East segments have several subsidiaries that are engaged in various activities including quarry mining, aggregate production and contracting. The Cement segment is engaged in the production of Portland cement. Assets employed by each segment include assets directly identified with those operations. Corporate assets consist primarily of cash, property, plant and equipment for corporate operations and other assets not directly identifiable with a reportable business segment. The accounting policies applicable to each segment are consistent with those used in the consolidated financial statements.

The following tables display selected financial data for the Company’s reportable business segments as of July 1, 2023 and December 31, 2022 and for the three and six months ended July 1, 2023 and July 2, 2022:

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Revenue*:
West	$	430,738	$	383,750	$	681,620	$	635,982
East	186,537		209,153		316,926		331,643
Cement	111,875		93,651		165,992		139,876
Total revenue	$	729,150	$	686,554	$	1,164,538	$	1,107,501

*Intercompany sales are immaterial and the presentation above only reflects sales to external customers.

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Income from operations before taxes	$	107,209	$	247,667	$	69,531	$	208,124
Interest expense	27,902		20,599		55,322		40,748
Depreciation, depletion and amortization	54,042		46,455		104,230		96,934
Accretion	745		702		1,451		1,416
Loss on debt financings	—		—		493		—
Gain on sale of businesses	—		(156,053)		—		(170,258)
Non-cash compensation	5,216		4,734		9,924		10,156
Other	(3,369)		(70)		(8,005)		177
Total Adjusted EBITDA	$	191,745	$	164,034	$	232,946	$	187,297
Total Adjusted EBITDA by Segment:
West	$	104,517	$	84,644	$	137,195	$	117,336
East	47,617		46,694		66,469		54,830
Cement	52,872		43,241		52,882		37,422
Corporate and other	(13,261)		(10,545)		(23,600)		(22,291)
Total Adjusted EBITDA	$	191,745	$	164,034	$	232,946	$	187,297

	Six months ended
	July 1, 2023		July 2, 2022
Purchases of property, plant and equipment
West	$	70,687	$	58,137
East	30,378		45,910
Cement	19,477		19,875
Total reportable segments	120,542		123,922
Corporate and other	6,351		5,658
Total purchases of property, plant and equipment	$	126,893	$	129,580

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Depreciation, depletion, amortization and accretion:
West	$	28,144	$	22,012	$	54,517	$	46,587
East	15,718		14,915		31,253		33,210
Cement	9,891		9,460		17,889		17,034
Total reportable segments	53,753		46,387		103,659		96,831
Corporate and other	1,034		770		2,022		1,519
Total depreciation, depletion, amortization and accretion	$	54,787	$	47,157	$	105,681	$	98,350

	July 1, 2023		December 31, 2022
Total assets:
West	$	1,919,824	$	1,565,776
East	1,181,536		1,151,223
Cement	924,766		873,604
Total reportable segments	4,026,126		3,590,603
Corporate and other	243,544		529,103
Total	$	4,269,670	$	4,119,706

14. GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION

Summit LLC’s domestic wholly-owned subsidiary companies other than Finance Corp. are named as guarantors (collectively, the “Guarantors”) of the Senior Notes. Finance Corp. does not and will not have any assets or operations other than as may be incidental to its activities as a co-issuer of the Senior Notes and other indebtedness. Certain other partially-owned subsidiaries and a non-U.S. entity do not guarantee the Senior Notes (collectively, the “Non-Guarantors”). The Guarantors provide a joint and several, full and unconditional guarantee of the Senior Notes.

There are no significant restrictions on Summit LLC’s ability to obtain funds from any of the Guarantors in the form of dividends or loans. Additionally, there are no significant restrictions on a Guarantor’s ability to obtain funds from Summit LLC or its direct or indirect subsidiaries.

The following condensed consolidating balance sheets, statements of operations and cash flows are provided for the Issuers, the Guarantors and the Non-Guarantors.

Earnings from subsidiaries are included in other income in the condensed consolidated statements of operations below. The financial information may not necessarily be indicative of the financial position, results of operations or cash flows had the Guarantors or Non-Guarantors operated as independent entities.

Condensed Consolidating Balance Sheets

July 1, 2023

					Non-
	Issuers		Guarantors		Guarantors		Eliminations		Consolidated
Assets
Current assets:
Cash and cash equivalents	$	197,481	$	5,698	$	32,206	$	(5,375)	$	230,010
Accounts receivable, net	603		341,501		28,491		(91)		370,504
Intercompany receivables	311,267		1,985,385		—		(2,296,652)		—
Cost and estimated earnings in excess of billings	—		33,533		1,782		—		35,315
Inventories	—		239,848		6,427		—		246,275
Other current assets	11,596		11,143		1,459		—		24,198
Total current assets	520,947		2,617,108		70,365		(2,302,118)		906,302
Property, plant and equipment, net	27,660		1,871,238		81,088		—		1,979,986
Goodwill	—		1,171,500		57,968		—		1,229,468
Intangible assets, net	—		65,279		4,435		—		69,714
Operating lease right-of-use assets	4,225		27,149		4,639		—		36,013
Other assets	5,016,546		216,720		810		(5,185,889)		48,187
Total assets	$	5,569,378	$	5,968,994	$	219,305	$	(7,488,007)	$	4,269,670
Liabilities and Members' Interest
Current liabilities:
Current portion of debt	$	5,096	$	—	$	—	$	—	$	5,096
Current portion of acquisition-related liabilities	—		7,243		—		—		7,243
Accounts payable	5,622		153,815		11,730		(91)		171,076
Accrued expenses	64,653		82,359		3,108		(5,375)		144,745
Current operating lease liabilities	946		6,099		662		—		7,707
Intercompany payables	1,776,656		516,160		3,836		(2,296,652)		—
Billings in excess of costs and estimated earnings	—		6,313		741		—		7,054
Total current liabilities	1,852,973		771,989		20,077		(2,302,118)		342,921
Long-term debt	1,487,289		—		—		—		1,487,289
Acquisition-related liabilities	—		23,503		—		—		23,503
Noncurrent operating lease liabilities	8,315		21,355		3,893		—		33,563
Other noncurrent liabilities	5,497		208,578		117,436		(164,421)		167,090
Total liabilities	3,354,074		1,025,425		141,406		(2,466,539)		2,054,366
Total members' interest	2,215,304		4,943,569		77,899		(5,021,468)		2,215,304
Total liabilities and members' interest	$	5,569,378	$	5,968,994	$	219,305	$	(7,488,007)	$	4,269,670

Condensed Consolidating Balance Sheets

December 31, 2022

					Non-
	Issuers		Guarantors		Guarantors		Eliminations		Consolidated
Assets
Current assets:
Cash and cash equivalents	$	498,307	$	2,864	$	26,298	$	(7,018)	$	520,451
Accounts receivable, net	1,528		233,039		22,127		(25)		256,669
Intercompany receivables	329,744		1,937,390		—		(2,267,134)		—
Cost and estimated earnings in excess of billings	—		5,861		649		—		6,510
Inventories	—		206,418		6,073		—		212,491
Other current assets	4,755		16,341		1,159		—		22,255
Total current assets	834,334		2,401,913		56,306		(2,274,177)		1,018,376
Property, plant and equipment, net	21,306		1,710,972		81,424		—		1,813,702
Goodwill	—		1,076,935		56,611		—		1,133,546
Intangible assets, net	—		66,972		4,412		—		71,384
Operating lease right-of-use assets	4,665		28,310		4,914		—		37,889
Other assets	4,599,488		204,644		1,220		(4,760,543)		44,809
Total assets	$	5,459,793	$	5,489,746	$	204,887	$	(7,034,720)	$	4,119,706
Liabilities and Members' Interest
Current liabilities:
Current portion of debt	$	5,096	$	—	$	—	$	—	$	5,096
Current portion of acquisition-related liabilities	—		13,718		—		—		13,718
Accounts payable	3,553		93,096		7,806		(25)		104,430
Accrued expenses	54,417		70,433		2,876		(7,018)		120,708
Current operating lease liabilities	921		5,637		738		—		7,296
Intercompany payables	1,750,352		513,494		3,288		(2,267,134)		—
Billings in excess of costs and estimated earnings	—		4,956		783		—		5,739
Total current liabilities	1,814,339		701,334		15,491		(2,274,177)		256,987
Long-term debt	1,488,569		—		—		—		1,488,569
Acquisition-related liabilities	—		29,051		—		—		29,051
Noncurrent operating lease liabilities	8,726		22,871		4,140		—		35,737
Other noncurrent liabilities	5,009		208,185		117,439		(164,421)		166,212
Total liabilities	3,316,643		961,441		137,070		(2,438,598)		1,976,556
Total members' interest	2,143,150		4,528,305		67,817		(4,596,122)		2,143,150
Total liabilities and members' interest	$	5,459,793	$	5,489,746	$	204,887	$	(7,034,720)	$	4,119,706

Condensed Consolidating Statements of Operations

For the three months ended July 1, 2023

					Non-
	Issuers		Guarantors		Guarantors		Eliminations		Consolidated
Revenue	$	—	$	695,912	$	34,801	$	(1,563)	$	729,150
Cost of revenue (excluding items shown separately below)	—		469,869		24,097		(1,563)		492,403
General and administrative expenses	18,653		32,007		1,667		—		52,327
Depreciation, depletion, amortization and accretion	1,034		50,918		2,835		—		54,787
Operating (loss) income	(19,687)		143,118		6,202		—		129,633
Other income, net	(160,703)		(1,271)		(601)		157,097		(5,478)
Interest expense (income)	40,430		(13,898)		1,370		—		27,902
Income from operation before taxes	100,586		158,287		5,433		(157,097)		107,209
Income tax expense	496		5,146		1,477		—		7,119
Net income attributable to Summit LLC	$	100,090	$	153,141	$	3,956	$	(157,097)	$	100,090
Comprehensive income attributable to member of Summit Materials, LLC	$	103,992	$	153,141	$	54	$	(153,195)	$	103,992

Condensed Consolidating Statements of Operations

For the six months ended July 1, 2023

					Non-
	Issuers		Guarantors		Guarantors		Eliminations		Consolidated
Revenue	$	—	$	1,104,334	$	62,562	$	(2,358)	$	1,164,538
Cost of revenue (excluding items shown separately below)	—		805,079		43,719		(2,358)		846,440
General and administrative expenses	33,873		60,955		3,431		—		98,259
Depreciation, depletion, amortization and accretion	2,022		98,071		5,588		—		105,681
Operating (loss) income	(35,895)		140,229		9,824		—		114,158
Other income, net	(179,850)		(1,547)		(1,109)		171,811		(10,695)
Interest expense (income)	80,276		(27,694)		2,740		—		55,322
Income from operation before taxes	63,679		169,470		8,193		(171,811)		69,531
Income tax expense	800		3,635		2,217		—		6,652
Net income attributable to Summit LLC	$	62,879	$	165,835	$	5,976	$	(171,811)	$	62,879
Comprehensive income attributable to member of Summit Materials, LLC	$	66,984	$	165,835	$	1,871	$	(167,706)	$	66,984

Condensed Consolidating Statements of Operations

For the three months ended July 2, 2022

					Non-
	Issuers		Guarantors		Guarantors		Eliminations		Consolidated
Revenue	$	—	$	656,952	$	33,762	$	(4,160)	$	686,554
Cost of revenue (excluding items shown separately below)	—		464,383		23,982		(4,160)		484,205
General and administrative expenses	15,919		26,426		1,611		—		43,956
Depreciation, depletion, amortization and accretion	769		43,342		3,046		—		47,157
Operating (loss) income	(16,688)		122,801		5,123		—		111,236
Other (income) loss, net	(166,798)		(433)		96		166,158		(977)
Interest expense (income)	33,579		(14,350)		1,370		—		20,599
Gain on sale of business	(126,601)		(29,452)		—		—		(156,053)
Income from operation before taxes	243,132		167,036		3,657		(166,158)		247,667
Income tax expense	1,031		3,548		987		—		5,566
Net income attributable to Summit LLC	$	242,101	$	163,488	$	2,670	$	(166,158)	$	242,101
Comprehensive income attributable to member of Summit Materials, LLC	$	236,491	$	163,488	$	8,280	$	(171,768)	$	236,491

Condensed Consolidating Statements of Operations

For the six months ended July 2, 2022

					Non-
	Issuers		Guarantors		Guarantors		Eliminations		Consolidated
Revenue	$	—	$	1,052,132	$	60,859	$	(5,490)	$	1,107,501
Cost of revenue (excluding items shown separately below)	—		798,647		44,428		(5,490)		837,585
General and administrative expenses	33,223		58,099		3,303		—		94,625
Depreciation, depletion, amortization and accretion	1,518		90,839		5,993		—		98,350
Operating (loss) income	(34,741)		104,547		7,135		—		76,941
Other (income) loss, net	(172,716)		(986)		89		171,940		(1,673)
Interest expense (income)	67,481		(29,473)		2,740		—		40,748
Gain on sale of business	(126,601)		(43,657)		—		—		(170,258)
Income from operation before taxes	197,095		178,663		4,306		(171,940)		208,124
Income tax expense	1,381		9,866		1,163		—		12,410
Net income attributable to Summit LLC	$	195,714	$	168,797	$	3,143	$	(171,940)	$	195,714
Comprehensive income attributable to member of Summit Materials, LLC	$	191,848	$	168,797	$	7,009	$	(175,806)	$	191,848

Condensed Consolidating Statements of Cash Flows

For the six months ended July 1, 2023

					Non-
	Issuers		Guarantors		Guarantors		Eliminations		Consolidated
Net cash (used in) provided by operating activities	$	(62,840)	$	146,620	$	10,262	$	—	$	94,042
Cash flow from investing activities:
Acquisitions, net of cash acquired	—		(237,666)		—		—		(237,666)
Purchase of property, plant and equipment	(6,350)		(117,310)		(3,233)		—		(126,893)
Proceeds from the sale of property, plant, and equipment	—		5,435		325		—		5,760
Other	—		(1,852)		—		—		(1,852)
Net cash used in investing activities	(6,350)		(351,393)		(2,908)		—		(360,651)
Cash flow from financing activities:
Capital distributions to member	(239,264)		239,348		—		—		84
Loans received from and payments made on loans from other Summit Companies	13,332		(12,997)		(1,978)		1,643		—
Payments on long-term debt	(2,548)		(4,172)		—		—		(6,720)
Payments on acquisition-related liabilities	—		(11,539)		—		—		(11,539)
Debt issuance costs	(1,566)		—		—		—		(1,566)
Other	(1,590)		(3,033)		(215)		—		(4,838)
Net cash (used in) provided by financing activities	(231,636)		207,607		(2,193)		1,643		(24,579)
Impact of cash on foreign currency	—		—		747		—		747
Net (decrease) increase in cash	(300,826)		2,834		5,908		1,643		(290,441)
Cash — Beginning of period	498,307		2,864		26,298		(7,018)		520,451
Cash — End of period	$	197,481	$	5,698	$	32,206	$	(5,375)	$	230,010

Condensed Consolidating Statements of Cash Flows

For the six months ended July 2, 2022

					Non-
	Issuers		Guarantors		Guarantors		Eliminations		Consolidated
Net cash (used in) provided by operating activities	$	(63,758)	$	73,145	$	6,867	$	—	$	16,254
Cash flow from investing activities:
Acquisitions, net of cash acquired	—		(1,933)		—		—		(1,933)
Purchase of property, plant and equipment	(5,657)		(121,589)		(2,334)		—		(129,580)
Proceeds from the sale of property, plant, and equipment	—		5,182		245		—		5,427
Proceeds from the sale of a business	—		341,741		—		—		341,741
Other	—		(1,098)		—		—		(1,098)
Net cash (used in) provided by investing activities	(5,657)		222,303		(2,089)		—		214,557
Cash flow from financing activities:
Capital distributions to member	(49,319)		1,933		—		—		(47,386)
Loans received from and payments made on loans from other Summit Companies	275,632		(273,262)		(2,991)		621		—
Payments on long-term debt	(75,553)		(11,268)		—		—		(86,821)
Payments on acquisition-related liabilities	—		(11,577)		—		—		(11,577)
Distributions from partnership	(25)		—		—		—		(25)
Other	(187)		—		—		—		(187)
Net cash provided by (used in) financing activities	150,548		(294,174)		(2,991)		621		(145,996)
Impact of cash on foreign currency	—		—		(461)		—		(461)
Net increase in cash	81,133		1,274		1,326		621		84,354
Cash — Beginning of period	365,044		2,264		18,337		(4,684)		380,961
Cash — End of period	$	446,177	$	3,538	$	19,663	$	(4,063)	$	465,315

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Cover - shares	6 Months Ended
	Jul. 01, 2023	Jul. 31, 2023
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jul. 01, 2023
Document Transition Report	false
Entity File Number	001-36873
Entity Registrant Name	SUMMIT MATERIALS, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	47-1984212
Entity Address, Address Line One	1801 California Street
Entity Address, Address Line Two	Suite 3500
Entity Address, City or Town	Denver
Entity Address, State or Province	CO
Entity Address, Postal Zip Code	80202
City Area Code	303
Local Phone Number	893-0012
Title of 12(b) Security	Class A Common Stock (par value $.01 per share)
Trading Symbol	SUM
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Central Index Key	0001621563
Amendment Flag	false
Current Fiscal Year End Date	--12-30
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q2
Common Class A
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		118,929,412
Common Class B
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		99
Summit Materials, LLC
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jul. 01, 2023
Document Transition Report	false
Entity File Number	333-187556
Entity Registrant Name	SUMMIT MATERIALS, LLC
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	26-4138486
Entity Address, Address Line One	1801 California Street
Entity Address, Address Line Two	Suite 3500
Entity Address, City or Town	Denver
Entity Address, State or Province	CO
Entity Address, Postal Zip Code	80202
Local Phone Number	893-0012
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Central Index Key	0001571371
Amendment Flag	false
Current Fiscal Year End Date	--12-30
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q2

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Consolidated Balance Sheets - Summit Materials Inc - USD ($) $ in Thousands	Jul. 01, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 230,010	$ 520,451
Accounts receivable, net	370,504	256,669
Costs and estimated earnings in excess of billings	35,315	6,510
Inventories	246,275	212,491
Other current assets	22,336	20,787
Current assets held for sale	1,862	1,468
Total current assets	906,302	1,018,376
Property, plant and equipment, less accumulated depreciation, depletion and amortization (July 1, 2023 - $1,352,008 and December 31, 2022 - $1,267,557)	1,979,986	1,813,702
Goodwill	1,228,468	1,132,546
Intangible assets, less accumulated amortization (July 1, 2023 - $17,321 and December 31, 2022 - $15,503)	69,714	71,384
Deferred tax assets, less valuation allowance (July 1, 2023 - $1,113 and December 31, 2022 - $1,113)	126,817	136,986
Operating lease right-of-use assets	36,013	37,889
Other assets	48,187	44,809
Total assets	4,395,487	4,255,692
Current liabilities:
Current portion of debt	5,096	5,096
Current portion of acquisition-related liabilities	7,243	13,718
Accounts payable	171,221	104,031
Accrued expenses	148,660	119,967
Current operating lease liabilities	7,707	7,296
Billings in excess of costs and estimated earnings	7,054	5,739
Total current liabilities	346,981	255,847
Long-term debt	1,487,289	1,488,569
Acquisition-related liabilities	23,503	29,051
Tax receivable agreement liability	322,624	327,812
Noncurrent operating lease liabilities	33,563	35,737
Other noncurrent liabilities	107,563	106,686
Total liabilities	2,321,523	2,243,702
Commitments and contingencies (see note 12)
Stockholders’ equity:
Additional paid-in capital	1,409,364	1,404,122
Accumulated earnings	643,728	590,895
Accumulated other comprehensive income	6,326	3,084
Stockholders’ equity	2,060,608	1,999,286
Noncontrolling interest in Summit Holdings	13,356	12,704
Total stockholders’ equity	2,073,964	2,011,990
Total liabilities and members' interest	4,395,487	4,255,692
Common Class A
Stockholders’ equity:
Common stock	1,190	1,185
Common Class B
Stockholders’ equity:
Common stock	$ 0	$ 0

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Consolidated Balance Sheets - Summit Materials Inc (Parenthetical) - USD ($) $ in Thousands	Jul. 01, 2023	Dec. 31, 2022
Accumulated depreciation, depletion and amortization	$ 1,352,008	$ 1,267,557
Accumulated amortization	17,321	15,503
Valuation allowance	$ 1,113	$ 1,113
Common Class A
Common stock, par value (in usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	1,000,000,000	1,000,000,000
Common stock, shares issued (in shares)	118,886,274	118,408,655
Common stock, shares outstanding (in shares)	118,886,274	118,408,655
Common Class B
Common stock, par value (in usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	250,000,000	250,000,000
Common stock, shares issued (in shares)	99	99
Common stock, shares outstanding (in shares)		99

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Consolidated Balance Sheets - Summit Materials LLC - USD ($) $ in Thousands	Jul. 01, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 230,010	$ 520,451
Accounts receivable, net	370,504	256,669
Cost and estimated earnings in excess of billings	35,315	6,510
Inventories	246,275	212,491
Other current assets	22,336	20,787
Current assets held for sale	1,862	1,468
Total current assets	906,302	1,018,376
Property, plant and equipment, less accumulated depreciation, depletion and amortization (July 1, 2023 - $1,352,008 and December 31, 2022 - $1,267,557)	1,979,986	1,813,702
Goodwill	1,228,468	1,132,546
Intangible assets, less accumulated amortization (July 1, 2023 - $17,321 and December 31, 2022 - $15,503)	69,714	71,384
Operating lease right-of-use assets	36,013	37,889
Other assets	48,187	44,809
Total assets	4,395,487	4,255,692
Current liabilities:
Current portion of debt	5,096	5,096
Current portion of acquisition-related liabilities	7,243	13,718
Accounts payable	171,221	104,031
Accrued expenses	148,660	119,967
Current operating lease liabilities	7,707	7,296
Billings in excess of costs and estimated earnings	7,054	5,739
Total current liabilities	346,981	255,847
Long-term debt	1,487,289	1,488,569
Acquisition-related liabilities	23,503	29,051
Noncurrent operating lease liabilities	33,563	35,737
Other noncurrent liabilities	107,563	106,686
Total liabilities	2,321,523	2,243,702
Commitments and contingencies (see note 11)
Stockholders’ equity:
Accumulated earnings	643,728	590,895
Accumulated other comprehensive loss	6,326	3,084
Total liabilities and members' interest	4,395,487	4,255,692
Summit Materials, LLC
Current assets:
Cash and cash equivalents	230,010	520,451
Accounts receivable, net	370,504	256,669
Cost and estimated earnings in excess of billings	35,315	6,510
Inventories	246,275	212,491
Other current assets	22,336	20,787
Current assets held for sale	1,862	1,468
Total current assets	906,302	1,018,376
Property, plant and equipment, less accumulated depreciation, depletion and amortization (July 1, 2023 - $1,352,008 and December 31, 2022 - $1,267,557)	1,979,986	1,813,702
Goodwill	1,229,468	1,133,546
Intangible assets, less accumulated amortization (July 1, 2023 - $17,321 and December 31, 2022 - $15,503)	69,714	71,384
Operating lease right-of-use assets	36,013	37,889
Other assets	48,187	44,809
Total assets	4,269,670	4,119,706
Current liabilities:
Current portion of debt	5,096	5,096
Current portion of acquisition-related liabilities	7,243	13,718
Accounts payable	171,076	104,430
Accrued expenses	144,745	120,708
Current operating lease liabilities	7,707	7,296
Billings in excess of costs and estimated earnings	7,054	5,739
Total current liabilities	342,921	256,987
Long-term debt	1,487,289	1,488,569
Acquisition-related liabilities	23,503	29,051
Noncurrent operating lease liabilities	33,563	35,737
Other noncurrent liabilities	167,090	166,212
Total liabilities	2,054,366	1,976,556
Commitments and contingencies (see note 11)
Stockholders’ equity:
Members' equity	1,430,448	1,425,278
Accumulated earnings	802,127	739,248
Accumulated other comprehensive loss	(17,271)	(21,376)
Total members' interest	2,215,304	2,143,150
Total liabilities and members' interest	$ 4,269,670	$ 4,119,706

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Unaudited Consolidated Statements of Operations - Summit Materials Inc - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022	Jul. 01, 2023	Jul. 02, 2022
Revenue:
Total revenue	$ 729,150	$ 686,554	$ 1,164,538	$ 1,107,501
Cost of revenue (excluding items shown separately below):
Total cost of revenue	492,403	484,205	846,440	837,585
General and administrative expenses	55,550	47,651	101,912	99,575
Depreciation, depletion, amortization and accretion	54,787	47,157	105,681	98,350
Gain on sale of property, plant and equipment	(3,223)	(3,695)	(3,653)	(4,950)
Operating income	129,633	111,236	114,158	76,941
Interest expense	27,902	20,599	55,322	40,748
Loss on debt financings	0	0	493	0
Tax receivable agreement expense	0	954	0	954
Gain on sale of businesses	0	(156,053)	0	(170,258)
Other income, net	(5,478)	(977)	(11,188)	(1,673)
Income from operations before taxes	107,209	246,713	69,531	207,170
Income tax expense	22,481	53,947	16,015	49,204
Net income	84,728	192,766	53,516	157,966
Net income attributable to noncontrolling interest in Summit Holdings	1,091	2,653	683	2,145
Net income attributable to Summit Inc.	$ 83,637	$ 190,113	$ 52,833	$ 155,821
Common Class A
Earnings per share of Class A common stock:
Basic (in usd per share)	$ 0.70	$ 1.58	$ 0.44	$ 1.29
Diluted (in usd per share)	$ 0.70	$ 1.58	$ 0.44	$ 1.28
Weighted average shares of Class A common stock:
Basic (in shares)	118,848,214	120,078,273	118,706,385	120,417,414
Diluted (in shares)	119,393,709	120,660,721	119,431,604	121,374,168
Common Class A And Restricted Stock
Earnings per share of Class A common stock:
Basic (in usd per share)	$ 0.70	$ 1.58	$ 0.44	$ 1.29
Weighted average shares of Class A common stock:
Basic (in shares)	118,931,914	120,222,094	118,805,785	120,569,387
Excluding delivery and subcontract revenue
Revenue:
Total revenue	$ 680,373	$ 631,918	$ 1,087,643	$ 1,024,413
Cost of revenue (excluding items shown separately below):
Total cost of revenue	443,626	429,569	769,545	754,497
Product
Revenue:
Total revenue	595,714	542,939	967,886	898,608
Cost of revenue (excluding items shown separately below):
Total cost of revenue	377,634	360,356	673,515	650,701
Service
Revenue:
Total revenue	84,659	88,979	119,757	125,805
Cost of revenue (excluding items shown separately below):
Total cost of revenue	65,992	69,213	96,030	103,796
Delivery and subcontract revenue
Revenue:
Total revenue	48,777	54,636	76,895	83,088
Cost of revenue (excluding items shown separately below):
Total cost of revenue	$ 48,777	$ 54,636	$ 76,895	$ 83,088

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Unaudited Consolidated Statements of Operations - Summit Materials LLC - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022	Jul. 01, 2023	Jul. 02, 2022
Revenue:
Total revenue	$ 729,150	$ 686,554	$ 1,164,538	$ 1,107,501
Cost of revenue (excluding items shown separately below):
Total cost of revenue	492,403	484,205	846,440	837,585
General and administrative expenses	55,550	47,651	101,912	99,575
Depreciation, depletion, amortization and accretion	54,787	47,157	105,681	98,350
Gain on sale of property, plant and equipment	(3,223)	(3,695)	(3,653)	(4,950)
Operating income	129,633	111,236	114,158	76,941
Interest expense	27,902	20,599	55,322	40,748
Loss on debt financings	0	0	493	0
Gain on sale of businesses	0	(156,053)	0	(170,258)
Other income, net	(5,478)	(977)	(11,188)	(1,673)
Income from operations before taxes	107,209	246,713	69,531	207,170
Income tax expense	22,481	53,947	16,015	49,204
Net income attributable to Summit Inc.	83,637	190,113	52,833	155,821
Summit Materials, LLC
Revenue:
Total revenue	729,150	686,554	1,164,538	1,107,501
Cost of revenue (excluding items shown separately below):
Total cost of revenue	492,403	484,205	846,440	837,585
General and administrative expenses	55,550	47,651	101,912	99,575
Depreciation, depletion, amortization and accretion	54,787	47,157	105,681	98,350
Gain on sale of property, plant and equipment	(3,223)	(3,695)	(3,653)	(4,950)
Operating income	129,633	111,236	114,158	76,941
Interest expense	27,902	20,599	55,322	40,748
Loss on debt financings	0	0	493	0
Gain on sale of businesses	0	(156,053)	0	(170,258)
Other income, net	(5,478)	(977)	(11,188)	(1,673)
Income from operations before taxes	107,209	247,667	69,531	208,124
Income tax expense	7,119	5,566	6,652	12,410
Net income attributable to Summit Inc.	100,090	242,101	62,879	195,714
Excluding delivery and subcontract revenue
Revenue:
Total revenue	680,373	631,918	1,087,643	1,024,413
Cost of revenue (excluding items shown separately below):
Total cost of revenue	443,626	429,569	769,545	754,497
Excluding delivery and subcontract revenue | Summit Materials, LLC
Revenue:
Total revenue	680,373	631,918	1,087,643	1,024,413
Cost of revenue (excluding items shown separately below):
Total cost of revenue	443,626	429,569	769,545	754,497
Product
Revenue:
Total revenue	595,714	542,939	967,886	898,608
Cost of revenue (excluding items shown separately below):
Total cost of revenue	377,634	360,356	673,515	650,701
Product | Summit Materials, LLC
Revenue:
Total revenue	595,714	542,939	967,886	898,608
Cost of revenue (excluding items shown separately below):
Total cost of revenue	377,634	360,356	673,515	650,701
Service
Revenue:
Total revenue	84,659	88,979	119,757	125,805
Cost of revenue (excluding items shown separately below):
Total cost of revenue	65,992	69,213	96,030	103,796
Service | Summit Materials, LLC
Revenue:
Total revenue	84,659	88,979	119,757	125,805
Cost of revenue (excluding items shown separately below):
Total cost of revenue	65,992	69,213	96,030	103,796
Delivery and subcontract revenue
Revenue:
Total revenue	48,777	54,636	76,895	83,088
Cost of revenue (excluding items shown separately below):
Total cost of revenue	48,777	54,636	76,895	83,088
Delivery and subcontract revenue | Summit Materials, LLC
Revenue:
Total revenue	48,777	54,636	76,895	83,088
Cost of revenue (excluding items shown separately below):
Total cost of revenue	$ 48,777	$ 54,636	$ 76,895	$ 83,088

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Unaudited Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022	Jul. 01, 2023	Jul. 02, 2022
Comprehensive income (loss)
Net income	$ 84,728	$ 192,766	$ 53,516	$ 157,966
Other comprehensive income (loss):
Foreign currency translation adjustment	3,902	(5,610)	4,105	(3,866)
Less tax effect of other comprehensive (loss) income items	(779)	1,353	(818)	934
Other comprehensive income (loss)	3,123	(4,257)	3,287	(2,932)
Comprehensive income	87,851	188,509	56,803	155,034
Less comprehensive income attributable to Summit Holdings	1,133	2,592	728	2,103
Comprehensive income attributable to Summit Inc.	$ 86,718	$ 185,917	$ 56,075	$ 152,931

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Unaudited Consolidated Statements of Comprehensive Income - Summit Materials LLC - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022	Jul. 01, 2023	Jul. 02, 2022
Net income	$ 84,728	$ 192,766	$ 53,516	$ 157,966
Other comprehensive income (loss):
Foreign currency translation adjustment	3,902	(5,610)	4,105	(3,866)
Comprehensive income attributable to Summit Inc.	86,718	185,917	56,075	152,931
Summit Materials, LLC
Net income	100,090	242,101	62,879	195,714
Other comprehensive income (loss):
Foreign currency translation adjustment	3,902	(5,610)	4,105	(3,866)
Comprehensive income attributable to Summit Inc.	$ 103,992	$ 236,491	$ 66,984	$ 191,848

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Unaudited Consolidated Statements of Cash Flows - Summit Materials Inc - USD ($) $ in Thousands	6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022
Cash flows from operating activities:
Net income	$ 53,516	$ 157,966
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion, amortization and accretion	110,659	107,511
Share-based compensation expense	9,924	10,156
Net gain on asset and business disposals	(3,655)	(174,902)
Non-cash loss on debt financings	161	0
Change in deferred tax asset, net	9,350	44,160
Other	(21)	(357)
Decrease (increase) in operating assets, net of acquisitions and dispositions:
Accounts receivable, net	(101,119)	(57,797)
Inventories	(27,115)	(58,092)
Costs and estimated earnings in excess of billings	(28,760)	(36,165)
Other current assets	(1,070)	(2,130)
Other assets	1,732	(593)
(Decrease) increase in operating liabilities, net of acquisitions and dispositions:
Accounts payable	52,157	39,602
Accrued expenses	19,048	(11,108)
Billings in excess of costs and estimated earnings	1,299	(737)
Tax receivable agreement liability	(531)	954
Other liabilities	(1,533)	(2,214)
Net cash provided by operating activities	94,042	16,254
Cash flows from investing activities:
Acquisitions, net of cash acquired	(237,666)	(1,933)
Purchases of property, plant and equipment	(126,893)	(129,580)
Proceeds from the sale of property, plant and equipment	5,760	5,427
Proceeds from sale of businesses	0	341,741
Other	(1,852)	(1,098)
Net cash (used in) provided by investing activities	(360,651)	214,557
Cash flows from financing activities:
Debt issuance costs	(1,566)	0
Payments on debt	(6,720)	(86,821)
Payments on acquisition-related liabilities	(11,539)	(11,577)
Distributions from partnership	0	(25)
Repurchases of common stock	0	(47,509)
Proceeds from stock option exercises	84	123
Other	(4,838)	(187)
Net cash used in financing activities	(24,579)	(145,996)
Impact of foreign currency on cash	747	(461)
Net (decrease) increase in cash	(290,441)	84,354
Cash and cash equivalents – beginning of period	520,451	380,961
Cash and cash equivalents – end of period	$ 230,010	$ 465,315

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Unaudited Consolidated Statements of Cash Flows - Summit Materials LLC - USD ($) $ in Thousands	6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022
Cash flows from operating activities:
Net income	$ 53,516	$ 157,966
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion, amortization and accretion	110,659	107,511
Share-based compensation expense	9,924	10,156
Net gain on asset and business disposals	(3,655)	(174,902)
Non-cash loss on debt financings	161	0
Change in deferred tax asset, net	9,350	44,160
Other	(21)	(357)
Decrease (increase) in operating assets, net of acquisitions and dispositions:
Accounts receivable, net	(101,119)	(57,797)
Inventories	(27,115)	(58,092)
Costs and estimated earnings in excess of billings	(28,760)	(36,165)
Other current assets	(1,070)	(2,130)
Other assets	1,732	(593)
(Decrease) increase in operating liabilities, net of acquisitions and dispositions:
Accounts payable	52,157	39,602
Accrued expenses	19,048	(11,108)
Billings in excess of costs and estimated earnings	1,299	(737)
Other liabilities	(1,533)	(2,214)
Net cash provided by operating activities	94,042	16,254
Cash flows from investing activities:
Acquisitions, net of cash acquired	(237,666)	(1,933)
Purchases of property, plant and equipment	(126,893)	(129,580)
Proceeds from the sale of property, plant and equipment	5,760	5,427
Proceeds from sale of businesses	0	341,741
Other	(1,852)	(1,098)
Net cash (used in) provided by investing activities	(360,651)	214,557
Cash flows from financing activities:
Debt issuance costs	(1,566)	0
Payments on debt	(6,720)	(86,821)
Payments on acquisition-related liabilities	(11,539)	(11,577)
Distributions	0	(25)
Other	(4,838)	(187)
Net cash used in financing activities	(24,579)	(145,996)
Impact of foreign currency on cash	747	(461)
Net (decrease) increase in cash	(290,441)	84,354
Cash and cash equivalents – beginning of period	520,451	380,961
Cash and cash equivalents – end of period	230,010	465,315
Summit Materials, LLC
Cash flows from operating activities:
Net income	62,879	195,714
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion, amortization and accretion	110,659	107,511
Share-based compensation expense	9,924	10,156
Net gain on asset and business disposals	(3,655)	(174,902)
Non-cash loss on debt financings	161	0
Change in deferred tax asset, net	0	7,366
Other	(21)	(357)
Decrease (increase) in operating assets, net of acquisitions and dispositions:
Accounts receivable, net	(101,119)	(57,797)
Inventories	(27,115)	(58,092)
Costs and estimated earnings in excess of billings	(28,760)	(36,165)
Other current assets	(1,070)	(2,130)
Other assets	1,732	(593)
(Decrease) increase in operating liabilities, net of acquisitions and dispositions:
Accounts payable	51,613	39,602
Accrued expenses	19,048	(11,108)
Billings in excess of costs and estimated earnings	1,299	(737)
Other liabilities	(1,533)	(2,214)
Net cash provided by operating activities	94,042	16,254
Cash flows from investing activities:
Acquisitions, net of cash acquired	(237,666)	(1,933)
Purchases of property, plant and equipment	(126,893)	(129,580)
Proceeds from the sale of property, plant and equipment	5,760	5,427
Proceeds from sale of businesses	0	341,741
Other	(1,852)	(1,098)
Net cash (used in) provided by investing activities	(360,651)	214,557
Cash flows from financing activities:
Capital (distributions to) contributions by member	84	(47,386)
Debt issuance costs	(1,566)	0
Payments on debt	(6,720)	(86,821)
Payments on acquisition-related liabilities	(11,539)	(11,577)
Distributions	0	(25)
Other	(4,838)	(187)
Net cash used in financing activities	(24,579)	(145,996)
Impact of foreign currency on cash	747	(461)
Net (decrease) increase in cash	(290,441)	84,354
Cash and cash equivalents – beginning of period	520,451	380,961
Cash and cash equivalents – end of period	$ 230,010	$ 465,315

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Unaudited Consolidated Statements of Changes in Stockholders’ Equity - Summit Materials Inc - USD ($) $ in Thousands	Total	Common Class A	Common Class B	Accumulated Earnings	Accumulated Other Comprehensive Income	Common Stock Common Class A	Common Stock Common Class B	Additional Paid-in Capital	Noncontrolling Interest
Beginning balance at Jan. 01, 2022	$ 1,823,212			$ 478,956	$ 7,083	$ 1,188	$ 0	$ 1,326,340	$ 9,645
Beginning balance (in shares) at Jan. 01, 2022		120,684,322				118,705,108	99
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(34,800)			(34,292)					(508)
Other comprehensive income, net of tax	1,325				1,306				19
Stock option exercises (in shares)						1,589
Stock option exercises	27					$ 0		27
Share-based compensation	5,422							5,422
Shares redeemed to settle taxes and other (in shares)						842,029
Shares redeemed to settle taxes and other	(1,180)					$ 8		(1,120)	(68)
Ending balance at Apr. 02, 2022	1,746,497			397,170	8,389	$ 1,181	$ 0	1,330,548	9,209
Ending balance (in shares) at Apr. 02, 2022						118,041,848	99
Beginning balance at Jan. 01, 2022	1,823,212			478,956	7,083	$ 1,188	$ 0	1,326,340	9,645
Beginning balance (in shares) at Jan. 01, 2022		120,684,322				118,705,108	99
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	157,966
Other comprehensive income, net of tax	(2,932)
Stock option exercises (in shares)		6,518
Repurchases of common stock	(47,509)			(47,494)		$ (15)		(121)	(121)
Repurchases of common stock, (in shares)		(1,506,878)				(1,506,878)
Shares redeemed to settle taxes and other (in shares)		909,864
Ending balance at Jul. 02, 2022	1,940,802			587,283	4,193	$ 1,182	$ 0	1,336,375	11,769
Ending balance (in shares) at Jul. 02, 2022		120,093,826				118,114,612	99
Beginning balance at Apr. 02, 2022	1,746,497			397,170	8,389	$ 1,181	$ 0	1,330,548	9,209
Beginning balance (in shares) at Apr. 02, 2022						118,041,848	99
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	192,766			190,113					2,653
Other comprehensive income, net of tax	(4,257)				(4,196)				(61)
Stock option exercises (in shares)						4,929
Stock option exercises	96					$ 0		96
Share-based compensation	4,734							4,734
Distributions from partnership	(25)								(25)
Shares redeemed to settle taxes and other (in shares)						67,835
Shares redeemed to settle taxes and other	991					$ 1		997	(7)
Ending balance at Jul. 02, 2022	1,940,802			587,283	4,193	$ 1,182	$ 0	1,336,375	11,769
Ending balance (in shares) at Jul. 02, 2022		120,093,826				118,114,612	99
Beginning balance at Dec. 31, 2022	2,011,990			590,895	3,084	$ 1,185	$ 0	1,404,122	12,704
Beginning balance (in shares) at Dec. 31, 2022		118,408,655	99			118,408,655	99
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(31,212)			(30,804)					(408)
LP Unit exchanges (in shares)						2,000
LP Unit exchanges	0					$ 0		21	(21)
Other comprehensive income, net of tax	164				161				3
Stock option exercises (in shares)						902
Stock option exercises	15							15
Share-based compensation	4,708							4,708
Shares redeemed to settle taxes and other (in shares)						407,114
Shares redeemed to settle taxes and other	(5,719)					$ 4		(5,680)	(43)
Ending balance at Apr. 01, 2023	1,979,946			560,091	3,245	$ 1,189	$ 0	1,403,186	12,235
Ending balance (in shares) at Apr. 01, 2023						118,818,671	99
Beginning balance at Dec. 31, 2022	2,011,990			590,895	3,084	$ 1,185	$ 0	1,404,122	12,704
Beginning balance (in shares) at Dec. 31, 2022		118,408,655	99			118,408,655	99
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	53,516
LP Unit exchanges (in shares)		2,000
Other comprehensive income, net of tax	3,287
Stock option exercises (in shares)		4,240
Shares redeemed to settle taxes and other (in shares)		471,379
Ending balance at Jul. 01, 2023	2,073,964			643,728	6,326	$ 1,190	$ 0	1,409,364	13,356
Ending balance (in shares) at Jul. 01, 2023		118,886,274	99			118,886,274	99
Beginning balance at Apr. 01, 2023	1,979,946			560,091	3,245	$ 1,189	$ 0	1,403,186	12,235
Beginning balance (in shares) at Apr. 01, 2023						118,818,671	99
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	84,728			83,637					1,091
Other comprehensive income, net of tax	3,123				3,081				42
Stock option exercises (in shares)						3,338
Stock option exercises	69							69
Share-based compensation	5,216							5,216
Shares redeemed to settle taxes and other (in shares)						64,265
Shares redeemed to settle taxes and other	882					$ 1		893	(12)
Ending balance at Jul. 01, 2023	$ 2,073,964			$ 643,728	$ 6,326	$ 1,190	$ 0	$ 1,409,364	$ 13,356
Ending balance (in shares) at Jul. 01, 2023		118,886,274	99			118,886,274	99

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Unaudited Consolidated Statements of Changes in Members' Interest - Summit Materials LLC - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jul. 01, 2023	Apr. 01, 2023	Jul. 02, 2022	Apr. 02, 2022	Jul. 01, 2023	Jul. 02, 2022
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 84,728	$ (31,212)	$ 192,766	$ (34,800)	$ 53,516	$ 157,966
Other comprehensive (loss) income	3,123	164	(4,257)	1,325	3,287	(2,932)
Share-based compensation	5,216	4,708	4,734	5,422
Shares redeemed to settle taxes and other	882	(5,719)	991	(1,180)
Summit Materials, LLC
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	2,105,146	2,143,150	1,797,061	1,884,944	2,143,150	1,884,944
Net contributed capital	69	15	96	(47,482)
Net income	100,090	(37,211)	242,101	(46,387)	62,879	195,714
Other comprehensive (loss) income	3,902	203	(5,610)	1,744
Distributions			(25)
Share-based compensation	5,216	4,708	4,734	5,422
Shares redeemed to settle taxes and other	881	(5,719)	991	(1,180)
Ending balance	2,215,304	2,105,146	2,039,348	1,797,061	2,215,304	2,039,348
Members' equity | Summit Materials, LLC
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	1,424,282	1,425,278	1,464,619	1,507,859	1,425,278	1,507,859
Net contributed capital	69	15	96	(47,482)
Distributions			(25)
Share-based compensation	5,216	4,708	4,734	5,422
Shares redeemed to settle taxes and other	881	(5,719)	991	(1,180)
Ending balance	1,430,448	1,424,282	1,470,415	1,464,619	1,430,448	1,470,415
Accumulated earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	83,637	(30,804)	190,113	(34,292)
Accumulated earnings | Summit Materials, LLC
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	702,037	739,248	346,724	393,111	739,248	393,111
Net income	100,090	(37,211)	242,101	(46,387)
Ending balance	802,127	702,037	588,825	346,724	802,127	588,825
Accumulated other comprehensive loss
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Other comprehensive (loss) income	3,081	161	(4,196)	1,306
Accumulated other comprehensive loss | Summit Materials, LLC
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(21,173)	(21,376)	(14,282)	(16,026)	(21,376)	(16,026)
Other comprehensive (loss) income	3,902	203	(5,610)	1,744
Ending balance	$ (17,271)	$ (21,173)	$ (19,892)	$ (14,282)	$ (17,271)	$ (19,892)

XML

Consolidated Balance Sheets - Summit Materials LLC (Parenthetical) - USD ($) $ in Thousands	Jul. 01, 2023	Dec. 31, 2022
Accumulated depreciation, depletion and amortization	$ 1,352,008	$ 1,267,557
Accumulated amortization	17,321	15,503
Summit Materials, LLC
Accumulated depreciation, depletion and amortization	1,352,008	1,267,557
Accumulated amortization	$ 17,321	$ 15,503

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SUMMARY OF ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES

6 Months Ended

Jul. 01, 2023

Summary Of Significant Accounting Policies And Recent Accounting Pronouncements [Line Items]

SUMMARY OF ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES

SUMMARY OF ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES

Summit Materials, Inc. (“Summit Inc.” and, together with its subsidiaries, “Summit,” “we,” “us,” “our” or the “Company”) is a vertically-integrated construction materials company. The Company is engaged in the production and sale of aggregates, cement, ready-mix concrete, asphalt paving mix and concrete products and owns and operates quarries, sand and gravel pits, two cement plants, cement distribution terminals, ready-mix concrete plants, asphalt plants and landfill sites. It is also engaged in paving and related services. The Company’s three operating and reporting segments are the West, East and Cement segments.

Substantially all of the Company’s construction materials, products and services are produced, consumed and performed outdoors, primarily in the spring, summer and fall. Seasonal changes and other weather-related conditions can affect the production and sales volumes of its products and delivery of services. Therefore, the financial results for any interim period are typically not indicative of the results expected for the full year. Furthermore, the Company’s sales and earnings are sensitive to national, regional and local economic conditions, weather conditions and to cyclical changes in construction spending, among other factors.

Summit Inc. is a holding corporation operating and controlling all of the business and affairs of Summit Materials Holdings L.P. (“Summit Holdings”) and its subsidiaries, and through Summit Holdings conducts its business. Summit Inc. owns the majority of the partnership interests of Summit Holdings (see Note 9, Stockholders’ Equity). Summit Materials, LLC (“Summit LLC”), an indirect wholly owned subsidiary of Summit Holdings, conducts the majority of our operations. Summit Materials Finance Corp. (“Summit Finance”), an indirect wholly owned subsidiary of Summit LLC, has jointly issued our Senior Notes as described below.

Basis of Presentation—These unaudited consolidated financial statements were prepared in accordance with U.S. generally accepted accounting principles (“U.S. GAAP”) for interim financial information, without audit, pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”). Certain information and footnote disclosures typically included in financial statements prepared in accordance with U.S. GAAP have been condensed or omitted pursuant to such rules and regulations. These unaudited consolidated financial statements should be read in conjunction with the Company's audited consolidated financial statements and the notes thereto as of and for the year ended December 31, 2022. The Company continues to follow the accounting policies set forth in those audited consolidated financial statements.

Management believes that these consolidated interim financial statements include all adjustments, normal and recurring in nature, that are necessary to present fairly the financial position of the Company as of July 1, 2023, the results of operations for the three and six months ended July 1, 2023 and July 2, 2022 and cash flows for the six months ended July 1, 2023 and July 2, 2022.

Principles of Consolidation—The consolidated financial statements include the accounts of Summit Inc. and its majority owned subsidiaries. All intercompany balances and transactions have been eliminated.

For a summary of the changes in Summit Inc.’s ownership of Summit Holdings, see Note 9, Stockholders’ Equity.

Use of Estimates—Preparation of these consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions. These estimates and the underlying assumptions affect the amounts of assets and liabilities reported, disclosures about contingent assets and liabilities and reported amounts of revenue and expenses. Such estimates include the valuation of accounts receivable, inventories, valuation of deferred tax assets, goodwill, intangibles and other long-lived assets, tax receivable agreement ("TRA") liability, pension and other postretirement obligations and asset retirement obligations. Estimates also include revenue earned on contracts and costs to complete contracts. Most of the Company’s paving and related services are performed under fixed unit-price contracts with state and local governmental entities. Management regularly evaluates its estimates and assumptions based on historical experience and other factors, including the current economic environment. As future events and their effects cannot be determined with precision, actual results can differ significantly from estimates made. Changes in estimates, including

those resulting from continuing changes in the economic environment, are reflected in the Company’s consolidated financial statements when the change in estimate occurs.

Business and Credit Concentrations—The Company’s operations are conducted primarily across 21 U.S. states and in British Columbia, Canada, with the most significant revenue generated in Texas, Utah, Kansas and Missouri. The Company’s accounts receivable consist primarily of amounts due from customers within these areas. Therefore, collection of these accounts is dependent on the economic conditions in the aforementioned states, as well as specific situations affecting individual customers. Credit granted within the Company’s trade areas has been granted to many customers, and management does not believe that a significant concentration of credit exists with respect to any individual customer or group of customers. No single customer accounted for more than 10% of the Company’s total revenue in the three and six months ended July 1, 2023 or July 2, 2022.

Revenue Recognition—We earn revenue from the sale of products, which primarily include aggregates, cement, ready-mix concrete and asphalt, but also include concrete products and plastics components, and from the provision of services, which are primarily paving and related services, but also include landfill operations, the receipt and disposal of waste that is converted to fuel for use in our cement plants.

Products: Revenue for product sales is recognized when the performance obligation is satisfied, which generally is when the product is shipped. 

Services: We earn revenue from the provision of services, which are primarily paving and related services, which are typically calculated using monthly progress based on a method similar to percentage of completion or a customer’s engineer review of progress.

The majority of our construction service contracts are completed within one year, but may occasionally extend beyond this time frame. The majority of our construction service contracts are for work that occurs mostly during the spring, summer and fall. We generally measure progress toward completion on long-term paving and related services contracts based on the proportion of costs incurred to date relative to total estimated costs at completion.

Estimating costs to be incurred for revenue recognition involves the use of various estimating techniques to project costs at completion, and in some cases includes estimates of recoveries asserted against the customer for changes in specifications or other disputes.

Earnings per Share—The Company computes basic earnings per share attributable to stockholders by dividing income attributable to Summit Inc. by the weighted-average shares of Class A common stock outstanding. Diluted earnings per share reflects the potential dilution beyond shares for basic earnings per share that could occur if securities or other contracts to issue common stock were exercised, converted into common stock, or resulted in the issuance of common stock that would have shared in the Company’s earnings. Since the Class B common stock has no economic value, those shares are not included in the weighted-average common share amount for basic or diluted earnings per share. In addition, as the shares of Class A common stock are issued by Summit Inc., the earnings and equity interests of noncontrolling interests are not included in basic earnings per share.

Summit Materials, LLC

Summary Of Significant Accounting Policies And Recent Accounting Pronouncements [Line Items]

SUMMARY OF ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES

SUMMARY OF ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES

Summit Materials, LLC (“Summit LLC” and, together with its subsidiaries, “Summit,” “we,” “us,” “our” or the “Company”) is a vertically-integrated construction materials company. The Company is engaged in the production and sale of aggregates, cement, ready-mix concrete, asphalt paving mix and concrete products and owns and operates quarries, sand and gravel pits, two cement plants, cement distribution terminals, ready-mix concrete plants, asphalt plants and landfill sites. It is also engaged in paving and related services. The Company’s three operating and reporting segments are the West, East and Cement segments.

Substantially all of the Company’s construction materials, products and services are produced, consumed and performed outdoors, primarily in the spring, summer and fall. Seasonal changes and other weather-related conditions can affect the production and sales volumes of its products and delivery of services. Therefore, the financial results for any interim period are typically not indicative of the results expected for the full year. Furthermore, the Company’s sales and earnings are sensitive to national, regional and local economic conditions, weather conditions and to cyclical changes in construction spending, among other factors.

Summit LLC is a wholly owned indirect subsidiary of Summit Materials Holdings L.P. (“Summit Holdings”), whose primary owner is Summit Materials, Inc. (“Summit Inc.”). Summit Inc. was formed as a Delaware corporation on September 23, 2014. Its sole material asset is a controlling equity interest in Summit Holdings. Pursuant to a reorganization into a holding company structure (the “Reorganization”) consummated in connection with Summit Inc.’s March 2015 initial public offering, Summit Inc. became a holding corporation operating and controlling all of the business and affairs of Summit Holdings and its subsidiaries, including Summit LLC.

Basis of Presentation—These unaudited consolidated financial statements were prepared in accordance with U.S. generally accepted accounting principles (“U.S. GAAP”) for interim financial information, without audit, pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”). Certain information and footnote disclosures typically included in financial statements prepared in accordance with U.S. GAAP have been condensed or omitted pursuant to such rules and regulations. These unaudited consolidated financial statements should be read in conjunction with the Company’s audited consolidated financial statements and the notes thereto as of and for the year ended December 31, 2022. The Company continues to follow the accounting policies set forth in those audited consolidated financial statements.

Management believes that these consolidated interim financial statements include all adjustments, normal and recurring in nature, that are necessary to present fairly the financial position of the Company as of July 1, 2023, the results of operations for the three and six months ended July 1, 2023 and July 2, 2022 and cash flows for the six months ended July 1, 2023 and July 2, 2022.

Use of Estimates—Preparation of these consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions. These estimates and the underlying assumptions affect the amounts of assets and liabilities reported, disclosures about contingent assets and liabilities and reported amounts of revenue and expenses. Such estimates include the valuation of accounts receivable, inventories, valuation of deferred tax assets, goodwill, intangibles and other long-lived assets, pension and other postretirement obligations and asset retirement obligations. Estimates also include revenue earned on contracts and costs to complete contracts. Most of the Company’s paving and related services are performed under fixed unit-price contracts with state and local governmental entities. Management regularly evaluates its estimates and assumptions based on historical experience and other factors, including the current economic environment. As future events and their effects cannot be determined with precision, actual results can differ significantly from estimates made. Changes in estimates, including those resulting from continuing changes in the economic environment, are reflected in the Company’s consolidated financial statements when the change in estimate occurs.

Business and Credit Concentrations—The Company’s operations are conducted primarily across 21 U.S. states and in British Columbia, Canada, with the most significant revenue generated in Texas, Utah, Kansas and Missouri. The Company’s accounts receivable consist primarily of amounts due from customers within these areas. Therefore, collection of these accounts is dependent on the economic conditions in the aforementioned states, as well as specific situations affecting individual customers. Credit granted within the Company’s trade areas has been granted to many customers, and management does not

believe that a significant concentration of credit exists with respect to any individual customer or group of customers. No single customer accounted for more than 10% of the Company’s total revenue in the three and six months ended July 1, 2023 or July 2, 2022.

Revenue Recognition—We earn revenue from the sale of products, which primarily include aggregates, cement, ready-mix concrete and asphalt, but also include concrete products and plastics components, and from the provision of services, which are primarily paving and related services, but also include landfill operations, the receipt and disposal of waste that is converted to fuel for use in our cement plants.

Products: Revenue for product sales is recognized when the performance obligation is satisfied, which generally is when the product is shipped.

Services: We earn revenue from the provision of services, which are primarily paving and related services, which are typically calculated using monthly progress based on a method similar to percentage of completion or a customer’s engineer review of progress.

The majority of our construction service contracts are completed within one year, but may occasionally extend beyond this time frame. The majority of our construction service contracts are for work that occurs mostly during the spring, summer and fall. We generally measure progress toward completion on long-term paving and related services contracts based on the proportion of costs incurred to date relative to total estimated costs at completion.

Estimating costs to be incurred for revenue recognition involves the use of various estimating techniques to project costs at completion, and in some cases includes estimates of recoveries asserted against the customer for changes in specifications or other disputes.

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ACQUISITIONS, DISPOSTIONS, GOODWILL AND INTANGIBLES

6 Months Ended

Jul. 01, 2023

Business Acquisition [Line Items]

ACQUISITIONS, DISPOSTIONS, GOODWILL AND INTANGIBLES

ACQUISITIONS, DISPOSITIONS, GOODWILL AND INTANGIBLES

The financial results of each acquisition have been included in the Company’s consolidated results of operations beginning on the respective closing dates of the acquisitions. The Company measures all assets acquired and liabilities assumed at their acquisition-date fair value. Goodwill acquired during a business combination has an indefinite life and is not amortized.

The following table summarizes the Company’s acquisitions by region and period:

	Six months ended	Year ended
	July 1, 2023	December 31, 2022
West	3	—
East	1	2

The purchase price allocation, primarily the valuation of property, plant and equipment for the acquisitions completed during the six months ended July 1, 2023, as well as the acquisitions completed during 2022 that occurred after July 2, 2022, have not yet been finalized due to the recent timing of the acquisitions, status of the valuation of property, plant and

equipment and finalization of related tax returns. The following table summarizes aggregated information regarding the fair values of the assets acquired and liabilities assumed as of the respective acquisition dates:

	Six months ended		Year ended
	July 1, 2023		December 31, 2022
Financial assets	$	13,104	$	297
Inventories	6,521		161
Property, plant and equipment	137,394		30,041
Other assets	458		1,116
Financial liabilities	(11,925)		(1,120)
Other long-term liabilities	(768)		(1,589)
Net assets acquired	144,784		28,906
Goodwill	94,564		—
Purchase price	239,348		28,906
Acquisition-related liabilities	—		(6,176)
Other	(1,682)		—
Net cash paid for acquisitions	$	237,666	$	22,730

Changes in the carrying amount of goodwill, by reportable segment, from December 31, 2022 to July 1, 2023 are summarized as follows:

	West		East		Cement		Total
Balance—December 31, 2022	$	566,389	$	361,501	$	204,656	$	1,132,546
Acquisitions (1)	94,564		—		—		94,564
Foreign currency translation adjustments	1,358		—		—		1,358
Balance—July 1, 2023	$	662,311	$	361,501	$	204,656	$	1,228,468

_______________________________________________________________________

(1) Reflects goodwill from 2023 acquisitions.

The Company’s intangible assets subject to amortization are primarily composed of operating permits, mineral lease agreements and reserve rights. Operating permits relate to permitting and zoning rights acquired outside of a business combination. The assets related to mineral lease agreements reflect the submarket royalty rates paid under agreements, primarily for extracting aggregates. The values were determined as of the respective acquisition dates by a comparison of market-royalty rates. The reserve rights relate to aggregate reserves to which the Company has certain rights of ownership, but does not own the reserves. The intangible assets are amortized on a straight-line basis over the lives of the leases or permits. The following table shows intangible assets by type and in total:

	July 1, 2023						December 31, 2022
	Gross  Carrying  Amount		Accumulated  Amortization		Net  Carrying  Amount		Gross  Carrying  Amount		Accumulated  Amortization		Net  Carrying  Amount
Operating permits	$	38,677	$	(4,926)	$	33,751	$	38,677	$	(4,109)	$	34,568
Mineral leases	17,778		(7,228)		10,550		18,091		(7,056)		11,035
Reserve rights	25,586		(4,608)		20,978		25,242		(3,872)		21,370
Other	4,994		(559)		4,435		4,877		(466)		4,411
Total intangible assets	$	87,035	$	(17,321)	$	69,714	$	86,887	$	(15,503)	$	71,384

Amortization expense totaled $0.9 million and $1.8 million for the three and six months ended July 1, 2023, respectively, and $0.8 million and $1.8 million for the three and six months ended July 2, 2022, respectively. The estimated amortization expense for the intangible assets for each of the five years subsequent to July 1, 2023 is as follows:

2023 (six months)	$	1,999
2024	4,006
2025	3,965
2026	3,916
2027	3,904
2028	3,906
Thereafter	48,018
Total	$	69,714

Summit Materials, LLC

Business Acquisition [Line Items]

ACQUISITIONS, DISPOSTIONS, GOODWILL AND INTANGIBLES

ACQUISITIONS, DISPOSITIONS, GOODWILL AND INTANGIBLES

The financial results of each acquisition have been included in the Company’s consolidated results of operations beginning on the respective closing dates of the acquisitions. The Company measures all assets acquired and liabilities assumed at their acquisition-date fair value. Goodwill acquired during a business combination has an indefinite life and is not amortized.

The following table summarizes the Company’s acquisitions by region and period:

	Six months ended	Year ended
	July 1, 2023	December 31, 2022
West	3	—
East	1	2

The purchase price allocation, primarily the valuation of property, plant and equipment for the acquisitions completed during the six months ended July 1, 2023, as well as the acquisitions completed during 2022 that occurred after July 2, 2022, have not yet been finalized due to the recent timing of the acquisitions, status of the valuation of property, plant and equipment and finalization of related tax returns. The following table summarizes aggregated information regarding the fair values of the assets acquired and liabilities assumed as of the respective acquisition dates:

	Six months ended		Year ended
	July 1, 2023		December 31, 2022
Financial assets	$	13,104	$	297
Inventories	6,521		161
Property, plant and equipment	137,394		30,041
Other assets	458		1,116
Financial liabilities	(11,925)		(1,120)
Other long-term liabilities	(768)		(1,589)
Net assets acquired	144,784		28,906
Goodwill	94,564		—
Purchase price	239,348		28,906
Acquisition-related liabilities	—		(6,176)
Other	(1,682)		—
Net cash paid for acquisitions	$	237,666	$	22,730

Changes in the carrying amount of goodwill, by reportable segment, from December 31, 2022 to July 1, 2023 are summarized as follows:

	West		East		Cement		Total
Balance—December 31, 2022	$	567,389	$	361,501	$	204,656	$	1,133,546
Acquisitions (1)	94,564		—		—		94,564
Foreign currency translation adjustments	1,358		—		—		1,358
Balance—July 1, 2023	$	663,311	$	361,501	$	204,656	$	1,229,468

_______________________________________________________________________

(1) Reflects goodwill from 2023 acquisitions.

The Company’s intangible assets subject to amortization are primarily composed of operating permits, mineral lease agreements and reserve rights. Operating permits relate to permitting and zoning rights acquired outside of a business combination. The assets related to mineral lease agreements reflect the submarket royalty rates paid under agreements, primarily for extracting aggregates. The values were determined as of the respective acquisition dates by a comparison of market-royalty rates. The reserve rights relate to aggregate reserves to which the Company has certain rights of ownership, but does not own the reserves. The intangible assets are amortized on a straight-line basis over the lives of the leases or permits. The following table shows intangible assets by type and in total:

	July 1, 2023						December 31, 2022
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Operating permits	$	38,677	$	(4,926)	$	33,751	$	38,677	$	(4,109)	$	34,568
Mineral leases	17,778		(7,228)		10,550		18,091		(7,056)		11,035
Reserve rights	25,586		(4,608)		20,978		25,242		(3,872)		21,370
Other	4,994		(559)		4,435		4,877		(466)		4,411
Total intangible assets	$	87,035	$	(17,321)	$	69,714	$	86,887	$	(15,503)	$	71,384

Amortization expense totaled $0.9 million and $1.8 million for the three and six months ended July 1, 2023, respectively, and $0.8 million and $1.8 million for the three and six months ended July 2, 2022, respectively The estimated amortization expense for the intangible assets for each of the five years subsequent to July 1, 2023 is as follows:

2023 (six months)	$	1,999
2024	4,006
2025	3,965
2026	3,916
2027	3,904
2028	3,906
Thereafter	48,018
Total	$	69,714

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REVENUE RECOGNITION

6 Months Ended

Jul. 01, 2023

Revenue from External Customer [Line Items]

REVENUE RECOGNITION

REVENUE RECOGNITION

We derive our revenue predominantly by selling construction materials, products and providing paving and related services. Construction materials consist of aggregates and cement. Products consist of related downstream products, including ready-mix concrete, asphalt paving mix and concrete products. Paving and related service revenue is generated primarily from the asphalt paving services that we provide.

Revenue by product for the three and six months ended July 1, 2023 and July 2, 2022 is as follows:

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Revenue by product*:
Aggregates	$	182,512	$	161,480	$	326,165	$	284,873
Cement	103,607		86,815		152,620		129,369
Ready-mix concrete	199,570		183,357		338,348		340,920
Asphalt	91,809		94,141		118,444		111,279
Paving and related services	89,374		98,610		116,558		129,220
Other	62,278		62,151		112,403		111,840
Total revenue	$	729,150	$	686,554	$	1,164,538	$	1,107,501

*Revenue from liquid asphalt terminals is included in asphalt revenue.

Accounts receivable, net consisted of the following as of July 1, 2023 and December 31, 2022: 

	July 1, 2023		December 31, 2022
Trade accounts receivable	$	314,590	$	215,766
Construction contract receivables	52,932		37,067
Retention receivables	10,461		11,048
Accounts receivable	377,983		263,881
Less: Allowance for doubtful accounts	(7,479)		(7,212)
Accounts receivable, net	$	370,504	$	256,669

Retention receivables are amounts earned by the Company but held by customers until paving and related service contracts and projects are near completion or fully completed. Amounts are generally billed and collected within one year.

Summit Materials, LLC

Revenue from External Customer [Line Items]

REVENUE RECOGNITION

REVENUE RECOGNITION

We derive our revenue predominantly by selling construction materials, products and providing paving and related services. Construction materials consist of aggregates and cement. Products consist of related downstream products, including ready-mix concrete, asphalt paving mix and concrete products. Paving and related service revenue is generated primarily from the asphalt paving services that we provide.

Revenue by product for the three and six months ended July 1, 2023 and July 2, 2022 is as follows:

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Revenue by product*:
Aggregates	$	182,512	$	161,480	$	326,165	$	284,873
Cement	103,607		86,815		152,620		129,369
Ready-mix concrete	199,570		183,357		338,348		340,920
Asphalt	91,809		94,141		118,444		111,279
Paving and related services	89,374		98,610		116,558		129,220
Other	62,278		62,151		112,403		111,840
Total revenue	$	729,150	$	686,554	$	1,164,538	$	1,107,501

*Revenue from liquid asphalt terminals is included in asphalt revenue.

Accounts receivable, net consisted of the following as of July 1, 2023 and December 31, 2022:

	July 1, 2023		December 31, 2022
Trade accounts receivable	$	314,590	$	215,766
Construction contract receivables	52,932		37,067
Retention receivables	10,461		11,048
Accounts receivable	377,983		263,881
Less: Allowance for doubtful accounts	(7,479)		(7,212)
Accounts receivable, net	$	370,504	$	256,669

Retention receivables are amounts earned by the Company but held by customers until paving and related service contracts and projects are near completion or fully completed. Amounts are generally billed and collected within one year.

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INVENTORIES

6 Months Ended

Jul. 01, 2023

Inventory [Line Items]

INVENTORIES

INVENTORIES

Inventories consisted of the following as of July 1, 2023 and December 31, 2022: 

	July 1, 2023		December 31, 2022
Aggregate stockpiles	$	157,272	$	148,347
Finished goods	55,877		33,622
Work in process	9,806		8,191
Raw materials	23,320		22,331
Total	$	246,275	$	212,491

Summit Materials, LLC

Inventory [Line Items]

INVENTORIES

INVENTORIES

Inventories consisted of the following as of July 1, 2023 and December 31, 2022:

	July 1, 2023		December 31, 2022
Aggregate stockpiles	$	157,272	$	148,347
Finished goods	55,877		33,622
Work in process	9,806		8,191
Raw materials	23,320		22,331
Total	$	246,275	$	212,491

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ACCRUED EXPENSES

6 Months Ended

Jul. 01, 2023

Schedule Of Accrued Expenses [Line Items]

ACCRUED EXPENSES

ACCRUED EXPENSES

Accrued expenses consisted of the following as of July 1, 2023 and December 31, 2022:

	July 1, 2023		December 31, 2022
Interest	$	36,037	$	24,625
Payroll and benefits	40,602		34,485
Finance lease obligations	3,499		6,959
Insurance	21,314		18,127
Current portion of TRA liability and non-income taxes	13,976		4,360
Deferred asset purchase payments	5,824		5,131
Professional fees	1,755		924
Other (1)	25,653		25,356
Total	$	148,660	$	119,967

(1)Consists primarily of current portion of asset retirement obligations and miscellaneous accruals.

Summit Materials, LLC

Schedule Of Accrued Expenses [Line Items]

ACCRUED EXPENSES

ACCRUED EXPENSES

Accrued expenses consisted of the following as of July 1, 2023 and December 31, 2022:

	July 1, 2023		December 31, 2022
Interest	$	36,037	$	24,625
Payroll and benefits	40,602		34,485
Finance lease obligations	3,499		6,959
Insurance	21,314		18,127
Non-income taxes	10,061		5,101
Deferred asset purchase payments	5,824		5,131
Professional fees	1,755		924
Other (1)	25,653		25,356
Total	$	144,745	$	120,708

_______________________________________________________________________

(1) Consists primarily of current portion of asset retirement obligations and miscellaneous accruals.

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DEBT

6 Months Ended

Jul. 01, 2023

Debt Instrument [Line Items]

DEBT

DEBT

Debt consisted of the following as of July 1, 2023 and December 31, 2022: 

	July 1, 2023		December 31, 2022
Term Loan, due 2027:
$507.0 million and $509.6 million, net of $4.5 million and $5.0 million discount at July 1, 2023 and December 31, 2022, respectively	$	502,511	$	504,549
61⁄2% Senior Notes, due 2027	300,000		300,000
51⁄4% Senior Notes, due 2029	700,000		700,000
Total	1,502,511		1,504,549
Current portion of long-term debt	5,096		5,096
Long-term debt	$	1,497,415	$	1,499,453

The contractual payments of long-term debt, including current maturities, for the five years subsequent to July 1, 2023, are as follows:

2023 (six months)	$	2,548
2024	3,822
2025	6,369
2026	5,096
2027	789,177
2028	—
Thereafter	700,000
Total	1,507,012
Less: Original issue net discount	(4,501)
Less: Capitalized loan costs	(10,126)
Total debt	$	1,492,385

Senior Notes— On August 11, 2020, Summit LLC and Summit Finance (together, the “Issuers”) issued $700.0 million in aggregate principal amount of 5.250% senior notes due January 15, 2029 (the “2029 Notes”). The 2029 Notes were issued at 100.0% of their par value with proceeds of $690.4 million, net of related fees and expenses. The 2029 Notes were issued under an indenture dated August 11, 2020 (the "2029 Notes Indenture"). The 2029 Notes Indenture contains covenants limiting, among other things, Summit LLC and its restricted subsidiaries’ ability to incur additional indebtedness or issue certain preferred shares, pay dividends, redeem stock or make other distributions, make certain investments, sell or transfer certain assets, create liens, consolidate, merge, sell or otherwise dispose of all or substantially all of its assets, enter into certain transactions with affiliates, and designate subsidiaries as unrestricted subsidiaries. The 2029 Notes Indenture also contains customary events of default. Interest on the 2029 Notes is payable semi-annually on January 15 and July 15 of each year commencing on January 15, 2021.

On March 15, 2019, the Issuers issued $300.0 million in aggregate principal amount of 6.500% senior notes due March 15, 2027 (the “2027 Notes”). The 2027 Notes were issued at 100.0% of their par value with proceeds of $296.3 million, net of related fees and expenses. The 2027 Notes were issued under an indenture dated March 25, 2019, the terms of which are generally consistent with the 2029 Notes Indenture. Interest on the 2027 Notes is payable semi-annually on March 15 and September 15 of each year commencing on September 15, 2019.

As of July 1, 2023 and December 31, 2022, the Company was in compliance with all covenants under the applicable indentures.

Senior Secured Credit Facilities— Summit LLC has credit facilities that provide for term loans in an aggregate amount of $507.0 million and revolving credit commitments in an aggregate amount of $395.0 million (the “Senior Secured Credit Facilities”). Under the Senior Secured Credit Facilities, required principal repayments of 0.25% of the refinanced aggregate amount of term debt are due on the last business day of each March, June, September and December commencing with the March 2023 payment. The interest rate on the term loan is a variable rate, it was 8.49% as of July 1, 2023. In 2022, the Company repaid $95.6 million of its term loan under provisions related to divestitures of businesses.

On December 14, 2022, Summit Materials, LLC entered into Amendment No. 5 to the credit agreement governing the Senior Secured Credit Facilities (the “Credit Agreement”), which among other things, (a) refinanced the existing $509.6 million of existing term loans with new term loans under the Term Loan Facility bearing interest, at Summit LLC’s option, based on either the base rate or Term Secured Overnight Financing Rate ("SOFR") rate and an applicable margin of (i) 2.00% per annum with respect to base rate borrowings and a floor of 1.00% per annum or (ii) 3.00% per annum with respect to Term SOFR borrowings, with a SOFR adjustment of 0.10% per annum and a floor of zero, and (b) extended the maturity date to December 14, 2027.

On January 10, 2023, Summit Materials, LLC entered into Amendment No. 6 to the Credit Agreement, which among other things, increased the maximum amount available to $395.0 million and extended the maturity date to January 10, 2028. The revolving credit agreement bears interest per annum equal to a Term SOFR Rate with a SOFR adjustment of 0.10% per annum and a floor of zero.

There were no outstanding borrowings under the revolving credit facility as of July 1, 2023 and December 31, 2022, with borrowing capacity of $374.1 million remaining as of July 1, 2023, which is net of $20.9 million of outstanding letters of credit. The outstanding letters of credit are renewed annually and support required bonding on construction projects, large leases, workers compensation claims and the Company’s insurance liabilities.

Summit LLC’s Consolidated First Lien Net Leverage Ratio, as such term is defined in the Credit Agreement, should be no greater than 4.75:1.0 as of each quarter-end. As of July 1, 2023 and December 31, 2022, Summit LLC was in compliance with all financial covenants.

Summit LLC’s wholly-owned domestic subsidiary companies, subject to certain exclusions and exceptions, are named as subsidiary guarantors of the Senior Notes and the Senior Secured Credit Facilities. In addition, Summit LLC has pledged substantially all of its assets as collateral, subject to certain exclusions and exceptions, for the Senior Secured Credit Facilities.

The following table presents the activity for the deferred financing fees for the six months ended July 1, 2023 and July 2, 2022:

	Deferred financing fees
Balance—December 31, 2022	$	11,489
Loan origination fees	1,566
Amortization	(1,227)
Write off of deferred financing fees	(160)
Balance—July 1, 2023	$	11,668
Balance—January 1, 2022	$	13,049
Amortization	(1,384)
Balance—July 2, 2022	$	11,665

Other—On January 15, 2015, the Company’s wholly-owned subsidiary in British Columbia, Canada entered into an agreement with HSBC Bank Canada, which was amended on November 30, 2020, for a (i) $6.0 million Canadian dollar (“CAD”) revolving credit commitment to be used for operating activities that bears interest per annum equal to the bank’s prime rate plus 0.20%, (ii) $0.5 million CAD revolving credit commitment to be used for capital equipment that bears interest per annum at the bank’s prime rate plus 0.20% and (iii) $1.5 million CAD revolving credit commitment to provide guarantees on behalf of that subsidiary and (iv) $10.0 million CAD revolving foreign exchange facility available to purchase foreign exchange forward contracts. There were no amounts outstanding under this agreement as of July 1, 2023 or December 31, 2022, which may be terminated upon demand.

Summit Materials, LLC

Debt Instrument [Line Items]

DEBT

DEBT

Debt consisted of the following as of July 1, 2023 and December 31, 2022:

	July 1, 2023		December 31, 2022
Term Loan, due 2027:
$507.0 million and $509.6 million, net of $4.5 million and $5.0 million discount at July 1, 2023 and December 31, 2022, respectively	$	502,511	$	504,549
6 1/2% Senior Notes, due 2027	300,000		300,000
5 1/4% Senior Notes, due 2029	700,000		700,000
Total	1,502,511		1,504,549
Current portion of long-term debt	5,096		5,096
Long-term debt	$	1,497,415	$	1,499,453

The contractual payments of long-term debt, including current maturities, for the five years subsequent to July 1, 2023, are as follows:

2023 (six months)	$	2,548
2024	3,822
2025	6,369
2026	5,096
2027	789,177
2028	—
Thereafter	700,000
Total	1,507,012
Less: Original issue net discount	(4,501)
Less: Capitalized loan costs	(10,126)
Total debt	$	1,492,385

Senior Notes—On August 11, 2020, Summit LLC and Summit Finance (together, the “Issuers”) issued $700.0 million in aggregate principal amount of 5.250% senior notes due January 15, 2029 (the “2029 Notes”). The 2029 Notes were issued at 100.0% of their par value with proceeds of $690.4 million, net of related fees and expenses. The 2029 Notes were issued under an indenture dated August 11, 2020 (the "2029 Notes Indenture"). The 2029 Notes Indenture contains covenants limiting, among other things, Summit LLC and its restricted subsidiaries’ ability to incur additional indebtedness or issue certain preferred shares, pay dividends, redeem stock or make other distributions, make certain investments, sell or transfer certain assets, create liens, consolidate, merge, sell or otherwise dispose of all or substantially all of its assets, enter into certain transactions with affiliates, and designate subsidiaries as unrestricted subsidiaries. The 2029 Notes Indenture also contains customary events of default. Interest on the 2029 Notes is payable semi-annually on January 15 and July 15 of each year commencing on January 15, 2021.

On March 15, 2019, the Issuers issued $300.0 million in aggregate principal amount of 6.500% senior notes due March 15, 2027 (the “2027 Notes”). The 2027 Notes were issued at 100.0% of their par value with proceeds of $296.3 million, net of related fees and expenses. The 2027 Notes were issued under an indenture dated March 25, 2019, the terms of which are generally consistent with the 2029 Notes Indenture. Interest on the 2027 Notes is payable semi-annually on March 15 and September 15 of each year commencing on September 15, 2019.

As of July 1, 2023 and December 31, 2022, the Company was in compliance with all covenants under the applicable indentures.

Senior Secured Credit Facilities— Summit LLC has credit facilities that provide for term loans in an aggregate amount of $507.0 million and revolving credit commitments in an aggregate amount of $395.0 million (the “Senior Secured Credit Facilities”). Under the Senior Secured Credit Facilities, required principal repayments of 0.25% of the refinanced aggregate amount of term debt are due on the last business day of each March, June, September and December commencing with the March 2023 payment. The interest rate on the term loan is a variable rate, it was 8.49% as of July 1, 2023. In 2022, the Company repaid $95.6 million of its term loan under provisions related to divestitures of businesses.

On December 14, 2022, Summit Materials, LLC entered into Amendment No. 5 to the credit agreement governing the Senior Secured Credit Facilities (the “Credit Agreement”), which among other things, (a) refinanced the existing $509.6 million of existing term loans with new term loans under the Term Loan Facility bearing interest, at Summit LLC’s option, based on either the base rate or Term Secured Overnight Financing Rate (“SOFR”) rate and an applicable margin of (i) 2.00% per annum with respect to base rate borrowings and a floor of 1.00% per annum or (ii) 3.00% per annum with respect to Term SOFR borrowings, with a SOFR adjustment of 0.10% per annum and a floor of zero, and (b) extended the maturity date to December 14, 2027.

On January 10, 2023, Summit Materials, LLC entered into Amendment No. 6 to the Credit Agreement, which among other things, increased the maximum amount available to $395.0 million and extended the maturity date to January 10, 2028. The revolving credit agreement bears interest per annum equal to a Term SOFR Rate with a SOFR adjustment of 0.10% per annum and a floor of zero.

There were no outstanding borrowings under the revolving credit facility as of July 1, 2023 and December 31, 2022, with borrowing capacity of $374.1 million remaining as of July 1, 2023, which is net of $20.9 million of outstanding letters of credit. The outstanding letters of credit are renewed annually and support required bonding on construction projects, large leases, workers compensation claims and the Company’s insurance liabilities.

Summit LLC’s Consolidated First Lien Net Leverage Ratio, as such term is defined in the Credit Agreement, should be no greater than 4.75:1.0 as of each quarter-end. As of July 1, 2023 and December 31, 2022, Summit LLC was in compliance with all financial covenants.

Summit LLC’s wholly-owned domestic subsidiary companies, subject to certain exclusions and exceptions, are named as subsidiary guarantors of the Senior Notes and the Senior Secured Credit Facilities. In addition, Summit LLC has pledged substantially all of its assets as collateral, subject to certain exclusions and exceptions, for the Senior Secured Credit Facilities.

The following table presents the activity for the deferred financing fees for the six months ended July 1, 2023 and July 2, 2022:

	Deferred financing fees
Balance—December 31, 2022	$	11,489
Loan origination fees	1,566
Amortization	(1,227)
Write off of deferred financing fees	(160)
Balance—July 1, 2023	$	11,668
Balance - January 1, 2022	$	13,049
Amortization	(1,384)
Balance -July 2, 2022	$	11,665

Other—On January 15, 2015, the Company’s wholly-owned subsidiary in British Columbia, Canada entered into an agreement with HSBC Bank Canada, which was amended on November 30, 2020, for a (i) $6.0 million Canadian dollar (“CAD”) revolving credit commitment to be used for operating activities that bears interest per annum equal to the bank’s prime rate plus 0.20%, (ii) $0.5 million CAD revolving credit commitment to be used for capital equipment that bears interest per annum at the bank’s prime rate plus 0.20% and (iii) $1.5 million CAD revolving credit commitment to provide guarantees on behalf of that subsidiary and (iv) $10.0 million CAD revolving foreign exchange facility available to purchase foreign exchange forward contracts. There were no amounts outstanding under this agreement as of July 1, 2023 or December 31, 2022, which may be terminated upon demand.

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INCOME TAXES

6 Months Ended

Jul. 01, 2023

Income Taxes [Line Items]

INCOME TAXES

INCOME TAXES

Summit Inc.’s tax provision includes its proportional share of Summit Holdings’ tax attributes. Summit Holdings’ subsidiaries are primarily limited liability companies but do include certain entities organized as C corporations and a Canadian subsidiary. The tax attributes related to the limited liability companies are passed on to Summit Holdings and then to its partners, including Summit Inc. The tax attributes associated with the C corporation and Canadian subsidiaries are fully reflected in the Company’s accounts.

Our income tax expense was $22.5 million and $16.0 million in the three and six months ended July 1, 2023, respectively, and our income tax expense was $53.9 million and $49.2 million in the three and six months ended July 2, 2022, respectively. The effective tax rate for Summit Inc. differs from the federal statutory tax rate primarily due to (1) tax depletion expense in excess of the expense recorded under U.S. GAAP, (2) basis differences in assets divested, (3) state taxes, (4) the minority interest in the Summit Holdings partnership that is allocated outside of the Company and (5) various other items such as limitations on meals and entertainment, certain stock compensation and other costs.

As of July 1, 2023 and December 31, 2022, Summit Inc. had a valuation allowance of $1.1 million in both periods, which relates to certain deferred tax assets in taxable entities where realization is not more likely than not.

No material interest or penalties were recognized in income tax expense during the three and six months ended July 1, 2023 and July 2, 2022.

Tax Receivable Agreement—The Company is party to a TRA with certain current and former holders of LP Units that provides for the payment by Summit Inc. to exchanging holders of LP Units of 85% of the benefits, if any, that Summit Inc. actually realizes (or, under certain circumstances such as an early termination of the TRA, is deemed to realize) as a result of increases in the tax basis of tangible and intangible assets of Summit Holdings and certain other tax benefits related to entering into the TRA, including tax benefits attributable to payments under the TRA.

In the six months ended July 1, 2023, 2,000 LP Units were acquired by Summit Inc. in exchange for an equal number of newly-issued shares of Summit Inc.’s Class A common stock. As of July 1, 2023 and December 31, 2022, we had recorded $327.8 million and $328.4 million of TRA liability, respectively.

Tax Distributions – The holders of Summit Holdings’ LP Units, including Summit Inc., incur U.S. federal, state and local income taxes on their share of any taxable income of Summit Holdings. The limited partnership agreement of Summit Holdings provides for pro rata cash distributions (“tax distributions”) to the holders of the LP Units in an amount generally

calculated to provide each holder of LP Units with sufficient cash to cover its tax liability in respect of the LP Units. In general, these tax distributions are computed based on Summit Holdings’ estimated taxable income allocated to Summit Inc. multiplied by an assumed tax rate equal to the highest effective marginal combined U.S. federal, state and local income tax rate in New York, New York. No tax distributions were made by Summit Holdings in the six months ended July 1, 2023.

Summit Materials, LLC

Income Taxes [Line Items]

INCOME TAXES

INCOME TAXES

Summit LLC is a limited liability company and passes its tax attributes for federal and state tax purposes to its parent company and is generally not subject to federal or state income tax. However, certain subsidiary entities file federal, state and Canadian income tax returns due to their status as taxable entities in the respective jurisdiction. The effective income tax rate for the C Corporations differs from the statutory federal rate primarily due to (1) tax depletion expense in excess of the expense recorded under U.S. GAAP, (2) basis differences in assets divested, (3) state income taxes and the effect of graduated tax rates and (4) various other items, such as limitations on meals and entertainment and other costs. The effective income tax rate for the Canadian subsidiary is not significantly different from its historical effective tax rate.

No material interest or penalties were recognized in income tax expense during the three and six months ended July 1, 2023 and July 2, 2022.

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EARNINGS PER SHARE

6 Months Ended

Jul. 01, 2023

Earnings Per Share [Abstract]

EARNINGS PER SHARE

EARNINGS PER SHARE

Basic earnings per share is computed by dividing net earnings by the weighted average common shares outstanding and diluted net earnings is computed by dividing net earnings, adjusted for changes in the earnings allocated to Summit Inc. as a result of the assumed conversion of LP Units, by the weighted-average common shares outstanding assuming dilution.

The following table shows the calculation of basic and diluted earnings per share:

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Net income attributable to Summit Inc.	$	83,637	$	190,113	$	52,833	$	155,821
Weighted average shares of Class A stock outstanding	118,848,214		120,078,273		118,706,385		120,417,414
Add: Nonvested restricted stock awards of retirement eligible shares	83,700		143,821		99,400		151,973
Weighted average shares outstanding	118,931,914		120,222,094		118,805,785		120,569,387
Basic earnings per share	$	0.70	$	1.58	$	0.44	$	1.29
Diluted net income attributable to Summit Inc.	$	83,637	$	190,113	$	52,833	$	155,821
Weighted average shares outstanding	118,931,914		120,222,094		118,805,785		120,569,387
Add: stock options	100,895		76,161		99,102		101,094
Add: warrants	13,194		10,413		12,978		12,844
Add: restricted stock units	193,011		257,454		340,958		533,242
Add: performance stock units	154,695		94,599		172,781		157,601
Weighted average dilutive shares outstanding	119,393,709		120,660,721		119,431,604		121,374,168
Diluted earnings per share	$	0.70	$	1.58	$	0.44	$	1.28

Excluded from the above calculations were the shares noted below as they were antidilutive:

	Three months ended		Six months ended
	July 1, 2023	July 2, 2022	July 1, 2023	July 2, 2022
Antidilutive shares:
LP Units	1,310,004	1,314,006	1,310,630	1,314,006

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STOCKHOLDERS' EQUITY/MEMBERS' INTEREST

6 Months Ended

Jul. 01, 2023

Schedule of Capitalization, Equity [Line Items]

STOCKHOLDERS' EQUITY

STOCKHOLDERS’ EQUITY

During 2023, certain limited partners of Summit Holdings exchanged their LP Units for shares of Class A common stock of Summit Inc.

In March 2022, our Board of Directors authorized a share repurchase program, whereby we can repurchase up to $250 million of our Class A common stock. As of July 1, 2023, there was $149.0 million available for purchase, upon which they will be retired.

The following table summarizes the changes in our ownership of Summit Holdings:

	Summit Inc. Shares (Class A)	LP Units	Total	Summit Inc. Ownership Percentage
Balance — December 31, 2022	118,408,655	1,312,004	119,720,659	98.9	%
Exchanges during period	2,000	(2,000)	—
Stock option exercises	4,240	—	4,240
Other equity transactions	471,379	—	471,379
Balance — July 1, 2023	118,886,274	1,310,004	120,196,278	98.9	%
Balance — January 1, 2022	120,684,322	1,314,006	121,998,328	98.9	%
Stock option exercises	6,518	—	6,518
Repurchases of common stock	(1,506,878)	—	(1,506,878)
Other equity transactions	909,864	—	909,864
Balance — July 2, 2022	120,093,826	1,314,006	121,407,832	98.9	%

Summit Inc. is Summit Holdings’ primary beneficiary and thus consolidates Summit Holdings in its consolidated financial statements with a corresponding noncontrolling interest reclassification, which was 1.1% and 1.1% as of July 1, 2023 and December 31, 2022, respectively.

Accumulated other comprehensive income (loss) —The changes in each component of accumulated other comprehensive income (loss) consisted of the following:

	Change in  retirement plans		Foreign currency  translation  adjustments		Accumulated  other  comprehensive  income (loss)
Balance — December 31, 2022	$	6,356	$	(3,272)	$	3,084
Foreign currency translation adjustment, net of tax	—		3,242		3,242
Balance — July 1, 2023	$	6,356	$	(30)	$	6,326
Balance — January 1, 2022	$	1,508	$	5,575	$	7,083
Foreign currency translation adjustment, net of tax	—		(2,890)		(2,890)
Balance — July 2, 2022	$	1,508	$	2,685	$	4,193

Summit Materials, LLC

Schedule of Capitalization, Equity [Line Items]

MEMBERS' INTEREST

MEMBERS’ INTEREST

Accumulated other comprehensive income (loss) —The changes in each component of accumulated other comprehensive income (loss) consisted of the following:

					Accumulated
			Foreign currency		other
	Change in		translation		comprehensive
	retirement plans		adjustments		(loss) income
Balance — December 31, 2022	$	(762)	$	(20,614)	$	(21,376)
Foreign currency translation adjustment	—		4,105		4,105
Balance — July 1, 2023	$	(762)	$	(16,509)	$	(17,271)
Balance — January 1, 2022	$	(7,243)	$	(8,783)	$	(16,026)
Foreign currency translation adjustment	—		(3,866)		(3,866)
Balance — July 2, 2022	$	(7,243)	$	(12,649)	$	(19,892)

XML

SUPPLEMENTAL CASH FLOW INFORMATION

6 Months Ended

Jul. 01, 2023

Schedule Of Cash Flow Supplemental [Line Items]

SUPPLEMENTAL CASH FLOW INFORMATION

SUPPLEMENTAL CASH FLOW INFORMATION

Supplemental cash flow information is as follows:

	Six months ended
	July 1, 2023		July 2, 2022
Cash payments:
Interest	$	38,107	$	36,115
Payments for income taxes, net	6,941		8,503
Operating cash payments on operating leases	4,801		4,652
Operating cash payments on finance leases	282		646
Finance cash payments on finance leases	5,223		11,297
Non cash investing and financing activities:
Accrued liabilities for purchases of property, plant and equipment	$	14,994	$	20,225
Right of use assets obtained in exchange for operating lease obligations	2,050		9,312
Right of use assets obtained in exchange for finance leases obligations	413		258
Exchange of LP Units to shares of Class A common stock	60		—

Summit Materials, LLC

Schedule Of Cash Flow Supplemental [Line Items]

SUPPLEMENTAL CASH FLOW INFORMATION

SUPPLEMENTAL CASH FLOW INFORMATION

Supplemental cash flow information is as follows:

	Six months ended
	July 1, 2023		July 2, 2022
Cash payments:
Interest	$	38,107	$	36,115
Payments for income taxes, net	6,941		8,503
Operating cash payments on operating leases	4,801		4,652
Operating cash payments on finance leases	282		646
Finance cash payments on finance leases	5,223		11,297
Non cash investing and financing activities:
Accrued liabilities for purchases of property, plant and equipment	$	14,994	$	20,225
Right of use assets obtained in exchange for operating lease obligations	2,050		9,312
Right of use assets obtained in exchange for finance leases obligations	413		258

XML

LEASES

6 Months Ended

Jul. 01, 2023

Lessee, Lease, Description [Line Items]

LEASES

LEASES

We lease construction and office equipment, distribution facilities and office space. Leases with an initial term of 12 months or less, including month to month leases, are not recorded on the balance sheet. Lease expense for short-term leases is recognized on a straight line basis over the lease term. For lease agreements we have entered into or reassessed we combine lease and nonlease components. While we also own mineral leases for mining operations, those leases are outside the scope of Accounting Standards Update No. 2016-2, Leases (Topic 842). Assets acquired under finance leases are included in property, plant and equipment.

Many of our leases include options to purchase the leased equipment. The depreciable life of assets and leasehold improvements are limited by the expected lease term, unless there is a transfer of title or purchase option reasonably certain of exercise. Our lease agreements do not contain any material residual value guarantees or material restrictive covenants. The components of lease expense were as follows:

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023			July 2, 2022
Operating lease cost	$	2,697	$	2,271	$	5,338		$	4,783
Variable lease cost	34		42		64			155
Short-term lease cost	10,184		10,933		17,454			19,181
Financing lease cost:
Amortization of right-of-use assets	714		1,377		1,532			3,363
Interest on lease liabilities	133		271		281			640
Total lease cost	$	13,762	$	14,894	$	24,669		$	28,122
					July 1, 2023			December 31, 2022
Supplemental balance sheet information related to leases:
Operating leases:
Operating lease right-of-use assets					$	36,013		$	37,889
Current operating lease liabilities					$	7,707		$	7,296
Noncurrent operating lease liabilities					33,563			35,737
Total operating lease liabilities					$	41,270		$	43,033
Finance leases:
Property and equipment, gross					$	21,515		$	32,119
Less accumulated depreciation					(10,101)			(14,992)
Property and equipment, net					$	11,414		$	17,127
Current finance lease liabilities					$	3,499		$	6,959
Long-term finance lease liabilities					5,820			7,167
Total finance lease liabilities					$	9,319		$	14,126
Weighted average remaining lease term (years):
Operating leases					8.8			9.1
Finance lease					3.5			2.8
Weighted average discount rate:
Operating leases					4.8		%	4.7		%
Finance leases					5.7		%	5.3		%
Maturities of lease liabilities, as of July 1, 2023, were as follows:
					Operating Leases			Finance Leases
2023 (six months)					$	4,831		$	2,142
2024					8,762			3,052
2025					6,787			2,435
2026					5,242			990
2027					4,233			760
2028					3,432			513
Thereafter					17,664			570
Total lease payments					50,951			10,462
Less imputed interest					(9,681)			(1,143)
Present value of lease payments					$	41,270		$	9,319

LEASES

LEASES

We lease construction and office equipment, distribution facilities and office space. Leases with an initial term of 12 months or less, including month to month leases, are not recorded on the balance sheet. Lease expense for short-term leases is recognized on a straight line basis over the lease term. For lease agreements we have entered into or reassessed we combine lease and nonlease components. While we also own mineral leases for mining operations, those leases are outside the scope of Accounting Standards Update No. 2016-2, Leases (Topic 842). Assets acquired under finance leases are included in property, plant and equipment.

Many of our leases include options to purchase the leased equipment. The depreciable life of assets and leasehold improvements are limited by the expected lease term, unless there is a transfer of title or purchase option reasonably certain of exercise. Our lease agreements do not contain any material residual value guarantees or material restrictive covenants. The components of lease expense were as follows:

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023			July 2, 2022
Operating lease cost	$	2,697	$	2,271	$	5,338		$	4,783
Variable lease cost	34		42		64			155
Short-term lease cost	10,184		10,933		17,454			19,181
Financing lease cost:
Amortization of right-of-use assets	714		1,377		1,532			3,363
Interest on lease liabilities	133		271		281			640
Total lease cost	$	13,762	$	14,894	$	24,669		$	28,122
					July 1, 2023			December 31, 2022
Supplemental balance sheet information related to leases:
Operating leases:
Operating lease right-of-use assets					$	36,013		$	37,889
Current operating lease liabilities					$	7,707		$	7,296
Noncurrent operating lease liabilities					33,563			35,737
Total operating lease liabilities					$	41,270		$	43,033
Finance leases:
Property and equipment, gross					$	21,515		$	32,119
Less accumulated depreciation					(10,101)			(14,992)
Property and equipment, net					$	11,414		$	17,127
Current finance lease liabilities					$	3,499		$	6,959
Long-term finance lease liabilities					5,820			7,167
Total finance lease liabilities					$	9,319		$	14,126
Weighted average remaining lease term (years):
Operating leases					8.8			9.1
Finance lease					3.5			2.8
Weighted average discount rate:
Operating leases					4.8		%	4.7		%
Finance leases					5.7		%	5.3		%
Maturities of lease liabilities, as of July 1, 2023, were as follows:
					Operating Leases			Finance Leases
2023 (six months)					$	4,831		$	2,142
2024					8,762			3,052
2025					6,787			2,435
2026					5,242			990
2027					4,233			760
2028					3,432			513
Thereafter					17,664			570
Total lease payments					50,951			10,462
Less imputed interest					(9,681)			(1,143)
Present value of lease payments					$	41,270		$	9,319

Summit Materials, LLC

Lessee, Lease, Description [Line Items]

LEASES

LEASES

We lease construction and office equipment, distribution facilities and office space. Leases with an initial term of 12 months or less, including month to month leases, are not recorded on the balance sheet. Lease expense for short-term leases is recognized on a straight line basis over the lease term. For lease agreements we have entered into or reassessed, we combine lease and nonlease components. While we also own mineral leases for mining operations, those leases are outside the scope of Accounting Standards Update No. 2016-2, Leases (Topic 842). Assets acquired under finance leases are included in property, plant and equipment.

Many of our leases include options to purchase the leased equipment. The depreciable life of assets and leasehold improvements are limited by the expected lease term, unless there is a transfer of title or purchase option reasonably certain of

exercise. Our lease agreements do not contain any material residual value guarantees or material restrictive covenants. The components of lease expense were as follows:

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023			July 2, 2022
Operating lease cost	$	2,697	$	2,271	$	5,338		$	4,783
Variable lease cost	34		42		64			155
Short-term lease cost	10,184		10,933		17,454			19,181
Financing lease cost:
Amortization of right-of-use assets	714		1,377		1,532			3,363
Interest on lease liabilities	133		271		281			640
Total lease cost	$	13,762	$	14,894	$	24,669		$	28,122
					July 1, 2023			December 31, 2022
Supplemental balance sheet information related to leases:
Operating leases:
Operating lease right-of-use assets					$	36,013		$	37,889
Current operating lease liabilities					$	7,707		$	7,296
Noncurrent operating lease liabilities					33,563			35,737
Total operating lease liabilities					$	41,270		$	43,033
Finance leases:
Property and equipment, gross					$	21,515		$	32,119
Less accumulated depreciation					(10,101)			(14,992)
Property and equipment, net					$	11,414		$	17,127
Current finance lease liabilities					$	3,499		$	6,959
Long-term finance lease liabilities					5,820			7,167
Total finance lease liabilities					$	9,319		$	14,126
Weighted average remaining lease term (years):
Operating leases					8.8			9.1
Finance lease					3.5			2.8
Weighted average discount rate:
Operating leases					4.8		%	4.7		%
Finance leases					5.7		%	5.3		%
Maturities of lease liabilities, as of July 1, 2023, were as follows:
					Operating Leases			Finance Leases
2023 (six months)					$	4,831		$	2,142
2024					8,762			3,052
2025					6,787			2,435
2026					5,242			990
2027					4,233			760
2028					3,432			513
Thereafter					17,664			570
Total lease payments					50,951			10,462
Less imputed interest					(9,681)			(1,143)
Present value of lease payments					$	41,270		$	9,319

LEASES

LEASES

We lease construction and office equipment, distribution facilities and office space. Leases with an initial term of 12 months or less, including month to month leases, are not recorded on the balance sheet. Lease expense for short-term leases is recognized on a straight line basis over the lease term. For lease agreements we have entered into or reassessed, we combine lease and nonlease components. While we also own mineral leases for mining operations, those leases are outside the scope of Accounting Standards Update No. 2016-2, Leases (Topic 842). Assets acquired under finance leases are included in property, plant and equipment.

Many of our leases include options to purchase the leased equipment. The depreciable life of assets and leasehold improvements are limited by the expected lease term, unless there is a transfer of title or purchase option reasonably certain of

exercise. Our lease agreements do not contain any material residual value guarantees or material restrictive covenants. The components of lease expense were as follows:

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023			July 2, 2022
Operating lease cost	$	2,697	$	2,271	$	5,338		$	4,783
Variable lease cost	34		42		64			155
Short-term lease cost	10,184		10,933		17,454			19,181
Financing lease cost:
Amortization of right-of-use assets	714		1,377		1,532			3,363
Interest on lease liabilities	133		271		281			640
Total lease cost	$	13,762	$	14,894	$	24,669		$	28,122
					July 1, 2023			December 31, 2022
Supplemental balance sheet information related to leases:
Operating leases:
Operating lease right-of-use assets					$	36,013		$	37,889
Current operating lease liabilities					$	7,707		$	7,296
Noncurrent operating lease liabilities					33,563			35,737
Total operating lease liabilities					$	41,270		$	43,033
Finance leases:
Property and equipment, gross					$	21,515		$	32,119
Less accumulated depreciation					(10,101)			(14,992)
Property and equipment, net					$	11,414		$	17,127
Current finance lease liabilities					$	3,499		$	6,959
Long-term finance lease liabilities					5,820			7,167
Total finance lease liabilities					$	9,319		$	14,126
Weighted average remaining lease term (years):
Operating leases					8.8			9.1
Finance lease					3.5			2.8
Weighted average discount rate:
Operating leases					4.8		%	4.7		%
Finance leases					5.7		%	5.3		%
Maturities of lease liabilities, as of July 1, 2023, were as follows:
					Operating Leases			Finance Leases
2023 (six months)					$	4,831		$	2,142
2024					8,762			3,052
2025					6,787			2,435
2026					5,242			990
2027					4,233			760
2028					3,432			513
Thereafter					17,664			570
Total lease payments					50,951			10,462
Less imputed interest					(9,681)			(1,143)
Present value of lease payments					$	41,270		$	9,319

XML

COMMITMENTS AND CONTINGENCIES

6 Months Ended

Jul. 01, 2023

Loss Contingencies [Line Items]

COMMITMENTS AND CONTINGENCIES

COMMITMENTS AND CONTINGENCIES

The Company is party to certain legal actions arising from the ordinary course of business activities. Accruals are recorded when the outcome is probable and can be reasonably estimated. While the ultimate results of claims and litigation cannot be predicted with certainty, management expects that the ultimate resolution of all current pending or threatened claims and

litigation will not have a material effect on the Company’s consolidated financial position, results of operations or liquidity. The Company records legal fees as incurred.

In March 2018, we were notified of an investigation by the Canadian Competition Bureau (the “CCB”) into pricing practices by certain asphalt paving contractors in British Columbia, including Winvan Paving, Ltd. (“Winvan”). We believe the investigation is focused on time periods prior to our April 2017 acquisition of Winvan and we are cooperating with the CCB. Although we currently do not believe this matter will have a material adverse effect on our business, financial condition or results of operations, we are currently not able to predict the ultimate outcome or cost of the investigation.

Environmental Remediation and Site Restoration —The Company’s operations are subject to and affected by federal, state, provincial and local laws and regulations relating to the environment, health and safety and other regulatory matters. These operations require environmental operating permits, which are subject to modification, renewal and revocation. The Company regularly monitors and reviews its operations, procedures and policies for compliance with these laws and regulations. Despite these compliance efforts, risk of environmental liability is inherent in the operation of the Company’s business, as it is with other companies engaged in similar businesses and there can be no assurance that environmental liabilities or noncompliance will not have a material adverse effect on the Company’s consolidated financial condition, results of operations or liquidity.

The Company has asset retirement obligations arising from regulatory and contractual requirements to perform reclamation activities at the time certain quarries and landfills are closed. As of July 1, 2023 and December 31, 2022, $36.6 million and $36.3 million, respectively, were included in other noncurrent liabilities on the consolidated balance sheets and $4.9 million and $4.0 million, respectively, were included in accrued expenses for future reclamation costs. The total undiscounted anticipated costs for site reclamation as of July 1, 2023 and December 31, 2022 were $125.2 million and $124.9 million, respectively.

Other—The Company is obligated under various firm purchase commitments for certain raw materials and services that are in the ordinary course of business. Management does not expect any significant changes in the market value of these goods and services during the commitment period that would have a material adverse effect on the financial condition, results of operations and cash flows of the Company. The terms of the purchase commitments generally approximate one year.

Summit Materials, LLC

Loss Contingencies [Line Items]

COMMITMENTS AND CONTINGENCIES

COMMITMENTS AND CONTINGENCIES

The Company is party to certain legal actions arising from the ordinary course of business activities. Accruals are recorded when the outcome is probable and can be reasonably estimated. While the ultimate results of claims and litigation cannot be predicted with certainty, management expects that the ultimate resolution of all current pending or threatened claims and litigation will not have a material effect on the Company’s consolidated financial position, results of operations or liquidity. The Company records legal fees as incurred.

In March 2018, we were notified of an investigation by the Canadian Competition Bureau (the “CCB”) into pricing practices by certain asphalt paving contractors in British Columbia, including Winvan Paving, Ltd. (“Winvan”). We believe the investigation is focused on time periods prior to our April 2017 acquisition of Winvan and we are cooperating with the CCB. Although we currently do not believe this matter will have a material adverse effect on our business, financial condition or results of operations, we are currently not able to predict the ultimate outcome or cost of the investigation.

Environmental Remediation and Site Restoration—The Company’s operations are subject to and affected by federal, state, provincial and local laws and regulations relating to the environment, health and safety and other regulatory matters. These operations require environmental operating permits, which are subject to modification, renewal and revocation. The Company regularly monitors and reviews its operations, procedures and policies for compliance with these laws and regulations. Despite these compliance efforts, risk of environmental liability is inherent in the operation of the Company’s business, as it is with other companies engaged in similar businesses and there can be no assurance that environmental liabilities or noncompliance will not have a material adverse effect on the Company’s consolidated financial condition, results of operations or liquidity.

The Company has asset retirement obligations arising from regulatory and contractual requirements to perform reclamation activities at the time certain quarries and landfills are closed. As of July 1, 2023 and December 31, 2022, $36.6 million and $36.3 million, respectively, were included in other noncurrent liabilities on the consolidated balance sheets and $4.9 million and $4.0 million, respectively, were included in accrued expenses for future reclamation costs. The total undiscounted anticipated costs for site reclamation as of July 1, 2023 and December 31, 2022 were $125.2 million and $124.9 million, respectively.

Other—The Company is obligated under various firm purchase commitments for certain raw materials and services that are in the ordinary course of business. Management does not expect any significant changes in the market value of these goods and services during the commitment period that would have a material adverse effect on the financial condition, results of operations and cash flows of the Company. The terms of the purchase commitments generally approximate one year.

XML

FAIR VALUE

6 Months Ended

Jul. 01, 2023

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

FAIR VALUE

FAIR VALUE

Fair Value Measurements—Certain acquisitions made by the Company require the payment of contingent amounts of purchase consideration. These payments are contingent on specified operating results being achieved in periods subsequent to the acquisition and will only be made if earn-out thresholds are achieved. Contingent consideration obligations are measured at fair value each reporting period. Any adjustments to fair value are recognized in earnings in the period identified.

The fair value of contingent consideration as of July 1, 2023 and December 31, 2022 was:

	July 1, 2023		December 31, 2022
Current portion of acquisition-related liabilities and Accrued expenses:
Contingent consideration	$	336	$	336
Acquisition-related liabilities and Other noncurrent liabilities:
Contingent consideration	$	5,102	$	4,981

The fair value of contingent consideration was based on unobservable, or Level 3, inputs, including projected probability-weighted cash payments and a 10.0% discount rate, which reflects a market discount rate. Changes in fair value may occur as a result of a change in actual or projected cash payments, the probability weightings applied by the Company to projected payments or a change in the discount rate. Significant increases or decreases in any of these inputs in isolation could result in a lower, or higher, fair value measurement. There were no material valuation adjustments to contingent consideration as of July 1, 2023 and July 2, 2022.

Financial Instruments—The Company’s financial instruments include debt and certain acquisition-related liabilities (deferred consideration and noncompete obligations). The carrying value and fair value of these financial instruments as of July 1, 2023 and December 31, 2022 was:

	July 1, 2023				December 31, 2022
	Fair Value		Carrying Value		Fair Value		Carrying Value
Level 1
Long-term debt(1)	$	1,456,913	$	1,502,511	$	1,447,673	$	1,504,549
Level 3
Current portion of deferred consideration and noncompete obligations(2)	6,907		6,907		13,382		13,382
Long term portion of deferred consideration and noncompete obligations(3)	18,401		18,401		24,070		24,070

(1)$5.1 million was included in current portion of debt as of July 1, 2023 and December 31, 2022.

(2)Included in current portion of acquisition-related liabilities on the consolidated balance sheets.

(3)Included in acquisition-related liabilities on the consolidated balance sheets.

The fair value of debt was determined based on observable, or Level 1, inputs, such as interest rates, bond yields and quoted prices in inactive markets. The fair values of the deferred consideration and noncompete obligations were determined based on unobservable, or Level 3, inputs, including the cash payment terms in the purchase agreements and a discount rate reflecting the Company’s credit risk. The discount rate used is generally consistent with that used when the obligations were initially recorded.

Securities with a maturity of three months or less are considered cash equivalents and the fair value of these assets approximates their carrying value.

Summit Materials, LLC

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

FAIR VALUE

FAIR VALUE

Fair Value Measurements—Certain acquisitions made by the Company require the payment of contingent amounts of purchase consideration. These payments are contingent on specified operating results being achieved in periods subsequent to the acquisition and will only be made if earn-out thresholds are achieved. Contingent consideration obligations are measured at fair value each reporting period. Any adjustments to fair value are recognized in earnings in the period identified.

The fair value of contingent consideration as of July 1, 2023 and December 31, 2022 was: 

	July 1, 2023		December 31, 2022
Current portion of acquisition-related liabilities and Accrued expenses:
Contingent consideration	$	336	$	336
Acquisition-related liabilities and Other noncurrent liabilities:
Contingent consideration	$	5,102	$	4,981

The fair value of contingent consideration was based on unobservable, or Level 3, inputs, including projected probability-weighted cash payments and a 10.0% discount rate, which reflects a market discount rate. Changes in fair value may occur as a result of a change in actual or projected cash payments, the probability weightings applied by the Company to projected payments or a change in the discount rate. Significant increases or decreases in any of these inputs in isolation could result in a lower, or higher, fair value measurement. There were no material valuation adjustments to contingent consideration as of July 1, 2023 and July 2, 2022.

Financial Instruments—The Company’s financial instruments include debt and certain acquisition-related liabilities (deferred consideration and noncompete obligations). The carrying value and fair value of these financial instruments as of July 1, 2023 and December 31, 2022 was:

	July 1, 2023				December 31, 2022
	Fair Value		Carrying Value		Fair Value		Carrying Value
Level 1
Long-term debt(1)	$	1,456,913	$	1,502,511	$	1,447,673	$	1,504,549
Level 3
Current portion of deferred consideration and noncompete obligations(2)	6,907		6,907		13,382		13,382
Long term portion of deferred consideration and noncompete obligations(3)	18,401		18,401		24,070		24,070

(1)$5.1 million was included in current portion of debt as of July 1, 2023 and December 31, 2022.

(2)Included in current portion of acquisition-related liabilities on the consolidated balance sheets.

(3)Included in acquisition-related liabilities on the consolidated balance sheets.

The fair value of debt was determined based on observable, or Level 2, inputs, such as interest rates, bond yields and quoted prices in inactive markets. The fair values of the deferred consideration and noncompete obligations were determined based on unobservable, or Level 3, inputs, including the cash payment terms in the purchase agreements and a discount rate reflecting the Company’s credit risk. The discount rate used is generally consistent with that used when the obligations were initially recorded.

Securities with a maturity of three months or less are considered cash equivalents and the fair value of these assets approximates their carrying value.

XML

SEGMENT INFORMATION

6 Months Ended

Jul. 01, 2023

Segment Reporting Information [Line Items]

SEGMENT INFORMATION

SEGMENT INFORMATION

The Company has three operating segments: West, East and Cement, which are its reporting segments. These segments are consistent with the Company’s management reporting structure.

The operating results of each segment are regularly reviewed and evaluated by the Chief Executive Officer, our Company’s Chief Operating Decision Maker (“CODM”). The CODM primarily evaluates the performance of the Company’s segments and allocates resources to them based on a segment profit metric that we call Adjusted EBITDA, which is computed as earnings from operations before interest, taxes, depreciation, depletion, amortization, accretion, and share-based compensation, as well as various other non-recurring, non-cash amounts.

The West and East segments have several subsidiaries that are engaged in various activities including quarry mining, aggregate production and contracting. The Cement segment is engaged in the production of Portland cement. Assets employed by each segment include assets directly identified with those operations. Corporate assets consist primarily of cash, property, plant and equipment for corporate operations and other assets not directly identifiable with a reportable business segment. The accounting policies applicable to each segment are consistent with those used in the consolidated financial statements.

The following tables display selected financial data for the Company’s reportable business segments as of July 1, 2023 and December 31, 2022 and for the three and six months ended July 1, 2023 and July 2, 2022:

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Revenue*:
West	$	430,738	$	383,750	$	681,620	$	635,982
East	186,537		209,153		316,926		331,643
Cement	111,875		93,651		165,992		139,876
Total revenue	$	729,150	$	686,554	$	1,164,538	$	1,107,501

*Intercompany sales are immaterial and the presentation above only reflects sales to external customers.

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Income from operations before taxes	$	107,209	$	246,713	$	69,531	$	207,170
Interest expense	27,902		20,599		55,322		40,748
Depreciation, depletion and amortization	54,042		46,455		104,230		96,934
Accretion	745		702		1,451		1,416
Loss on debt financings	—		—		493		—
Tax receivable agreement expense	—		954		—		954
Gain on sale of businesses	—		(156,053)		—		(170,258)
Non-cash compensation	5,216		4,734		9,924		10,156
Other	(3,369)		(70)		(8,005)		177
Total Adjusted EBITDA	$	191,745	$	164,034	$	232,946	$	187,297
Total Adjusted EBITDA by Segment:
West	$	104,517	$	84,644	$	137,195	$	117,336
East	47,617		46,694		66,469		54,830
Cement	52,872		43,241		52,882		37,422
Corporate and other	(13,261)		(10,545)		(23,600)		(22,291)
Total Adjusted EBITDA	$	191,745	$	164,034	$	232,946	$	187,297

	Six months ended
	July 1, 2023		July 2, 2022
Purchases of property, plant and equipment
West	$	70,687	$	58,137
East	30,378		45,910
Cement	19,477		19,875
Total reportable segments	120,542		123,922
Corporate and other	6,351		5,658
Total purchases of property, plant and equipment	$	126,893	$	129,580

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Depreciation, depletion, amortization and accretion:
West	$	28,144	$	22,012	$	54,517	$	46,587
East	15,718		14,915		31,253		33,210
Cement	9,891		9,460		17,889		17,034
Total reportable segments	53,753		46,387		103,659		96,831
Corporate and other	1,034		770		2,022		1,519
Total depreciation, depletion, amortization and accretion	$	54,787	$	47,157	$	105,681	$	98,350

	July 1, 2023		December 31, 2022
Total assets:
West	$	1,919,824	$	1,565,776
East	1,181,536		1,151,223
Cement	924,766		873,604
Total reportable segments	4,026,126		3,590,603
Corporate and other	369,361		665,089
Total	$	4,395,487	$	4,255,692

Summit Materials, LLC

Segment Reporting Information [Line Items]

SEGMENT INFORMATION

SEGMENT INFORMATION

The Company has three operating segments: West, East and Cement, which are its reporting segments. These segments are consistent with the Company’s management reporting structure.

The operating results of each segment are regularly reviewed and evaluated by the Chief Executive Officer, our Company’s Chief Operating Decision Maker (“CODM”). The CODM primarily evaluates the performance of the Company’s segments and allocates resources to them based on a segment profit metric that we call Adjusted EBITDA, which is computed as earnings from operations before interest, taxes, depreciation, depletion, amortization, accretion and share-based compensation, as well as various other non-recurring, non-cash amounts.

The West and East segments have several subsidiaries that are engaged in various activities including quarry mining, aggregate production and contracting. The Cement segment is engaged in the production of Portland cement. Assets employed by each segment include assets directly identified with those operations. Corporate assets consist primarily of cash, property, plant and equipment for corporate operations and other assets not directly identifiable with a reportable business segment. The accounting policies applicable to each segment are consistent with those used in the consolidated financial statements.

The following tables display selected financial data for the Company’s reportable business segments as of July 1, 2023 and December 31, 2022 and for the three and six months ended July 1, 2023 and July 2, 2022:

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Revenue*:
West	$	430,738	$	383,750	$	681,620	$	635,982
East	186,537		209,153		316,926		331,643
Cement	111,875		93,651		165,992		139,876
Total revenue	$	729,150	$	686,554	$	1,164,538	$	1,107,501

*Intercompany sales are immaterial and the presentation above only reflects sales to external customers.

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Income from operations before taxes	$	107,209	$	247,667	$	69,531	$	208,124
Interest expense	27,902		20,599		55,322		40,748
Depreciation, depletion and amortization	54,042		46,455		104,230		96,934
Accretion	745		702		1,451		1,416
Loss on debt financings	—		—		493		—
Gain on sale of businesses	—		(156,053)		—		(170,258)
Non-cash compensation	5,216		4,734		9,924		10,156
Other	(3,369)		(70)		(8,005)		177
Total Adjusted EBITDA	$	191,745	$	164,034	$	232,946	$	187,297
Total Adjusted EBITDA by Segment:
West	$	104,517	$	84,644	$	137,195	$	117,336
East	47,617		46,694		66,469		54,830
Cement	52,872		43,241		52,882		37,422
Corporate and other	(13,261)		(10,545)		(23,600)		(22,291)
Total Adjusted EBITDA	$	191,745	$	164,034	$	232,946	$	187,297

	Six months ended
	July 1, 2023		July 2, 2022
Purchases of property, plant and equipment
West	$	70,687	$	58,137
East	30,378		45,910
Cement	19,477		19,875
Total reportable segments	120,542		123,922
Corporate and other	6,351		5,658
Total purchases of property, plant and equipment	$	126,893	$	129,580

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Depreciation, depletion, amortization and accretion:
West	$	28,144	$	22,012	$	54,517	$	46,587
East	15,718		14,915		31,253		33,210
Cement	9,891		9,460		17,889		17,034
Total reportable segments	53,753		46,387		103,659		96,831
Corporate and other	1,034		770		2,022		1,519
Total depreciation, depletion, amortization and accretion	$	54,787	$	47,157	$	105,681	$	98,350

	July 1, 2023		December 31, 2022
Total assets:
West	$	1,919,824	$	1,565,776
East	1,181,536		1,151,223
Cement	924,766		873,604
Total reportable segments	4,026,126		3,590,603
Corporate and other	243,544		529,103
Total	$	4,269,670	$	4,119,706

XML

GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION

6 Months Ended

Jul. 01, 2023

Summit Materials, LLC

Guarantor and Non-Guarantor Financial Information

GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION

Summit LLC’s domestic wholly-owned subsidiary companies other than Finance Corp. are named as guarantors (collectively, the “Guarantors”) of the Senior Notes. Finance Corp. does not and will not have any assets or operations other than as may be incidental to its activities as a co-issuer of the Senior Notes and other indebtedness. Certain other partially-owned subsidiaries and a non-U.S. entity do not guarantee the Senior Notes (collectively, the “Non-Guarantors”). The Guarantors provide a joint and several, full and unconditional guarantee of the Senior Notes.

There are no significant restrictions on Summit LLC’s ability to obtain funds from any of the Guarantors in the form of dividends or loans. Additionally, there are no significant restrictions on a Guarantor’s ability to obtain funds from Summit LLC or its direct or indirect subsidiaries.

The following condensed consolidating balance sheets, statements of operations and cash flows are provided for the Issuers, the Guarantors and the Non-Guarantors.

Earnings from subsidiaries are included in other income in the condensed consolidated statements of operations below. The financial information may not necessarily be indicative of the financial position, results of operations or cash flows had the Guarantors or Non-Guarantors operated as independent entities.

Condensed Consolidating Balance Sheets

July 1, 2023

					Non-
	Issuers		Guarantors		Guarantors		Eliminations		Consolidated
Assets
Current assets:
Cash and cash equivalents	$	197,481	$	5,698	$	32,206	$	(5,375)	$	230,010
Accounts receivable, net	603		341,501		28,491		(91)		370,504
Intercompany receivables	311,267		1,985,385		—		(2,296,652)		—
Cost and estimated earnings in excess of billings	—		33,533		1,782		—		35,315
Inventories	—		239,848		6,427		—		246,275
Other current assets	11,596		11,143		1,459		—		24,198
Total current assets	520,947		2,617,108		70,365		(2,302,118)		906,302
Property, plant and equipment, net	27,660		1,871,238		81,088		—		1,979,986
Goodwill	—		1,171,500		57,968		—		1,229,468
Intangible assets, net	—		65,279		4,435		—		69,714
Operating lease right-of-use assets	4,225		27,149		4,639		—		36,013
Other assets	5,016,546		216,720		810		(5,185,889)		48,187
Total assets	$	5,569,378	$	5,968,994	$	219,305	$	(7,488,007)	$	4,269,670
Liabilities and Members' Interest
Current liabilities:
Current portion of debt	$	5,096	$	—	$	—	$	—	$	5,096
Current portion of acquisition-related liabilities	—		7,243		—		—		7,243
Accounts payable	5,622		153,815		11,730		(91)		171,076
Accrued expenses	64,653		82,359		3,108		(5,375)		144,745
Current operating lease liabilities	946		6,099		662		—		7,707
Intercompany payables	1,776,656		516,160		3,836		(2,296,652)		—
Billings in excess of costs and estimated earnings	—		6,313		741		—		7,054
Total current liabilities	1,852,973		771,989		20,077		(2,302,118)		342,921
Long-term debt	1,487,289		—		—		—		1,487,289
Acquisition-related liabilities	—		23,503		—		—		23,503
Noncurrent operating lease liabilities	8,315		21,355		3,893		—		33,563
Other noncurrent liabilities	5,497		208,578		117,436		(164,421)		167,090
Total liabilities	3,354,074		1,025,425		141,406		(2,466,539)		2,054,366
Total members' interest	2,215,304		4,943,569		77,899		(5,021,468)		2,215,304
Total liabilities and members' interest	$	5,569,378	$	5,968,994	$	219,305	$	(7,488,007)	$	4,269,670

Condensed Consolidating Balance Sheets

December 31, 2022

					Non-
	Issuers		Guarantors		Guarantors		Eliminations		Consolidated
Assets
Current assets:
Cash and cash equivalents	$	498,307	$	2,864	$	26,298	$	(7,018)	$	520,451
Accounts receivable, net	1,528		233,039		22,127		(25)		256,669
Intercompany receivables	329,744		1,937,390		—		(2,267,134)		—
Cost and estimated earnings in excess of billings	—		5,861		649		—		6,510
Inventories	—		206,418		6,073		—		212,491
Other current assets	4,755		16,341		1,159		—		22,255
Total current assets	834,334		2,401,913		56,306		(2,274,177)		1,018,376
Property, plant and equipment, net	21,306		1,710,972		81,424		—		1,813,702
Goodwill	—		1,076,935		56,611		—		1,133,546
Intangible assets, net	—		66,972		4,412		—		71,384
Operating lease right-of-use assets	4,665		28,310		4,914		—		37,889
Other assets	4,599,488		204,644		1,220		(4,760,543)		44,809
Total assets	$	5,459,793	$	5,489,746	$	204,887	$	(7,034,720)	$	4,119,706
Liabilities and Members' Interest
Current liabilities:
Current portion of debt	$	5,096	$	—	$	—	$	—	$	5,096
Current portion of acquisition-related liabilities	—		13,718		—		—		13,718
Accounts payable	3,553		93,096		7,806		(25)		104,430
Accrued expenses	54,417		70,433		2,876		(7,018)		120,708
Current operating lease liabilities	921		5,637		738		—		7,296
Intercompany payables	1,750,352		513,494		3,288		(2,267,134)		—
Billings in excess of costs and estimated earnings	—		4,956		783		—		5,739
Total current liabilities	1,814,339		701,334		15,491		(2,274,177)		256,987
Long-term debt	1,488,569		—		—		—		1,488,569
Acquisition-related liabilities	—		29,051		—		—		29,051
Noncurrent operating lease liabilities	8,726		22,871		4,140		—		35,737
Other noncurrent liabilities	5,009		208,185		117,439		(164,421)		166,212
Total liabilities	3,316,643		961,441		137,070		(2,438,598)		1,976,556
Total members' interest	2,143,150		4,528,305		67,817		(4,596,122)		2,143,150
Total liabilities and members' interest	$	5,459,793	$	5,489,746	$	204,887	$	(7,034,720)	$	4,119,706

Condensed Consolidating Statements of Operations

For the three months ended July 1, 2023

					Non-
	Issuers		Guarantors		Guarantors		Eliminations		Consolidated
Revenue	$	—	$	695,912	$	34,801	$	(1,563)	$	729,150
Cost of revenue (excluding items shown separately below)	—		469,869		24,097		(1,563)		492,403
General and administrative expenses	18,653		32,007		1,667		—		52,327
Depreciation, depletion, amortization and accretion	1,034		50,918		2,835		—		54,787
Operating (loss) income	(19,687)		143,118		6,202		—		129,633
Other income, net	(160,703)		(1,271)		(601)		157,097		(5,478)
Interest expense (income)	40,430		(13,898)		1,370		—		27,902
Income from operation before taxes	100,586		158,287		5,433		(157,097)		107,209
Income tax expense	496		5,146		1,477		—		7,119
Net income attributable to Summit LLC	$	100,090	$	153,141	$	3,956	$	(157,097)	$	100,090
Comprehensive income attributable to member of Summit Materials, LLC	$	103,992	$	153,141	$	54	$	(153,195)	$	103,992

Condensed Consolidating Statements of Operations

For the six months ended July 1, 2023

					Non-
	Issuers		Guarantors		Guarantors		Eliminations		Consolidated
Revenue	$	—	$	1,104,334	$	62,562	$	(2,358)	$	1,164,538
Cost of revenue (excluding items shown separately below)	—		805,079		43,719		(2,358)		846,440
General and administrative expenses	33,873		60,955		3,431		—		98,259
Depreciation, depletion, amortization and accretion	2,022		98,071		5,588		—		105,681
Operating (loss) income	(35,895)		140,229		9,824		—		114,158
Other income, net	(179,850)		(1,547)		(1,109)		171,811		(10,695)
Interest expense (income)	80,276		(27,694)		2,740		—		55,322
Income from operation before taxes	63,679		169,470		8,193		(171,811)		69,531
Income tax expense	800		3,635		2,217		—		6,652
Net income attributable to Summit LLC	$	62,879	$	165,835	$	5,976	$	(171,811)	$	62,879
Comprehensive income attributable to member of Summit Materials, LLC	$	66,984	$	165,835	$	1,871	$	(167,706)	$	66,984

Condensed Consolidating Statements of Operations

For the three months ended July 2, 2022

					Non-
	Issuers		Guarantors		Guarantors		Eliminations		Consolidated
Revenue	$	—	$	656,952	$	33,762	$	(4,160)	$	686,554
Cost of revenue (excluding items shown separately below)	—		464,383		23,982		(4,160)		484,205
General and administrative expenses	15,919		26,426		1,611		—		43,956
Depreciation, depletion, amortization and accretion	769		43,342		3,046		—		47,157
Operating (loss) income	(16,688)		122,801		5,123		—		111,236
Other (income) loss, net	(166,798)		(433)		96		166,158		(977)
Interest expense (income)	33,579		(14,350)		1,370		—		20,599
Gain on sale of business	(126,601)		(29,452)		—		—		(156,053)
Income from operation before taxes	243,132		167,036		3,657		(166,158)		247,667
Income tax expense	1,031		3,548		987		—		5,566
Net income attributable to Summit LLC	$	242,101	$	163,488	$	2,670	$	(166,158)	$	242,101
Comprehensive income attributable to member of Summit Materials, LLC	$	236,491	$	163,488	$	8,280	$	(171,768)	$	236,491

Condensed Consolidating Statements of Operations

For the six months ended July 2, 2022

					Non-
	Issuers		Guarantors		Guarantors		Eliminations		Consolidated
Revenue	$	—	$	1,052,132	$	60,859	$	(5,490)	$	1,107,501
Cost of revenue (excluding items shown separately below)	—		798,647		44,428		(5,490)		837,585
General and administrative expenses	33,223		58,099		3,303		—		94,625
Depreciation, depletion, amortization and accretion	1,518		90,839		5,993		—		98,350
Operating (loss) income	(34,741)		104,547		7,135		—		76,941
Other (income) loss, net	(172,716)		(986)		89		171,940		(1,673)
Interest expense (income)	67,481		(29,473)		2,740		—		40,748
Gain on sale of business	(126,601)		(43,657)		—		—		(170,258)
Income from operation before taxes	197,095		178,663		4,306		(171,940)		208,124
Income tax expense	1,381		9,866		1,163		—		12,410
Net income attributable to Summit LLC	$	195,714	$	168,797	$	3,143	$	(171,940)	$	195,714
Comprehensive income attributable to member of Summit Materials, LLC	$	191,848	$	168,797	$	7,009	$	(175,806)	$	191,848

Condensed Consolidating Statements of Cash Flows

For the six months ended July 1, 2023

					Non-
	Issuers		Guarantors		Guarantors		Eliminations		Consolidated
Net cash (used in) provided by operating activities	$	(62,840)	$	146,620	$	10,262	$	—	$	94,042
Cash flow from investing activities:
Acquisitions, net of cash acquired	—		(237,666)		—		—		(237,666)
Purchase of property, plant and equipment	(6,350)		(117,310)		(3,233)		—		(126,893)
Proceeds from the sale of property, plant, and equipment	—		5,435		325		—		5,760
Other	—		(1,852)		—		—		(1,852)
Net cash used in investing activities	(6,350)		(351,393)		(2,908)		—		(360,651)
Cash flow from financing activities:
Capital distributions to member	(239,264)		239,348		—		—		84
Loans received from and payments made on loans from other Summit Companies	13,332		(12,997)		(1,978)		1,643		—
Payments on long-term debt	(2,548)		(4,172)		—		—		(6,720)
Payments on acquisition-related liabilities	—		(11,539)		—		—		(11,539)
Debt issuance costs	(1,566)		—		—		—		(1,566)
Other	(1,590)		(3,033)		(215)		—		(4,838)
Net cash (used in) provided by financing activities	(231,636)		207,607		(2,193)		1,643		(24,579)
Impact of cash on foreign currency	—		—		747		—		747
Net (decrease) increase in cash	(300,826)		2,834		5,908		1,643		(290,441)
Cash — Beginning of period	498,307		2,864		26,298		(7,018)		520,451
Cash — End of period	$	197,481	$	5,698	$	32,206	$	(5,375)	$	230,010

Condensed Consolidating Statements of Cash Flows

For the six months ended July 2, 2022

					Non-
	Issuers		Guarantors		Guarantors		Eliminations		Consolidated
Net cash (used in) provided by operating activities	$	(63,758)	$	73,145	$	6,867	$	—	$	16,254
Cash flow from investing activities:
Acquisitions, net of cash acquired	—		(1,933)		—		—		(1,933)
Purchase of property, plant and equipment	(5,657)		(121,589)		(2,334)		—		(129,580)
Proceeds from the sale of property, plant, and equipment	—		5,182		245		—		5,427
Proceeds from the sale of a business	—		341,741		—		—		341,741
Other	—		(1,098)		—		—		(1,098)
Net cash (used in) provided by investing activities	(5,657)		222,303		(2,089)		—		214,557
Cash flow from financing activities:
Capital distributions to member	(49,319)		1,933		—		—		(47,386)
Loans received from and payments made on loans from other Summit Companies	275,632		(273,262)		(2,991)		621		—
Payments on long-term debt	(75,553)		(11,268)		—		—		(86,821)
Payments on acquisition-related liabilities	—		(11,577)		—		—		(11,577)
Distributions from partnership	(25)		—		—		—		(25)
Other	(187)		—		—		—		(187)
Net cash provided by (used in) financing activities	150,548		(294,174)		(2,991)		621		(145,996)
Impact of cash on foreign currency	—		—		(461)		—		(461)
Net increase in cash	81,133		1,274		1,326		621		84,354
Cash — Beginning of period	365,044		2,264		18,337		(4,684)		380,961
Cash — End of period	$	446,177	$	3,538	$	19,663	$	(4,063)	$	465,315

XML

Pay vs Performance Disclosure - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022	Jul. 01, 2023	Jul. 02, 2022
Pay vs Performance Disclosure
Net Income (Loss)	$ 83,637	$ 190,113	$ 52,833	$ 155,821

XML

Insider Trading Arrangements	3 Months Ended
	Jul. 01, 2023
Trading Arrangements, by Individual
Rule 10b5-1 Arrangement Adopted	false
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false

XML

SUMMARY OF ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES - (Policies)

6 Months Ended

Jul. 01, 2023

Summary Of Significant Accounting Policies And Recent Accounting Pronouncements [Line Items]

Basis of Presentation

Basis of Presentation—These unaudited consolidated financial statements were prepared in accordance with U.S. generally accepted accounting principles (“U.S. GAAP”) for interim financial information, without audit, pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”). Certain information and footnote disclosures typically included in financial statements prepared in accordance with U.S. GAAP have been condensed or omitted pursuant to such rules and regulations. These unaudited consolidated financial statements should be read in conjunction with the Company's audited consolidated financial statements and the notes thereto as of and for the year ended December 31, 2022. The Company continues to follow the accounting policies set forth in those audited consolidated financial statements.

Management believes that these consolidated interim financial statements include all adjustments, normal and recurring in nature, that are necessary to present fairly the financial position of the Company as of July 1, 2023, the results of operations for the three and six months ended July 1, 2023 and July 2, 2022 and cash flows for the six months ended July 1, 2023 and July 2, 2022.

Principles of Consolidation

Principles of Consolidation—The consolidated financial statements include the accounts of Summit Inc. and its majority owned subsidiaries. All intercompany balances and transactions have been eliminated.

For a summary of the changes in Summit Inc.’s ownership of Summit Holdings, see Note 9, Stockholders’ Equity.

Use of Estimates

Use of Estimates—Preparation of these consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions. These estimates and the underlying assumptions affect the amounts of assets and liabilities reported, disclosures about contingent assets and liabilities and reported amounts of revenue and expenses. Such estimates include the valuation of accounts receivable, inventories, valuation of deferred tax assets, goodwill, intangibles and other long-lived assets, tax receivable agreement ("TRA") liability, pension and other postretirement obligations and asset retirement obligations. Estimates also include revenue earned on contracts and costs to complete contracts. Most of the Company’s paving and related services are performed under fixed unit-price contracts with state and local governmental entities. Management regularly evaluates its estimates and assumptions based on historical experience and other factors, including the current economic environment. As future events and their effects cannot be determined with precision, actual results can differ significantly from estimates made. Changes in estimates, including those resulting from continuing changes in the economic environment, are reflected in the Company’s consolidated financial statements when the change in estimate occurs.

Business and Credit Concentrations

Business and Credit Concentrations—The Company’s operations are conducted primarily across 21 U.S. states and in British Columbia, Canada, with the most significant revenue generated in Texas, Utah, Kansas and Missouri. The Company’s accounts receivable consist primarily of amounts due from customers within these areas. Therefore, collection of these accounts is dependent on the economic conditions in the aforementioned states, as well as specific situations affecting individual customers. Credit granted within the Company’s trade areas has been granted to many customers, and management does not believe that a significant concentration of credit exists with respect to any individual customer or group of customers.

Revenue Recognition

Revenue Recognition—We earn revenue from the sale of products, which primarily include aggregates, cement, ready-mix concrete and asphalt, but also include concrete products and plastics components, and from the provision of services, which are primarily paving and related services, but also include landfill operations, the receipt and disposal of waste that is converted to fuel for use in our cement plants.

Products: Revenue for product sales is recognized when the performance obligation is satisfied, which generally is when the product is shipped. 

Services: We earn revenue from the provision of services, which are primarily paving and related services, which are typically calculated using monthly progress based on a method similar to percentage of completion or a customer’s engineer review of progress.

The majority of our construction service contracts are completed within one year, but may occasionally extend beyond this time frame. The majority of our construction service contracts are for work that occurs mostly during the spring, summer and fall. We generally measure progress toward completion on long-term paving and related services contracts based on the proportion of costs incurred to date relative to total estimated costs at completion.

Estimating costs to be incurred for revenue recognition involves the use of various estimating techniques to project costs at completion, and in some cases includes estimates of recoveries asserted against the customer for changes in specifications or other disputes.

Earnings per Share

Earnings per Share—The Company computes basic earnings per share attributable to stockholders by dividing income attributable to Summit Inc. by the weighted-average shares of Class A common stock outstanding. Diluted earnings per share reflects the potential dilution beyond shares for basic earnings per share that could occur if securities or other contracts to issue common stock were exercised, converted into common stock, or resulted in the issuance of common stock that would have shared in the Company’s earnings. Since the Class B common stock has no economic value, those shares are not included in the weighted-average common share amount for basic or diluted earnings per share. In addition, as the shares of Class A common stock are issued by Summit Inc., the earnings and equity interests of noncontrolling interests are not included in basic earnings per share.

Leases

We lease construction and office equipment, distribution facilities and office space. Leases with an initial term of 12 months or less, including month to month leases, are not recorded on the balance sheet. Lease expense for short-term leases is recognized on a straight line basis over the lease term. For lease agreements we have entered into or reassessed we combine lease and nonlease components. While we also own mineral leases for mining operations, those leases are outside the scope of Accounting Standards Update No. 2016-2, Leases (Topic 842). Assets acquired under finance leases are included in property, plant and equipment.Many of our leases include options to purchase the leased equipment. The depreciable life of assets and leasehold improvements are limited by the expected lease term, unless there is a transfer of title or purchase option reasonably certain of exercise. Our lease agreements do not contain any material residual value guarantees or material restrictive covenants.

Summit Materials, LLC

Summary Of Significant Accounting Policies And Recent Accounting Pronouncements [Line Items]

Basis of Presentation

Basis of Presentation—These unaudited consolidated financial statements were prepared in accordance with U.S. generally accepted accounting principles (“U.S. GAAP”) for interim financial information, without audit, pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”). Certain information and footnote disclosures typically included in financial statements prepared in accordance with U.S. GAAP have been condensed or omitted pursuant to such rules and regulations. These unaudited consolidated financial statements should be read in conjunction with the Company’s audited consolidated financial statements and the notes thereto as of and for the year ended December 31, 2022. The Company continues to follow the accounting policies set forth in those audited consolidated financial statements.

Management believes that these consolidated interim financial statements include all adjustments, normal and recurring in nature, that are necessary to present fairly the financial position of the Company as of July 1, 2023, the results of operations for the three and six months ended July 1, 2023 and July 2, 2022 and cash flows for the six months ended July 1, 2023 and July 2, 2022.

Use of Estimates

Use of Estimates—Preparation of these consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions. These estimates and the underlying assumptions affect the amounts of assets and liabilities reported, disclosures about contingent assets and liabilities and reported amounts of revenue and expenses. Such estimates include the valuation of accounts receivable, inventories, valuation of deferred tax assets, goodwill, intangibles and other long-lived assets, pension and other postretirement obligations and asset retirement obligations. Estimates also include revenue earned on contracts and costs to complete contracts. Most of the Company’s paving and related services are performed under fixed unit-price contracts with state and local governmental entities. Management regularly evaluates its estimates and assumptions based on historical experience and other factors, including the current economic environment. As future events and their effects cannot be determined with precision, actual results can differ significantly from estimates made. Changes in estimates, including those resulting from continuing changes in the economic environment, are reflected in the Company’s consolidated financial statements when the change in estimate occurs.

Business and Credit Concentrations

Business and Credit Concentrations—The Company’s operations are conducted primarily across 21 U.S. states and in British Columbia, Canada, with the most significant revenue generated in Texas, Utah, Kansas and Missouri. The Company’s accounts receivable consist primarily of amounts due from customers within these areas. Therefore, collection of these accounts is dependent on the economic conditions in the aforementioned states, as well as specific situations affecting individual customers. Credit granted within the Company’s trade areas has been granted to many customers, and management does not believe that a significant concentration of credit exists with respect to any individual customer or group of customers. No single customer accounted for more than 10% of the Company’s total revenue in the three and six months ended July 1, 2023 or July 2, 2022.

Revenue Recognition

Revenue Recognition—We earn revenue from the sale of products, which primarily include aggregates, cement, ready-mix concrete and asphalt, but also include concrete products and plastics components, and from the provision of services, which are primarily paving and related services, but also include landfill operations, the receipt and disposal of waste that is converted to fuel for use in our cement plants.

Products: Revenue for product sales is recognized when the performance obligation is satisfied, which generally is when the product is shipped.

Services: We earn revenue from the provision of services, which are primarily paving and related services, which are typically calculated using monthly progress based on a method similar to percentage of completion or a customer’s engineer review of progress.

The majority of our construction service contracts are completed within one year, but may occasionally extend beyond this time frame. The majority of our construction service contracts are for work that occurs mostly during the spring, summer and fall. We generally measure progress toward completion on long-term paving and related services contracts based on the proportion of costs incurred to date relative to total estimated costs at completion.

Estimating costs to be incurred for revenue recognition involves the use of various estimating techniques to project costs at completion, and in some cases includes estimates of recoveries asserted against the customer for changes in specifications or other disputes.

Leases

We lease construction and office equipment, distribution facilities and office space. Leases with an initial term of 12 months or less, including month to month leases, are not recorded on the balance sheet. Lease expense for short-term leases is recognized on a straight line basis over the lease term. For lease agreements we have entered into or reassessed, we combine lease and nonlease components. While we also own mineral leases for mining operations, those leases are outside the scope of Accounting Standards Update No. 2016-2, Leases (Topic 842). Assets acquired under finance leases are included in property, plant and equipment.

Many of our leases include options to purchase the leased equipment. The depreciable life of assets and leasehold improvements are limited by the expected lease term, unless there is a transfer of title or purchase option reasonably certain of

exercise. Our lease agreements do not contain any material residual value guarantees or material restrictive covenants.

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ACQUISITIONS, DISPOSTIONS, GOODWILL AND INTANGIBLES - (Tables)

6 Months Ended

Jul. 01, 2023

Business Acquisition [Line Items]

Schedule Of Acquisitions By Region

The following table summarizes the Company’s acquisitions by region and period:

	Six months ended	Year ended
	July 1, 2023	December 31, 2022
West	3	—
East	1	2

Schedule of Assets Acquired and Liabilities Assumed

The following table summarizes aggregated information regarding the fair values of the assets acquired and liabilities assumed as of the respective acquisition dates:

	Six months ended		Year ended
	July 1, 2023		December 31, 2022
Financial assets	$	13,104	$	297
Inventories	6,521		161
Property, plant and equipment	137,394		30,041
Other assets	458		1,116
Financial liabilities	(11,925)		(1,120)
Other long-term liabilities	(768)		(1,589)
Net assets acquired	144,784		28,906
Goodwill	94,564		—
Purchase price	239,348		28,906
Acquisition-related liabilities	—		(6,176)
Other	(1,682)		—
Net cash paid for acquisitions	$	237,666	$	22,730

Schedule of Goodwill by Reportable Segment and in Total

Changes in the carrying amount of goodwill, by reportable segment, from December 31, 2022 to July 1, 2023 are summarized as follows:

	West		East		Cement		Total
Balance—December 31, 2022	$	566,389	$	361,501	$	204,656	$	1,132,546
Acquisitions (1)	94,564		—		—		94,564
Foreign currency translation adjustments	1,358		—		—		1,358
Balance—July 1, 2023	$	662,311	$	361,501	$	204,656	$	1,228,468

_______________________________________________________________________

(1) Reflects goodwill from 2023 acquisitions.

Schedule of Intangible Assets by Type and in Total

The following table shows intangible assets by type and in total:

	July 1, 2023						December 31, 2022
	Gross  Carrying  Amount		Accumulated  Amortization		Net  Carrying  Amount		Gross  Carrying  Amount		Accumulated  Amortization		Net  Carrying  Amount
Operating permits	$	38,677	$	(4,926)	$	33,751	$	38,677	$	(4,109)	$	34,568
Mineral leases	17,778		(7,228)		10,550		18,091		(7,056)		11,035
Reserve rights	25,586		(4,608)		20,978		25,242		(3,872)		21,370
Other	4,994		(559)		4,435		4,877		(466)		4,411
Total intangible assets	$	87,035	$	(17,321)	$	69,714	$	86,887	$	(15,503)	$	71,384

Schedule of Estimated Amortization Expense for Intangible Assets

The estimated amortization expense for the intangible assets for each of the five years subsequent to July 1, 2023 is as follows:

2023 (six months)	$	1,999
2024	4,006
2025	3,965
2026	3,916
2027	3,904
2028	3,906
Thereafter	48,018
Total	$	69,714

Summit Materials, LLC

Business Acquisition [Line Items]

Schedule Of Acquisitions By Region

The following table summarizes the Company’s acquisitions by region and period:

	Six months ended	Year ended
	July 1, 2023	December 31, 2022
West	3	—
East	1	2

Schedule of Assets Acquired and Liabilities Assumed

The following table summarizes aggregated information regarding the fair values of the assets acquired and liabilities assumed as of the respective acquisition dates:

	Six months ended		Year ended
	July 1, 2023		December 31, 2022
Financial assets	$	13,104	$	297
Inventories	6,521		161
Property, plant and equipment	137,394		30,041
Other assets	458		1,116
Financial liabilities	(11,925)		(1,120)
Other long-term liabilities	(768)		(1,589)
Net assets acquired	144,784		28,906
Goodwill	94,564		—
Purchase price	239,348		28,906
Acquisition-related liabilities	—		(6,176)
Other	(1,682)		—
Net cash paid for acquisitions	$	237,666	$	22,730

Schedule of Goodwill by Reportable Segment and in Total

Changes in the carrying amount of goodwill, by reportable segment, from December 31, 2022 to July 1, 2023 are summarized as follows:

	West		East		Cement		Total
Balance—December 31, 2022	$	567,389	$	361,501	$	204,656	$	1,133,546
Acquisitions (1)	94,564		—		—		94,564
Foreign currency translation adjustments	1,358		—		—		1,358
Balance—July 1, 2023	$	663,311	$	361,501	$	204,656	$	1,229,468

_______________________________________________________________________

(1) Reflects goodwill from 2023 acquisitions.

Schedule of Intangible Assets by Type and in Total

The following table shows intangible assets by type and in total:

	July 1, 2023						December 31, 2022
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Operating permits	$	38,677	$	(4,926)	$	33,751	$	38,677	$	(4,109)	$	34,568
Mineral leases	17,778		(7,228)		10,550		18,091		(7,056)		11,035
Reserve rights	25,586		(4,608)		20,978		25,242		(3,872)		21,370
Other	4,994		(559)		4,435		4,877		(466)		4,411
Total intangible assets	$	87,035	$	(17,321)	$	69,714	$	86,887	$	(15,503)	$	71,384

Schedule of Estimated Amortization Expense for Intangible Assets

The estimated amortization expense for the intangible assets for each of the five years subsequent to July 1, 2023 is as follows:

2023 (six months)	$	1,999
2024	4,006
2025	3,965
2026	3,916
2027	3,904
2028	3,906
Thereafter	48,018
Total	$	69,714

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REVENUE RECOGNITION - (Tables)

6 Months Ended

Jul. 01, 2023

Revenue from External Customer [Line Items]

Schedule of Revenue by Product

Revenue by product for the three and six months ended July 1, 2023 and July 2, 2022 is as follows:

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Revenue by product*:
Aggregates	$	182,512	$	161,480	$	326,165	$	284,873
Cement	103,607		86,815		152,620		129,369
Ready-mix concrete	199,570		183,357		338,348		340,920
Asphalt	91,809		94,141		118,444		111,279
Paving and related services	89,374		98,610		116,558		129,220
Other	62,278		62,151		112,403		111,840
Total revenue	$	729,150	$	686,554	$	1,164,538	$	1,107,501

*Revenue from liquid asphalt terminals is included in asphalt revenue.

Schedule of Accounts Receivable, Net

Accounts receivable, net consisted of the following as of July 1, 2023 and December 31, 2022: 

	July 1, 2023		December 31, 2022
Trade accounts receivable	$	314,590	$	215,766
Construction contract receivables	52,932		37,067
Retention receivables	10,461		11,048
Accounts receivable	377,983		263,881
Less: Allowance for doubtful accounts	(7,479)		(7,212)
Accounts receivable, net	$	370,504	$	256,669

Summit Materials, LLC

Revenue from External Customer [Line Items]

Schedule of Revenue by Product

Revenue by product for the three and six months ended July 1, 2023 and July 2, 2022 is as follows:

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Revenue by product*:
Aggregates	$	182,512	$	161,480	$	326,165	$	284,873
Cement	103,607		86,815		152,620		129,369
Ready-mix concrete	199,570		183,357		338,348		340,920
Asphalt	91,809		94,141		118,444		111,279
Paving and related services	89,374		98,610		116,558		129,220
Other	62,278		62,151		112,403		111,840
Total revenue	$	729,150	$	686,554	$	1,164,538	$	1,107,501

*Revenue from liquid asphalt terminals is included in asphalt revenue.

Schedule of Accounts Receivable, Net

Accounts receivable, net consisted of the following as of July 1, 2023 and December 31, 2022:

	July 1, 2023		December 31, 2022
Trade accounts receivable	$	314,590	$	215,766
Construction contract receivables	52,932		37,067
Retention receivables	10,461		11,048
Accounts receivable	377,983		263,881
Less: Allowance for doubtful accounts	(7,479)		(7,212)
Accounts receivable, net	$	370,504	$	256,669

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INVENTORIES - (Tables)

6 Months Ended

Jul. 01, 2023

Inventory [Line Items]

Schedule of Components of Inventories

Inventories consisted of the following as of July 1, 2023 and December 31, 2022: 

	July 1, 2023		December 31, 2022
Aggregate stockpiles	$	157,272	$	148,347
Finished goods	55,877		33,622
Work in process	9,806		8,191
Raw materials	23,320		22,331
Total	$	246,275	$	212,491

Summit Materials, LLC

Inventory [Line Items]

Schedule of Components of Inventories

Inventories consisted of the following as of July 1, 2023 and December 31, 2022:

	July 1, 2023		December 31, 2022
Aggregate stockpiles	$	157,272	$	148,347
Finished goods	55,877		33,622
Work in process	9,806		8,191
Raw materials	23,320		22,331
Total	$	246,275	$	212,491

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ACCRUED EXPENSES - (Tables)

6 Months Ended

Jul. 01, 2023

Schedule Of Accrued Expenses [Line Items]

Schedule of Components of Accrued Expenses

Accrued expenses consisted of the following as of July 1, 2023 and December 31, 2022:

	July 1, 2023		December 31, 2022
Interest	$	36,037	$	24,625
Payroll and benefits	40,602		34,485
Finance lease obligations	3,499		6,959
Insurance	21,314		18,127
Current portion of TRA liability and non-income taxes	13,976		4,360
Deferred asset purchase payments	5,824		5,131
Professional fees	1,755		924
Other (1)	25,653		25,356
Total	$	148,660	$	119,967

(1)Consists primarily of current portion of asset retirement obligations and miscellaneous accruals.

Summit Materials, LLC

Schedule Of Accrued Expenses [Line Items]

Schedule of Components of Accrued Expenses

Accrued expenses consisted of the following as of July 1, 2023 and December 31, 2022:

	July 1, 2023		December 31, 2022
Interest	$	36,037	$	24,625
Payroll and benefits	40,602		34,485
Finance lease obligations	3,499		6,959
Insurance	21,314		18,127
Non-income taxes	10,061		5,101
Deferred asset purchase payments	5,824		5,131
Professional fees	1,755		924
Other (1)	25,653		25,356
Total	$	144,745	$	120,708

_______________________________________________________________________

(1) Consists primarily of current portion of asset retirement obligations and miscellaneous accruals.

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DEBT - (Tables)

6 Months Ended

Jul. 01, 2023

Debt Instrument [Line Items]

Schedule of Debt

Debt consisted of the following as of July 1, 2023 and December 31, 2022: 

	July 1, 2023		December 31, 2022
Term Loan, due 2027:
$507.0 million and $509.6 million, net of $4.5 million and $5.0 million discount at July 1, 2023 and December 31, 2022, respectively	$	502,511	$	504,549
61⁄2% Senior Notes, due 2027	300,000		300,000
51⁄4% Senior Notes, due 2029	700,000		700,000
Total	1,502,511		1,504,549
Current portion of long-term debt	5,096		5,096
Long-term debt	$	1,497,415	$	1,499,453

Schedule of Contractual Payments of Long-Term Debt

The contractual payments of long-term debt, including current maturities, for the five years subsequent to July 1, 2023, are as follows:

2023 (six months)	$	2,548
2024	3,822
2025	6,369
2026	5,096
2027	789,177
2028	—
Thereafter	700,000
Total	1,507,012
Less: Original issue net discount	(4,501)
Less: Capitalized loan costs	(10,126)
Total debt	$	1,492,385

Shedule of Activity for Deferred Financing Fees

The following table presents the activity for the deferred financing fees for the six months ended July 1, 2023 and July 2, 2022:

	Deferred financing fees
Balance—December 31, 2022	$	11,489
Loan origination fees	1,566
Amortization	(1,227)
Write off of deferred financing fees	(160)
Balance—July 1, 2023	$	11,668
Balance—January 1, 2022	$	13,049
Amortization	(1,384)
Balance—July 2, 2022	$	11,665

Summit Materials, LLC

Debt Instrument [Line Items]

Schedule of Debt

Debt consisted of the following as of July 1, 2023 and December 31, 2022:

	July 1, 2023		December 31, 2022
Term Loan, due 2027:
$507.0 million and $509.6 million, net of $4.5 million and $5.0 million discount at July 1, 2023 and December 31, 2022, respectively	$	502,511	$	504,549
6 1/2% Senior Notes, due 2027	300,000		300,000
5 1/4% Senior Notes, due 2029	700,000		700,000
Total	1,502,511		1,504,549
Current portion of long-term debt	5,096		5,096
Long-term debt	$	1,497,415	$	1,499,453

Schedule of Contractual Payments of Long-Term Debt

The contractual payments of long-term debt, including current maturities, for the five years subsequent to July 1, 2023, are as follows:

2023 (six months)	$	2,548
2024	3,822
2025	6,369
2026	5,096
2027	789,177
2028	—
Thereafter	700,000
Total	1,507,012
Less: Original issue net discount	(4,501)
Less: Capitalized loan costs	(10,126)
Total debt	$	1,492,385

Shedule of Activity for Deferred Financing Fees

The following table presents the activity for the deferred financing fees for the six months ended July 1, 2023 and July 2, 2022:

	Deferred financing fees
Balance—December 31, 2022	$	11,489
Loan origination fees	1,566
Amortization	(1,227)
Write off of deferred financing fees	(160)
Balance—July 1, 2023	$	11,668
Balance - January 1, 2022	$	13,049
Amortization	(1,384)
Balance -July 2, 2022	$	11,665

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EARNINGS PER SHARE - (Tables)

6 Months Ended

Jul. 01, 2023

Earnings Per Share [Abstract]

Schedule of Basic Earnings Per Share

The following table shows the calculation of basic and diluted earnings per share:

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Net income attributable to Summit Inc.	$	83,637	$	190,113	$	52,833	$	155,821
Weighted average shares of Class A stock outstanding	118,848,214		120,078,273		118,706,385		120,417,414
Add: Nonvested restricted stock awards of retirement eligible shares	83,700		143,821		99,400		151,973
Weighted average shares outstanding	118,931,914		120,222,094		118,805,785		120,569,387
Basic earnings per share	$	0.70	$	1.58	$	0.44	$	1.29
Diluted net income attributable to Summit Inc.	$	83,637	$	190,113	$	52,833	$	155,821
Weighted average shares outstanding	118,931,914		120,222,094		118,805,785		120,569,387
Add: stock options	100,895		76,161		99,102		101,094
Add: warrants	13,194		10,413		12,978		12,844
Add: restricted stock units	193,011		257,454		340,958		533,242
Add: performance stock units	154,695		94,599		172,781		157,601
Weighted average dilutive shares outstanding	119,393,709		120,660,721		119,431,604		121,374,168
Diluted earnings per share	$	0.70	$	1.58	$	0.44	$	1.28

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

Excluded from the above calculations were the shares noted below as they were antidilutive:

	Three months ended		Six months ended
	July 1, 2023	July 2, 2022	July 1, 2023	July 2, 2022
Antidilutive shares:
LP Units	1,310,004	1,314,006	1,310,630	1,314,006

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STOCKHOLDERS' EQUITY/MEMBERS' INTEREST - (Tables)

6 Months Ended

Jul. 01, 2023

Schedule of Capitalization, Equity [Line Items]

Schedule of Changes in Ownership of Summit Holdings

The following table summarizes the changes in our ownership of Summit Holdings:

	Summit Inc. Shares (Class A)	LP Units	Total	Summit Inc. Ownership Percentage
Balance — December 31, 2022	118,408,655	1,312,004	119,720,659	98.9	%
Exchanges during period	2,000	(2,000)	—
Stock option exercises	4,240	—	4,240
Other equity transactions	471,379	—	471,379
Balance — July 1, 2023	118,886,274	1,310,004	120,196,278	98.9	%
Balance — January 1, 2022	120,684,322	1,314,006	121,998,328	98.9	%
Stock option exercises	6,518	—	6,518
Repurchases of common stock	(1,506,878)	—	(1,506,878)
Other equity transactions	909,864	—	909,864
Balance — July 2, 2022	120,093,826	1,314,006	121,407,832	98.9	%

Schedule of Changes in Each Component of Accumulated Other Comprehensive Income (Loss)

The changes in each component of accumulated other comprehensive income (loss) consisted of the following:

	Change in  retirement plans		Foreign currency  translation  adjustments		Accumulated  other  comprehensive  income (loss)
Balance — December 31, 2022	$	6,356	$	(3,272)	$	3,084
Foreign currency translation adjustment, net of tax	—		3,242		3,242
Balance — July 1, 2023	$	6,356	$	(30)	$	6,326
Balance — January 1, 2022	$	1,508	$	5,575	$	7,083
Foreign currency translation adjustment, net of tax	—		(2,890)		(2,890)
Balance — July 2, 2022	$	1,508	$	2,685	$	4,193

Summit Materials, LLC

Schedule of Capitalization, Equity [Line Items]

Schedule of Changes in Each Component of Accumulated Other Comprehensive Income (Loss)

The changes in each component of accumulated other comprehensive income (loss) consisted of the following:

					Accumulated
			Foreign currency		other
	Change in		translation		comprehensive
	retirement plans		adjustments		(loss) income
Balance — December 31, 2022	$	(762)	$	(20,614)	$	(21,376)
Foreign currency translation adjustment	—		4,105		4,105
Balance — July 1, 2023	$	(762)	$	(16,509)	$	(17,271)
Balance — January 1, 2022	$	(7,243)	$	(8,783)	$	(16,026)
Foreign currency translation adjustment	—		(3,866)		(3,866)
Balance — July 2, 2022	$	(7,243)	$	(12,649)	$	(19,892)

XML

SUPPLEMENTAL CASH FLOW INFORMATION - (Tables)

6 Months Ended

Jul. 01, 2023

Schedule Of Cash Flow Supplemental [Line Items]

Schedule of Supplemental Cash Flow Information

Supplemental cash flow information is as follows:

	Six months ended
	July 1, 2023		July 2, 2022
Cash payments:
Interest	$	38,107	$	36,115
Payments for income taxes, net	6,941		8,503
Operating cash payments on operating leases	4,801		4,652
Operating cash payments on finance leases	282		646
Finance cash payments on finance leases	5,223		11,297
Non cash investing and financing activities:
Accrued liabilities for purchases of property, plant and equipment	$	14,994	$	20,225
Right of use assets obtained in exchange for operating lease obligations	2,050		9,312
Right of use assets obtained in exchange for finance leases obligations	413		258
Exchange of LP Units to shares of Class A common stock	60		—

Summit Materials, LLC

Schedule Of Cash Flow Supplemental [Line Items]

Schedule of Supplemental Cash Flow Information

Supplemental cash flow information is as follows:

	Six months ended
	July 1, 2023		July 2, 2022
Cash payments:
Interest	$	38,107	$	36,115
Payments for income taxes, net	6,941		8,503
Operating cash payments on operating leases	4,801		4,652
Operating cash payments on finance leases	282		646
Finance cash payments on finance leases	5,223		11,297
Non cash investing and financing activities:
Accrued liabilities for purchases of property, plant and equipment	$	14,994	$	20,225
Right of use assets obtained in exchange for operating lease obligations	2,050		9,312
Right of use assets obtained in exchange for finance leases obligations	413		258

XML

LEASES - (Tables)

6 Months Ended

Jul. 01, 2023

Lessee, Lease, Description [Line Items]

Schedule of Lease Cost

The components of lease expense were as follows:

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023			July 2, 2022
Operating lease cost	$	2,697	$	2,271	$	5,338		$	4,783
Variable lease cost	34		42		64			155
Short-term lease cost	10,184		10,933		17,454			19,181
Financing lease cost:
Amortization of right-of-use assets	714		1,377		1,532			3,363
Interest on lease liabilities	133		271		281			640
Total lease cost	$	13,762	$	14,894	$	24,669		$	28,122
					July 1, 2023			December 31, 2022
Supplemental balance sheet information related to leases:
Operating leases:
Operating lease right-of-use assets					$	36,013		$	37,889
Current operating lease liabilities					$	7,707		$	7,296
Noncurrent operating lease liabilities					33,563			35,737
Total operating lease liabilities					$	41,270		$	43,033
Finance leases:
Property and equipment, gross					$	21,515		$	32,119
Less accumulated depreciation					(10,101)			(14,992)
Property and equipment, net					$	11,414		$	17,127
Current finance lease liabilities					$	3,499		$	6,959
Long-term finance lease liabilities					5,820			7,167
Total finance lease liabilities					$	9,319		$	14,126
Weighted average remaining lease term (years):
Operating leases					8.8			9.1
Finance lease					3.5			2.8
Weighted average discount rate:
Operating leases					4.8		%	4.7		%
Finance leases					5.7		%	5.3		%
Maturities of lease liabilities, as of July 1, 2023, were as follows:
					Operating Leases			Finance Leases
2023 (six months)					$	4,831		$	2,142
2024					8,762			3,052
2025					6,787			2,435
2026					5,242			990
2027					4,233			760
2028					3,432			513
Thereafter					17,664			570
Total lease payments					50,951			10,462
Less imputed interest					(9,681)			(1,143)
Present value of lease payments					$	41,270		$	9,319

Schedule of Lease Assets and Liabilities

The components of lease expense were as follows:

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023			July 2, 2022
Operating lease cost	$	2,697	$	2,271	$	5,338		$	4,783
Variable lease cost	34		42		64			155
Short-term lease cost	10,184		10,933		17,454			19,181
Financing lease cost:
Amortization of right-of-use assets	714		1,377		1,532			3,363
Interest on lease liabilities	133		271		281			640
Total lease cost	$	13,762	$	14,894	$	24,669		$	28,122
					July 1, 2023			December 31, 2022
Supplemental balance sheet information related to leases:
Operating leases:
Operating lease right-of-use assets					$	36,013		$	37,889
Current operating lease liabilities					$	7,707		$	7,296
Noncurrent operating lease liabilities					33,563			35,737
Total operating lease liabilities					$	41,270		$	43,033
Finance leases:
Property and equipment, gross					$	21,515		$	32,119
Less accumulated depreciation					(10,101)			(14,992)
Property and equipment, net					$	11,414		$	17,127
Current finance lease liabilities					$	3,499		$	6,959
Long-term finance lease liabilities					5,820			7,167
Total finance lease liabilities					$	9,319		$	14,126
Weighted average remaining lease term (years):
Operating leases					8.8			9.1
Finance lease					3.5			2.8
Weighted average discount rate:
Operating leases					4.8		%	4.7		%
Finance leases					5.7		%	5.3		%
Maturities of lease liabilities, as of July 1, 2023, were as follows:
					Operating Leases			Finance Leases
2023 (six months)					$	4,831		$	2,142
2024					8,762			3,052
2025					6,787			2,435
2026					5,242			990
2027					4,233			760
2028					3,432			513
Thereafter					17,664			570
Total lease payments					50,951			10,462
Less imputed interest					(9,681)			(1,143)
Present value of lease payments					$	41,270		$	9,319

Schedule of Finance Lease Liability Maturities

The components of lease expense were as follows:

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023			July 2, 2022
Operating lease cost	$	2,697	$	2,271	$	5,338		$	4,783
Variable lease cost	34		42		64			155
Short-term lease cost	10,184		10,933		17,454			19,181
Financing lease cost:
Amortization of right-of-use assets	714		1,377		1,532			3,363
Interest on lease liabilities	133		271		281			640
Total lease cost	$	13,762	$	14,894	$	24,669		$	28,122
					July 1, 2023			December 31, 2022
Supplemental balance sheet information related to leases:
Operating leases:
Operating lease right-of-use assets					$	36,013		$	37,889
Current operating lease liabilities					$	7,707		$	7,296
Noncurrent operating lease liabilities					33,563			35,737
Total operating lease liabilities					$	41,270		$	43,033
Finance leases:
Property and equipment, gross					$	21,515		$	32,119
Less accumulated depreciation					(10,101)			(14,992)
Property and equipment, net					$	11,414		$	17,127
Current finance lease liabilities					$	3,499		$	6,959
Long-term finance lease liabilities					5,820			7,167
Total finance lease liabilities					$	9,319		$	14,126
Weighted average remaining lease term (years):
Operating leases					8.8			9.1
Finance lease					3.5			2.8
Weighted average discount rate:
Operating leases					4.8		%	4.7		%
Finance leases					5.7		%	5.3		%
Maturities of lease liabilities, as of July 1, 2023, were as follows:
					Operating Leases			Finance Leases
2023 (six months)					$	4,831		$	2,142
2024					8,762			3,052
2025					6,787			2,435
2026					5,242			990
2027					4,233			760
2028					3,432			513
Thereafter					17,664			570
Total lease payments					50,951			10,462
Less imputed interest					(9,681)			(1,143)
Present value of lease payments					$	41,270		$	9,319

Schedule of Operating Lease Liability Maturities

The components of lease expense were as follows:

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023			July 2, 2022
Operating lease cost	$	2,697	$	2,271	$	5,338		$	4,783
Variable lease cost	34		42		64			155
Short-term lease cost	10,184		10,933		17,454			19,181
Financing lease cost:
Amortization of right-of-use assets	714		1,377		1,532			3,363
Interest on lease liabilities	133		271		281			640
Total lease cost	$	13,762	$	14,894	$	24,669		$	28,122
					July 1, 2023			December 31, 2022
Supplemental balance sheet information related to leases:
Operating leases:
Operating lease right-of-use assets					$	36,013		$	37,889
Current operating lease liabilities					$	7,707		$	7,296
Noncurrent operating lease liabilities					33,563			35,737
Total operating lease liabilities					$	41,270		$	43,033
Finance leases:
Property and equipment, gross					$	21,515		$	32,119
Less accumulated depreciation					(10,101)			(14,992)
Property and equipment, net					$	11,414		$	17,127
Current finance lease liabilities					$	3,499		$	6,959
Long-term finance lease liabilities					5,820			7,167
Total finance lease liabilities					$	9,319		$	14,126
Weighted average remaining lease term (years):
Operating leases					8.8			9.1
Finance lease					3.5			2.8
Weighted average discount rate:
Operating leases					4.8		%	4.7		%
Finance leases					5.7		%	5.3		%
Maturities of lease liabilities, as of July 1, 2023, were as follows:
					Operating Leases			Finance Leases
2023 (six months)					$	4,831		$	2,142
2024					8,762			3,052
2025					6,787			2,435
2026					5,242			990
2027					4,233			760
2028					3,432			513
Thereafter					17,664			570
Total lease payments					50,951			10,462
Less imputed interest					(9,681)			(1,143)
Present value of lease payments					$	41,270		$	9,319

Summit Materials, LLC

Lessee, Lease, Description [Line Items]

Schedule of Lease Cost

The components of lease expense were as follows:

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023			July 2, 2022
Operating lease cost	$	2,697	$	2,271	$	5,338		$	4,783
Variable lease cost	34		42		64			155
Short-term lease cost	10,184		10,933		17,454			19,181
Financing lease cost:
Amortization of right-of-use assets	714		1,377		1,532			3,363
Interest on lease liabilities	133		271		281			640
Total lease cost	$	13,762	$	14,894	$	24,669		$	28,122
					July 1, 2023			December 31, 2022
Supplemental balance sheet information related to leases:
Operating leases:
Operating lease right-of-use assets					$	36,013		$	37,889
Current operating lease liabilities					$	7,707		$	7,296
Noncurrent operating lease liabilities					33,563			35,737
Total operating lease liabilities					$	41,270		$	43,033
Finance leases:
Property and equipment, gross					$	21,515		$	32,119
Less accumulated depreciation					(10,101)			(14,992)
Property and equipment, net					$	11,414		$	17,127
Current finance lease liabilities					$	3,499		$	6,959
Long-term finance lease liabilities					5,820			7,167
Total finance lease liabilities					$	9,319		$	14,126
Weighted average remaining lease term (years):
Operating leases					8.8			9.1
Finance lease					3.5			2.8
Weighted average discount rate:
Operating leases					4.8		%	4.7		%
Finance leases					5.7		%	5.3		%
Maturities of lease liabilities, as of July 1, 2023, were as follows:
					Operating Leases			Finance Leases
2023 (six months)					$	4,831		$	2,142
2024					8,762			3,052
2025					6,787			2,435
2026					5,242			990
2027					4,233			760
2028					3,432			513
Thereafter					17,664			570
Total lease payments					50,951			10,462
Less imputed interest					(9,681)			(1,143)
Present value of lease payments					$	41,270		$	9,319

Schedule of Lease Assets and Liabilities

The components of lease expense were as follows:

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023			July 2, 2022
Operating lease cost	$	2,697	$	2,271	$	5,338		$	4,783
Variable lease cost	34		42		64			155
Short-term lease cost	10,184		10,933		17,454			19,181
Financing lease cost:
Amortization of right-of-use assets	714		1,377		1,532			3,363
Interest on lease liabilities	133		271		281			640
Total lease cost	$	13,762	$	14,894	$	24,669		$	28,122
					July 1, 2023			December 31, 2022
Supplemental balance sheet information related to leases:
Operating leases:
Operating lease right-of-use assets					$	36,013		$	37,889
Current operating lease liabilities					$	7,707		$	7,296
Noncurrent operating lease liabilities					33,563			35,737
Total operating lease liabilities					$	41,270		$	43,033
Finance leases:
Property and equipment, gross					$	21,515		$	32,119
Less accumulated depreciation					(10,101)			(14,992)
Property and equipment, net					$	11,414		$	17,127
Current finance lease liabilities					$	3,499		$	6,959
Long-term finance lease liabilities					5,820			7,167
Total finance lease liabilities					$	9,319		$	14,126
Weighted average remaining lease term (years):
Operating leases					8.8			9.1
Finance lease					3.5			2.8
Weighted average discount rate:
Operating leases					4.8		%	4.7		%
Finance leases					5.7		%	5.3		%
Maturities of lease liabilities, as of July 1, 2023, were as follows:
					Operating Leases			Finance Leases
2023 (six months)					$	4,831		$	2,142
2024					8,762			3,052
2025					6,787			2,435
2026					5,242			990
2027					4,233			760
2028					3,432			513
Thereafter					17,664			570
Total lease payments					50,951			10,462
Less imputed interest					(9,681)			(1,143)
Present value of lease payments					$	41,270		$	9,319

Schedule of Finance Lease Liability Maturities

The components of lease expense were as follows:

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023			July 2, 2022
Operating lease cost	$	2,697	$	2,271	$	5,338		$	4,783
Variable lease cost	34		42		64			155
Short-term lease cost	10,184		10,933		17,454			19,181
Financing lease cost:
Amortization of right-of-use assets	714		1,377		1,532			3,363
Interest on lease liabilities	133		271		281			640
Total lease cost	$	13,762	$	14,894	$	24,669		$	28,122
					July 1, 2023			December 31, 2022
Supplemental balance sheet information related to leases:
Operating leases:
Operating lease right-of-use assets					$	36,013		$	37,889
Current operating lease liabilities					$	7,707		$	7,296
Noncurrent operating lease liabilities					33,563			35,737
Total operating lease liabilities					$	41,270		$	43,033
Finance leases:
Property and equipment, gross					$	21,515		$	32,119
Less accumulated depreciation					(10,101)			(14,992)
Property and equipment, net					$	11,414		$	17,127
Current finance lease liabilities					$	3,499		$	6,959
Long-term finance lease liabilities					5,820			7,167
Total finance lease liabilities					$	9,319		$	14,126
Weighted average remaining lease term (years):
Operating leases					8.8			9.1
Finance lease					3.5			2.8
Weighted average discount rate:
Operating leases					4.8		%	4.7		%
Finance leases					5.7		%	5.3		%
Maturities of lease liabilities, as of July 1, 2023, were as follows:
					Operating Leases			Finance Leases
2023 (six months)					$	4,831		$	2,142
2024					8,762			3,052
2025					6,787			2,435
2026					5,242			990
2027					4,233			760
2028					3,432			513
Thereafter					17,664			570
Total lease payments					50,951			10,462
Less imputed interest					(9,681)			(1,143)
Present value of lease payments					$	41,270		$	9,319

Schedule of Operating Lease Liability Maturities

The components of lease expense were as follows:

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023			July 2, 2022
Operating lease cost	$	2,697	$	2,271	$	5,338		$	4,783
Variable lease cost	34		42		64			155
Short-term lease cost	10,184		10,933		17,454			19,181
Financing lease cost:
Amortization of right-of-use assets	714		1,377		1,532			3,363
Interest on lease liabilities	133		271		281			640
Total lease cost	$	13,762	$	14,894	$	24,669		$	28,122
					July 1, 2023			December 31, 2022
Supplemental balance sheet information related to leases:
Operating leases:
Operating lease right-of-use assets					$	36,013		$	37,889
Current operating lease liabilities					$	7,707		$	7,296
Noncurrent operating lease liabilities					33,563			35,737
Total operating lease liabilities					$	41,270		$	43,033
Finance leases:
Property and equipment, gross					$	21,515		$	32,119
Less accumulated depreciation					(10,101)			(14,992)
Property and equipment, net					$	11,414		$	17,127
Current finance lease liabilities					$	3,499		$	6,959
Long-term finance lease liabilities					5,820			7,167
Total finance lease liabilities					$	9,319		$	14,126
Weighted average remaining lease term (years):
Operating leases					8.8			9.1
Finance lease					3.5			2.8
Weighted average discount rate:
Operating leases					4.8		%	4.7		%
Finance leases					5.7		%	5.3		%
Maturities of lease liabilities, as of July 1, 2023, were as follows:
					Operating Leases			Finance Leases
2023 (six months)					$	4,831		$	2,142
2024					8,762			3,052
2025					6,787			2,435
2026					5,242			990
2027					4,233			760
2028					3,432			513
Thereafter					17,664			570
Total lease payments					50,951			10,462
Less imputed interest					(9,681)			(1,143)
Present value of lease payments					$	41,270		$	9,319

XML

FAIR VALUE - (Tables)

6 Months Ended

Jul. 01, 2023

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Schedule of Contingent Consideration and Derivatives Measured at Fair Value

The fair value of contingent consideration as of July 1, 2023 and December 31, 2022 was:

	July 1, 2023		December 31, 2022
Current portion of acquisition-related liabilities and Accrued expenses:
Contingent consideration	$	336	$	336
Acquisition-related liabilities and Other noncurrent liabilities:
Contingent consideration	$	5,102	$	4,981

Schedule of Carrying Value and Fair Value of Financial Instruments

The carrying value and fair value of these financial instruments as of July 1, 2023 and December 31, 2022 was:

	July 1, 2023				December 31, 2022
	Fair Value		Carrying Value		Fair Value		Carrying Value
Level 1
Long-term debt(1)	$	1,456,913	$	1,502,511	$	1,447,673	$	1,504,549
Level 3
Current portion of deferred consideration and noncompete obligations(2)	6,907		6,907		13,382		13,382
Long term portion of deferred consideration and noncompete obligations(3)	18,401		18,401		24,070		24,070

(1)$5.1 million was included in current portion of debt as of July 1, 2023 and December 31, 2022.

(2)Included in current portion of acquisition-related liabilities on the consolidated balance sheets.

(3)Included in acquisition-related liabilities on the consolidated balance sheets.

Summit Materials, LLC

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Schedule of Contingent Consideration and Derivatives Measured at Fair Value

The fair value of contingent consideration as of July 1, 2023 and December 31, 2022 was: 

	July 1, 2023		December 31, 2022
Current portion of acquisition-related liabilities and Accrued expenses:
Contingent consideration	$	336	$	336
Acquisition-related liabilities and Other noncurrent liabilities:
Contingent consideration	$	5,102	$	4,981

Schedule of Carrying Value and Fair Value of Financial Instruments

The carrying value and fair value of these financial instruments as of July 1, 2023 and December 31, 2022 was:

	July 1, 2023				December 31, 2022
	Fair Value		Carrying Value		Fair Value		Carrying Value
Level 1
Long-term debt(1)	$	1,456,913	$	1,502,511	$	1,447,673	$	1,504,549
Level 3
Current portion of deferred consideration and noncompete obligations(2)	6,907		6,907		13,382		13,382
Long term portion of deferred consideration and noncompete obligations(3)	18,401		18,401		24,070		24,070

(1)$5.1 million was included in current portion of debt as of July 1, 2023 and December 31, 2022.

(2)Included in current portion of acquisition-related liabilities on the consolidated balance sheets.

(3)Included in acquisition-related liabilities on the consolidated balance sheets.

XML

SEGMENT INFORMATION - (Tables)

6 Months Ended

Jul. 01, 2023

Segment Reporting Information [Line Items]

Schedule of Financial Data for Company's Reportable Business Segments

The following tables display selected financial data for the Company’s reportable business segments as of July 1, 2023 and December 31, 2022 and for the three and six months ended July 1, 2023 and July 2, 2022:

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Revenue*:
West	$	430,738	$	383,750	$	681,620	$	635,982
East	186,537		209,153		316,926		331,643
Cement	111,875		93,651		165,992		139,876
Total revenue	$	729,150	$	686,554	$	1,164,538	$	1,107,501

*Intercompany sales are immaterial and the presentation above only reflects sales to external customers.

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Income from operations before taxes	$	107,209	$	246,713	$	69,531	$	207,170
Interest expense	27,902		20,599		55,322		40,748
Depreciation, depletion and amortization	54,042		46,455		104,230		96,934
Accretion	745		702		1,451		1,416
Loss on debt financings	—		—		493		—
Tax receivable agreement expense	—		954		—		954
Gain on sale of businesses	—		(156,053)		—		(170,258)
Non-cash compensation	5,216		4,734		9,924		10,156
Other	(3,369)		(70)		(8,005)		177
Total Adjusted EBITDA	$	191,745	$	164,034	$	232,946	$	187,297
Total Adjusted EBITDA by Segment:
West	$	104,517	$	84,644	$	137,195	$	117,336
East	47,617		46,694		66,469		54,830
Cement	52,872		43,241		52,882		37,422
Corporate and other	(13,261)		(10,545)		(23,600)		(22,291)
Total Adjusted EBITDA	$	191,745	$	164,034	$	232,946	$	187,297

	Six months ended
	July 1, 2023		July 2, 2022
Purchases of property, plant and equipment
West	$	70,687	$	58,137
East	30,378		45,910
Cement	19,477		19,875
Total reportable segments	120,542		123,922
Corporate and other	6,351		5,658
Total purchases of property, plant and equipment	$	126,893	$	129,580

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Depreciation, depletion, amortization and accretion:
West	$	28,144	$	22,012	$	54,517	$	46,587
East	15,718		14,915		31,253		33,210
Cement	9,891		9,460		17,889		17,034
Total reportable segments	53,753		46,387		103,659		96,831
Corporate and other	1,034		770		2,022		1,519
Total depreciation, depletion, amortization and accretion	$	54,787	$	47,157	$	105,681	$	98,350

	July 1, 2023		December 31, 2022
Total assets:
West	$	1,919,824	$	1,565,776
East	1,181,536		1,151,223
Cement	924,766		873,604
Total reportable segments	4,026,126		3,590,603
Corporate and other	369,361		665,089
Total	$	4,395,487	$	4,255,692

Summit Materials, LLC

Segment Reporting Information [Line Items]

Schedule of Financial Data for Company's Reportable Business Segments

The following tables display selected financial data for the Company’s reportable business segments as of July 1, 2023 and December 31, 2022 and for the three and six months ended July 1, 2023 and July 2, 2022:

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Revenue*:
West	$	430,738	$	383,750	$	681,620	$	635,982
East	186,537		209,153		316,926		331,643
Cement	111,875		93,651		165,992		139,876
Total revenue	$	729,150	$	686,554	$	1,164,538	$	1,107,501

*Intercompany sales are immaterial and the presentation above only reflects sales to external customers.

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Income from operations before taxes	$	107,209	$	247,667	$	69,531	$	208,124
Interest expense	27,902		20,599		55,322		40,748
Depreciation, depletion and amortization	54,042		46,455		104,230		96,934
Accretion	745		702		1,451		1,416
Loss on debt financings	—		—		493		—
Gain on sale of businesses	—		(156,053)		—		(170,258)
Non-cash compensation	5,216		4,734		9,924		10,156
Other	(3,369)		(70)		(8,005)		177
Total Adjusted EBITDA	$	191,745	$	164,034	$	232,946	$	187,297
Total Adjusted EBITDA by Segment:
West	$	104,517	$	84,644	$	137,195	$	117,336
East	47,617		46,694		66,469		54,830
Cement	52,872		43,241		52,882		37,422
Corporate and other	(13,261)		(10,545)		(23,600)		(22,291)
Total Adjusted EBITDA	$	191,745	$	164,034	$	232,946	$	187,297

	Six months ended
	July 1, 2023		July 2, 2022
Purchases of property, plant and equipment
West	$	70,687	$	58,137
East	30,378		45,910
Cement	19,477		19,875
Total reportable segments	120,542		123,922
Corporate and other	6,351		5,658
Total purchases of property, plant and equipment	$	126,893	$	129,580

	Three months ended				Six months ended
	July 1, 2023		July 2, 2022		July 1, 2023		July 2, 2022
Depreciation, depletion, amortization and accretion:
West	$	28,144	$	22,012	$	54,517	$	46,587
East	15,718		14,915		31,253		33,210
Cement	9,891		9,460		17,889		17,034
Total reportable segments	53,753		46,387		103,659		96,831
Corporate and other	1,034		770		2,022		1,519
Total depreciation, depletion, amortization and accretion	$	54,787	$	47,157	$	105,681	$	98,350

	July 1, 2023		December 31, 2022
Total assets:
West	$	1,919,824	$	1,565,776
East	1,181,536		1,151,223
Cement	924,766		873,604
Total reportable segments	4,026,126		3,590,603
Corporate and other	243,544		529,103
Total	$	4,269,670	$	4,119,706

XML

GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION - (Tables) - Summit Materials, LLC

6 Months Ended

Jul. 01, 2023

Schedule of Condensed Consolidating Balance Sheets

Condensed Consolidating Balance Sheets

July 1, 2023

					Non-
	Issuers		Guarantors		Guarantors		Eliminations		Consolidated
Assets
Current assets:
Cash and cash equivalents	$	197,481	$	5,698	$	32,206	$	(5,375)	$	230,010
Accounts receivable, net	603		341,501		28,491		(91)		370,504
Intercompany receivables	311,267		1,985,385		—		(2,296,652)		—
Cost and estimated earnings in excess of billings	—		33,533		1,782		—		35,315
Inventories	—		239,848		6,427		—		246,275
Other current assets	11,596		11,143		1,459		—		24,198
Total current assets	520,947		2,617,108		70,365		(2,302,118)		906,302
Property, plant and equipment, net	27,660		1,871,238		81,088		—		1,979,986
Goodwill	—		1,171,500		57,968		—		1,229,468
Intangible assets, net	—		65,279		4,435		—		69,714
Operating lease right-of-use assets	4,225		27,149		4,639		—		36,013
Other assets	5,016,546		216,720		810		(5,185,889)		48,187
Total assets	$	5,569,378	$	5,968,994	$	219,305	$	(7,488,007)	$	4,269,670
Liabilities and Members' Interest
Current liabilities:
Current portion of debt	$	5,096	$	—	$	—	$	—	$	5,096
Current portion of acquisition-related liabilities	—		7,243		—		—		7,243
Accounts payable	5,622		153,815		11,730		(91)		171,076
Accrued expenses	64,653		82,359		3,108		(5,375)		144,745
Current operating lease liabilities	946		6,099		662		—		7,707
Intercompany payables	1,776,656		516,160		3,836		(2,296,652)		—
Billings in excess of costs and estimated earnings	—		6,313		741		—		7,054
Total current liabilities	1,852,973		771,989		20,077		(2,302,118)		342,921
Long-term debt	1,487,289		—		—		—		1,487,289
Acquisition-related liabilities	—		23,503		—		—		23,503
Noncurrent operating lease liabilities	8,315		21,355		3,893		—		33,563
Other noncurrent liabilities	5,497		208,578		117,436		(164,421)		167,090
Total liabilities	3,354,074		1,025,425		141,406		(2,466,539)		2,054,366
Total members' interest	2,215,304		4,943,569		77,899		(5,021,468)		2,215,304
Total liabilities and members' interest	$	5,569,378	$	5,968,994	$	219,305	$	(7,488,007)	$	4,269,670

Condensed Consolidating Balance Sheets

December 31, 2022

					Non-
	Issuers		Guarantors		Guarantors		Eliminations		Consolidated
Assets
Current assets:
Cash and cash equivalents	$	498,307	$	2,864	$	26,298	$	(7,018)	$	520,451
Accounts receivable, net	1,528		233,039		22,127		(25)		256,669
Intercompany receivables	329,744		1,937,390		—		(2,267,134)		—
Cost and estimated earnings in excess of billings	—		5,861		649		—		6,510
Inventories	—		206,418		6,073		—		212,491
Other current assets	4,755		16,341		1,159		—		22,255
Total current assets	834,334		2,401,913		56,306		(2,274,177)		1,018,376
Property, plant and equipment, net	21,306		1,710,972		81,424		—		1,813,702
Goodwill	—		1,076,935		56,611		—		1,133,546
Intangible assets, net	—		66,972		4,412		—		71,384
Operating lease right-of-use assets	4,665		28,310		4,914		—		37,889
Other assets	4,599,488		204,644		1,220		(4,760,543)		44,809
Total assets	$	5,459,793	$	5,489,746	$	204,887	$	(7,034,720)	$	4,119,706
Liabilities and Members' Interest
Current liabilities:
Current portion of debt	$	5,096	$	—	$	—	$	—	$	5,096
Current portion of acquisition-related liabilities	—		13,718		—		—		13,718
Accounts payable	3,553		93,096		7,806		(25)		104,430
Accrued expenses	54,417		70,433		2,876		(7,018)		120,708
Current operating lease liabilities	921		5,637		738		—		7,296
Intercompany payables	1,750,352		513,494		3,288		(2,267,134)		—
Billings in excess of costs and estimated earnings	—		4,956		783		—		5,739
Total current liabilities	1,814,339		701,334		15,491		(2,274,177)		256,987
Long-term debt	1,488,569		—		—		—		1,488,569
Acquisition-related liabilities	—		29,051		—		—		29,051
Noncurrent operating lease liabilities	8,726		22,871		4,140		—		35,737
Other noncurrent liabilities	5,009		208,185		117,439		(164,421)		166,212
Total liabilities	3,316,643		961,441		137,070		(2,438,598)		1,976,556
Total members' interest	2,143,150		4,528,305		67,817		(4,596,122)		2,143,150
Total liabilities and members' interest	$	5,459,793	$	5,489,746	$	204,887	$	(7,034,720)	$	4,119,706

Schedule of Condensed Consolidating Statements of Operations

Condensed Consolidating Statements of Operations

For the six months ended July 1, 2023

					Non-
	Issuers		Guarantors		Guarantors		Eliminations		Consolidated
Revenue	$	—	$	1,104,334	$	62,562	$	(2,358)	$	1,164,538
Cost of revenue (excluding items shown separately below)	—		805,079		43,719		(2,358)		846,440
General and administrative expenses	33,873		60,955		3,431		—		98,259
Depreciation, depletion, amortization and accretion	2,022		98,071		5,588		—		105,681
Operating (loss) income	(35,895)		140,229		9,824		—		114,158
Other income, net	(179,850)		(1,547)		(1,109)		171,811		(10,695)
Interest expense (income)	80,276		(27,694)		2,740		—		55,322
Income from operation before taxes	63,679		169,470		8,193		(171,811)		69,531
Income tax expense	800		3,635		2,217		—		6,652
Net income attributable to Summit LLC	$	62,879	$	165,835	$	5,976	$	(171,811)	$	62,879
Comprehensive income attributable to member of Summit Materials, LLC	$	66,984	$	165,835	$	1,871	$	(167,706)	$	66,984

Condensed Consolidating Statements of Operations

For the three months ended July 2, 2022

					Non-
	Issuers		Guarantors		Guarantors		Eliminations		Consolidated
Revenue	$	—	$	656,952	$	33,762	$	(4,160)	$	686,554
Cost of revenue (excluding items shown separately below)	—		464,383		23,982		(4,160)		484,205
General and administrative expenses	15,919		26,426		1,611		—		43,956
Depreciation, depletion, amortization and accretion	769		43,342		3,046		—		47,157
Operating (loss) income	(16,688)		122,801		5,123		—		111,236
Other (income) loss, net	(166,798)		(433)		96		166,158		(977)
Interest expense (income)	33,579		(14,350)		1,370		—		20,599
Gain on sale of business	(126,601)		(29,452)		—		—		(156,053)
Income from operation before taxes	243,132		167,036		3,657		(166,158)		247,667
Income tax expense	1,031		3,548		987		—		5,566
Net income attributable to Summit LLC	$	242,101	$	163,488	$	2,670	$	(166,158)	$	242,101
Comprehensive income attributable to member of Summit Materials, LLC	$	236,491	$	163,488	$	8,280	$	(171,768)	$	236,491

Condensed Consolidating Statements of Operations

For the six months ended July 2, 2022

					Non-
	Issuers		Guarantors		Guarantors		Eliminations		Consolidated
Revenue	$	—	$	1,052,132	$	60,859	$	(5,490)	$	1,107,501
Cost of revenue (excluding items shown separately below)	—		798,647		44,428		(5,490)		837,585
General and administrative expenses	33,223		58,099		3,303		—		94,625
Depreciation, depletion, amortization and accretion	1,518		90,839		5,993		—		98,350
Operating (loss) income	(34,741)		104,547		7,135		—		76,941
Other (income) loss, net	(172,716)		(986)		89		171,940		(1,673)
Interest expense (income)	67,481		(29,473)		2,740		—		40,748
Gain on sale of business	(126,601)		(43,657)		—		—		(170,258)
Income from operation before taxes	197,095		178,663		4,306		(171,940)		208,124
Income tax expense	1,381		9,866		1,163		—		12,410
Net income attributable to Summit LLC	$	195,714	$	168,797	$	3,143	$	(171,940)	$	195,714
Comprehensive income attributable to member of Summit Materials, LLC	$	191,848	$	168,797	$	7,009	$	(175,806)	$	191,848

Schedule of Condensed Consolidating Statements of Cash Flows

Condensed Consolidating Statements of Cash Flows

For the six months ended July 1, 2023

					Non-
	Issuers		Guarantors		Guarantors		Eliminations		Consolidated
Net cash (used in) provided by operating activities	$	(62,840)	$	146,620	$	10,262	$	—	$	94,042
Cash flow from investing activities:
Acquisitions, net of cash acquired	—		(237,666)		—		—		(237,666)
Purchase of property, plant and equipment	(6,350)		(117,310)		(3,233)		—		(126,893)
Proceeds from the sale of property, plant, and equipment	—		5,435		325		—		5,760
Other	—		(1,852)		—		—		(1,852)
Net cash used in investing activities	(6,350)		(351,393)		(2,908)		—		(360,651)
Cash flow from financing activities:
Capital distributions to member	(239,264)		239,348		—		—		84
Loans received from and payments made on loans from other Summit Companies	13,332		(12,997)		(1,978)		1,643		—
Payments on long-term debt	(2,548)		(4,172)		—		—		(6,720)
Payments on acquisition-related liabilities	—		(11,539)		—		—		(11,539)
Debt issuance costs	(1,566)		—		—		—		(1,566)
Other	(1,590)		(3,033)		(215)		—		(4,838)
Net cash (used in) provided by financing activities	(231,636)		207,607		(2,193)		1,643		(24,579)
Impact of cash on foreign currency	—		—		747		—		747
Net (decrease) increase in cash	(300,826)		2,834		5,908		1,643		(290,441)
Cash — Beginning of period	498,307		2,864		26,298		(7,018)		520,451
Cash — End of period	$	197,481	$	5,698	$	32,206	$	(5,375)	$	230,010

Condensed Consolidating Statements of Cash Flows

For the six months ended July 2, 2022

					Non-
	Issuers		Guarantors		Guarantors		Eliminations		Consolidated
Net cash (used in) provided by operating activities	$	(63,758)	$	73,145	$	6,867	$	—	$	16,254
Cash flow from investing activities:
Acquisitions, net of cash acquired	—		(1,933)		—		—		(1,933)
Purchase of property, plant and equipment	(5,657)		(121,589)		(2,334)		—		(129,580)
Proceeds from the sale of property, plant, and equipment	—		5,182		245		—		5,427
Proceeds from the sale of a business	—		341,741		—		—		341,741
Other	—		(1,098)		—		—		(1,098)
Net cash (used in) provided by investing activities	(5,657)		222,303		(2,089)		—		214,557
Cash flow from financing activities:
Capital distributions to member	(49,319)		1,933		—		—		(47,386)
Loans received from and payments made on loans from other Summit Companies	275,632		(273,262)		(2,991)		621		—
Payments on long-term debt	(75,553)		(11,268)		—		—		(86,821)
Payments on acquisition-related liabilities	—		(11,577)		—		—		(11,577)
Distributions from partnership	(25)		—		—		—		(25)
Other	(187)		—		—		—		(187)
Net cash provided by (used in) financing activities	150,548		(294,174)		(2,991)		621		(145,996)
Impact of cash on foreign currency	—		—		(461)		—		(461)
Net increase in cash	81,133		1,274		1,326		621		84,354
Cash — Beginning of period	365,044		2,264		18,337		(4,684)		380,961
Cash — End of period	$	446,177	$	3,538	$	19,663	$	(4,063)	$	465,315

XML

SUMMARY OF ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES - General Information (Details)	6 Months Ended
	Jul. 01, 2023 segment cementPlant
Summary Of Significant Accounting Policies And Recent Accounting Pronouncements [Line Items]
Number of operating segments	3
Number of reportable segments	3
Cement plant
Summary Of Significant Accounting Policies And Recent Accounting Pronouncements [Line Items]
Number of plants | cementPlant	2
Summit Materials, LLC
Summary Of Significant Accounting Policies And Recent Accounting Pronouncements [Line Items]
Number of operating segments	3
Number of reportable segments	3
Summit Materials, LLC | Cement plant
Summary Of Significant Accounting Policies And Recent Accounting Pronouncements [Line Items]
Number of plants | cementPlant	2

XML

SUMMARY OF ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES - Business and Credit Concentration, Tax Receivable Agreement (Details)	Jul. 01, 2023 state
Business and Credit Concentrations
Number of states in which the entity operates	21

XML

ACQUISITIONS, DISPOSTIONS, GOODWILL AND INTANGIBLES - Acquisitions by Region (Details) - acquisition	6 Months Ended	12 Months Ended
	Jul. 01, 2023	Dec. 31, 2022
West
Business Acquisition [Line Items]
Number of businesses acquired	3	0
West | Summit Materials, LLC
Business Acquisition [Line Items]
Number of businesses acquired	3	0
East
Business Acquisition [Line Items]
Number of businesses acquired	1	2
East | Summit Materials, LLC
Business Acquisition [Line Items]
Number of businesses acquired	1	2

XML

ACQUISITIONS, DISPOSTIONS, GOODWILL AND INTANGIBLES - Summary of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jul. 01, 2023	Dec. 31, 2022
Business Acquisition [Line Items]
Goodwill	$ 1,228,468	$ 1,132,546
Summit Materials, LLC
Business Acquisition [Line Items]
Goodwill	1,229,468	1,133,546
Series of Individually Immaterial Business Acquisitions
Business Acquisition [Line Items]
Financial assets	13,104	297
Inventories	6,521	161
Property, plant and equipment	137,394	30,041
Other assets	458	1,116
Financial liabilities	(11,925)	(1,120)
Other long-term liabilities	(768)	(1,589)
Net assets acquired	144,784	28,906
Goodwill	94,564	0
Purchase price	239,348	28,906
Acquisition-related liabilities	0	(6,176)
Other	(1,682)	0
Net cash paid for acquisitions	237,666	22,730
Series of Individually Immaterial Business Acquisitions | Summit Materials, LLC
Business Acquisition [Line Items]
Financial assets	13,104	297
Inventories	6,521	161
Property, plant and equipment	137,394	30,041
Other assets	458	1,116
Financial liabilities	(11,925)	(1,120)
Other long-term liabilities	(768)	(1,589)
Net assets acquired	144,784	28,906
Goodwill	94,564	0
Purchase price	239,348	28,906
Acquisition-related liabilities	0	(6,176)
Other	(1,682)	0
Net cash paid for acquisitions	$ 237,666	$ 22,730

XML

ACQUISITIONS, DISPOSTIONS, GOODWILL AND INTANGIBLES - Summary of Goodwill by Reportable Segments (Details) $ in Thousands	6 Months Ended
	Jul. 01, 2023 USD ($)
Goodwill [Roll Forward]
Balance—December 31, 2022	$ 1,132,546
Acquisitions	94,564
Foreign currency translation adjustments	1,358
Balance—July 1, 2023	1,228,468
West
Goodwill [Roll Forward]
Balance—December 31, 2022	566,389
Acquisitions	94,564
Foreign currency translation adjustments	1,358
Balance—July 1, 2023	662,311
East
Goodwill [Roll Forward]
Balance—December 31, 2022	361,501
Acquisitions	0
Foreign currency translation adjustments	0
Balance—July 1, 2023	361,501
Cement
Goodwill [Roll Forward]
Balance—December 31, 2022	204,656
Acquisitions	0
Foreign currency translation adjustments	0
Balance—July 1, 2023	204,656
Summit Materials, LLC
Goodwill [Roll Forward]
Balance—December 31, 2022	1,133,546
Acquisitions	94,564
Foreign currency translation adjustments	1,358
Balance—July 1, 2023	1,229,468
Summit Materials, LLC | West
Goodwill [Roll Forward]
Balance—December 31, 2022	567,389
Acquisitions	94,564
Foreign currency translation adjustments	1,358
Balance—July 1, 2023	663,311
Summit Materials, LLC | East
Goodwill [Roll Forward]
Balance—December 31, 2022	361,501
Acquisitions	0
Foreign currency translation adjustments	0
Balance—July 1, 2023	361,501
Summit Materials, LLC | Cement
Goodwill [Roll Forward]
Balance—December 31, 2022	204,656
Acquisitions	0
Foreign currency translation adjustments	0
Balance—July 1, 2023	$ 204,656

XML

ACQUISITIONS, DISPOSTIONS, GOODWILL AND INTANGIBLES - Intangible Assets By Type (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022	Jul. 01, 2023	Jul. 02, 2022	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Accumulated Amortization	$ (17,321)		$ (17,321)		$ (15,503)
Amortization expense	900	$ 800	1,800	$ 1,800
Intangible Assets Excluding Intangible Assets Held for Sale
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	87,035		87,035		86,887
Accumulated Amortization	(17,321)		(17,321)		(15,503)
Net Carrying Amount	69,714		69,714		71,384
Operating permits
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	38,677		38,677		38,677
Accumulated Amortization	(4,926)		(4,926)		(4,109)
Net Carrying Amount	33,751		33,751		34,568
Mineral leases
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	17,778		17,778		18,091
Accumulated Amortization	(7,228)		(7,228)		(7,056)
Net Carrying Amount	10,550		10,550		11,035
Reserve rights
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	25,586		25,586		25,242
Accumulated Amortization	(4,608)		(4,608)		(3,872)
Net Carrying Amount	20,978		20,978		21,370
Other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	4,994		4,994		4,877
Accumulated Amortization	(559)		(559)		(466)
Net Carrying Amount	4,435		4,435		4,411
Summit Materials, LLC
Finite-Lived Intangible Assets [Line Items]
Accumulated Amortization	(17,321)		(17,321)		(15,503)
Amortization expense	900	$ 800	1,800	$ 1,800
Summit Materials, LLC | Intangible Assets Excluding Intangible Assets Held for Sale
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	87,035		87,035		86,887
Accumulated Amortization	(17,321)		(17,321)		(15,503)
Net Carrying Amount	69,714		69,714		71,384
Summit Materials, LLC | Operating permits
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	38,677		38,677		38,677
Accumulated Amortization	(4,926)		(4,926)		(4,109)
Net Carrying Amount	33,751		33,751		34,568
Summit Materials, LLC | Mineral leases
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	17,778		17,778		18,091
Accumulated Amortization	(7,228)		(7,228)		(7,056)
Net Carrying Amount	10,550		10,550		11,035
Summit Materials, LLC | Reserve rights
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	25,586		25,586		25,242
Accumulated Amortization	(4,608)		(4,608)		(3,872)
Net Carrying Amount	20,978		20,978		21,370
Summit Materials, LLC | Other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	4,994		4,994		4,877
Accumulated Amortization	(559)		(559)		(466)
Net Carrying Amount	$ 4,435		$ 4,435		$ 4,411

XML

ACQUISITIONS, DISPOSTIONS, GOODWILL AND INTANGIBLES - Amortization Expense (Details) - USD ($) $ in Thousands	Jul. 01, 2023	Dec. 31, 2022
Estimated amortization expense
2023 (six months)	$ 1,999
2024	4,006
2025	3,965
2026	3,916
2027	3,904
2028	3,906
Thereafter	48,018
Total	69,714	$ 71,384
Summit Materials, LLC
Estimated amortization expense
2023 (six months)	1,999
2024	4,006
2025	3,965
2026	3,916
2027	3,904
2028	3,906
Thereafter	48,018
Total	$ 69,714	$ 71,384

XML

REVENUE RECOGNITION - By Product (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022	Jul. 01, 2023	Jul. 02, 2022
Revenue from External Customer [Line Items]
Total revenue	$ 729,150	$ 686,554	$ 1,164,538	$ 1,107,501
Aggregates
Revenue from External Customer [Line Items]
Total revenue	182,512	161,480	326,165	284,873
Cement
Revenue from External Customer [Line Items]
Total revenue	103,607	86,815	152,620	129,369
Ready-mix concrete
Revenue from External Customer [Line Items]
Total revenue	199,570	183,357	338,348	340,920
Asphalt
Revenue from External Customer [Line Items]
Total revenue	91,809	94,141	118,444	111,279
Paving and related services
Revenue from External Customer [Line Items]
Total revenue	89,374	98,610	116,558	129,220
Other
Revenue from External Customer [Line Items]
Total revenue	62,278	62,151	112,403	111,840
Summit Materials, LLC
Revenue from External Customer [Line Items]
Total revenue	729,150	686,554	1,164,538	1,107,501
Summit Materials, LLC | Aggregates
Revenue from External Customer [Line Items]
Total revenue	182,512	161,480	326,165	284,873
Summit Materials, LLC | Cement
Revenue from External Customer [Line Items]
Total revenue	103,607	86,815	152,620	129,369
Summit Materials, LLC | Ready-mix concrete
Revenue from External Customer [Line Items]
Total revenue	199,570	183,357	338,348	340,920
Summit Materials, LLC | Asphalt
Revenue from External Customer [Line Items]
Total revenue	91,809	94,141	118,444	111,279
Summit Materials, LLC | Paving and related services
Revenue from External Customer [Line Items]
Total revenue	89,374	98,610	116,558	129,220
Summit Materials, LLC | Other
Revenue from External Customer [Line Items]
Total revenue	$ 62,278	$ 62,151	$ 112,403	$ 111,840

XML

REVENUE RECOGNITION - Schedule of Accounts Receivable, Net (Details) - USD ($) $ in Thousands	6 Months Ended
	Jul. 01, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade accounts receivable	$ 314,590	$ 215,766
Construction contract receivables	52,932	37,067
Retention receivables	10,461	11,048
Accounts receivable	377,983	263,881
Less: Allowance for doubtful accounts	(7,479)	(7,212)
Accounts receivable, net	$ 370,504	256,669
Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
General collection and billing period for retention receivables	1 year
Summit Materials, LLC
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade accounts receivable	$ 314,590	215,766
Construction contract receivables	52,932	37,067
Retention receivables	10,461	11,048
Accounts receivable	377,983	263,881
Less: Allowance for doubtful accounts	(7,479)	(7,212)
Accounts receivable, net	$ 370,504	$ 256,669
Summit Materials, LLC | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
General collection and billing period for retention receivables	1 year

XML

INVENTORIES - Components of Inventories (Details) - USD ($) $ in Thousands	Jul. 01, 2023	Dec. 31, 2022
Inventory [Line Items]
Aggregate stockpiles	$ 157,272	$ 148,347
Finished goods	55,877	33,622
Work in process	9,806	8,191
Raw materials	23,320	22,331
Total	246,275	212,491
Summit Materials, LLC
Inventory [Line Items]
Aggregate stockpiles	157,272	148,347
Finished goods	55,877	33,622
Work in process	9,806	8,191
Raw materials	23,320	22,331
Total	$ 246,275	$ 212,491

XML

ACCRUED EXPENSES - Components of Accrued Expenses (Details) - USD ($) $ in Thousands	Jul. 01, 2023	Dec. 31, 2022
Schedule Of Accrued Expenses [Line Items]
Interest	$ 36,037	$ 24,625
Payroll and benefits	40,602	34,485
Finance lease obligations	3,499	6,959
Insurance	21,314	18,127
Non-income taxes	13,976	4,360
Deferred asset purchase payments	5,824	5,131
Professional fees	1,755	924
Other	25,653	25,356
Total	148,660	119,967
Summit Materials, LLC
Schedule Of Accrued Expenses [Line Items]
Interest	36,037	24,625
Payroll and benefits	40,602	34,485
Finance lease obligations	3,499	6,959
Insurance	21,314	18,127
Non-income taxes	10,061	5,101
Deferred asset purchase payments	5,824	5,131
Professional fees	1,755	924
Other	25,653	25,356
Total	$ 144,745	$ 120,708

XML

DEBT - Schedule of Debt (Details) - USD ($) $ in Thousands	Jul. 01, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Total debt	$ 1,502,511	$ 1,504,549
Current portion of long-term debt	5,096	5,096
Long-term debt	1,497,415	1,499,453
Gross amount	1,507,012
Debt discount	4,501
Term Loan, due 2027
Debt Instrument [Line Items]
Total debt	502,511	504,549
Gross amount	507,000	509,600
Debt discount	4,500	5,000
Summit Materials, LLC
Debt Instrument [Line Items]
Total debt	1,502,511	1,504,549
Current portion of long-term debt	5,096	5,096
Long-term debt	1,497,415	1,499,453
Gross amount	1,507,012
Debt discount	4,501
Summit Materials, LLC | Term Loan, due 2027
Debt Instrument [Line Items]
Total debt	502,511	504,549
Gross amount	507,000	509,600
Debt discount	4,500	5,000
Senior Notes | 6 1/2% Senior Notes, due 2027
Debt Instrument [Line Items]
Total debt	$ 300,000	300,000
Debt instrument interest rate (as a percent)	6.50%
Senior Notes | 5 1/4% Senior Notes Due 2029
Debt Instrument [Line Items]
Total debt	$ 700,000	700,000
Debt instrument interest rate (as a percent)	5.25%
Senior Notes | Summit Materials, LLC | 6 1/2% Senior Notes, due 2027
Debt Instrument [Line Items]
Total debt	$ 300,000	300,000
Debt instrument interest rate (as a percent)	6.50%
Senior Notes | Summit Materials, LLC | 5 1/4% Senior Notes Due 2029
Debt Instrument [Line Items]
Total debt	$ 700,000	$ 700,000
Debt instrument interest rate (as a percent)	5.25%

XML

DEBT - Schedule of Contractual Payments of Long-Term Debt (Details) $ in Thousands	Jul. 01, 2023 USD ($)
Debt Instrument [Line Items]
2023 (six months)	$ 2,548
2024	3,822
2025	6,369
2026	5,096
2027	789,177
2028	0
Thereafter	700,000
Total	1,507,012
Less: Original issue net discount	(4,501)
Less: Capitalized loan costs	(10,126)
Total debt	1,492,385
Summit Materials, LLC
Debt Instrument [Line Items]
2023 (six months)	2,548
2024	3,822
2025	6,369
2026	5,096
2027	789,177
2028	0
Thereafter	700,000
Total	1,507,012
Less: Original issue net discount	(4,501)
Less: Capitalized loan costs	(10,126)
Total debt	$ 1,492,385

XML

DEBT - Senior Notes (Details) - USD ($)	Aug. 11, 2020	Mar. 15, 2019	Jul. 01, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Long-term debt			$ 1,502,511,000	$ 1,504,549,000
Issuers | 5 1/4% Senior Notes Due 2029
Debt Instrument [Line Items]
Long-term debt	$ 700,000,000
Senior notes, interest rate (as a percent)	5.25%
Proceeds from debt issuances	$ 690,400,000
Issuers | 6 1/2% Senior Notes, due 2027
Debt Instrument [Line Items]
Long-term debt		$ 300,000,000
Senior notes, interest rate (as a percent)		6.50%
Senior Notes | 5 1/4% Senior Notes Due 2029
Debt Instrument [Line Items]
Long-term debt			$ 700,000,000	700,000,000
Senior notes, interest rate (as a percent)			5.25%
Senior Notes | 6 1/2% Senior Notes, due 2027
Debt Instrument [Line Items]
Long-term debt			$ 300,000,000	$ 300,000,000
Senior notes, interest rate (as a percent)			6.50%
Senior Notes | Issuers | 5 1/4% Senior Notes Due 2029
Debt Instrument [Line Items]
Percentage of par value of senior notes	100.00%
Senior Notes | Issuers | 6 1/2% Senior Notes, due 2027
Debt Instrument [Line Items]
Percentage of par value of senior notes		100.00%
Proceeds net of related fees and expenses		$ 296,300,000

XML

DEBT - Senior Secured Credit Facilities (Details) - USD ($)			6 Months Ended		12 Months Ended
	Jan. 10, 2023	Dec. 14, 2022	Jul. 01, 2023	Jul. 02, 2022	Dec. 31, 2022
Debt Instrument [Line Items]
Repayments of term loan			$ 6,720,000	$ 86,821,000
Summit Materials, LLC
Debt Instrument [Line Items]
Repayments of term loan			6,720,000	$ 86,821,000
Term Loan, due 2024 | Summit Materials, LLC
Debt Instrument [Line Items]
Debt instrument, face amount			$ 507,000,000
Quarterly principal repayments percentage			0.25%
Effective interest rate			8.49%
Term Loan, due 2027 | Summit Materials, LLC
Debt Instrument [Line Items]
Debt instrument, face amount		$ 509,600,000
Effective interest rate			8.49%
Repayments of term loan					$ 95,600,000
Term Loan, due 2027 | Summit Materials, LLC | Base Rate or SOFR
Debt Instrument [Line Items]
Basis spread on variable rate		2.00%
Term Loan, due 2027 | Summit Materials, LLC | Base Rate or SOFR | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate		1.00%
Term Loan, due 2027 | Summit Materials, LLC | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument [Line Items]
Basis spread on variable rate		3.00%
Term Loan, due 2027 | Summit Materials, LLC | Secured Overnight Financing Rate Adjustment
Debt Instrument [Line Items]
Basis spread on variable rate		0.10%
Term Loan, due 2027 | Summit Materials, LLC | Secured Overnight Financing Rate Adjustment | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate		0.00%
Revolving Credit Facility | Summit Materials, LLC
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 395,000,000		$ 395,000,000
Amount outstanding			0		$ 0
Revolving Credit Facility | Summit Materials, LLC | Secured Overnight Financing Rate Adjustment
Debt Instrument [Line Items]
Basis spread on variable rate	0.10%
Revolving Credit Facility | Summit Materials, LLC | Secured Overnight Financing Rate Adjustment | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate	0.00%
Senior Secured Credit Facilities | Summit Materials, LLC
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 395,000,000
Quarterly principal repayments percentage			0.25%
Amount outstanding			$ 20,900,000
Remaining borrowing capacity			$ 374,100,000
First lien leverage ratio			4.75

XML

DEBT - Schedule of Activity for Deferred Financing Fees (Details) - USD ($) $ in Thousands	6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022
Deferred Finance Costs, Own-share Lending Arrangement, Issuance Costs, Accumulated Amortization [Roll Forward]
Beginning balance	$ 11,489	$ 13,049
Loan origination fees	1,566
Amortization	(1,227)	(1,384)
Write off of deferred financing fees	(160)
Ending balance	11,668	11,665
Summit Materials, LLC
Deferred Finance Costs, Own-share Lending Arrangement, Issuance Costs, Accumulated Amortization [Roll Forward]
Beginning balance	11,489	13,049
Loan origination fees	1,566
Amortization	(1,227)	(1,384)
Write off of deferred financing fees	(160)
Ending balance	$ 11,668	$ 11,665

XML

DEBT - Other (Details) - CAD ($)	Jan. 15, 2015	Jul. 01, 2023	Dec. 31, 2022
Canadian Subsidiary Credit Agreement, Operating Activities
Debt Instrument [Line Items]
Revolving credit commitment	$ 6,000,000
Canadian Subsidiary Credit Agreement, Capital Equipment
Debt Instrument [Line Items]
Revolving credit commitment	500,000
Canadian Subsidiary Credit Agreement, Guarantees
Debt Instrument [Line Items]
Revolving credit commitment	1,500,000
Canadian Subsidiary Credit Agreement, Foreign Exchange Facility
Debt Instrument [Line Items]
Revolving credit commitment	$ 10,000,000
Canadian Subsidiary Credit Agreement
Debt Instrument [Line Items]
Amount outstanding		$ 0	$ 0
Prime rate | Canadian Subsidiary Credit Agreement, Operating Activities
Debt Instrument [Line Items]
Basis spread on variable rate	0.20%
Prime rate | Canadian Subsidiary Credit Agreement, Capital Equipment
Debt Instrument [Line Items]
Basis spread on variable rate	0.20%
Summit Materials, LLC | Canadian Subsidiary Credit Agreement, Operating Activities
Debt Instrument [Line Items]
Revolving credit commitment	$ 6,000,000
Summit Materials, LLC | Canadian Subsidiary Credit Agreement, Capital Equipment
Debt Instrument [Line Items]
Revolving credit commitment	500,000
Summit Materials, LLC | Canadian Subsidiary Credit Agreement, Guarantees
Debt Instrument [Line Items]
Revolving credit commitment	$ 1,500,000
Summit Materials, LLC | Canadian Subsidiary Credit Agreement
Debt Instrument [Line Items]
Amount outstanding		$ 0	$ 0
Summit Materials, LLC | Prime rate | Canadian Subsidiary Credit Agreement, Operating Activities
Debt Instrument [Line Items]
Basis spread on variable rate	0.20%
Summit Materials, LLC | Prime rate | Canadian Subsidiary Credit Agreement, Capital Equipment
Debt Instrument [Line Items]
Basis spread on variable rate	0.20%

XML

INCOME TAXES - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022	Jul. 01, 2023	Jul. 02, 2022	Dec. 31, 2022
Income Taxes [Line Items]
Income tax expense	$ 22,481,000	$ 53,947,000	$ 16,015,000	$ 49,204,000
Valuation allowance	1,113,000		1,113,000		$ 1,113,000
Income tax provision, interest or penalties recognized	0	0	0	0
Tax receivable agreement liability	322,624,000		322,624,000		327,812,000
Tax Receivable Agreement
Income Taxes [Line Items]
Tax receivable agreement liability	327,800,000		327,800,000		$ 328,400,000
Summit Holdings LP
Income Taxes [Line Items]
Distributions to LP unitholders			$ 0
Summit Holdings LP | Tax Receivable Agreement
Income Taxes [Line Items]
Percentage of benefits to be paid on tax receivable agreement			85.00%
Summit Materials, LLC
Income Taxes [Line Items]
Income tax expense	7,119,000	5,566,000	$ 6,652,000	12,410,000
Income tax provision, interest or penalties recognized	$ 0	$ 0	$ 0	$ 0
Common Class A
Income Taxes [Line Items]
Exchanges during period (in shares)			2,000
Common Class A | Tax Receivable Agreement
Income Taxes [Line Items]
Exchanges during period (in shares)			2,000

XML

EARNINGS PER SHARE - Schedule of Basic to Diluted Income Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022	Jul. 01, 2023	Jul. 02, 2022
Reconciliation of basic to diluted loss per share
Net income attributable to Summit Inc.	$ 83,637	$ 190,113	$ 52,833	$ 155,821
Diluted net income attributable to Summit Inc.	$ 83,637	$ 190,113	$ 52,833	$ 155,821
LP Units
Reconciliation of basic to diluted loss per share
Anti dilutive shares excluded from calculation of earnings per share (in shares)	1,310,004	1,314,006	1,310,630	1,314,006
Common Class A And Restricted Stock
Reconciliation of basic to diluted loss per share
Weighted average shares of Class A stock outstanding (in shares)	118,931,914	120,222,094	118,805,785	120,569,387
Weighted average basic shares outstanding (in shares)	118,931,914	120,222,094	118,805,785	120,569,387
Basic earning per share (in usd per share)	$ 0.70	$ 1.58	$ 0.44	$ 1.29
Common Class A
Reconciliation of basic to diluted loss per share
Weighted average shares of Class A stock outstanding (in shares)	118,848,214	120,078,273	118,706,385	120,417,414
Weighted average basic shares outstanding (in shares)	118,848,214	120,078,273	118,706,385	120,417,414
Basic earning per share (in usd per share)	$ 0.70	$ 1.58	$ 0.44	$ 1.29
Add: warrants (in shares)	13,194	10,413	12,978	12,844
Weighted average dilutive shares outstanding (in shares)	119,393,709	120,660,721	119,431,604	121,374,168
Diluted earning per share (in usd per share)	$ 0.70	$ 1.58	$ 0.44	$ 1.28
Common Class A | Time-vesting stock options
Reconciliation of basic to diluted loss per share
Add: share-based payment arrangements (in shares)	100,895	76,161	99,102	101,094
Common Class A | Add: restricted stock units
Reconciliation of basic to diluted loss per share
Add: share-based payment arrangements (in shares)	193,011	257,454	340,958	533,242
Common Class A | Add: performance stock units
Reconciliation of basic to diluted loss per share
Add: share-based payment arrangements (in shares)	154,695	94,599	172,781	157,601
Restricted Stock
Reconciliation of basic to diluted loss per share
Add: Nonvested restricted stock awards of retirement eligible shares (in shares)	83,700	143,821	99,400	151,973

XML

STOCKHOLDERS' EQUITY/MEMBERS' INTEREST - Narrative (Details) - USD ($)	Jul. 01, 2023	Dec. 31, 2022	Mar. 31, 2022
Summit Holdings LP
Schedule of Capitalization, Equity [Line Items]
Noncontrolling interest elimination (as a percent)	1.10%	1.10%
Common Class A
Schedule of Capitalization, Equity [Line Items]
Share repurchase program, authorized amount			$ 250,000,000
Remaining authorized repurchase amount	$ 149,000,000

XML

STOCKHOLDERS' EQUITY/MEMBERS' INTEREST - Equity Offerings (Details) - shares	6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022	Dec. 31, 2022	Jan. 01, 2022
Common Class A
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)	118,408,655	120,684,322
Exchanges during period (in shares)	2,000
Stock option exercises (in shares)	4,240	6,518
Repurchases of common stock, (in shares)		(1,506,878)
Other equity transactions (in shares)	471,379	909,864
Ending balance (in shares)	118,886,274	120,093,826
Summit Materials, Inc. and Summit Holdings, LP
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)	119,720,659	121,998,328
Exchanges during period (in shares)	0
Stock option exercises (in shares)	4,240	6,518
Repurchases of common stock, (in shares)		(1,506,878)
Other equity transactions (in shares)	471,379	909,864
Ending balance (in shares)	120,196,278	121,407,832
LP Units | Summit Holdings LP
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Number of LP Units outstanding, beginning balance (in shares)	1,312,004	1,314,006
Number of LP Units exchanged (in shares)	(2,000)
Number of LP Units outstanding, ending balance (in shares)	1,310,004	1,314,006
Summit Materials Inc
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Ownership percentage	98.90%	98.90%	98.90%	98.90%

XML

STOCKHOLDERS' EQUITY/MEMBERS' INTEREST - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022
Changes in each component of accumulated other comprehensive loss
Beginning balance	$ 2,011,990	$ 1,823,212
Foreign currency translation adjustment, net of tax	3,242	(2,890)
Ending balance	2,073,964	1,940,802
Summit Materials, LLC
Changes in each component of accumulated other comprehensive loss
Beginning balance	2,143,150	1,884,944
Foreign currency translation adjustment, net of tax	4,105	(3,866)
Ending balance	2,215,304	2,039,348
Change in retirement plans
Changes in each component of accumulated other comprehensive loss
Beginning balance	6,356	1,508
Ending balance	6,356	1,508
Change in retirement plans | Summit Materials, LLC
Changes in each component of accumulated other comprehensive loss
Beginning balance	(762)	(7,243)
Ending balance	(762)	(7,243)
Foreign currency translation adjustments
Changes in each component of accumulated other comprehensive loss
Beginning balance	(3,272)	5,575
Foreign currency translation adjustment, net of tax	3,242	(2,890)
Ending balance	(30)	2,685
Foreign currency translation adjustments | Summit Materials, LLC
Changes in each component of accumulated other comprehensive loss
Beginning balance	(20,614)	(8,783)
Foreign currency translation adjustment, net of tax	4,105	(3,866)
Ending balance	(16,509)	(12,649)
Accumulated Other Comprehensive Income
Changes in each component of accumulated other comprehensive loss
Beginning balance	3,084	7,083
Ending balance	6,326	4,193
Accumulated Other Comprehensive Income | Summit Materials, LLC
Changes in each component of accumulated other comprehensive loss
Beginning balance	(21,376)	(16,026)
Ending balance	$ (17,271)	$ (19,892)

XML

SUPPLEMENTAL CASH FLOW INFORMATION - Schedule of Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022
Cash payments:
Interest	$ 38,107	$ 36,115
Payments for income taxes, net	6,941	8,503
Operating cash payments on operating leases	4,801	4,652
Operating cash payments on finance leases	282	646
Finance cash payments on finance leases	5,223	11,297
Non cash investing and financing activities:
Accrued liabilities for purchases of property, plant and equipment	14,994	20,225
Right of use assets obtained in exchange for operating lease obligations	2,050	9,312
Right of use assets obtained in exchange for finance leases obligations	413	258
Exchange of LP Units to shares of Class A common stock	60	0
Summit Materials, LLC
Cash payments:
Interest	38,107	36,115
Payments for income taxes, net	6,941	8,503
Operating cash payments on operating leases	4,801	4,652
Operating cash payments on finance leases	282	646
Finance cash payments on finance leases	5,223	11,297
Non cash investing and financing activities:
Accrued liabilities for purchases of property, plant and equipment	14,994	20,225
Right of use assets obtained in exchange for operating lease obligations	2,050	9,312
Right of use assets obtained in exchange for finance leases obligations	$ 413	$ 258

XML

LEASES - Operating and Finance Leases (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022	Jul. 01, 2023	Jul. 02, 2022	Dec. 31, 2022
Lease, Cost [Abstract]
Operating lease cost	$ 2,697	$ 2,271	$ 5,338	$ 4,783
Variable lease cost	34	42	64	155
Short-term lease cost	10,184	10,933	17,454	19,181
Financing lease cost:
Amortization of right-of-use assets	714	1,377	1,532	3,363
Interest on lease liabilities	133	271	281	640
Total lease cost	13,762	14,894	24,669	28,122
Operating leases:
Operating lease right-of-use assets	36,013		36,013		$ 37,889
Current operating lease liabilities	7,707		7,707		7,296
Noncurrent operating lease liabilities	33,563		33,563		35,737
Total operating lease liabilities	41,270		41,270		43,033
Finance leases:
Property and equipment, gross	21,515		21,515		32,119
Less accumulated depreciation	$ (10,101)		$ (10,101)		$ (14,992)
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Property, plant and equipment, net		Property, plant and equipment, net		Property, plant and equipment, net
Property and equipment, net	$ 11,414		$ 11,414		$ 17,127
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued expenses		Accrued expenses		Accrued expenses
Current finance lease liabilities	$ 3,499		$ 3,499		$ 6,959
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other noncurrent liabilities		Other noncurrent liabilities		Other noncurrent liabilities
Long-term finance lease liabilities	$ 5,820		$ 5,820		$ 7,167
Total finance lease liabilities	$ 9,319		$ 9,319		$ 14,126
Weighted average remaining lease term (years):
Operating leases	8 years 9 months 18 days		8 years 9 months 18 days		9 years 1 month 6 days
Finance lease	3 years 6 months		3 years 6 months		2 years 9 months 18 days
Weighted average discount rate:
Operating leases	4.80%		4.80%		4.70%
Finance leases	5.70%		5.70%		5.30%
Operating Leases
2023 (six months)	$ 4,831		$ 4,831
2024	8,762		8,762
2025	6,787		6,787
2026	5,242		5,242
2027	4,233		4,233
2028	3,432		3,432
Thereafter	17,664		17,664
Total lease payments	50,951		50,951
Less imputed interest	(9,681)		(9,681)
Present value of lease payments	41,270		41,270		$ 43,033
Finance Leases
2023 (six months)	2,142		2,142
2024	3,052		3,052
2025	2,435		2,435
2026	990		990
2027	760		760
2028	513		513
Thereafter	570		570
Total lease payments	10,462		10,462
Less imputed interest	(1,143)		(1,143)
Present value of lease payments	9,319		9,319		14,126
Summit Materials, LLC
Lease, Cost [Abstract]
Operating lease cost	2,697	2,271	5,338	4,783
Variable lease cost	34	42	64	155
Short-term lease cost	10,184	10,933	17,454	19,181
Financing lease cost:
Amortization of right-of-use assets	714	1,377	1,532	3,363
Interest on lease liabilities	133	271	281	640
Total lease cost	13,762	$ 14,894	24,669	$ 28,122
Operating leases:
Operating lease right-of-use assets	36,013		36,013		37,889
Current operating lease liabilities	7,707		7,707		7,296
Noncurrent operating lease liabilities	33,563		33,563		35,737
Total operating lease liabilities	41,270		41,270		43,033
Finance leases:
Property and equipment, gross	21,515		21,515		32,119
Less accumulated depreciation	$ (10,101)		$ (10,101)		$ (14,992)
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Property, plant and equipment, net		Property, plant and equipment, net		Property, plant and equipment, net
Property and equipment, net	$ 11,414		$ 11,414		$ 17,127
Current finance lease liabilities	3,499		3,499		6,959
Long-term finance lease liabilities	5,820		5,820		7,167
Total finance lease liabilities	$ 9,319		$ 9,319		$ 14,126
Weighted average remaining lease term (years):
Operating leases	8 years 9 months 18 days		8 years 9 months 18 days		9 years 1 month 6 days
Finance lease	3 years 6 months		3 years 6 months		2 years 9 months 18 days
Weighted average discount rate:
Operating leases	4.80%		4.80%		4.70%
Finance leases	5.70%		5.70%		5.30%
Operating Leases
2023 (six months)	$ 4,831		$ 4,831
2024	8,762		8,762
2025	6,787		6,787
2026	5,242		5,242
2027	4,233		4,233
2028	3,432		3,432
Thereafter	17,664		17,664
Total lease payments	50,951		50,951
Less imputed interest	(9,681)		(9,681)
Present value of lease payments	41,270		41,270		$ 43,033
Finance Leases
2023 (six months)	2,142		2,142
2024	3,052		3,052
2025	2,435		2,435
2026	990		990
2027	760		760
2028	513		513
Thereafter	570		570
Total lease payments	10,462		10,462
Less imputed interest	(1,143)		(1,143)
Present value of lease payments	$ 9,319		$ 9,319		$ 14,126

XML

COMMITMENTS AND CONTINGENCIES - Narrative (Details) - USD ($) $ in Millions	6 Months Ended
	Jul. 01, 2023	Dec. 31, 2022
Loss Contingencies [Line Items]
Anticipated costs	$ 125.2	$ 124.9
Term of purchase commitments	1 year
Site Restoration Obligations | Other noncurrent liabilities
Loss Contingencies [Line Items]
Site restoration obligation, non-current	$ 36.6	36.3
Site Restoration Obligations | Accrued expenses.
Loss Contingencies [Line Items]
Site restoration obligation, current	$ 4.9	4.0
Summit Materials, LLC
Loss Contingencies [Line Items]
Term of purchase commitments	1 year
Summit Materials, LLC | Site Restoration Obligations
Loss Contingencies [Line Items]
Anticipated costs	$ 125.2	124.9
Summit Materials, LLC | Site Restoration Obligations | Other noncurrent liabilities
Loss Contingencies [Line Items]
Site restoration obligation, non-current	36.6	36.3
Summit Materials, LLC | Site Restoration Obligations | Accrued expenses.
Loss Contingencies [Line Items]
Site restoration obligation, current	$ 4.9	$ 4.0

XML

FAIR VALUE - Fair Value Measurements (Details) - Level 3 $ in Thousands	6 Months Ended
	Jul. 01, 2023 USD ($)	Jul. 02, 2022 USD ($)	Dec. 31, 2022 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current portion of acquisition-related liabilities and Accrued expenses - Contingent consideration	$ 336		$ 336
Acquisition-related liabilities and Other noncurrent liabilities - Contingent consideration	5,102		4,981
Adjustment to contingent consideration	0	$ 0
Summit Materials, LLC
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current portion of acquisition-related liabilities and Accrued expenses - Contingent consideration	336		336
Acquisition-related liabilities and Other noncurrent liabilities - Contingent consideration	5,102		$ 4,981
Adjustment to contingent consideration	$ 0	$ 0
Discount Rate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration fair value measurement input	0.100
Discount Rate | Summit Materials, LLC
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration fair value measurement input	0.100

XML

FAIR VALUE - Carrying Value and Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Jul. 01, 2023	Dec. 31, 2022
Financial Instruments
Current portion of long-term debt	$ 5,096	$ 5,096
Summit Materials, LLC
Financial Instruments
Current portion of long-term debt	5,096	5,096
Level 1 | Fair Value
Financial Instruments
Long-term debt	1,456,913	1,447,673
Level 1 | Carrying Value
Financial Instruments
Long-term debt	1,502,511	1,504,549
Level 1 | Summit Materials, LLC
Financial Instruments
Current portion of long-term debt	5,100	5,100
Level 1 | Summit Materials, LLC | Fair Value
Financial Instruments
Long-term debt	1,456,913	1,447,673
Level 1 | Summit Materials, LLC | Carrying Value
Financial Instruments
Long-term debt	1,502,511	1,504,549
Level 3 | Fair Value
Financial Instruments
Current portion of deferred consideration and noncompete obligations	6,907	13,382
Long term portion of deferred consideration and noncompete obligations	18,401	24,070
Level 3 | Carrying Value
Financial Instruments
Current portion of deferred consideration and noncompete obligations	6,907	13,382
Long term portion of deferred consideration and noncompete obligations	18,401	24,070
Level 3 | Summit Materials, LLC | Fair Value
Financial Instruments
Current portion of deferred consideration and noncompete obligations	6,907	13,382
Long term portion of deferred consideration and noncompete obligations	18,401	24,070
Level 3 | Summit Materials, LLC | Carrying Value
Financial Instruments
Current portion of deferred consideration and noncompete obligations	6,907	13,382
Long term portion of deferred consideration and noncompete obligations	18,401	24,070
Fair Value, Inputs, Level 1 | Fair Value
Financial Instruments
Current portion of long-term debt	$ 5,100	$ 5,100

XML

SEGMENT INFORMATION - Financial Data (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2023 USD ($)	Jul. 02, 2022 USD ($)	Jul. 01, 2023 USD ($) segment	Jul. 02, 2022 USD ($)	Dec. 31, 2022 USD ($)
Segment Reporting Information [Line Items]
Number of operating segments | segment			3
Number of reportable segments | segment			3
Total revenue	$ 729,150	$ 686,554	$ 1,164,538	$ 1,107,501
Income from operations before taxes	107,209	246,713	69,531	207,170
Interest expense	27,902	20,599	55,322	40,748
Depreciation, depletion and amortization	54,042	46,455	104,230	96,934
Accretion	745	702	1,451	1,416
Loss on debt financings	0	0	493	0
Tax receivable agreement expense	0	954	0	954
Gain on sale of businesses	0	(156,053)	0	(170,258)
Non-cash compensation	5,216	4,734	9,924	10,156
Other	(3,369)	(70)	(8,005)	177
Total Adjusted EBITDA	191,745	164,034	232,946	187,297
Total purchases of property, plant and equipment			126,893	129,580
Total depreciation, depletion, amortization and accretion	54,787	47,157	105,681	98,350
Total assets	4,395,487		4,395,487		$ 4,255,692
Operating segment
Segment Reporting Information [Line Items]
Total purchases of property, plant and equipment			120,542	123,922
Total depreciation, depletion, amortization and accretion	53,753	46,387	103,659	96,831
Total assets	4,026,126		4,026,126		3,590,603
Corporate and other
Segment Reporting Information [Line Items]
Total Adjusted EBITDA	(13,261)	(10,545)	(23,600)	(22,291)
Total purchases of property, plant and equipment			6,351	5,658
Total depreciation, depletion, amortization and accretion	1,034	770	2,022	1,519
Total assets	369,361		369,361		665,089
West
Segment Reporting Information [Line Items]
Total revenue	430,738	383,750	681,620	635,982
West | Operating segment
Segment Reporting Information [Line Items]
Total Adjusted EBITDA	104,517	84,644	137,195	117,336
Total purchases of property, plant and equipment			70,687	58,137
Total depreciation, depletion, amortization and accretion	28,144	22,012	54,517	46,587
Total assets	1,919,824		1,919,824		1,565,776
East
Segment Reporting Information [Line Items]
Total revenue	186,537	209,153	316,926	331,643
East | Operating segment
Segment Reporting Information [Line Items]
Total Adjusted EBITDA	47,617	46,694	66,469	54,830
Total purchases of property, plant and equipment			30,378	45,910
Total depreciation, depletion, amortization and accretion	15,718	14,915	31,253	33,210
Total assets	1,181,536		1,181,536		1,151,223
Cement
Segment Reporting Information [Line Items]
Total revenue	111,875	93,651	165,992	139,876
Cement | Operating segment
Segment Reporting Information [Line Items]
Total Adjusted EBITDA	52,872	43,241	52,882	37,422
Total purchases of property, plant and equipment			19,477	19,875
Total depreciation, depletion, amortization and accretion	9,891	9,460	17,889	17,034
Total assets	924,766		$ 924,766		873,604
Summit Materials, LLC
Segment Reporting Information [Line Items]
Number of operating segments | segment			3
Number of reportable segments | segment			3
Total revenue	729,150	686,554	$ 1,164,538	1,107,501
Income from operations before taxes	107,209	247,667	69,531	208,124
Interest expense	27,902	20,599	55,322	40,748
Depreciation, depletion and amortization	54,042	46,455	104,230	96,934
Accretion	745	702	1,451	1,416
Loss on debt financings	0	0	493	0
Gain on sale of businesses	0	(156,053)	0	(170,258)
Non-cash compensation	5,216	4,734	9,924	10,156
Other	(3,369)	(70)	(8,005)	177
Total Adjusted EBITDA	191,745	164,034	232,946	187,297
Total purchases of property, plant and equipment			126,893	129,580
Total depreciation, depletion, amortization and accretion	54,787	47,157	105,681	98,350
Total assets	4,269,670		4,269,670		4,119,706
Summit Materials, LLC | Operating segment
Segment Reporting Information [Line Items]
Total purchases of property, plant and equipment			120,542	123,922
Total depreciation, depletion, amortization and accretion	53,753	46,387	103,659	96,831
Total assets	4,026,126		4,026,126		3,590,603
Summit Materials, LLC | Corporate and other
Segment Reporting Information [Line Items]
Total Adjusted EBITDA	(13,261)	(10,545)	(23,600)	(22,291)
Total purchases of property, plant and equipment			6,351	5,658
Total depreciation, depletion, amortization and accretion	1,034	770	2,022	1,519
Total assets	243,544		243,544		529,103
Summit Materials, LLC | West
Segment Reporting Information [Line Items]
Total revenue	430,738	383,750	681,620	635,982
Summit Materials, LLC | West | Operating segment
Segment Reporting Information [Line Items]
Total Adjusted EBITDA	104,517	84,644	137,195	117,336
Total purchases of property, plant and equipment			70,687	58,137
Total depreciation, depletion, amortization and accretion	28,144	22,012	54,517	46,587
Total assets	1,919,824		1,919,824		1,565,776
Summit Materials, LLC | East
Segment Reporting Information [Line Items]
Total revenue	186,537	209,153	316,926	331,643
Summit Materials, LLC | East | Operating segment
Segment Reporting Information [Line Items]
Total Adjusted EBITDA	47,617	46,694	66,469	54,830
Total purchases of property, plant and equipment			30,378	45,910
Total depreciation, depletion, amortization and accretion	15,718	14,915	31,253	33,210
Total assets	1,181,536		1,181,536		1,151,223
Summit Materials, LLC | Cement
Segment Reporting Information [Line Items]
Total revenue	111,875	93,651	165,992	139,876
Summit Materials, LLC | Cement | Operating segment
Segment Reporting Information [Line Items]
Total Adjusted EBITDA	52,872	43,241	52,882	37,422
Total purchases of property, plant and equipment			19,477	19,875
Total depreciation, depletion, amortization and accretion	9,891	$ 9,460	17,889	$ 17,034
Total assets	$ 924,766		$ 924,766		$ 873,604

XML

GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION - Schedule of Condensed Consolidating Balance Sheets (Details) - USD ($) $ in Thousands	Jul. 01, 2023	Apr. 01, 2023	Dec. 31, 2022	Jul. 02, 2022	Apr. 02, 2022	Jan. 01, 2022
Current assets:
Cash and cash equivalents	$ 230,010		$ 520,451
Accounts receivable, net	370,504		256,669
Cost and estimated earnings in excess of billings	35,315		6,510
Inventories	246,275		212,491
Total current assets	906,302		1,018,376
Property, plant and equipment, net	1,979,986		1,813,702
Goodwill	1,228,468		1,132,546
Intangible assets, net	69,714		71,384
Operating lease right-of-use assets	36,013		37,889
Total assets	4,395,487		4,255,692
Current liabilities:
Current portion of debt	5,096		5,096
Current portion of acquisition-related liabilities	7,243		13,718
Accounts payable	171,221		104,031
Current operating lease liabilities	7,707		7,296
Billings in excess of costs and estimated earnings	7,054		5,739
Total current liabilities	346,981		255,847
Long-term debt	1,487,289		1,488,569
Acquisition-related liabilities	23,503		29,051
Noncurrent operating lease liabilities	33,563		35,737
Total liabilities	2,321,523		2,243,702
Total liabilities and members' interest	4,395,487		4,255,692
Summit Materials, LLC
Current assets:
Cash and cash equivalents	230,010		520,451
Accounts receivable, net	370,504		256,669
Intercompany receivables	0		0
Cost and estimated earnings in excess of billings	35,315		6,510
Inventories	246,275		212,491
Other current assets	24,198		22,255
Total current assets	906,302		1,018,376
Property, plant and equipment, net	1,979,986		1,813,702
Goodwill	1,229,468		1,133,546
Intangible assets, net	69,714		71,384
Operating lease right-of-use assets	36,013		37,889
Other assets	48,187		44,809
Total assets	4,269,670		4,119,706
Current liabilities:
Current portion of debt	5,096		5,096
Current portion of acquisition-related liabilities	7,243		13,718
Accounts payable	171,076		104,430
Accrued expenses	144,745		120,708
Current operating lease liabilities	7,707		7,296
Intercompany payables	0		0
Billings in excess of costs and estimated earnings	7,054		5,739
Total current liabilities	342,921		256,987
Long-term debt	1,487,289		1,488,569
Acquisition-related liabilities	23,503		29,051
Noncurrent operating lease liabilities	33,563		35,737
Other noncurrent liabilities	167,090		166,212
Total liabilities	2,054,366		1,976,556
Total member's interest	2,215,304	$ 2,105,146	2,143,150	$ 2,039,348	$ 1,797,061	$ 1,884,944
Total liabilities and members' interest	4,269,670		4,119,706
Summit Materials, LLC | Eliminations
Current assets:
Cash and cash equivalents	(5,375)		(7,018)
Accounts receivable, net	(91)		(25)
Intercompany receivables	(2,296,652)		(2,267,134)
Cost and estimated earnings in excess of billings	0		0
Inventories	0		0
Other current assets	0		0
Total current assets	(2,302,118)		(2,274,177)
Property, plant and equipment, net	0		0
Goodwill	0		0
Intangible assets, net	0		0
Operating lease right-of-use assets	0		0
Other assets	(5,185,889)		(4,760,543)
Total assets	(7,488,007)		(7,034,720)
Current liabilities:
Current portion of debt	0		0
Current portion of acquisition-related liabilities	0		0
Accounts payable	(91)		(25)
Accrued expenses	(5,375)		(7,018)
Current operating lease liabilities	0		0
Intercompany payables	(2,296,652)		(2,267,134)
Billings in excess of costs and estimated earnings	0		0
Total current liabilities	(2,302,118)		(2,274,177)
Long-term debt	0		0
Acquisition-related liabilities	0		0
Noncurrent operating lease liabilities	0		0
Other noncurrent liabilities	(164,421)		(164,421)
Total liabilities	(2,466,539)		(2,438,598)
Total member's interest	(5,021,468)		(4,596,122)
Total liabilities and members' interest	(7,488,007)		(7,034,720)
Summit Materials, LLC | Issuers | Reportable Legal Entities
Current assets:
Cash and cash equivalents	197,481		498,307
Accounts receivable, net	603		1,528
Intercompany receivables	311,267		329,744
Cost and estimated earnings in excess of billings	0		0
Inventories	0		0
Other current assets	11,596		4,755
Total current assets	520,947		834,334
Property, plant and equipment, net	27,660		21,306
Goodwill	0		0
Intangible assets, net	0		0
Operating lease right-of-use assets	4,225		4,665
Other assets	5,016,546		4,599,488
Total assets	5,569,378		5,459,793
Current liabilities:
Current portion of debt	5,096		5,096
Current portion of acquisition-related liabilities	0		0
Accounts payable	5,622		3,553
Accrued expenses	64,653		54,417
Current operating lease liabilities	946		921
Intercompany payables	1,776,656		1,750,352
Billings in excess of costs and estimated earnings	0		0
Total current liabilities	1,852,973		1,814,339
Long-term debt	1,487,289		1,488,569
Acquisition-related liabilities	0		0
Noncurrent operating lease liabilities	8,315		8,726
Other noncurrent liabilities	5,497		5,009
Total liabilities	3,354,074		3,316,643
Total member's interest	2,215,304		2,143,150
Total liabilities and members' interest	5,569,378		5,459,793
Summit Materials, LLC | Guarantors  | Reportable Legal Entities
Current assets:
Cash and cash equivalents	5,698		2,864
Accounts receivable, net	341,501		233,039
Intercompany receivables	1,985,385		1,937,390
Cost and estimated earnings in excess of billings	33,533		5,861
Inventories	239,848		206,418
Other current assets	11,143		16,341
Total current assets	2,617,108		2,401,913
Property, plant and equipment, net	1,871,238		1,710,972
Goodwill	1,171,500		1,076,935
Intangible assets, net	65,279		66,972
Operating lease right-of-use assets	27,149		28,310
Other assets	216,720		204,644
Total assets	5,968,994		5,489,746
Current liabilities:
Current portion of debt	0		0
Current portion of acquisition-related liabilities	7,243		13,718
Accounts payable	153,815		93,096
Accrued expenses	82,359		70,433
Current operating lease liabilities	6,099		5,637
Intercompany payables	516,160		513,494
Billings in excess of costs and estimated earnings	6,313		4,956
Total current liabilities	771,989		701,334
Long-term debt	0		0
Acquisition-related liabilities	23,503		29,051
Noncurrent operating lease liabilities	21,355		22,871
Other noncurrent liabilities	208,578		208,185
Total liabilities	1,025,425		961,441
Total member's interest	4,943,569		4,528,305
Total liabilities and members' interest	5,968,994		5,489,746
Summit Materials, LLC | Non-Guarantors | Reportable Legal Entities
Current assets:
Cash and cash equivalents	32,206		26,298
Accounts receivable, net	28,491		22,127
Intercompany receivables	0		0
Cost and estimated earnings in excess of billings	1,782		649
Inventories	6,427		6,073
Other current assets	1,459		1,159
Total current assets	70,365		56,306
Property, plant and equipment, net	81,088		81,424
Goodwill	57,968		56,611
Intangible assets, net	4,435		4,412
Operating lease right-of-use assets	4,639		4,914
Other assets	810		1,220
Total assets	219,305		204,887
Current liabilities:
Current portion of debt	0		0
Current portion of acquisition-related liabilities	0		0
Accounts payable	11,730		7,806
Accrued expenses	3,108		2,876
Current operating lease liabilities	662		738
Intercompany payables	3,836		3,288
Billings in excess of costs and estimated earnings	741		783
Total current liabilities	20,077		15,491
Long-term debt	0		0
Acquisition-related liabilities	0		0
Noncurrent operating lease liabilities	3,893		4,140
Other noncurrent liabilities	117,436		117,439
Total liabilities	141,406		137,070
Total member's interest	77,899		67,817
Total liabilities and members' interest	$ 219,305		$ 204,887

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GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION - Schedule of Condensed Consolidating Statements of Operations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022	Jul. 01, 2023	Jul. 02, 2022
Condensed Consolidating Statements of Operations
Total revenue	$ 729,150	$ 686,554	$ 1,164,538	$ 1,107,501
Cost of revenue (excluding items shown separately below)	492,403	484,205	846,440	837,585
Depreciation, depletion, amortization and accretion	54,787	47,157	105,681	98,350
Operating income	129,633	111,236	114,158	76,941
Gain on sale of business	0	(156,053)	0	(170,258)
Income from operations before taxes	107,209	246,713	69,531	207,170
Income tax expense	22,481	53,947	16,015	49,204
Net income attributable to Summit Inc.	83,637	190,113	52,833	155,821
Comprehensive income attributable to member of Summit Materials, LLC	86,718	185,917	56,075	152,931
Summit Materials, LLC
Condensed Consolidating Statements of Operations
Total revenue	729,150	686,554	1,164,538	1,107,501
Cost of revenue (excluding items shown separately below)	492,403	484,205	846,440	837,585
General and administrative expenses	52,327	43,956	98,259	94,625
Depreciation, depletion, amortization and accretion	54,787	47,157	105,681	98,350
Operating income	129,633	111,236	114,158	76,941
Other (income) loss, net	(5,478)	(977)	(10,695)	(1,673)
Interest expense (income)	27,902	20,599	55,322	40,748
Gain on sale of business	0	(156,053)	0	(170,258)
Income from operations before taxes	107,209	247,667	69,531	208,124
Income tax expense	7,119	5,566	6,652	12,410
Net income attributable to Summit Inc.	100,090	242,101	62,879	195,714
Comprehensive income attributable to member of Summit Materials, LLC	103,992	236,491	66,984	191,848
Summit Materials, LLC | Eliminations
Condensed Consolidating Statements of Operations
Total revenue	(1,563)	(4,160)	(2,358)	(5,490)
Cost of revenue (excluding items shown separately below)	(1,563)	(4,160)	(2,358)	(5,490)
General and administrative expenses	0	0	0	0
Depreciation, depletion, amortization and accretion	0	0	0	0
Operating income	0	0	0	0
Other (income) loss, net	157,097	166,158	171,811	171,940
Interest expense (income)	0	0	0	0
Gain on sale of business		0		0
Income from operations before taxes	(157,097)	(166,158)	(171,811)	(171,940)
Income tax expense	0	0	0	0
Net income attributable to Summit Inc.	(157,097)	(166,158)	(171,811)	(171,940)
Comprehensive income attributable to member of Summit Materials, LLC	(153,195)	(171,768)	(167,706)	(175,806)
Issuers | Summit Materials, LLC | Reportable Legal Entities
Condensed Consolidating Statements of Operations
Total revenue	0	0	0	0
Cost of revenue (excluding items shown separately below)	0	0	0	0
General and administrative expenses	18,653	15,919	33,873	33,223
Depreciation, depletion, amortization and accretion	1,034	769	2,022	1,518
Operating income	(19,687)	(16,688)	(35,895)	(34,741)
Other (income) loss, net	(160,703)	(166,798)	(179,850)	(172,716)
Interest expense (income)	40,430	33,579	80,276	67,481
Gain on sale of business		(126,601)		(126,601)
Income from operations before taxes	100,586	243,132	63,679	197,095
Income tax expense	496	1,031	800	1,381
Net income attributable to Summit Inc.	100,090	242,101	62,879	195,714
Comprehensive income attributable to member of Summit Materials, LLC	103,992	236,491	66,984	191,848
Guarantors  | Summit Materials, LLC | Reportable Legal Entities
Condensed Consolidating Statements of Operations
Total revenue	695,912	656,952	1,104,334	1,052,132
Cost of revenue (excluding items shown separately below)	469,869	464,383	805,079	798,647
General and administrative expenses	32,007	26,426	60,955	58,099
Depreciation, depletion, amortization and accretion	50,918	43,342	98,071	90,839
Operating income	143,118	122,801	140,229	104,547
Other (income) loss, net	(1,271)	(433)	(1,547)	(986)
Interest expense (income)	(13,898)	(14,350)	(27,694)	(29,473)
Gain on sale of business		(29,452)		(43,657)
Income from operations before taxes	158,287	167,036	169,470	178,663
Income tax expense	5,146	3,548	3,635	9,866
Net income attributable to Summit Inc.	153,141	163,488	165,835	168,797
Comprehensive income attributable to member of Summit Materials, LLC	153,141	163,488	165,835	168,797
Non-Guarantors | Summit Materials, LLC | Reportable Legal Entities
Condensed Consolidating Statements of Operations
Total revenue	34,801	33,762	62,562	60,859
Cost of revenue (excluding items shown separately below)	24,097	23,982	43,719	44,428
General and administrative expenses	1,667	1,611	3,431	3,303
Depreciation, depletion, amortization and accretion	2,835	3,046	5,588	5,993
Operating income	6,202	5,123	9,824	7,135
Other (income) loss, net	(601)	96	(1,109)	89
Interest expense (income)	1,370	1,370	2,740	2,740
Gain on sale of business		0		0
Income from operations before taxes	5,433	3,657	8,193	4,306
Income tax expense	1,477	987	2,217	1,163
Net income attributable to Summit Inc.	3,956	2,670	5,976	3,143
Comprehensive income attributable to member of Summit Materials, LLC	$ 54	$ 8,280	$ 1,871	$ 7,009

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GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION - Schedule of Condensed Consolidating Statements of Cash Flows (Details) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Jul. 01, 2023	Jul. 02, 2022	Dec. 31, 2022
Condensed Consolidating Statements of Operations
Net cash (used in) provided by operating activities	$ 94,042	$ 16,254
Cash flows from investing activities:
Acquisitions, net of cash acquired	(237,666)	(1,933)
Purchase of property, plant and equipment	(126,893)	(129,580)
Proceeds from the sale of property, plant, and equipment	5,760	5,427
Proceeds from sale of businesses	0	341,741
Other	(1,852)	(1,098)
Net cash (used in) provided by financing activities	(360,651)	214,557
Cash flows from financing activities:
Payments on long-term debt	(6,720)	(86,821)
Payments on acquisition-related liabilities	(11,539)	(11,577)
Distributions from partnership	0	(25)
Debt issuance costs	(1,566)
Other	(4,838)	(187)
Net cash used in financing activities	(24,579)	(145,996)
Impact of foreign currency on cash	747	(461)
Net (decrease) increase in cash	(290,441)	84,354
Cash and cash equivalents – beginning of period	520,451	380,961	$ 380,961
Cash and cash equivalents – end of period	230,010	465,315	520,451
Summit Materials, LLC
Condensed Consolidating Statements of Operations
Net cash (used in) provided by operating activities	94,042	16,254
Cash flows from investing activities:
Acquisitions, net of cash acquired	(237,666)	(1,933)
Purchase of property, plant and equipment	(126,893)	(129,580)
Proceeds from the sale of property, plant, and equipment	5,760	5,427
Proceeds from sale of businesses	0	341,741
Other	(1,852)	(1,098)
Net cash (used in) provided by financing activities	(360,651)	214,557
Cash flows from financing activities:
Capital distributions to member	84	(47,386)
Loans received from and payments made on loans from other Summit Companies	0	0
Payments on long-term debt	(6,720)	(86,821)
Payments on acquisition-related liabilities	(11,539)	(11,577)
Distributions from partnership	0	(25)
Debt issuance costs	(1,566)
Other	(4,838)	(187)
Net cash used in financing activities	(24,579)	(145,996)
Impact of foreign currency on cash	747	(461)
Net (decrease) increase in cash	(290,441)	84,354
Cash and cash equivalents – beginning of period	520,451	380,961	380,961
Cash and cash equivalents – end of period	230,010	465,315	520,451
Summit Materials, LLC | Eliminations
Condensed Consolidating Statements of Operations
Net cash (used in) provided by operating activities	0	0
Cash flows from investing activities:
Acquisitions, net of cash acquired	0	0
Purchase of property, plant and equipment	0	0
Proceeds from the sale of property, plant, and equipment	0	0
Proceeds from sale of businesses		0
Other	0	0
Net cash (used in) provided by financing activities	0	0
Cash flows from financing activities:
Capital distributions to member	0	0
Loans received from and payments made on loans from other Summit Companies	1,643	621
Payments on long-term debt	0	0
Payments on acquisition-related liabilities	0	0
Distributions from partnership		0
Debt issuance costs	0
Other	0	0
Net cash used in financing activities	1,643	621
Impact of foreign currency on cash	0	0
Net (decrease) increase in cash	1,643	621
Cash and cash equivalents – beginning of period	(7,018)	(4,684)	(4,684)
Cash and cash equivalents – end of period	(5,375)	(4,063)	(7,018)
Summit Materials, LLC | Issuers | Reportable Legal Entities
Condensed Consolidating Statements of Operations
Net cash (used in) provided by operating activities	(62,840)	(63,758)
Cash flows from investing activities:
Acquisitions, net of cash acquired	0	0
Purchase of property, plant and equipment	(6,350)	(5,657)
Proceeds from the sale of property, plant, and equipment	0	0
Proceeds from sale of businesses		0
Other	0	0
Net cash (used in) provided by financing activities	(6,350)	(5,657)
Cash flows from financing activities:
Capital distributions to member	(239,264)	(49,319)
Loans received from and payments made on loans from other Summit Companies	13,332	275,632
Payments on long-term debt	(2,548)	(75,553)
Payments on acquisition-related liabilities	0	0
Distributions from partnership		(25)
Debt issuance costs	(1,566)
Other	(1,590)	(187)
Net cash used in financing activities	(231,636)	150,548
Impact of foreign currency on cash	0	0
Net (decrease) increase in cash	(300,826)	81,133
Cash and cash equivalents – beginning of period	498,307	365,044	365,044
Cash and cash equivalents – end of period	197,481	446,177	498,307
Summit Materials, LLC | Guarantors  | Reportable Legal Entities
Condensed Consolidating Statements of Operations
Net cash (used in) provided by operating activities	146,620	73,145
Cash flows from investing activities:
Acquisitions, net of cash acquired	(237,666)	(1,933)
Purchase of property, plant and equipment	(117,310)	(121,589)
Proceeds from the sale of property, plant, and equipment	5,435	5,182
Proceeds from sale of businesses		341,741
Other	(1,852)	(1,098)
Net cash (used in) provided by financing activities	(351,393)	222,303
Cash flows from financing activities:
Capital distributions to member	239,348	1,933
Loans received from and payments made on loans from other Summit Companies	(12,997)	(273,262)
Payments on long-term debt	(4,172)	(11,268)
Payments on acquisition-related liabilities	(11,539)	(11,577)
Distributions from partnership		0
Debt issuance costs	0
Other	(3,033)	0
Net cash used in financing activities	207,607	(294,174)
Impact of foreign currency on cash	0	0
Net (decrease) increase in cash	2,834	1,274
Cash and cash equivalents – beginning of period	2,864	2,264	2,264
Cash and cash equivalents – end of period	5,698	3,538	2,864
Summit Materials, LLC | Non-Guarantors | Reportable Legal Entities
Condensed Consolidating Statements of Operations
Net cash (used in) provided by operating activities	10,262	6,867
Cash flows from investing activities:
Acquisitions, net of cash acquired	0	0
Purchase of property, plant and equipment	(3,233)	(2,334)
Proceeds from the sale of property, plant, and equipment	325	245
Proceeds from sale of businesses		0
Other	0	0
Net cash (used in) provided by financing activities	(2,908)	(2,089)
Cash flows from financing activities:
Capital distributions to member	0	0
Loans received from and payments made on loans from other Summit Companies	(1,978)	(2,991)
Payments on long-term debt	0	0
Payments on acquisition-related liabilities	0	0
Distributions from partnership		0
Debt issuance costs	0
Other	(215)	0
Net cash used in financing activities	(2,193)	(2,991)
Impact of foreign currency on cash	747	(461)
Net (decrease) increase in cash	5,908	1,326
Cash and cash equivalents – beginning of period	26,298	18,337	18,337
Cash and cash equivalents – end of period	$ 32,206	$ 19,663	$ 26,298