Record Safety Performance

Record Annual Organic Pricing Growth for All Lines of Business

Record Annual Operating Income

Summit Materials, Inc. (NYSE:SUM) ("Summit," "Summit Materials," "Summit Inc." or the "Company"), a leading vertically integrated construction materials company, today announced results for the fourth quarter and full year ended December 31, 2022. All comparisons are versus the quarter ended January 1, 2022 unless noted otherwise.

	Three months ended					Year ended
($ in thousands , except per share amounts)	December 31, 2022		January 1, 2022		% Chg vs. PY	December 31, 2022		January 1, 2022		% Chg vs. PY
Net revenue	$	511,662	$	553,426	(7.5) %	$	2,222,084	$	2,232,696	(0.5) %
Operating income		65,044		57,184	13.7 %		269,047		253,065	6.3 %
Net income		30,326		44,390	(31.7) %		275,943		154,281	78.9 %
Basic EPS	$	0.25	$	0.36	(30.6) %	$	2.27	$	1.27	78.7 %

Adjusted Cash Gross Profit		161,618		161,604	— %		649,345		673,259	(3.6) %
Adjusted EBITDA		119,291		124,272	(4.0) %		491,476		520,082	(5.5) %

"Our fourth quarter caps a year of tremendous strategic progress. I am proud that, despite challenging macro conditions, in 2022 Summit Materials effectively completed our divestiture program, further fortified our balance sheet, set an Elevate Summit high water mark for ROIC, returned over $100 million to shareholders, and delivered record organic pricing growth across all lines of business," commented Anne Noonan, Summit Materials President and CEO. "Thanks to our team's dedicated focus on our Elevate Summit strategy we navigated dynamic market conditions and delivered admirable financial results consistent with the expectations we previously laid out. Achieving solid Adjusted EBITDA growth on a pro forma basis in the midst of historic cost inflation represents very strong operating performance and provides substantial momentum heading into 2023.

"More importantly, as we look to 2023, we strongly believe that the outlook we provide today is both achievable and appropriate given the level of uncertainty in the marketplace. We are well positioned and prepared to execute on the commercial and operational plans that are within our control with especially strong tailwinds from pricing expected in the year ahead. That said, cost trends and residential end market visibility are cause for a certain amount of managerial caution as we move into 2023. We believe we are taking a balanced, if not prudent, approach in setting expectation for next year and will leverage Summit's organizational agility to mitigate risk and capitalize on all market opportunities available to us."

Brian Harris, CFO of Summit Materials added, "The portfolio optimizing transactions we've completed since the launch of Elevate Summit together with a materials-led approach to M&A not only enhances our product mix and profitability, but also strengthens our balance sheet and the economic durability of our company. We continue to pursue a capital allocation approach that first prioritizes investments in high return organic and inorganic opportunities and then looks to opportunistically return capital to shareholders. This, coupled with sound operational execution, is a powerful combination to drive attractive shareholder value."

2023 Guidance

For the full year 2023, Summit is currently projecting Adjusted EBITDA of approximately $480 million to $520 million and expects 2023 capital expenditures of approximately $220 million to $240 million including greenfield projects.

Adjusted EBITDA is a non-GAAP measure. Refer to the "Non-GAAP Financial Measures" section for more information. Because GAAP financial measures on a forward-looking basis are not accessible, and reconciling information is not available without unreasonable effort, we have not provided reconciliations for forward-looking non-GAAP measures. For the same reasons, we are unable to address the probable significance of the unavailable information, which could be material to future results.

Full Year 2022 | Total Company Results

Net revenue decreased $10.6 million, or 0.5% in 2022 to $2.2 billion, as strong pricing growth across all lines of business nearly offset lower volumes and the impact of divestitures.

Operating income increased $16.0 million, or 6.3% in 2022 to $269.0 million, as higher revenue combined with lower depreciation, depletion, and amortization as well as lower general and administrative expenses more than offset higher cost of revenue. Summit's operating margin percentage for 2022 increased to 12.1% from 11.3% in 2021, due to the factors noted above.

Net income attributable to Summit Inc. increased to $272.1 million, or $2.27 per basic share, compared to $152.2 million, or $1.27 per basic share in the comparable prior year period. Summit reported adjusted diluted net income of $153.9 million, or $1.27 per adjusted diluted share as compared to $138.4 million, or $1.14 per adjusted diluted share in the prior year period.

Adjusted EBITDA decreased $28.6 million, or 5.5% to $491.5 million, primarily due to a decrease of $40.9 million from divestitures.

Fourth Quarter 2022 | Total Company Results

Net revenue decreased $41.8 million, or 7.5% in the fourth quarter to $511.7 million, as increases in average sales prices across all lines of business were more than offset by lower volumes, which includes the impact of divestitures.

Operating income increased $7.9 million, or 13.7% in the fourth quarter to $65.0 million, due to lower depletion, amortization and accretion expenses as well as gains on the sale of property, plant and equipment. Summit's operating margin percentage for the three months ended December 31, 2022 increased to 12.7% from 10.3%, from the comparable period a year ago.

Net income attributable to Summit Inc. decreased to $29.8 million, or $0.25 per basic share, compared to $43.8 million, or $0.36 per basic share in the comparable prior year period. Summit reported adjusted diluted net income of $38.3 million, or $0.32 per adjusted diluted share as compared to $34.0 million, or $0.28 per adjusted diluted share in the prior year period.

Adjusted EBITDA decreased $5.0 million, or 4.0% to $119.3 million reflecting the impact of divestitures and inflationary cost of revenue conditions that more than offset pricing gains and lower general and administrative expenses relative to the prior year period. Excluding the impacts of acquisitions and divestitures, Adjusted EBITDA would have grown in the fourth quarter.

Full Year 2022 | Results by Line of Business

Aggregates Business: Aggregates net revenues increased $10.8 million to $584.0 million in 2022. Aggregates adjusted cash gross profit margin decreased to 48.5% in 2022 as compared to 51.7% in 2021. Aggregates sales volume decreased 7.3% in 2022, primarily reflecting the impact of divestitures and unfavorable weather conditions. Excluding divestitures, organic sales volume decreased 2.8% in 2022. By market, volume performance was strongest in Virginia, Houston, and the Intermountain West. 2022 was a record pricing year as average selling prices for aggregates increased 8.2% fueled by 10.4% pricing growth in the West Segment and 7.3% pricing growth in the East Segment.

Cement Business: Cement Segment net revenues increased 20.0% to $357.7 million in 2022. Cement Segment adjusted cash gross profit margin of 39.6% in 2022 was relatively flat compared to 2021 adjusted cash gross profit margin of 39.9%. Sales volume of cement increased 4.2% and average selling prices increased 12.0% in 2022.

Products Business: Products net revenues decreased 4.8% in 2022. Products adjusted cash gross profit margin of 17.1% in 2022 decreased from 18.3% in 2021. Ready-mix concrete average selling prices increased 13.3% reflecting inflation-justified price increases and sales volumes decreased 13.5%, which includes the impact of divestitures. Ready-mix volumes in Houston and Salt Lake City, the Company's two primary residential markets, decreased 4.3% and 4.7%, respectively in 2022. Average selling prices for asphalt increased 19.0% with pricing growth across both reporting segments. Asphalt volume decreased 26.4% due to the divestiture of a paving business in 2021.

Fourth Quarter 2022 | Results by Line of Business

Aggregates Business: Aggregates net revenues decreased by $6.4 million to $135.6 million in the fourth quarter. Aggregates adjusted cash gross profit margin increased to 47.8% in the fourth quarter as compared to 45.7% in the prior year period. Aggregates sales volume decreased 17.0% in the fourth quarter due primarily to divestitures in the East Segment. Organic aggregates sales volumes declined 12.0% driven by a combination of unfavorable weather conditions, supply chain related disruptions, and moderating residential demand. Average selling prices for aggregates increased 13.9% in the fourth quarter with growth across all markets and led by the strongest gains in Texas, the Intermountain West, and the Carolinas.

Cement Business: Cement Segment net revenues increased 23.6% to $97.9 million in the fourth quarter. Cement Segment adjusted cash gross profit margin increased to 47.1% in the fourth quarter, compared to 42.7% in the prior year period as strong pricing gains more than offset higher variable costs and a greater proportion of sales from imports. Sales volume of cement increased 1.7% reflecting a healthy demand environment. Average selling prices increased 16.6% in the fourth quarter driven by compounding pricing actions taken in 2022 and an ongoing focus to improve customer mix.

Products Business: Products net revenues were $221.5 million in the fourth quarter, compared to $263.2 million in the prior year period. Products adjusted cash gross profit margin decreased to 17.1% in the fourth quarter, versus 18.3% in the prior year period. Organic average sales price for ready-mix concrete increased 20.7% driven by pricing growth across all markets, with strong, double-digit growth in Texas and the Intermountain West. Organic sales volumes of ready-mix concrete decreased 16.3% due to wet conditions, particularly in Texas and, to a lesser extent, moderating residential activity. Organic average selling prices for asphalt increased 19.3%, driven by strong pricing gains in North Texas and the Intermountain West. Organic asphalt sales volume decreased 12.3% as volume growth in the Intermountain West was more than offset by lower sales volumes in North Texas.

Full Year 2022 | Results By Reporting Segment

West Segment: The West Segment operating income increased 6.2% to $181.8 million and Adjusted EBITDA increased 3.3% to $280.6 million in 2022. Aggregates revenue in 2022 increased 9.0% driven by a 10.4% increase in average sales prices that was only partially offset by a 1.3% decrease in volume. Despite lower volumes in Texas and the Intermountain West, ready-mix concrete revenue in 2022 increased 9.5% with average sales price growth of 14.3% including double-digit pricing growth in Houston and Salt Lake City. Asphalt revenue increased by 3.7% as volumes decreased 10.2% due to a divestiture in the second quarter 2021 that was more than offset by 17.7% growth in average selling prices in 2022.

East Segment: The East Segment operating income decreased 28.6% to $64.6 million and Adjusted EBITDA decreased 28.8% to $129.2 million in 2022 due primarily to divestitures. Aggregates revenue decreased 7.1% despite 7.3% growth in average selling prices as volumes declined 13.4% due primarily to divestitures and unfavorable weather conditions. Ready-mix concrete revenue decreased 40.6% as volumes decreased by 44.1%, partially offset by average selling price growth of 6.4%. Asphalt revenue decreased 52.2% with volumes down 54.7% due to divestitures. Asphalt average selling prices increased 17.3% on higher liquid asphalt index prices across several markets.

Cement Segment: The Cement Segment operating income increased 34.8% to $89.2 million. Adjusted EBITDA increased 7.2% to $125.6 million in 2022 as demand conditions supported volume and pricing growth. The segment reported growth in sales volumes and average selling prices of 4.2% and 12.0%, respectively in 2022.

Fourth Quarter 2022 | Results By Reporting Segment

West Segment: The West Segment operating income increased 7.6% to $38.2 million and Adjusted EBITDA increased 8.5% to $64.9 million in the fourth quarter due primarily to pricing gains that more than offset lower volumes and inflationary cost conditions. Aggregates revenue in the fourth quarter increased 4.2% as 20.9% pricing growth was partially offset by 13.8% volume declines. Pricing growth was strongest in Texas and Salt Lake City and followed by more moderate growth in British Columbia. Ready-mix concrete revenue in the fourth quarter increased 2.1% driven by 20.6% pricing growth and only partially offset by lower volumes, particularly in Houston. Lower aggregates and ready-mix volumes in Texas were due, in part, to wet weather conditions. Asphalt revenue increased 4.2% in the fourth quarter as sales prices increased 18.9% and volumes decreased 12.4% in the period.

East Segment: The East Segment operating income decreased 28.2% to $15.2 million and Adjusted EBITDA decreased 30.2% to $30.3 million in the fourth quarter reflecting the impact of divestitures. The impact from divestitures on Adjusted EBITDA was approximately $13.6 million in the period. Aggregates revenue decreased 13.4% versus the prior year period. Organic aggregates volumes decreased 9.8% driven, in part, by wet conditions in the Carolinas. Aggregates pricing increased 8.4% with double-digit growth in the Carolinas followed by high-single-digit growth in Northern Kansas, Missouri, and Virginia. Ready-mix concrete revenue decreased 50.8% due primarily to divestitures and despite average selling price growth of 10.4% in the period. Due to divestitures, asphalt revenue decreased 81.4%.

Cement Segment: The Cement Segment operating income increased 64.4% to $33.5 million in the fourth quarter. Adjusted EBITDA increased $6.7 million as revenue growth combined with greater contribution from Green America Recycling to more than offset inflationary conditions. In the fourth quarter, the Cement Segment reported a volume increase of 1.7% and average selling price growth of 16.6%.

Liquidity and Capital Resources

As of December 31, 2022, the Company had $520.5 million in cash and $1.5 billion in debt outstanding. The Company's $345 million revolving credit facility has $325.2 million available after outstanding letters of credit. In January 2023, the Company amended its senior secured revolving credit facility, increasing the total availability to $395 million and extending the maturity date to January 2028.

For the year ended December 31, 2022, cash flow provided by operations was $284.1 million and cash paid for capital expenditures was $266.7 million.

As of December 31, 2022, approximately $149.0 million remained available for share repurchase under the share repurchase program.

Webcast and Conference Call Information

Summit Materials will conduct a conference call on Thursday, February 16, 2023, at 1:00 p.m. eastern time (11:00 a.m. mountain time) to review the Company's fourth quarter and full year 2022 financial results, discuss recent events and conduct a question-and-answer session.

A webcast of the conference call and accompanying presentation materials will be available in the Investors section of Summit's website at investors.summit-materials.com. To listen to a live broadcast, go to the site at least 15 minutes prior to the scheduled start time in order to register, download, and install any necessary audio software.

A webcast of the fourth quarter and full year results conference call and accompanying presentation materials will be available in the Investors section of Summit's website at investors.summit-materials.com or at the following link: https://events.q4inc.com/attendee/534973317.

To participate in the live teleconference for fourth quarter and full year 2022 financial results:

Domestic Live:		1-888-330-3416
International Live:		1-646-960-0820
Conference ID:		1542153

To listen to a replay of the teleconference, which will be available through February 23, 2023:

Domestic Replay		1-800-770-2030
International Replay:		1-647-362-9199
Conference ID:		1542153

About Summit Materials

Summit Materials is a leading vertically integrated materials-based company that supplies aggregates, cement, ready-mix concrete and asphalt in the United States and British Columbia, Canada. Summit is a geographically diverse, materials-based business of scale that offers customers a single-source provider of construction materials and related downstream products in the public infrastructure, residential and nonresidential end markets. Summit has a strong track record of successful acquisitions since its founding and continues to pursue growth opportunities in new and existing markets. For more information about Summit Materials, please visit www.summit-materials.com.

Non-GAAP Financial Measures

The Securities and Exchange Commission ("SEC") regulates the use of "non-GAAP financial measures," such as Adjusted Net Income (Loss), Adjusted Diluted Net Income, Adjusted Diluted EPS, Adjusted EBITDA, Adjusted EBITDA Margin, Adjusted Cash Gross Profit, Adjusted Cash Gross Profit Margin, Free Cash Flow, Net Leverage and Net Debt which are derived on the basis of methodologies other than in accordance with U.S. generally accepted accounting principles ("U.S. GAAP"). We have provided these measures because, among other things, we believe that they provide investors with additional information to measure our performance, evaluate our ability to service our debt and evaluate certain flexibility under our restrictive covenants. Our Adjusted Net Income (Loss), Adjusted Diluted Net Income, Adjusted Diluted EPS, Adjusted EBITDA, Further Adjusted EBITDA, Adjusted EBITDA Margin, Adjusted Cash Gross Profit, Adjusted Cash Gross Profit Margin, Free Cash Flow, Net Leverage and Net Debt may vary from the use of such terms by others and should not be considered as alternatives to or more important than net income (loss), operating income (loss), revenue or any other performance measures derived in accordance with U.S. GAAP as measures of operating performance or to cash flows as measures of liquidity.

Adjusted EBITDA, Adjusted EBITDA Margin, and other non-GAAP measures have important limitations as analytical tools, and you should not consider them in isolation or as substitutes for analysis of our results as reported under U.S. GAAP. Some of the limitations of Adjusted EBITDA are that these measures do not reflect: (i) our cash expenditures or future requirements for capital expenditures or contractual commitments; (ii) changes in, or cash requirements for, our working capital needs; (iii) interest expense or cash requirements necessary to service interest and principal payments on our debt; and (iv) income tax payments we are required to make. Because of these limitations, we rely primarily on our U.S. GAAP results and use Adjusted EBITDA, Adjusted EBITDA Margin and other non-GAAP measures on a supplemental basis.

Adjusted EBITDA, Further Adjusted EBITDA, Adjusted EBITDA Margin, Adjusted Cash Gross Profit, Adjusted Cash Gross Profit Margin, Adjusted Net Income (Loss), Adjusted Diluted Net Income, Adjusted Diluted EPS, Free Cash Flow, Net Leverage and Net Debt reflect additional ways of viewing aspects of our business that, when viewed with our GAAP results and the accompanying reconciliations to U.S. GAAP financial measures included in the tables attached to this press release, may provide a more complete understanding of factors and trends affecting our business. We strongly encourage investors to review our consolidated financial statements in their entirety and not rely on any single financial measure. Reconciliations of the non-GAAP measures used in this press release are included in the attached tables.

Cautionary Statement Regarding Forward-Looking Statements

This press release 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 January 1, 2022, as filed with the SEC, and any factors discussed in the section entitled "Risk Factors" in any of our subsequently filed SEC filings.

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;

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;

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 substantial 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 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; and

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

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

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 press release. 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.

SUMMIT MATERIALS, INC. AND SUBSIDIARIES Consolidated Statements of Operations ($ in thousands, except share and per share amounts)

	Three months ended						Year ended
	December 31,			January 1,			December 31,			January 1,
	2022			2022			2022			2022
	(unaudited)			(unaudited)			(audited)			(audited)
Revenue:
Product	$	447,784		$	479,313		$	1,933,530		$	1,923,285
Service		63,878			74,113			288,554			309,411
Net revenue		511,662			553,426			2,222,084			2,232,696
Delivery and subcontract revenue		40,612			43,242			190,438			176,973
Total revenue		552,274			596,668			2,412,522			2,409,669
Cost of revenue (excluding items shown separately below):
Product		302,056			334,371			1,344,944			1,314,416
Service		47,988			57,451			227,795			245,021
Net cost of revenue		350,044			391,822			1,572,739			1,559,437
Delivery and subcontract cost		40,612			43,242			190,438			176,973
Total cost of revenue		390,656			435,064			1,763,177			1,736,410
General and administrative expenses		50,684			50,274			190,218			196,728
Depreciation, depletion, amortization and accretion		49,967			55,715			200,450			229,366
Gain on sale of property, plant and equipment		(4,077	)		(1,569	)		(10,370	)		(5,900	)
Operating income		65,044			57,184			269,047			253,065
Interest expense		24,241			19,704			86,969			92,240
Loss on debt financings		1,737			—			1,737			6,016
Tax receivable agreement expense (benefit)		612			(6,779	)		1,566			(6,779	)
Loss (gain) on sale of businesses		1,984			(4,692	)		(172,389	)		(20,011	)
Other income, net		(5,368	)		(6,317	)		(10,324	)		(17,038	)
Income from operations before taxes		41,838			55,268			361,488			198,637
Income tax expense		11,512			10,878			85,545			44,356
Net income		30,326			44,390			275,943			154,281
Net income attributable to Summit Holdings (1)		491			552			3,798			2,097
Net income attributable to Summit Inc.	$	29,835		$	43,838		$	272,145		$	152,184
Earnings per share of Class A common stock:
Basic	$	0.25		$	0.36		$	2.27		$	1.27
Diluted	$	0.25		$	0.36		$	2.26		$	1.26
Weighted average shares of Class A common stock:
Basic		118,542,728			120,804,241			119,894,444			119,629,294
Diluted		119,159,955			121,692,811			120,628,459			120,721,146

________________________________________________________

(1) Represents portion of business owned by pre-IPO investors rather than by Summit.

SUMMIT MATERIALS, INC. AND SUBSIDIARIES Consolidated Balance Sheets ($ in thousands, except share and per share amounts)

	December 31,		January 1,
	2022		2022
Assets
Current assets:
Cash and cash equivalents	$	520,451	$	380,961
Accounts receivable, net		256,669		287,226
Costs and estimated earnings in excess of billings		6,510		7,600
Inventories		212,491		180,760
Other current assets		20,787		11,827
Current assets held for sale		1,468		1,236
Total current assets		1,018,376		869,610
Property, plant and equipment, net		1,813,702		1,842,908
Goodwill		1,132,546		1,163,750
Intangible assets, net		71,384		69,396
Deferred tax assets		136,986		204,566
Operating lease right-of-use assets		37,889		30,150
Other assets		44,809		58,745
Total assets	$	4,255,692	$	4,239,125
Liabilities and Stockholders' Equity
Current liabilities:
Current portion of debt	$	5,096	$	6,354
Current portion of acquisition-related liabilities		13,718		13,110
Accounts payable		104,031		128,232
Accrued expenses		119,967		147,476
Current operating lease liabilities		7,296		6,497
Billings in excess of costs and estimated earnings		5,739		7,401
Total current liabilities		255,847		309,070
Long-term debt		1,488,569		1,591,019
Acquisition-related liabilities		29,051		33,369
Tax receivable agreement liability		327,812		326,548
Noncurrent operating lease liabilities		35,737		28,880
Other noncurrent liabilities		106,686		127,027
Total liabilities		2,243,702		2,415,913
Stockholders' equity:
Class A common stock, par value $0.01 per share; 1,000,000,000 shares authorized, 118,408,655 and 118,705,108 shares issued and outstanding as of December 31, 2022 and January 1, 2022, respectively		1,185		1,188
Class B common stock, par value $0.01 per share; 250,000,000 shares authorized, 99 shares issued and outstanding as of December 31, 2022 and January 1, 2022		—		—
Additional paid-in capital		1,404,122		1,326,340
Accumulated earnings		590,895		478,956
Accumulated other comprehensive income		3,084		7,083
Stockholders' equity		1,999,286		1,813,567
Noncontrolling interest in Summit Holdings		12,704		9,645
Total stockholders' equity		2,011,990		1,823,212
Total liabilities and stockholders' equity	$	4,255,692	$	4,239,125

SUMMIT MATERIALS, INC. AND SUBSIDIARIES Consolidated Statements of Cash Flows ($ in thousands)

	Year ended
	December 31,			January 1,
	2022			2022
Cash flows from operating activities:
Net income	$	275,943		$	154,281
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion, amortization and accretion		212,501			235,278
Share-based compensation expense		18,347			19,705
Net gain on asset and business disposals		(182,263	)		(25,559	)
Non-cash loss on debt financings		915			2,116
Change in deferred tax asset, net		69,568			24,685
Other		(1,447	)		(2,249	)
Decrease (increase) in operating assets, net of acquisitions and dispositions:
Accounts receivable, net		10,749			(31,292	)
Inventories		(63,247	)		3,815
Costs and estimated earnings in excess of billings		(4,960	)		(394	)
Other current assets		(7,368	)		(2,483	)
Other assets		(6,946	)		7,748
(Decrease) increase in operating liabilities, net of acquisitions and dispositions:
Accounts payable		(9,218	)		4,593
Accrued expenses		(25,200	)		(7,030	)
Billings in excess of costs and estimated earnings		(768	)		(7,138	)
Tax receivable agreement liability		1,264			4,868
Other liabilities		(3,772	)		(19,015	)
Net cash provided by operating activities		284,098			361,929
Cash flows from investing activities:
Acquisitions, net of cash acquired		(22,730	)		(19,513	)
Purchases of property, plant and equipment		(266,733	)		(211,982	)
Proceeds from the sale of property, plant and equipment		15,374			11,674
Proceeds from sale of businesses		373,073			128,337
Other		(3,162	)		236
Net cash provided by (used in) investing activities		95,822			(91,248	)
Cash flows from financing activities:
Debt issuance costs		(1,557	)		—
Payments on debt		(122,536	)		(329,010	)
Payments on acquisition-related liabilities		(13,428	)		(10,360	)
Distributions from partnership		(678	)		—
Repurchases of common stock		(100,980	)		—
Proceeds from stock option exercises		213			32,451
Other		(27	)		(1,008	)
Net cash used in financing activities		(238,993	)		(307,927	)
Impact of foreign currency on cash		(1,437	)		26
Net increase (decrease) in cash		139,490			(37,220	)
Cash and cash equivalents—beginning of period		380,961			418,181
Cash and cash equivalents—end of period	$	520,451		$	380,961

SUMMIT MATERIALS, INC. AND SUBSIDIARIES Unaudited Revenue Data by Segment and Line of Business ($ in thousands)

	Three months ended						Year ended
	December 31,			January 1,			December 31,			January 1,
	2022			2022			2022			2022
Segment Net Revenue:
West	$	288,881		$	282,530		$	1,272,041		$	1,169,466
East		124,836			191,653			592,307			764,996
Cement		97,945			79,243			357,736			298,234
Net Revenue	$	511,662		$	553,426		$	2,222,084		$	2,232,696

Line of Business - Net Revenue:
Materials
Aggregates	$	135,596		$	141,956		$	583,993		$	573,157
Cement (1)		90,660			74,128			332,518			282,081
Products		221,528			263,229			1,017,019			1,068,047
Total Materials and Products		447,784			479,313			1,933,530			1,923,285
Services		63,878			74,113			288,554			309,411
Net Revenue	$	511,662		$	553,426		$	2,222,084		$	2,232,696

Line of Business - Net Cost of Revenue:
Materials
Aggregates	$	70,809		$	77,103		$	300,576		$	276,756
Cement		44,511			40,308			190,838			163,108
Products		183,548			215,127			842,890			872,132
Total Materials and Products		298,868			332,538			1,334,304			1,311,996
Services		51,176			59,284			238,435			247,441
Net Cost of Revenue	$	350,044		$	391,822		$	1,572,739		$	1,559,437

Line of Business - Adjusted Cash Gross Profit (2):
Materials
Aggregates	$	64,787		$	64,853		$	283,417		$	296,401
Cement (3)		46,149			33,820			141,680			118,973
Products		37,980			48,102			174,129			195,915
Total Materials and Products		148,916			146,775			599,226			611,289
Services		12,702			14,829			50,119			61,970
Adjusted Cash Gross Profit	$	161,618		$	161,604		$	649,345		$	673,259

Adjusted Cash Gross Profit Margin (2)
Materials
Aggregates		47.8	%		45.7	%		48.5	%		51.7	%
Cement (3)		47.1	%		42.7	%		39.6	%		39.9	%
Products		17.1	%		18.3	%		17.1	%		18.3	%
Services		19.9	%		20.0	%		17.4	%		20.0	%
Total Adjusted Cash Gross Profit Margin		31.6	%		29.2	%		29.2	%		30.2	%

________________________________________________________

(1) Net revenue for the cement line of business excludes revenue associated with hazardous and non-hazardous waste, which is processed into fuel and used in the cement plants and is included in services net revenue. Additionally, net revenue from cement swaps and other cement-related products are included in products net revenue.

(2) Adjusted cash gross profit is calculated as net revenue by line of business less net cost of revenue by line of business. Adjusted cash gross profit margin is defined as adjusted cash gross profit divided by net revenue.

(3) The cement adjusted cash gross profit includes the earnings from the waste processing operations, cement swaps and other products. Cement line of business adjusted cash gross profit margin is defined as cement adjusted cash gross profit divided by cement segment net revenue.

SUMMIT MATERIALS, INC. AND SUBSIDIARIES Unaudited Volume and Price Statistics (Units in thousands)

	Three months ended						Year ended
Total Volume	December 31, 2022			January 1, 2022			December 31, 2022			January 1, 2022
Aggregates (tons)		13,036			15,701			59,525			64,185
Cement (tons)		646			635			2,533			2,431
Ready-mix concrete (cubic yards)		1,082			1,450			5,043			5,831
Asphalt (tons)		683			1,151			3,724			5,062

	Three months ended						Year ended
Pricing	December 31, 2022			January 1, 2022			December 31, 2022			January 1, 2022
Aggregates (per ton)	$	12.70		$	11.15		$	12.07		$	11.16
Cement (per ton)		141.77			121.60			134.66			120.24
Ready-mix concrete (per cubic yards)		146.01			122.04			136.47			120.47
Asphalt (per ton)		76.71			62.48			72.65			61.05

	Three months ended						Year ended
	Percentage Change in						Percentage Change in
Year over Year Comparison	Volume			Pricing			Volume			Pricing
Aggregates (per ton)		(17.0	) %		13.9	%		(7.3	) %		8.2	%
Cement (per ton)		1.7	%		16.6	%		4.2	%		12.0	%
Ready-mix concrete (per cubic yards)		(25.4	) %		19.6	%		(13.5	) %		13.3	%
Asphalt (per ton)		(40.7	) %		22.8	%		(26.4	) %		19.0	%

	Three months ended						Year ended
	Percentage Change in						Percentage Change in
Year over Year Comparison (Excluding acquisitions & divestitures)	Volume			Pricing			Volume			Pricing
Aggregates (per ton)		(12.0	) %		14.4	%		(3.6	) %		8.9	%
Cement (per ton)		1.7	%		16.6	%		4.2	%		12.0	%
Ready-mix concrete (per cubic yards)		(16.3	) %		20.7	%		(5.2	) %		14.6	%
Asphalt (per ton)		(12.3	) %		19.3	%		(3.3	) %		16.9	%

SUMMIT MATERIALS, INC. AND SUBSIDIARIES Unaudited Reconciliations of Gross Revenue to Net Revenue by Line of Business ($ and Units in thousands, except pricing information)

	Three months ended December 31, 2022
				Gross Revenue		Intercompany			Net
	Volumes	Pricing		by Product		Elimination/Delivery			Revenue
Aggregates	13,036	$	12.70	$	165,549	$	(29,953	)	$	135,596
Cement	646		141.77		91,565		(905	)		90,660
Materials				$	257,114	$	(30,858	)	$	226,256
Ready-mix concrete	1,082		146.01		158,007		(58	)		157,949
Asphalt	683		76.71		52,406		(45	)		52,361
Other Products					73,470		(62,252	)		11,218
Products				$	283,883	$	(62,355	)	$	221,528

	Year ended December 31, 2022
				Gross Revenue		Intercompany			Net
	Volumes	Pricing		by Product		Elimination/Delivery			Revenue
Aggregates	59,525	$	12.07	$	718,492	$	(134,499	)	$	583,993
Cement	2,533		134.66		341,082		(8,564	)		332,518
Materials				$	1,059,574	$	(143,063	)	$	916,511
Ready-mix concrete	5,043		136.47		688,185		(235	)		687,950
Asphalt	3,724		72.65		270,542		(324	)		270,218
Other Products					346,582		(287,731	)		58,851
Products				$	1,305,309	$	(288,290	)	$	1,017,019

SUMMIT MATERIALS, INC. AND SUBSIDIARIES

Unaudited Reconciliations of Non-GAAP Financial Measures

($ in thousands, except share and per share amounts)

The tables below reconcile our net income to Adjusted EBITDA by segment for the three months and years ended December 31, 2022 and January 1, 2022.

Reconciliation of Net Income (Loss) to Adjusted EBITDA	Three months ended December 31, 2022
by Segment	West			East			Cement			Corporate			Consolidated
($ in thousands)
Net income (loss)	$	42,729		$	16,955		$	39,059		$	(68,417	)	$	30,326
Interest (income) expense		(4,643	)		(3,090	)		(5,531	)		37,505			24,241
Income tax expense		478			—			—			11,034			11,512
Depreciation, depletion and amortization		26,136			14,227			8,208			893			49,464
EBITDA	$	64,700		$	28,092		$	41,736		$	(18,985	)	$	115,543
Accretion		261			415			(173	)		—			503
Loss on debt financings		—			—			—			1,737			1,737
Tax receivable agreement benefit		—			—			—			612			612
Loss (gain) on sale of businesses		—			1,700			—			284			1,984
Non-cash compensation		—			—			—			3,289			3,289
Other		(21	)		47			—			(4,403	)		(4,377	)
Adjusted EBITDA	$	64,940		$	30,254		$	41,563		$	(17,466	)	$	119,291
Adjusted EBITDA Margin (1)		22.5	%		24.2	%		42.4	%					23.3	%

Reconciliation of Net Income (Loss) to Adjusted EBITDA	Three months ended January 1, 2022
by Segment	West			East			Cement			Corporate			Consolidated
($ in thousands)
Net income (loss)	$	38,913		$	30,393		$	29,417		$	(54,333	)	$	44,390
Interest (income) expense		(3,635	)		(2,739	)		(4,778	)		30,856			19,704
Income tax expense		337			(95	)		—			10,636			10,878
Depreciation, depletion and amortization		23,962			19,880			10,150			976			54,968
EBITDA	$	59,577		$	47,439		$	34,789		$	(11,865	)	$	129,940
Accretion		221			437			89			—			747
Tax receivable agreement benefit		—			—			—			(6,779	)		(6,779	)
(Gain) loss on sale of businesses		53			(4,745	)		—			—			(4,692	)
Non-cash compensation		—			—			—			4,830			4,830
Other		(13	)		239			—			—			226
Adjusted EBITDA	$	59,838		$	43,370		$	34,878		$	(13,814	)	$	124,272
Adjusted EBITDA Margin (1)		21.2	%		22.6	%		44.0	%					22.5	%

Reconciliation of Net Income (Loss) to Adjusted EBITDA	Year ended December 31, 2022
by Segment	West			East			Cement			Corporate			Consolidated
($ in thousands)
Net income (loss)	$	196,586		$	118,635		$	110,017		$	(149,295	)	$	275,943
Interest (income) expense		(17,123	)		(11,857	)		(20,463	)		136,412			86,969
Income tax expense (benefit)		3,025			(106	)		—			82,626			85,545
Depreciation, depletion and amortization		96,939			61,697			35,968			3,233			197,837
EBITDA	$	279,427		$	168,369		$	125,522		$	72,976		$	646,294
Accretion		953			1,600			60			—			2,613
Loss on debt financings		—			—			—			1,737			1,737
Tax receivable agreement benefit		—			—			—			1,566			1,566
Gain on sale of businesses		—			(40,952	)		—			(131,437	)		(172,389	)
Non-cash compensation		—			—			—			18,347			18,347
Other		177			186			—			(7,055	)		(6,692	)
Adjusted EBITDA	$	280,557		$	129,203		$	125,582		$	(43,866	)	$	491,476
Adjusted EBITDA Margin (1)		22.1	%		21.8	%		35.1	%					22.1	%

Reconciliation of Net Income (Loss) to Adjusted EBITDA	Year ended January 1, 2022
by Segment	West			East			Cement			Corporate			Consolidated
($ in thousands)
Net income (loss)	$	181,253		$	122,321		$	95,352		$	(244,645	)	$	154,281
Interest (income) expense		(11,460	)		(8,872	)		(17,217	)		129,789			92,240
Income tax expense		2,697			114			—			41,545			44,356
Depreciation, depletion and amortization		98,596			84,912			38,685			4,249			226,442
EBITDA	$	271,086		$	198,475		$	116,820		$	(69,062	)	$	517,319
Accretion		874			1,711			339			—			2,924
Loss on debt financings		—			—			—			6,016			6,016
Tax receivable agreement benefit		—			—			—			(6,779	)		(6,779	)
Gain on sale of businesses		(355	)		(19,656	)		—			—			(20,011	)
Non-cash compensation		—			—			—			19,705			19,705
Other		(45	)		953			—			—			908
Adjusted EBITDA	$	271,560		$	181,483		$	117,159		$	(50,120	)	$	520,082
Adjusted EBITDA Margin (1)		23.2	%		23.7	%		39.3	%					23.3	%

________________________________________________

(1) Adjusted EBITDA Margin is defined as Adjusted EBITDA as a percentage of net revenue.

The table below reconciles our net income attributable to Summit Materials, Inc. to adjusted diluted net income per share for the three months and years ended December 31, 2022 and January 1, 2022. The per share amount of the net income attributable to Summit Materials, Inc. presented in the table is calculated using the total equity interests for the purpose of reconciling to adjusted diluted net income per share.

	Three months ended										Year ended
	December 31, 2022				January 1, 2022						December 31, 2022						January 1, 2022
Reconciliation of Net Income Per Share to Adjusted Diluted EPS	Net Income		Per Equity Unit		Net Income			Per Equity Unit			Net Income			Per Equity Unit			Net Income			Per Equity Unit
Net income attributable to Summit Materials, Inc.	$	29,835	$	0.25	$	43,838		$	0.36		$	272,145		$	2.25		$	152,184		$	1.25
Adjustments:
Net income attributable to noncontrolling interest		491		—		552			—			3,798			0.03			2,097			0.02
Loss (gain) on sale of businesses, net of tax		5,601		0.05		(3,567	)		(0.03	)		(125,374	)		(1.03	)		(15,108	)		(0.12	)
Loss on debt financings		1,737		0.01		—			—			1,737			0.01			6,016			0.05
Adjusted diluted net income before tax related adjustments		37,664		0.31		40,823			0.33			152,306			1.26			145,189			1.20
Tax receivable agreement expense (benefit)		612		0.01		(6,779	)		(0.05	)		1,566			0.01			(6,779	)		(0.06	)
Adjusted diluted net income	$	38,276	$	0.32	$	34,044		$	0.28		$	153,872		$	1.27		$	138,410		$	1.14
Weighted-average shares:
Basic Class A common stock		118,399,588				120,603,529						119,747,056						119,415,448
LP Units outstanding		1,312,006				1,378,141						1,313,203						1,867,853
Total equity units		119,711,594				121,981,670						121,060,259						121,283,301

The following table reconciles operating income to Adjusted Cash Gross Profit and Adjusted Cash Gross Profit Margin for the three months and years ended December 31, 2022 and January 1, 2022.

	Three months ended						Year ended
	December 31,			January 1,			December 31,			January 1,
Reconciliation of Operating Income to Adjusted Cash Gross Profit	2022			2022			2022			2022
($ in thousands)
Operating income	$	65,044		$	57,184		$	269,047		$	253,065
General and administrative expenses		50,684			50,274			190,218			196,728
Depreciation, depletion, amortization and accretion		49,967			55,715			200,450			229,366
Gain on sale of property, plant and equipment		(4,077	)		(1,569	)		(10,370	)		(5,900	)
Adjusted Cash Gross Profit (exclusive of items shown separately)	$	161,618		$	161,604		$	649,345		$	673,259
Adjusted Cash Gross Profit Margin (exclusive of items shown separately) (1)		31.6	%		29.2	%		29.2	%		30.2	%

_______________________________________________________

(1) Adjusted Cash Gross Profit Margin is defined as Adjusted Cash Gross Profit as a percentage of net revenue.

The following table reconciles net cash provided by operating activities to free cash flow for the three months and years ended December 31, 2022 and January 1, 2022.

	Three months ended						Year ended
	December 31,			January 1,			December 31,			January 1,
($ in thousands)	2022			2022			2022			2022
Net income	$	30,326		$	44,390		$	275,943		$	154,281
Non-cash items		64,719			59,211			117,621			253,976
Net income adjusted for non-cash items		95,045			103,601			393,564			408,257
Change in working capital accounts		56,862			50,955			(109,466	)		(46,328	)
Net cash provided by operating activities		151,907			154,556			284,098			361,929
Capital expenditures, net of asset sales		(70,649	)		(39,065	)		(251,359	)		(200,308	)
Free cash flow	$	81,258		$	115,491		$	32,739		$	161,621

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Summit Materials, Inc. Reports Fourth Quarter and Full Year 2022 Results