Slides
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Q2 2026 SUPPLEMENTAL INFORMATION* July 30, 2026 * All information provided in these slides is qualified in its entirety by reference to the Company's filings with the Securities and Exchange Commission (SEC), which are available on both the Company’s and the SEC’s websites
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Statement Regarding Safe Harbor for Forward-Looking Statements This material contains forward-looking statements under the federal securities laws, including the Private Securities Litigation Reform Act of 1995 that involve risks and uncertainties and are based on assumptions that the Company believes are reasonable, but which may differ materially from actual results. These statements reflect the Company’s current expectations or forecasts of future events. You can identify these statements because they do not relate only to historical or current facts and may use words such as “guidance,” “anticipate,” “may,” “expect,” “could,” “should,” “believe,” “estimate,” “forecast,” “intend,” “outlook,” “plan,” “project,” “schedule,” “will,” and other words of similar meaning in connection with future events or future performance. Any or all the Company’s forward-looking statements herein and in other publications may prove to be incorrect. Non-GAAP Financial Measures This material contains financial measures that are not prepared in accordance with United States generally accepted accounting principles (GAAP). The Appendix contains reconciliations of these non-GAAP financial measures to the closest GAAP measures, unless otherwise noted. Management believes these non-GAAP measures are commonly used by investors to evaluate the Company’s performance and, when read in conjunction with the Company’s consolidated financial statements, present a useful tool to evaluate the Company’s ongoing business performance from period to period and anticipated performance. Additionally, these are some of the factors the Company uses in internal evaluations of the overall performance of its businesses. Management acknowledges that many factors impact reported results, and the adjustments in these non-GAAP measures do not account for all such factors. Furthermore, these non-GAAP measures may not be comparable to similarly titled measures used by other companies. Results and Trends Results and trends described in this Supplemental Information may not necessarily be indicative of the Company’s future performance. Q2 2026 Supplemental Information 2
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Q2 2026 Supplemental Information 3 Q2 2026 CONTINUING OPERATIONS HIGHLIGHTS 1. Revenues include the sales of products and services to customers (net of any discounts or allowances) and freight revenues for continuing operations. 2. Non-GAAP financial measures; see Appendix for reconciliation to nearest GAAP measure. Second-Quarter Records: ✓ Revenues1 (+21%) ✓ Adjusted EBITDA from Continuing Operations2 (+13%) All-Time Quarter Records: ✓ Aggregates Revenues1 (+16%) ✓ Aggregates Shipments (+17%) ✓ Specialties Revenues (+68%) ✓ Specialties Gross Profit (+39%) Portfolio Optimization: ✓ May 15: Closed acquisition of New Frontier Materials (NFM) ✓ June 27: Entered into definitive agreement to combine with Lhoist North America (LNA) $638M Adjusted EBITDA from Continuing Operations2 +13% y-o-y $1.9B Revenues1 +21% y-o-y 61.6M Aggregates Shipment Tons +17% y-o-y $5.00 Adjusted Earnings per Diluted Share from Continuing Operations2 +3% y-o-y
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Q2 2026 Supplemental Information 4 2026 CONTINUING OPERATIONS GUIDANCE SUMMARY $7.30B Mid Point Raising Revenue Guidance $2.43B Mid Point Reaffirming Adjusted EBITDA from Continuing Operations1 Guidance 1. Adjusted EBITDA from Continuing Operations is a Non-GAAP financial measure; see Appendix for reconciliation to nearest GAAP measure.
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Q2 2026 Supplemental Information 5 LHOIST NORTH AMERICA COMBINATION EXPECTED TO ESTABLISH MLM AS NATION’S LEADING PRODUCER OF LIME AND LIMESTONE… LNA Specialties LNA Distribution Terminals MLM Lime (Woodville) TRANSACTION HIGHLIGHTS #1 Lime producer in the United States Irreplicable, high-quality reserve base Strategically located in key Sun Belt growth markets Recurring revenues (+50% contracted revenue) Diversified end-market exposure ✓ ✓ ✓ ✓ ✓ LNA Production
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6 …WITH INDUSTRY LEADING MARGINS AND A HIGHLY ATTRACTIVE COMBINED FINANCIAL PROFILE Greater Mix Toward Higher-Margin Specialty Products Increases Profitability and Cash Flow Generation Combined 2026G Gross Revenues Specialties Building Materials +25% $2.4B $3.3B Adj. EBITDA from Continuing Operations1 Combined 2026G +36% 33% 36% Adj. EBITDA from Continuing Operations Margin1 Combined 2026G +290bps 1. Non-GAAP financial measure. See Appendix for a reconciliation of 2026G Adjusted EBITDA and 2026G Adjusted EBITDA Margin to the most directly comparable GAAP measures. Reconciliations for 2026G Combined Adjusted EBITDA, 2026G Combined Adjusted EBITDA Margin, 2026G FCF Conversion and 2026G Combined FCF Conversion, are not available without unreasonable effort due to difficulty in forecasting and quantifying the individual impacts of various purchase accounting adjustments and acquisition, divestiture and integration -related expenses, as well as comparable GAAP measures and related adjustments that would be necessary for such a reconciliation. 2. Combined figures reflect Martin Marietta’s 2026 guidance midpoint, as provided in the July 30, 2026 earnings release, together with Lhoist North America and New Frontier Materials, each inclusive of run-rate cost synergies, giving effect as if each of those transactions closed on January 1, 2026. 76% 81% FCF Conversion1 Combined 2026G +450bps Q2 2026 Supplemental Information 2 22 2 $6.7B $6.8B $0.6B $2.4B$7.3B $9.1B +309%
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7 Source: U.S. Geological Survey, Federal Reserve Bank of St. Louis Note: Aggregates PPI includes Construction Sand, Gravel and Crushed Stone. LIME DELIVERS RESILIENT THROUGH-CYCLE PERFORMANCE… (37%) (25%) 2006 Prior Peak 2010 Trough 2025 (7%) +2% 2006 2010 2025 Aggregates PPI 2006 – 2025 CAGR MLM Woodville Lime ASP 2006 – 2025 CAGR U.S. Aggregates Production Tons Variance Since 2006 Peak MLM Woodville Lime Shipments Variance to 2006 Shipments Q2 2026 Supplemental Information Stable lime shipments and durable pricing support long-term earnings growth 7% Woodville Lime Gross Profit 2006-2025 CAGR +4.8% +5.2%
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…WITH CONTINUED MOMENTUM 8Q2 2026 Supplemental Information 1% Shipment y-o-y growth 4% ASP y-o-y growth 5% Mix-Adjusted ASP y-o-y growth 7% Gross Profit y-o-y growth Q2 2026 Woodville Lime Woodville Lime and Stone, Woodville, Ohio
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Q2 2026 Supplemental Information 91. Non-GAAP financial measures; see Appendix for reconciliation to nearest GAAP measure. ADJUSTED EBITDA CONTINUES COMPOUNDING AT A DOUBLE-DIGIT RATE, DESPITE SIGNIFICANT DIVESTITURES PORTFOLIO ROTATION Cement and Concrete Divestitures Aggregates and Specialties Acquisitions ◊ Midlothian Cement / North and East Texas RMC to Quikrete 2026 ◊ Hunter Cement / South Texas RMC to CRH 2024 ◊ Colorado and Central Texas Ready-Mix Concrete (RMC) to SRM Concrete 2022 ◊ New Frontier Materials ◊ Quikrete Aggregates Assets 2026 ◊ Premier Magnesia 2025 ◊ Albert Frei & Sons ◊ Affiliates of Blue Water Industries LLC ◊ R.E. Janes Gravel ◊ Younquist Brothers Rock 2024 SUSTAINED ADJUSTED EBITDA GROWTH Adjusted EBITDA1 Adjusted EBITDA from Continuing Operations1 $1.53B $2.43B 2021 2026G 10% CAGR
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END USE OUTLOOK Q2 2026 Supplemental Information 10
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Q2 2026 Supplemental Information 11Source: ARTBA, U.S. Census Bureau 2026 END MARKET OUTLOOK ▪ Significant IIJA funding remains available, with a successor bill expected to extend infrastructure tailwinds ▪ Strategically positioned in states supported by robust and historically elevated state Department of Transportation budgets Durable infrastructure foundation, compelling nonresidential growth and meaningful residential upside INFRASTRUCTURE ▪ Strategically positioned in attractive markets benefiting from favorable demographic and migration trends ▪ 60% of the U.S. population, and over 80% of projected population growth through 2050, is located within 60 miles of a Martin Marietta facility RESIDENTIAL ▪ Strength in data centers, power generation and warehouse construction continues to support demand across our footprint ▪ Heavy nonresidential activity is expected to counterbalance weaker light nonresidential markets NONRESIDENTIAL Six data center projects in the Kansas City Region are currently supplied by Martin Marietta’s differentiated Central Division MLM Operations 56% 44% ~$350B Infrastructure Investment and Jobs Act (IIJA) Cumulative State Reimbursements Remaining Funding to be Invested
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Reindustrialization Occurring Uniquely in Our Footprint Q2 2026 Supplemental Information 12 FOOTPRINT ALIGNED WITH ATTRACTIVE INFRASTRUCTURE AND INDUSTRIAL GROWTH MARKETS Well positioned to capitalize on durable infrastructure and industrial demand tailwinds +70% Data Centers1 80% Warehouses2 70% Manufacturing1 50% Energy3 Source: Dodge Construction Network 1. Represents the percentage of planned or under construction projects square footage located within 55 miles of a Martin Marietta Facility 2. Represents the percentage of planned projects square footage within 55 miles of a Martin Marietta Facility 3. Represents the percentage of planned projects within 55 miles of a Martin Marietta facility 55 Within Miles of a Martin Marietta Facility
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APPENDIX Q2 2026 Supplemental Information 13
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Q2 2026 Supplemental Information 14 ADJUSTED EBITDA FROM CONTINUING OPERATIONS Earnings from continuing operations before interest; income taxes; depreciation, depletion and amortization; earnings/loss from nonconsolidated equity affiliates; acquisition, divestiture and integration expenses; the impact of selling acquired inventory after its markup to fair value as part of acquisition accounting (Inventory Markup); and an asset and portfolio rationalization charge, or Adjusted EBITDA from continuing operations, is an indicator used by the Company and investors to evaluate the Company's operating performance from period to period. The Company has elected to add back, for purposes of its Adjusted EBITDA from continuing operations calculation, acquisition, divestiture and integration expenses and the Inventory Markup only for transactions with consideration of at least $2.0 billion for the Building Materials business or $200 million for the Specialties business. Adjusted EBITDA from continuing operations is not defined by accounting principles generally accepted in the United States (GAAP) and, as such, should not be construed as an alternative to net earnings attributable to Martin Marietta, earnings from operations or operating cash flow. $ in Millions Three Months Ended Jun 30, 2026 Three Months Ended Jun 30, 2025 Net earnings from continuing operations attributable to Martin Marietta $256 $292 Add back: Interest expense, net of interest income 58 56 Income tax expense for controlling interests 64 73 Depreciation, depletion and amortization expense and earnings/loss from nonconsolidated equity affiliates 202 144 Acquisition, divestiture and integration expenses 11 – Impact of selling acquired inventory after markup to fair value as part of acquisition accounting 45 – Asset and portfolio rationalization charge 2 – Adjusted EBITDA from continuing operations $638 $565 Revenues from continuing operations $1,947 $1,609 Adjusted EBITDA from continuing operations margin 33% 35%
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Earnings before interest; income taxes; depreciation, depletion and amortization expenses; earnings/loss from nonconsolidated equity affiliates; acquisition, divestiture and integration expenses; the impact of selling acquired inventory after its markup to fair value as part of acquisition accounting (Inventory Markup); and an asset and portfolio rationalization charge, or Consolidated Adjusted EBITDA, is an indicator used by the Company and investors to evaluate the Company's operating performance from period to period. The Company has elected to add back, for purposes of its Consolidated Adjusted EBITDA calculation, acquisition, divestiture and integration expenses and the Inventory Markup only for transactions with consideration of at least $2.0 billion for the Building Materials business or $200 million for the Specialties business. Consolidated Adjusted EBITDA is not defined by accounting principles generally accepted in the United States (GAAP) GAAP and, as such, should not be construed as an alternative to earnings from operations, net earnings attributable to Martin Marietta or operating cash flow. Q2 2026 Supplemental Information 15 CONSOLIDATED ADJUSTED EBITDA $ in Millions Year Ended Dec 31, 2021 Consolidated net earnings attributable to Martin Marietta $702 Add back: Interest expense, net of interest income 142 Income tax expense for controlling interests 153 Depreciation, depletion and amortization expense and earnings/loss from nonconsolidated equity affiliates 443 Acquisition, divestiture and integration expenses 58 Impact of selling acquired inventory after markup to fair value as part of acquisition accounting 31 Asset and portfolio rationalization charge – Consolidated Adjusted EBITDA $1,529
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Q2 2026 Supplemental Information 16 FULL-YEAR 2026 ADJUSTED EBITDA FROM CONTINUING OPERATIONS GUIDANCE Earnings from continuing operations before interest; income taxes; depreciation, depletion and amortization; earnings/loss from nonconsolidated equity affiliates; acquisition, divestiture and integration expenses; the impact of selling acquired inventory after its markup to fair value as part of acquisition accounting (Inventory Markup); and an asset and portfolio rationalization charge, or Adjusted EBITDA from continuing operations, is an indicator used by the Company and investors to evaluate the Company's operating performance from period to period. The Company has elected to add back, for purposes of its Adjusted EBITDA from continuing operations calculation, acquisition, divestiture and integration expenses and the Inventory Markup only for transactions with consideration of at least $2.0 billion for the Building Materials business or $200 million for the Specialties business. Adjusted EBITDA from continuing operations is not defined by accounting principles generally accepted in the United States (GAAP) and, as such, should not be construed as an alternative to net earnings attributable to Martin Marietta, earnings from operations or operating cash flow. $ in Millions Year Ended Dec 31, 2026 (Midpoint Guidance)1 Net earnings from continuing operations attributable to Martin Marietta $1,043 Add back: Interest expense, net of interest income 223 Income tax expense for controlling interests 279 Depreciation, depletion and amortization expense and earnings/loss from nonconsolidated equity affiliates 800 Acquisition, divestiture and integration expenses 15 Impact of selling acquired inventory after markup to fair value as part of acquisition accounting 67 Asset portfolio rationalization charge 3 Adjusted EBITDA from continuing operations guidance $2,430 Revenues from continuing operations $7,300 Adjusted EBITDA from continuing operations margin 33% 1. 2026 Guidance reflects the midpoint of guidance ranges provided in the July 30, 2026 earnings release
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Q2 2026 Supplemental Information 17 ADJUSTED EARNINGS PER DILUTED SHARE FROM CONTINUING OPERATIONS Adjusted earnings per diluted share from continuing operations is a non-GAAP financial measure used by the Company and by investors to evaluate operating performance and enhance comparability across reporting periods. The Company calculates Adjusted earnings per diluted share from continuing operations by excluding the impact of certain items that management believes are not indicative of the Company's underlying performance from period to period, including impacts directly related to acquisition and divestiture activity as well as asset and portfolio rationalization charges. The Company has elected to add back, for purposes of its Adjusted earnings per diluted share from continuing operations calculation, acquisition, divestiture and integration expenses, the impact of selling acquired inventory after its markup to fair value as part of acquisition accounting (Inventory Markup) and the revaluation of deferred tax liabilities, only for transactions with consideration of at least $2.0 billion for the Building Materials business or $200 million for the Specialties business. Adjusted earnings per diluted share from continuing operations is not defined by accounting principles generally accepted in the United States (GAAP) and, as such, should not be construed as an alternative to earnings per diluted share from continuing operations. Dollars per Diluted Share Three Months Ended Jun 30, 2026 Earnings per diluted share from continuing operations $4.26 Add back: Acquisition, divestiture and integration expenses 0.14 Impact of selling acquired inventory after markup to fair value as part of acquisition accounting 0.58 Asset and portfolio rationalization charge 0.02 Adjusted earnings per diluted share from continuing operations $5.00