Martin Marietta Materials (MLM) 8-K Martin Marietta Announces Acquisition

Exhibit 99.2

 MARTIN MARIETTA TO ACQUIRE LEHIGH HANSON’S U.S. WEST REGIONMay 2021      1 

 Business and Transaction Overview          AGGREGATES~13MM tons17 active sites with~30 years average reserve lifeDeep-water import terminal and marine dredging in Bay Area          CEMENT~1.5MM tons from 2 cement plants~1.1MM tons of import with large distribution terminal network  READY MIX~2.3MM cubic yards from 29 ready mix plants~360 mixer trucks in fleet  ASPHALT~2.8MM tons of production from 15 asphalt plants~0.3MM tons of paving services volume    Transaction Overview        FINANCIAL OVERVIEW        TIMING AND CLOSING REQUIREMENTS  All-cash acquisition of 100% of Lehigh Hanson’s U.S. West Region for $2.3billion  Net purchase price of ~$2.0 billion, including ~$300 million NPV of tax benefits  To be financed with cash on hand and new debt issuanceRapid deleveraging plans will support current Investment Grade creditprofileAccretive to EPS in the first full year following closing  Subject to customary regulatory approvals and closing conditionsExpected to close in the second half of 2021      Business Overview  2 

 Martin Marietta to Accelerate Coast-to-Coast Expansion with Scaled Aggregates Platform in the Western U.S.      Priority SOAR 2025 Target        Rare, Upstream Materials-Led Platform Expansion Solidifies Martin Marietta’s Positionas a Leading Coast-to-Coast Aggregates Producer        Strategically Located in Target Megaregions with Attractive Long-Term Demand Drivers        New West Region Growth Platform Presents Significant Bolt-on Opportunities        Ability to Leverage Martin Marietta’s Operating Discipline to Drive Margin Expansion        Financially Attractive While Executing on Martin Marietta’s Capital Allocation Priorities      1  2  3  4  5        6  3 

 4  Represents a Priority SOAR 2025 Expansion Target        Platform Expansion…    …in Targeted Megaregions               Rare platform for West Coast expansion   Maintains Martin Marietta’s upstream materials-ledprofile   Expands geographic footprint coast-to-coast   High-performing business with further earnings growth potential   New west region growth platform presents significantbolt-on M&A opportunities    Northern California  SouthernCalifornia  Front RangeArizona SunCorridor  Texas Triangle  Gulf Coast  Florida  Piedmont Atlantic  Northeast  GreatLakes  Cascadia  Current footprint Expanded footprintMegaregions, as defined by America 2050        Coverage in 10 out of 11 Growth Megaregions  Source: America 2050 

             Unparalleled Track Record of Platform Expansion Through M&A  MARTIN MARIETTA HAS UTILIZED LARGE-SCALE ACQUISITIONS TO ESTABLISH ITS COVETED GEOGRAPHIC FOOTPRINT…  “River for the Rockies” (2011) TEXAS INDUSTRIES (2014) BLUEGRASS MATERIALS (2018)  Products: Aggregates, Cement, Ready- mixRationale: Creates greater scale in aggregates with entry into strategic cement, adding vertical integration in a large and rapidly growing MegaregionFootprint Expansion: Texas  Products: AggregatesRationale: Enhances aggregates position in high-growth Piedmont Atlantic and Southern Northeast Megaregions  Footprint Expansion: Georgia, South Carolina, Maryland, Kentucky, Tennessee  Products: Aggregates, Asphalt, Ready- mixRationale: Entry into Front Range of Colorado Megaregion, enabling an aggregates-led platform of scale  Footprint Expansion: Colorado (exit Mississippi River operations)      Asset Swap with        …Complemented by Strong History of Bolt-On Acquisitions, including Recently Announced Acquisition of Tiller Corporation  5 

 CALIFORNIA AND ARIZONA’S EARLY CYCLE DEMAND DYNAMICS SUPPORT SIGNIFICANT VOLUME UPSIDE  Transaction Consistent with Disciplined M&A Strategy  Market Structure  Superior State Financial Position  Employment / PopulationGrowth  Population Density  Business & EmploymentDiversity    Continued opportunity for margin improvement underpinned by strong market demand  Senate Bill 1 (SB1) to provide ~$5B spend per year through 2030; California and Arizona well below mid-cycle demand levels and maintain strong fiscal health  With +40MM residents, California is the nation’s most populous state and hometo the 5th largest economy in the world  Los Angeles, the Bay Area and Phoenix represent 3 of the top 11 U.S. aggregates markets by volume  Significant commercial growth, including e-commerce, technology, healthcare and education                                                        5