Page 6 - 2023 Sustainability Report

COMPANY OVERVIEW

Company Highlights

At Martin Marietta, we thoughtfully consider the needs of both stakeholders and shareholders. Our 2023 results underscore our
commitment to excellence in all that we do, as well as the importance of continued responsible investment in our facilities to
maintain a safe and healthy workplace. Equally important is our steadfast investment of time and resources to ensure our
employees, customers, vendors, communities and the environment are taken care of and protected. We believe our focus on
stewardship is both the smart and right thing to do.

Our 2023 Results
9,000+

Employees 1 $6.78B Leverage Ratio 3
Continued to Decline
Total Revenues 3.2x
+10% 2.5x 4
$2.13B 1.4x
360+ Adj. EBITDA 3 Dec 31, 2021 Dec 31, 2022 Dec 31, 2023
Aggregates +31.4%
Quarries,
Mines, Yards
EXECUTING AGAINST THE RIGHT STRATEGIC PLAN

ACTIVE PORTFOLIO MANAGEMENT MARKET CAPITALIZATION GROWTH
2 Acquisi ons 1 Dives tures $30.8B
MARKET CAP
S. TX Cement and RMC
(12-31-23)
2 CA Cement and RMC
Cement 3 CO and Central TX RMC
Plants 2 Total Enterprise Value: Total Enterprise Value: $17.7B
$3.1 BN
$2.5 BN
MARKET CAP
(12-31-20)
Margin Accretive and Swaps Cyclical
Enhances Aggregates Cement and RMC for
Profitability Contribution Durable Aggregates
82 Complements Existing Strength for Further Growth
Expands Geographic
Maintains Balance Sheet
Diversification and
Ready Mixed Footprint Dec-20 Aug-21 Mar-22 Oct-22 May-23 Dec-23
Concrete Plants 2
We delivered these record results while enhancing our corporate
governance practices, further improving world-class safety performance
and strengthening our sustainability reporting.
38
Asphalt
Plants
10% increase of TOTAL REVENUE to $6.78 billion Reduced net leverage ratio at year end from
and record ADJUSTED EBITDA FROM CONTINUING 2.49x to 1.44x.
OPERATIONS* OF $2.13 BILLION
2 Our strategic plan, inclusive of targeted platform and
bolt-on acquisitions, has resulted in best-in-class short-
Continuous commitment to SUSTAINABILITY, which and long-term shareholder returns and has given us a
meaningful presence in ten of the eleven
Magnesia is included in our strategy and compensation decisions U.S. megaregions, large networks of metropolitan
population centers covering thousands of square miles.
Specialties
Facilities Seventh consecutive year of WORLD-CLASS SAFETY Successful completion of portfolio optimizing
performance divestitures in line with the Company’s SOAR 2025
Strategic Plan that generated $3.1 billion in proceeds
* Chart as of December 31, 2023.
1 Includes leased employees and employees in operations acquired in 2023.
2 The Tehachapi California cement plant acquired in October 2021, held for sale and sold in 2023 is not included. The now divested South Texas cement
and ready mixed concrete businesses sold in 2024 are included in this report.
3 Please see Appendix for a reconciliation of non-GAAP measures to GAAP measures.

4 2023 SUSTAINABILITY REPORT