Page 7 - 2022 Sustainability Report

COMPANY OVERVIEW

2022 Sustainability Highlights and
Performance Milestones

GHG Reduction Goals Carbon Reduction Roadmap

• Established new NET ZERO Scope 1 Ambition for In this report, provided increased, detailed disclosure on
2050, in addition to existing NET ZERO Scope 2 our carbon transition pathway, including:
Target for 2050 established in 2021 – our NET ZERO
• Continued our efforts to reduce reliance upon coal in
Ambition now covers our Scope 1 and 2 emissions
our cement kiln fuel mix which in 2022 was only 15%
across all of our businesses
of total usage
• Continued progress on achieving our Scope 1 and 2
• Natural gas pipeline project at our Hunter, TX plant is
GHG reduction commitments for 2030 for our cement
nearing completion allowing a further reduction in
and magnesia businesses
coal use
• At 0.725 net metric tonnes per metric tonne of
• Began construction of wind turbines at Woodville, OH
cement, our carbon intensity from cement operations
facility which are projected to reduce GHG emissions
continues to be better than the U.S. cement industry
by up to 10,000 metric tons per year
average and represents a 13% reduction in our
carbon intensity since 2010 • Converted more than 90% of our Type I/II cement
customers in Texas to PLC or Type 1L, which is
estimated to produce up to 10% less GHG emissions
than traditional cement
• Purchased two additional 944K John Deere hybrid
wheel loaders for a total of seven. These loaders are
approximately 20% more fuel efficient than a
comparable traditional diesel loader

Other 2022 Highlights

• 99.8% of employees with ZERO reportable incidents, for TIIR of 0.78, our safest incident year on record
• Achieved a world-class lost time incident rate (LTIR) for the sixth consecutive year
• No significant environmental notices of violation, with total penalties less than $19,000
• Enhanced transparency of our diversity and inclusion progress by publishing our EEO-1 report data
• Joined the CEO Pledge for Diversity & Inclusion supporting a trusting environment where all ideas are welcomed and
employees comfortable and empowered to have discussions about diversity and inclusion
• Launched a dedicated section on our Company’s website highlighting Inclusion, Engagement and Diversity at Martin
Marietta and elevated the Head of Inclusion and Engagement to a Vice President level position to implement programs
and training and advance a culture in furtherance of development, retention and engagement of our employees
• Added a new website section providing additional transparency with respect to the Company’s political contributions
and lobbying activities
• Refreshed the leadership of the Audit Committee and the Ethics, Environment, Safety and Health (EESH) Committee with
a continued focus on diversity and ensuring our Board composition and skills are aligned with our strategy

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