ABOUT US SAFETY SAFETY 09/03/2014 Closing the LOOP on Safety When it comes to safety, everyone at Martin Marietta is ‘in the loop.’ And in the Southeast Division, that loop is more than just a symbol or phrase; it’s an entire program. Read More 09/03/2014 Reaching 2 Million Man Hours For their efforts throughout 2013, the Southwest Division’s Beckmann Quarry was recognized as a 2014 Honor Plant. Read More 09/03/2014 Promoting Safety and Family Values Employee Day celebrates all Martin Marietta employees and brings their families together, all while promoting the importance of safety. Read More 09/03/2014 Monthly Clean-Up Program Goes Beyond Safety Monday Morning Mop-Up at Martin Marietta contributes to a safe and cohesive environment, fitting in with the keystone values of providing a safe environment and strengthening pride and teamwork in the workplace. Read More 09/03/2014 A Sense of Camaraderie Underground Martin Marietta's Midwest Division empowers all employees to be advocates for the safety of their colleagues through the Guardian Angel Program. Read More 09/03/2014 Fostering Accountability with Guardian Angels Working toward a healthier body is a journey; a lifestyle change. Likewise, in Martin Marietta’s Rocky Mountain Division, safety is not viewed as policy or a program, but rather a lifestyle known as “Guardian Angel.” Read More ENVIRONMENTAL AND SOCIAL INITIATIVES Building a Water Conservation Program In hot southern Texas, water is a precious commodity. Drought conditions are common, causing water restrictions and high prices. PRODUCT CALCULATOR LATEST NEWS JUL 29 Martin Marietta Reports Strong Second-Quarter Earnings PROCESSING REQUEST...

ABOUT US CODE OF ETHICS CODE OF ETHICS At Martin Marietta, we are dedicated to doing business the right way. Our employees hold themselves, and each other, to the utmost standard of integrity. Our business ethics allow us to maintain our strong commitment to honesty, integrity and accountability. We are dedicated to our employees, customers, communities, shareholders and suppliers. This has always been, and continues to be, the cornerstone of our business. Our Code of Ethical Business Conduct is applicable to all employees and directors of Martin Marietta. It ensures that all employees make ethical business decisions that maintain our core values. Illegal or unethical behavior is never acceptable at Martin Marietta. To review the Martin Marietta Code of Ethical Business Conduct, click here. To review it in Spanish, click here. If you have any questions, please contact our Ethics Hotline at 1-800-209-4508 or www.martinmarietta.alertline.com. PROCESSING REQUEST...