4 CMC SUSTAINABILITY: KEY PERFORMANCE INDICATORS 2014 2015 2016 GOVERNANCE & ETHICS Employees completing code of business conduct training (%) 39.0 99.9 99.3 Locations with a confidential whistleblowing system (%) 100 100 100 ENVIRONMENTAL STEWARDSHIP Tons of metal recycled (short tons) 6,562,351 5,959,152 5,741,881 Recycled content in manufactured finished steel (%) 95.6 95.6 95.6 Production of raw steel (tons) 3,862,857 3,837,374 3,805,618 Raw steel produced from EAF (%) 100 100 100 Raw steel produced from BOF (%) 0 0 0 Slag recycled (%) 100 100 100 Baghouse dust/zinc recycled (%) 98.0 98.3 98.4 Mills energy consumption intensity (GJ/ton) 3.30 3.30 3.29 Mill process water recycled (%) * 97 96 98 Scope 1 emissions (MT CO2 eq emissions/ton) ** 0.148 0.154 0.156 ** Our Scope 1 emissions address CMC mills only and calculations include CO2 , CH4 and N2 O VALUING OUR PEOPLE Total recordable incident rate (incidents per 100 employees) 2.0 2.0 1.5 CONTRIBUTING TO COMMUNITIES Charitable spending (U.S. Dollars) 460,000 683,500 621,232 CUSTOMER SERVICE AND PRODUCT RESPONSIBILITY Average CMC mill overall customer satisfaction ranking within the Jacobson & Associates Steel Customer Satisfaction Survey *** 4.5 4.5 2.5 ***Average ranking is derived by taking the average score from the Jacobson Survey of our four mills that participate (i.e., in 2016, our U.S. mills ranked 1, 2, 3, and 4 which averages to a ranking of 2.5) Our Performance 4 Please note that several 2014 metrics have been restated. For details, see the Overview of Restatements made on page 2.