Commercial Metals Company Investor Presentation Deck

REBAR tCO2e per MT of steel ZERO™ Scopes 1&2 Greenhouse Gas Emissions (GHG) Intensity 2.2 A Leader in Sustainability CMC plays a key role in the circular steel economy, turning society's metallic waste into the steel that forms the backbone of modern life Integrated Global Average Average Scopes 1-3 GHG Emissions Intensity 1.91 1.8 Global Industry CMC WIRE ZERO™ 0.67 1.0 U.S. Average Energy Intensity 21.31 0.413 CMC MERCHANT Progress on 2030 Goals (2019 baseline[¹]) Reduce our Scope 1 and 2 GHG emissions intensity by 20% Increase our renewable energy usage by 12% points 69% Of goal Water Withdrawal Intensity 28.60 1.13 LLLL 3.86 CMC Global Industry CMC Global Industry [1] Represents progress on environmental goals as of fiscal year 2022, compared to fiscal year 2019 Note: GHG emissions statistics for CMC include only steel mill operations, which represents over 95% of CMC's emissions footprint Sources: CMC 2022 Sustainability Report; virgin material content for industry based on data from Bureau of International Recycling; all other industry data sourced from the World Steel Association ZERO™ 53% Of goal CMC 69% Virgin Materials Used in Steelmaking Reduce our energy consumption intensity by Global Industry 2% CMC POST ZERO™ 5% 82% Of goal Reduce our water withdrawal intensity by 8% INTEGRI 22% Of goal ONE CMC AFETY ACCOUNTABILITY FOR OUR ACTIONS RESPECT FOR OUR ENVIRONMENT ACTING WITH INTEGRITY CMC: Investor Overview 15

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