Commercial Metals Company Results Presentation Deck

Q3 Operational Update Performance Drivers Outlook CMC ● ● ● ● ● ● Downstream product margins over scrap expanded significantly compared to the prior year period - Improved by approximately $300 per ton y/y North America finished steel volumes reflected good underlying demand levels and a typical seasonal rebound from Q2 Major planned outage to replace a rolling line split between Q3 and Q4 North America controllable costs per ton of finished steel declined meaningfully from the sequential quarter on improved fixed cost leverage, lower per-unit costs for key consumables, and a lower cost burden related to major planned maintenance outages Europe segment results negatively impacted year-over-year by a lower steel pricing environment, higher energy costs, and a reduction in shipments - Steel product margin over scrap declined $111 per ton from a year ago - Energy costs increased by ~$60 per ton y/y Europe maintained profitability and historically high shipment volumes within a challenging market environment Leveraged strong competitive cost position and operational flexibility to address market opportunities Q4 financial results are expected to be historically strong North America finished steel shipments should be consistent with Q3 levels, supported by end market strength and a robust downstream backlog North America segment margins are expected to be similar to Q3 Financial results in Europe are anticipated to be relatively unchanged vs. Q3 Q3 FY23 Supplemental Slides June 22, 2023 11

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