Irving, Texas - March 20, 2024 - Today, the board of directors of Commercial Metals Company ("CMC" or the "Company") (NYSE: CMC) declared a regular quarterly cash dividend of $0.18 per share of CMC common stock, an increase of $0.02, or 13%, from the dividend paid in February 2024. CMC’s 238th consecutive quarterly dividend will be paid on April 10, 2024, to stockholders of record as of the close of business on April 1, 2024.

“This announcement demonstrates the high degree of confidence on the part of management and our board of directors regarding the Company’s cash flow capabilities, financial position, and fundamental business outlook,” said Peter R. Matt, President and Chief Executive Officer. “It also reflects our commitment to providing CMC’s stockholders with an attractive level of cash distributions and follows the recent increase to the Company’s share repurchase authorization. We are optimistic about the future of CMC, and aim to execute a capital allocation strategy that prioritizes both value-accretive growth and competitive cash returns to stockholders.”

About CMC

CMC is an innovative solutions provider helping build a stronger, safer and more sustainable world. Through an extensive manufacturing network principally located in the United States and Central Europe, CMC offers products and technologies to meet the critical reinforcement needs of the global construction sector. CMC’s solutions support construction across a wide variety of applications, including infrastructure, non-residential, residential, industrial and energy generation and transmission.

Forward-Looking Statements

This news release contains forward-looking statements within the meaning of the federal securities laws with respect to CMC’s cash flow capabilities, financial position, fundamental business outlook and capital allocation strategy. The statements in this release that are not historical statements, are forward-looking statements. These forward-looking statements can generally be identified by phrases such as we or our management "expects," "anticipates," "believes," "estimates," "future," "intends," "may," "plans to," "ought," "could," "will," "should," "likely," "appears," "projects," "forecasts," "outlook" or other similar words or phrases, as well as by discussions of strategy, plans or intentions.

The Company's forward-looking statements are based on management’s expectations and beliefs as of the time this news release was prepared. Although we believe that our expectations are reasonable, we can give no assurance that these expectations will prove to have been correct, and actual results may vary materially. Except as required by law, we undertake no obligation to update, amend or clarify any forward-looking statements to reflect changed assumptions, the occurrence of anticipated or unanticipated events, new information or circumstances or any other changes. Important factors that could cause actual results to differ materially from our expectations include those described in our filings with the Securities and Exchange Commission, including, but not limited to, in Part I, Item 1A, "Risk Factors" of our annual report on Form 10-K for the fiscal year ended August 31, 2023, as well as the following: changes in economic conditions which affect demand for our products or (CMC Press Release - Page 2)

construction activity generally, and the impact of such changes on the highly cyclical steel industry; rapid and significant changes in the price of metals, potentially impairing our inventory values due to declines in commodity prices or reducing the profitability of downstream contracts within our vertically integrated steel operations due to rising commodity pricing; excess capacity in our industry, particularly in China, and product availability from competing steel mills and other steel suppliers including import quantities and pricing; the impact of the Russian invasion of Ukraine on the global economy, inflation, energy supplies and raw materials; increased attention to environmental, social and governance ("ESG") matters, including any targets or other ESG or environmental justice initiatives; operating and startup risks, as well as market risks associated with the commissioning of new projects could prevent us from realizing anticipated benefits and could result in a loss of all or a substantial part of our investments; impacts from global public health crises on the economy, demand for our products, global supply chain and on our operations; compliance with and changes in existing and future laws, regulations and other legal requirements and judicial decisions that govern our business, including increased environmental regulations associated with climate change and greenhouse gas emissions; involvement in various environmental matters that may result in fines, penalties or judgments; evolving remediation technology, changing regulations, possible third-party contributions, the inherent uncertainties of the estimation process and other factors that may impact amounts accrued for environmental liabilities; potential limitations in our or our customers' abilities to access credit and non-compliance with their contractual obligations, including payment obligations; activity in repurchasing shares of our common stock under our share repurchase program; financial and non-financial covenants and restrictions on the operation of our business contained in agreements governing our debt; our ability to successfully identify, consummate and integrate acquisitions and realize any or all of the anticipated synergies or other benefits of acquisitions; the effects that acquisitions may have on our financial leverage; risks associated with acquisitions generally, such as the inability to obtain, or delays in obtaining, required approvals under applicable antitrust legislation and other regulatory and third-party consents and approvals; lower than expected future levels of revenues and higher than expected future costs; failure or inability to implement growth strategies in a timely manner; the impact of goodwill or other indefinite-lived intangible asset impairment charges; the impact of long-lived asset impairment charges; currency fluctuations; global factors, such as trade measures, military conflicts and political uncertainties, including changes to current trade regulations, such as Section 232 trade tariffs and quotas, tax legislation and other regulations which might adversely impact our business; availability and pricing of electricity, electrodes and natural gas for mill operations; our ability to hire and retain key executives and other employees; our ability to successfully execute leadership transitions; competition from other materials or from competitors that have a lower cost structure or access to greater financial resources; information technology interruptions and breaches in security; our ability to make necessary capital expenditures; availability and pricing of raw materials and other items over which we exert little influence, including scrap metal, energy and insurance; unexpected equipment failures; losses or limited potential gains due to hedging transactions; litigation claims and settlements, court decisions, regulatory rulings and legal compliance risks; risk of injury or death to employees, customers or other visitors to our operations; and civil unrest, protests and riots.

Media Contact:

Susan Gerber

214.689.4300