Company Achieves Milestone Attained by Fewer Than 60 Currently Listed U.S. Public Companies

Carlisle Companies Incorporated (NYSE:CSL) today announced that its Board of Directors approved a 14% increase in the Company’s regular quarterly dividend from $1.10 to $1.25 per share, or to $5 per share on an annualized basis. The dividend is payable on September 1, 2026, to shareholders of record at the close of business on August 19, 2026.

With this increase, Carlisle joins the elite group of "Dividend Kings," U.S. public companies that have raised their annual dividend for at least 50 consecutive years, a distinction held by fewer than 60 currently listed U.S. public companies.

"Our 50^th consecutive annual dividend increase reflects the durability of Carlisle's business model, and the dedicated management teams that have led this business since 1976," said Chris Koch, Chair, President and Chief Executive Officer. "Carlisle is best understood not merely as a roofing-products company but as a capital-allocation story. For more than five decades, through recessions, market cycles, and the transformation of our portfolio into a pure-play building products company, we have sustained a relentless focus on ROIC, strong cash generation, and consistently returning capital to our shareholders."

About Carlisle Companies Incorporated

Carlisle Companies Incorporated is a leading supplier of innovative building envelope products and solutions for more energy efficient buildings. Through its building products businesses – Carlisle Construction Materials ("CCM") and Carlisle Weatherproofing Technologies ("CWT") – and family of leading brands, Carlisle delivers innovative, labor reducing and environmentally responsible products and solutions to customers through the Carlisle Experience. Carlisle is committed to generating superior shareholder returns and maintaining a balanced capital deployment approach, including investments in our businesses, strategic acquisitions, share repurchases and continued dividend increases. Carlisle is a member of the elite group of "Dividend Kings," having increased its annual dividend for 50 consecutive years. Leveraging its culture of continuous improvement as embodied in the Carlisle Operating System ("COS"), Carlisle has committed to achieving net-zero greenhouse gas emissions by 2050.

Forward-Looking Statements

This press release contains forward-looking statements, within the meaning of the Private Securities Litigation Reform Act of 1995, about our expectations, plans, objectives, future financial performance and other matters that are not historical facts. You can identify these forward-looking statements by our use of words such as "anticipate," "believe," "continues," "estimate," "expect," "forecast," "foresee," "intends," "may," "plans," "project," "pursue," "should," "will" and similar expressions. We cannot guarantee that any forward-looking statement will be realized, although we believe that we have been prudent in our plans, estimates and assumptions. Such statements are made based on known events and circumstances at the time of publication and, as such, are subject in the future to unforeseen risks and uncertainties and to assumptions that may prove to be inaccurate. It is possible that our future performance may differ materially from current expectations expressed in, or implied by, these forward-looking statements due to a variety of factors, including:

increasing price and product/service competition by foreign and domestic competitors, including new entrants;
significant reliance on our key customers;
damage to, or prolonged disruption of, our manufacturing facilities;
technological developments and changes;
the ability to continue to introduce competitive new products and services on a timely, cost-effective basis;
our mix of products/services;
increases in raw material costs that cannot be recovered in product pricing;
domestic and foreign governmental and public policy changes including environmental and industry regulations;
the ability of our customers to maintain appropriate labor levels under U.S. immigration laws, policies and practices;
the ability to meet our goals relating to our intended reduction of greenhouse gas emissions, including our net zero commitments;
threats associated with, and efforts to combat, terrorism;
protection and validity of patent and other intellectual property rights;
the identification of strategic acquisition targets and our successful completion of any transaction and integration of our strategic acquisitions;
the cyclical nature of our businesses;
the impact of information technology, cybersecurity, artificial intelligence or data security breaches at our businesses or third parties;
the outcome of pending and future litigation, including product liability claims, and governmental proceedings;
general industry and market conditions and growth rates, the condition of the financial and credit markets and general domestic and international economic conditions, including inflation, interest rate and currency exchange rate fluctuations, and tariffs;
any conflict in the international arena, including the Russian invasion of Ukraine and war in the Middle East; and
the other factors discussed in the reports we file with, or furnish to, the Securities and Exchange Commission from time to time

Any forward-looking statement speaks only as of the date on which that statement is made, and we undertake no duty to update any forward-looking statement to reflect events or circumstances, including unanticipated events, after the date on which that statement is made, unless otherwise required by law. New factors emerge from time to time, and it is not possible for us to predict all of those factors, nor can we assess the impact of each of those factors on the business.

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Mehul Patel

Vice President, Investor Relations

(310) 592-9668

mpatel@carlisle.com