Officer-Director Change: Scott C. Selbach Retires from CARLISLE COMPANIES INC

Scott C. Selbach, Executive Vice President of Government Relations at CARLISLE COMPANIES INC (CSL), has retired from the company effective April 28, 2026. As a result of his retirement, Mr. Selbach will no longer be subject to Section 16 reporting requirements for transactions involving the company's equity securities. He will not be filing further Form 4 or Form 5 reports related to these transactions. This change is noted in the SEC filing dated April 28, 2026.