Exhibit 99.1 Watsco Reports Record First Quarter Sales, Record Cash Flow and Improving Business Trends Ahead of Summer Selling Season Continued Customer Adoption of Industry-Leading Technologies Drives Share Gains; Company Strengthens Balance Sheet for Long-Term Investment and Growth MIAMI, FLORIDA – (GLOBENEWSWIRE), April 24, 2024 – Watsco, Inc. (NYSE: WSO) announced its operating results for the first quarter ended March 31, 2024 and provided commentary on business trends, growth opportunities, technology ...