X0508 4 2025-02-28 0000105634 EMCOR Group, Inc. EME 0001343846 Altmeyer John W 1330 SAXTON WAY MECHANICSBURG PA 17055 1 0 0 0 0 Common Stock 2025-02-28 4 S 0 2000 404.95 D 35615 D The price reported is the weighted average of all the shares sold on February 28, 2025. The shares were sold at an average price of $404.95, at varying prices in the range of $404.95 to $404.97 The Reporting Person undertakes, upon request by the Staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, to provide full information regarding the number of shares sold at each separate price. Includes shares issuable in respect of restricted stock units. Maxine L. Mauricio, Attorney-in-Fact 2025-02-03