| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Tang Vance W | Director | C/O COMFORT SYSTEMS USA, INC., 675 BERING DRIVE, SUITE 400, HOUSTON | /s/ Rachel R. Eslicker, Attorney-in-Fact | 02 May 2025 | 0001479275 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | FIX | Common Stock | Sale | $211,000 | -500 | -9.1% | $422.00 | 4,998 | 01 May 2025 | By Trust | F1, F2 |
| Id | Content |
|---|---|
| F1 | Represents the average price of shares sold; full information regarding the number of shares sold and specific prices will be made available upon request to the Company's Office of the General Counsel. |
| F2 | Shares held in The Tang Living Trust, dated October 3, 2014, for which the Reporting Person and his spouse are trustees. |