| 1a. | Elect Louise S. Sams - Chair (Non Executive) | Oppose |
| 1b. | Elect Andrew C. Florance - Chief Executive | For |
| 1c. | Elect John L. Berisford - Non-Executive Director | For |
| 1d. | Elect Angelique G. Brunner - Non-Executive Director | Oppose |
| 1e. | Elect Rachel C. Glaser - Non-Executive Director | For |
| 1f. | Elect John W. Hill - Non-Executive Director | Oppose |
| 1g. | Elect Christine M. McCarthy - Non-Executive Director | For |
| 1h. | Elect Robert W. Musslewhite - Non-Executive Director | Oppose |
| 2. | Appoint Ernst & Young LLP as the Auditors | Oppose |
| 3. | Advisory Vote on Executive Compensation | Oppose |
| 4. | Approve CoStar Group, Inc. 2026 Employee Stock Purchase Plan | Oppose |
