

| MARKETAXESS HOLDINGS INC | 07/06/2023 AGM | |
|---|---|---|
| 1a | Elect Richard M. McVey | Oppose |
| 1b | Elect Christopher R. Concannon | For |
| 1c | Elect Nancy Altobello | For |
| 1d | Elect Steven L. Begleiter | Oppose |
| 1e | Elect Stephen P. Casper | Oppose |
| 1f | Elect Jane Chwick | Oppose |
| 1g | Elect William F. Cruger | Oppose |
| 1h | Elect Kourtney Gibson | For |
| 1i | Elect Richard G. Ketchum | For |
| 1j | Elect Emily H. Portney | For |
| 1k | Elect Richard L. Prager | For |
| 2 | Appoint PwC as Auditors | Oppose |
| 3 | Advisory Vote on Executive Compensation | Abstain |
| 4 | Approve the Frequency of Future Advisory Votes on Executive Compensation | 1 |