EXHIBIT A
JOINT FILING AGREEMENT
Manulife Financial Corporation, Manulife Investment Management Limited and Manulife Investment Management (US) LLC agree that the Schedule 13G (Amendment No.2) to which this Agreement is attached, relating to the Common Stock of Veeco Instruments Inc. is filed on behalf of each of them.
| Manulife Financial Corporation | |
| October 22, 2025 | |
| Date | |
| /s/ Graham Miller | |
| Signature | |
| Graham Miller / Agent* | |
| Name / Title |
| Manulife Investment Management Limited | |
| 12-Nov-2025 | |
| Date | |
| /s/ Christopher Walker | |
| Signature | |
| Christopher Walker / Chief Compliance Officer | |
| Name / Title |
| Manulife Investment Management (US) LLC | |
| October 23, 2025 | |
| Date | |
| /s/ Paul M. Donahue | |
| Signature | |
| Paul Donahue / Chief Compliance Officer | |
| Name / Title |
*Signed pursuant to a Power of Attorney dated January 17, 2018 included as Exhibit A to Schedule 13F-NT filed with the Securities and Exchange Commission by Manulife Financial Corporation on January 29, 2018.