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| March 16, 2026 | 510 Burrard Street, 3rd Floor |
| Vancouver BC, V6C 3B9 | |
| www.computershare.com |
To: All Canadian Securities Regulatory Authorities
New York Stock Exchange
Subject: ENDEAVOUR SILVER CORP.
Dear Sir/Madam:
We advise of the following with respect to the upcoming Meeting of Security Holders for the subject Issuer:
| Meeting Type : | Annual General Meeting |
| Record Date for Notice of Meeting : | April 10, 2026 |
| Record Date for Voting (if applicable) : | April 10, 2026 |
| Beneficial Ownership Determination Date : | April 10, 2026 |
| Meeting Date : | June 02, 2026 |
| Meeting Location (if available) : | Vancouver, BC |
| Issuer sending proxy related materials directly to NOBO: | No |
| Issuer paying for delivery to OBO: | No |
| Notice and Access (NAA) Requirements: | |
| NAA for Beneficial Holders | Yes |
| Beneficial Holders Stratification Criteria: | Not Applicable |
| NAA for Registered Holders | Yes |
| Registered Holders Stratification Criteria: | Not Applicable |
| Voting Security Details: | ||
| Description | CUSIP Number | ISIN |
| COMMON | 29258Y103 | CA29258Y1034 |
Sincerely,
Computershare
Agent for ENDEAVOUR SILVER CORP.