510 Burrard Street, 3rd Floor
Vancouver BC, V6C 3B9
www.computershare.com
| April 09, 2026 |
510 Burrard Street, 3rd Floor Vancouver BC, V6C 3B9 www.computershare.com |
| To: | All Canadian Securities Regulatory Authorities New York Stock Exchange |
Subject: ERO COPPER 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 and Special Meeting |
| Record Date for Notice of Meeting : | May 04, 2026 |
| Record Date for Voting (if applicable) : | May 04, 2026 |
| Beneficial Ownership Determination Date : | May 04, 2026 |
| Meeting Date : | June 29, 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 SHARES | 296006109 | CA2960061091 |
Sincerely,
Computershare
Agent for ERO COPPER CORP.