Exhibit 99.77
| |
| May 25, 2026 | 510 Burrard Street, 3rd Floor |
| Vancouver BC, V6C 3B9 | |
| www.computershare.com |
To: All Canadian Securities Regulatory Authorities
Subject: GOLDGROUP MINING INC
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 29, 2026 |
| Record Date for Voting (if applicable) : | May 29, 2026 |
| Beneficial Ownership Determination Date : | May 29, 2026 |
| Meeting Date : | July 02, 2026 |
| Meeting Location (if available) : | Vancouver, BC |
| Issuer sending proxy related materials directly to NOBO: | No |
| Issuer paying for delivery to OBO: | Yes |
| Notice and Access (NAA) Requirements: | |
| NAA for Beneficial Holders | No |
| NAA for Registered Holders | No |
Voting Security Details:
| Description | CUSIP Number | ISIN |
| COMMON SHARES | 38141A404 | CA38141A4046 |
| COMMON RESTRICTED 144A | 38141A503 | US38141A5039 |
Sincerely,
Computershare
Agent for GOLDGROUP MINING INC