Infinitum Copper Corp. — Proxy Solicitation & Information Statement 2025

Jul 8, 2025

Date: July 07, 2025

To: All Canadian Securities Regulatory Authorities

Subject: INFINITUM 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 : July 09, 2025
Record Date for Voting (if applicable) : July 09, 2025
Beneficial Ownership Determination Date : July 09, 2025
Meeting Date : August 22, 2025
Meeting Location (if available) : Virtual Meeting
Issuer sending proxy related materials directly to NOBO: Yes
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	45675B203	CA45675B2030