Edge Copper Corporation — Proxy Solicitation & Information Statement 2025

Aug 20, 2025

PlataLatina Minerals

1100 – 1111 Melville Street
Vancouver BC, V6E 3V6
www.plminerals.com

August 20, 2025

To: All Canadian Securities Regulatory Authorities

Subject: PLATA LATINA MINERALS CORPORATION

Dear Sir/Madam:

We advise of the following with respect to the upcoming Meeting of Security Holders for the subject Issuer:

Meeting Type:	Special Meeting
Record Date for Notice of Meeting:	August 26, 2025
Record Date for Voting	August 26, 2025
Beneficial Ownership Determination Date:	August 26, 2025
Meeting Date:	October 7, 2025
Meeting Location:	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	72763R106	CA72763R1064

Sincerely,

PLATA LATINA MINERALS CORPORATION

"Patricia Fong"