Edge Copper Corporation — AGM Information 2021

Mar 1, 2021

1100 – 1111 Melville Street Vancouver BC, V6E 3V6

www.plminerals.com

March 1, 2021

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: Annual General Meeting Record Date for Notice of Meeting: March 26, 2021 Record Date for Voting March 26, 2021 Beneficial Ownership Determination Date: March 26, 2021 Meeting Date: April 30, 2021 Meeting Location: 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 No Beneficial Holders Stratification Criteria N/A NAA for Registered Holders No

Voting Security Details:

Description CUSIP Number ISIN COMMON SHARES 72763R106 CA72763R1064

Sincerely,

PLATA LATINA MINERALS CORPORATION

“Patricia Fong”