Tesoro Minerals Corp. — Proxy Solicitation & Information Statement 2025

May 21, 2025

Computershare
510 Burrard St, 3rd Floor
Vancouver BC, V6C 3B9
www.computershare.com

Date: May 20, 2025

To: All Canadian Securities Regulatory Authorities

(Amended)

Subject: TESORO MINERALS 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 09, 2025
Record Date for Voting (if applicable) :	May 09, 2025
Beneficial Ownership Determination Date :	May 09, 2025
Meeting Date :	June 24, 2025
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	No
NAA for Registered Holders	No

Voting Security Details:

Description	CUSIP Number	ISIN
COMMON SHARES	88160V102	CA88160V1022

Sincerely,

Computershare

Agent for TESORO MINERALS CORP.