Mammoth Resources Corp. — Proxy Solicitation & Information Statement 2025

Dec 18, 2025

MAMMOTH RESOURCES CORP.

ANNUAL AND SPECIAL SHAREHOLDER MEETING

JANUARY 19, 2026

PROXY SUBSTITUTION

Reference is made to the Annual and Special Shareholder Meeting (the “Meeting”) of Mammoth Resources Corp. (the “Company”) to be held on January 19, 2026 and any adjournment of this Meeting.

The undersigned, being a proxyholder appointed for the purposes of this Company Meeting by certain of its Common shareholders, hereby appoints Thomas Atkins, as substituted proxyholder to attend and act on behalf of the undersigned, in respect of all Common shareholders of the Company for which the undersigned is appointed as proxyholder, pursuant to the attached proxies, at this Company Meeting and at any adjournment thereof, with all the powers which the undersigned could exercise with respect to the said Common shares of the Company if personally present and with authority to vote at the said proxyholder’s discretion, except as otherwise specified in the proxies appointing the undersigned as proxyholder, and to vote and act in said proxyholder’s discretion with respect to amendments or variations of the matters referred to in the Notice of Meeting of the Company and with respect to other matters which may properly come before this Meeting.

Dated this 10th day of December, 2025

Signature:

Name & Authority to sign: Thomas Atkins, President and CEO Mammoth Resources Corp.