WINDFALL GEOTEK INC.

NOTICE OF THE ANNUAL GENERAL AND SPECIAL MEETING OF SHAREHOLDERS

NOTICE IS HEREBY GIVEN that the Annual General and Special Meeting of the Shareholders (the “ Meeting ”) of Windfall Geotek Inc. (the “ Corporation ”) will be held solely by means of remote communication, rather than in person, on December 18, 2025 at 10:00 a.m. (Eastern Time), for the following purposes:

• (1) presenting to shareholders the financial statements of the Corporation for the fiscal year ended February 28, 2025 and the auditors' report thereon;

• (2) electing the directors of the Corporation;

• (3) appointing the auditors of the Corporation and authorizing the board of directors to fix their remuneration;

• (4) consider, and if deemed advisable to adopt, a resolution in the form contained in the accompanying management information circular dated November 14, 2025 (the “ Circular ”), approving the relocation of the Corporation’s registered office to Québec; and

• (5) to transact such other business that may properly come before the meeting.

Only shareholders of record at the close of business on November 13, 2025 (the “ Record Date ”) are entitled to receive notice of the Meeting, to act at the Meeting and express their voting rights. No person who becomes a shareholder after the Record Date will be entitled to vote or act at the Meeting or any adjournment thereof.

The Corporation is conducting a virtual meeting of the shareholders of the Corporation. Shareholders will not be able to attend the Meeting in person. Instead, Registered Shareholders (as defined in the accompanying Circular) under the heading “Right of Revocation of Proxies and Appointment of Proxyholder” and duly appointed proxyholders can virtually attend, participate, vote or submit questions at the virtual Meeting online by registering at the following link :

qrco.de/bgOFZg

To ensure a smooth process, the Corporation is asking registered participants to log in by 9:45 a.m. (Eastern Time) on December 18, 2025.

Just as they would be at an in-person meeting, Registered Shareholders and duly appointed proxyholders will be able to attend the virtual Meeting, participate, submit questions online and vote virtually, all in real time, provided they are connected to the internet and comply with all of the requirements set out in the accompanying Circular. Registered Shareholders who are unable to attend the virtual Meeting are requested to complete, sign and date the accompanying form of proxy in accordance with the instructions provided therein and in the Circular and return it in accordance with the instructions and timelines set forth in the Circular. Non-registered (or beneficial) shareholders who have not duly appointed themselves as proxyholder will be able to attend the virtual Meeting as “guests”, but will not be able to participate, submit questions or vote at the virtual Meeting.

In order that the greatest number possible of shares may be represented and voted at the Meeting, shareholders who are unable to attend the meeting are requested to COMPLETE, DATE, SIGN AND RETURN the enclosed form of PROXY to Computershare Trust Company of Canada in the enclosed envelope provided for that purpose before 10:00 a.m. on December 16, 2025. Please refer to the annexed management proxy circular for additional particulars.

DATED at Toronto, Ontario

November 14, 2025

(signed) Michel Fontaine

Michel Fontaine President, CEO & Chairman

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