Class 1 Nickel and Technologies Limited — Proxy Solicitation & Information Statement 2025

May 17, 2025

NICKEL AND TECHNOLOGIES

CLASS 1 NICKEL AND TECHNOLOGIES LIMITED

NOTICE OF ANNUAL GENERAL MEETING OF SHAREHOLDERS

NOTICE IS HEREBY GIVEN that an annual general meeting (the “Meeting”) of holders (“Shareholders”) of common shares (the “Shares”) of Class 1 Nickel and Technologies Limited (the “Corporation”) will be held on June 17, 2025 at 4:30 p.m. (Toronto time) at the offices of DSA Corporate Services L.P., The Canadian Venture Building, 82 Richmond Street East, Toronto, Ontario M5C 1P1 for the following purposes:

(1) to receive the audited consolidated financial statements of the Corporation as at and for the years ended December 31, 2024, together with the report of the auditors thereon;

(2) to elect directors of the Corporation who will serve until the next annual meeting of shareholders;

(3) to appoint Horizon Assurance LLP, Chartered Professional Accountants, as the auditor of the Corporation for the ensuing year and to authorize the directors of the Corporation to fix the remuneration to be paid to the auditor; and

(4) to transact such other business as may properly come before the Meeting or any adjournment thereof.

Additional information relating to the business to be submitted to the Meeting is contained in the management information circular and forms part of this Notice.

The board of directors of the Corporation (the “Board” or “Board of Directors”) has fixed the close of business on May 13, 2025 as the record date for the purpose of determining Shareholders entitled to receive notice of, and vote at, the Meeting. Only Shareholders of record at the close of business on May 13, 2025 are entitled to vote at the Meeting. The failure of any Shareholder to receive notice of the Meeting does not deprive such Shareholder of the right to vote at the Meeting.

Registered Shareholders, being those Shareholders whose names appear on the books and records of the Corporation as a registered holder of Shares, who are unable to attend the Meeting should complete, sign, date and return the enclosed form of proxy to Computershare Investor Services Inc. at their offices located on the 8th Floor, 100 University Avenue, Toronto ON M5J 2Y1, or by toll-free fax (North America fax 1-866-249-7775; International fax +1-416-263-9524) or online

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at www.investorvote.com in accordance with the instructions set out in the form of proxy accompanying the circular no later than 4:30 p.m. (EDT) on June 12, 2025.

Non-registered Shareholders, being Shareholders who beneficially own and hold Shares through a broker or other intermediary and who do not hold Shares in their own names, who have received these materials through their broker or another intermediary should refer to the accompanying information circular for further instructions.

Dated at Toronto, Ontario this 13th day of May, 2025.

BY ORDER OF THE BOARD OF DIRECTORS

(Signed) “David Fitch”
DAVID FITCH
President, Chief Executive Officer and Director

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