Quebec Rare Earth Elements Corporation — AGM Information 2021

Oct 15, 2021

METALLICA METALS CORP.

(formerly Cameo Industries Corp.) Suite 810, 789 West Pender Street,

Vancouver, British Columbia V6C 1H2

NOTICE OF ANNUAL AND SPECIAL MEETING OF SHAREHOLDERS

NOTICE IS GIVEN THAT an annual and special meeting (the “ Meeting ”) of the holders of common shares (the “ Shareholders ”) of Metallica Metals Corp. (formerly Cameo Industries Corp.) (the “ Company ”) will be held at 810 – 789 West Pender Street Vancouver BC V6C 1H2 on Wednesday, November 10, 2021 at 11:00 a.m. (Vancouver time) for the following purposes:

1. to receive the Company’s audited financial statements for the fiscal years ended April 30, 2021;

2. to fix the number of directors at four (4);

3. to elect directors of the Company to holder office until the next annual meeting of Shareholders;

4. to appoint the auditors of the Company for the ensuing year and to authorize the directors to fix the remuneration to be paid to the auditors;

5. to consider, and if thought fit, to pass, with or without variation, an ordinary resolution ratifying, confirming and approving the Company’s restrictive share unit plan, as more particularly described in the accompanying Circular;

6. to consider, and if thought fit, to pass, with or without variation, an ordinary resolution ratifying, confirming and approving the Company’s deferred share unit plan, as more particularly described in the accompanying Circular;

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

The Company’s board of directors (the “ Board ”) has fixed October 6, 2021 as the record date for the determination of Shareholders entitled to receive notice of and to vote at the Meeting and at any adjournment or postponement thereof. Each registered Shareholder at the close of business on that date is entitled to receive such notice and to vote at the Meeting in the circumstances set out in the accompanying Information Circular.

If you are a registered Shareholder of the Company and are unable to attend the Meeting in person, please complete, date and sign the accompanying form of proxy and deposit it with the Company’s transfer agent, Endeavor Trust Company, 760 – 777 Hornby Street, Vancouver, British Columbia, V6Z 1S4, no later than 11:00 a.m. on November 8, 2021 or at least 48 hours (excluding Saturdays, Sundays and holidays recognized in the Province of British Columbia) before the time and date of any adjournment or postponement of the Meeting.

If you are a non-registered Shareholder and received this notice (“ Notice ”) of Meeting and accompanying materials through a broker, a financial institution, a participant, a trustee or administrator of a self-administered retirement savings plan, retirement income fund, education savings plan or other similar self-administered savings or investment plan registered under the Income Tax Act (Canada), or a nominee of any of the foregoing that holds your securities on your behalf (the “ Intermediary ”), please complete and return the materials in accordance with the instructions provided to you by your Intermediary.

In view of the current and rapidly evolving COVID-19 outbreak, the Company asks that, in considering whether to attend the Meeting in person, shareholders follow the instructions of the Public Health Agency of Canada (https://www.canada.ca/en/public-health/services/diseases/2019-novel-coronavirus-infection.html). The Company encourages Shareholders not to attend the Meeting in person if experiencing any of the described COVID-19 symptoms of fever, cough or difficulty breathing. The Company may take additional precautionary measures in relation to the Meeting in response to further developments in the COVID-19 outbreak. As always, the Company encourages shareholders to vote prior to the Meeting. Shareholders are encouraged to vote on the matters before the Meeting by proxy and to join the Meeting by teleconference. To access the Meeting by teleconference, dial toll free at 1-800-319-7310 , Participation Code: 39668 , followed by the # sign.

Dated at Vancouver, British Columbia, this 6[th] day of October, 2021.

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BY ORDER OF THE BOARD OF DIRECTORS

Signed: “ Paul Ténière ”

Paul Ténière, CEO & Director

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