EXTER GOLD CORP. — AGM Information 2021

Nov 27, 2021

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BIRD RIVER RESOURCES INC.

NOTICE OF ANNUAL MEETING OF SHAREHOLDERS

TAKE NOTICE that the annual meeting (the “ Meeting ”) of shareholders (the “ Shareholders ”) of Bird River Resources Inc. (the “ Corporation ”) will be held at 5204 Roblin Boulevard, Winnipeg, Manitoba R3R 0H1.on December 22, 2021, at 1 PM (Winnipeg time) (2 PM Toronto time). Shareholders may attend the Meeting:

• i. in person (or by a duly appointed proxy) at 5204 Roblin Boulevard, Winnipeg, Manitoba, R3R 0H1;

• ii. by telephone by calling +1-647-374-4685 and entering Meeting ID No. 828-2466-5656 and Passcode No. 914830 to join the Meeting by telephone; or

• iii. by Zoom teleconference via https://zoom.us/join and entering Meeting ID No. 828-2466-5656 and No. Passcode 914830.

COVID-19 Precautions . In light of ongoing concerns regarding the spread of COVID-19, Shareholders are encouraged to vote on the matters before the Meeting by proxy. We encourage Shareholders not to attend the Meeting in person , particularly if they are experiencing any of the described COVID-19 symptoms. As always, we encourage Shareholders to vote their shares prior to the Meeting by following the instructions in the enclosed form of proxy. We may take additional precautionary measures in relation to the Meeting in response to further developments with the COVID-19 outbreak. In the event it is not possible or advisable to hold the Meeting in person, we will announce alternative arrangements for the Meeting as promptly as practicable, which may include delaying the Meeting or holding the Meeting entirely by electronic means, telephone or other communication facilities. If you are a registered shareholder or appointed proxyholder and are planning to attend the Meeting, please notify the Corporation in advance of the Meeting at either the email address or phone number provided below:

Email: umi@bell.net Telephone: 877-587-0777

The Meeting will be held for the following purposes:

• (a) to receive the audited financial statements of the Corporation for the year ended July 31, 2020 and the auditor’s report thereon;

• (b) to elect directors of the Corporation;

• (c) to re-appoint MNP LLP as auditor of the Corporation and to authorize the directors to fix their remuneration; and

• (d) to transact such other business as may properly be brought before the Meeting, or any adjournment thereof.

The details of the matters proposed to be put before the Meeting are set forth in the management information circular (the “Circular”) accompanying this Notice, which is supplemental to and expressly made part of this Notice.

Shareholders who are unable to attend the Meeting in person and who wish to ensure that their common shares will be voted at the Meeting must complete, date and execute the enclosed form of proxy, or another suitable form of proxy, and deliver it in accordance with the instructions set out in the form of proxy and in the Circular.

Unregistered shareholders who plan to attend the Meeting must follow the instructions set out in the voting

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instruction form and in the Circular to ensure that their shares will be voted at the Meeting. If you hold your shares in a brokerage account, you are not a registered shareholder.

If you require assistance with voting your common shares, please contact your financial, legal, tax or other professional advisors.

DATED at Toronto, Ontario, this 22[nd] day of November 2021.

BY ORDER OF THE BOARD OF DIRECTORS

/s/ “Jon Bridgman”

Jon Bridgman Chief Executive Officer and Director