West Vault Mining Inc. — AGM Information 2022

May 17, 2022

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NOTICE AND ACCESS NOTIFICATION

NOTICE OF ANNUAL GENERAL MEETING OF SHAREHOLDERS

You are receiving this notification as West Vault Mining Inc. (the “ Company ”) has decided to use the notice and access model (“ Notice and Access ”) provided for under recent amendments to National Instrument 54-101 Communication with Beneficial Owners of Securities of a Reporting Issuer for the delivery of meeting materials to its shareholders for its annual general meeting of shareholders to be held on Thursday, June 23, 2022 (the “ Meeting ”). Under Notice and Access, instead of receiving printed copies of the Company’s management information circular (“ Information Circular ”), financial statements for the fiscal year ended December 31, 2021 and management’s discussion and analysis (collectively, the “ Meeting Materials ”), shareholders are receiving this notice with information on how they may access such Meeting Materials electronically. With this notice, shareholders will receive a proxy (in the case of registered shareholders) or a voting instruction form (in the case of non-registered shareholders), enabling them to vote at the Meeting. The Company has adopted this alternative means of delivery in order to further its commitment to environmental sustainability and to reduce its printing and mailing costs. This notice serves as a notice of meeting under section 169 of the Business Corporations Act (British Columbia).

Meeting Date, Location and Purposes

The Meeting will be held on Thursday, June 23, 2022 (“ Meeting Date ”) at 11:00 a.m. (Pacific Time) at Suite 838, 1100 Melville Street, Vancouver, British Columbia, for the following purposes:

1. to elect directors for the ensuing year;

2. to appoint the auditors for the ensuing year and to authorize the directors to fix their remuneration;

3. to consider and if thought fit, pass an ordinary resolution to approve the Company’s new Share Compensation Plan, as described in the accompanying Information Circular;

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

The Company urges shareholders to review the Information Circular before voting.

Accessing Meeting Materials Online

The Meeting Materials (and the financial statement request card) can be viewed online under the Company’s profile on SEDAR at www.sedar.com, or the Company’s website at http://westvaultmining.com/investors/agm_2022/.

Accompanying this notice are a form of proxy (the “ Proxy ”) or voting information form (“ VIF ”), and a financial statement request form (“ Request Form ”). The Information Circular (which can be viewed online at the websites described above) provides additional information relating to the matters to be addressed at the Meeting and is incorporated by reference into this notice.

Requesting Printed Meeting Materials

Any registered shareholder or Canadian NOBO (as defined in this Information Circular) who wishes to receive a paper copy of the Information Circular prior to the proxy deadline date should contact the Company at 1-866-899-5450. Any Canadian OBO (as defined in this Information Circular) or US beneficial holder who wishes to receive a paper copy of the Information Circular prior to the proxy deadline date should contact Broadridge Investor Communication Solutions, Canada at 1-877-907-7643. To receive the Information Circular in advance of the proxy deadline date, requests for printed copies must be received no later than 11:00 a.m. (Pacific time) on June 19, 2022.

To obtain additional information about the Notice and Access Provisions, or to obtain a paper copy of the Information Circular after the date of the Meeting, please contact Frank Hallam, the Corporate Secretary of the Company, at 1-866-899-5450.

Stratification

The Company has determined that those registered and beneficial shareholders with existing instructions on their account to receive printed materials and those registered and beneficial shareholders with addresses outside of Canada and the United States will receive printed copies of the Meeting Materials with this notice.

Voting Process

Registered Shareholders at the close of business on May 6, 2022 may vote in person at the Meeting or by proxy as follows:

By telephone: Call the toll-free number indicated on the proxy form and follow the instructions. If you choose to vote by telephone, you cannot appoint any person other than the officers named on the Proxy as your proxy holder.

On the internet : Go to the website indicated on the proxy form and follow the instructions on the screen. If you return your proxy via the internet, you can appoint another person, who need not be a shareholder, to represent you at the Meeting by inserting such person’s name in the blank space provided in the Proxy. Complete your voting instructions and date and sign the Proxy. Make sure that the person you appoint is aware that he or she has been appointed and attends the Meeting.

By mail: Complete the Proxy and return it in the envelope provided. If you return your Proxy by mail, you can appoint another person, who need not be a shareholder, to represent you at the Meeting by inserting such person’s name in the blank space provided in the Proxy. Complete your voting instructions and date and sign the Proxy. Make sure that the person you appoint is aware that he or she has been appointed and attends the Meeting.

In order to be valid and acted upon at the Meeting, the deadline for receiving duly completed and executed forms of proxy or submitting a proxy by telephone or over the internet is 11:00 a.m. (Pacific time) on Tuesday, June 21, 2022, (the “ Proxy Deadline ”) or no later than 48 hours (excluding Saturdays, Sundays and holidays) before the time of any adjourned or postponed Meeting. All proxies must be received by Computershare by the Proxy Deadline in order to be valid and any proxies received after the Proxy Deadline will not be accepted.

Non-Registered Shareholders may vote or appoint a proxy using their VIF at least one business day in advance of the proxy deposit deadline noted on the form. You should carefully follow the instructions of your intermediary, including those regarding when and where the Proxy or VIF is to be delivered.

For Any Questions

Shareholders with questions about Notice and Access can contact the Company Toll-Free at 1-866-899-5450.

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DATED at Vancouver, British Columbia, this 12[th] day of May, 2022.

BY ORDER OF THE BOARD

/s/ Frank R. Hallam Frank R. Hallam Chief Financial Officer

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