Pacifica Silver — Proxy Solicitation & Information Statement 2025

Jul 21, 2025

ENDEAVOR TRUST CORPORATION

Suite 702 - 777 Hornby Street

Vancouver, BC, V6Z 1S4 Canada

Roberto Resources Inc.

Security Class: Common Shares

FORM OF PROXY

Annual General Meeting of the Common Shareholders to be held on Friday, August 15, 2025 (the "Meeting")

This Form of Proxy is solicited by and on behalf of the management of Roberto Resources Inc. (the "Company")

Notes to proxy

Every holder has the right to appoint some other person or company of their choice, who need not be a holder, to attend and act on their behalf at the Meeting or any adjournment or postponement thereof. If you wish to appoint a person or company other than the persons whose names are printed herein, please insert the name of your chosen proxyholder in the space provided.

If the securities are registered in the name of more than one owner (for example, joint ownership, trustees, executors, etc.), then all those registered should sign this proxy. If you are voting on behalf of a corporation or another individual you must sign this proxy with signing capacity stated, and you may be required to provide documentation evidencing your power to sign this proxy.

This proxy should be signed in the exact manner as the name(s) appear(s) on the proxy.

If this proxy is not dated, it will be deemed to bear the date on which it is mailed by the management to the holder.

If you appoint the Management Nominees, as defined herein, to vote your securities, they will vote in accordance with your instructions or, if no instructions are given, in accordance with the Management Voting Recommendations highlighted for each resolution overleaf. If you appoint someone else to vote your securities, they will also vote in accordance with your instructions or, if no instructions are given, as they in their discretion choose.

This proxy confers discretionary authority in respect of amendments or variations to matters identified in the notice of meeting or other matters that may properly come before the Meeting or any adjournment or postponement thereof.

This proxy should be read in conjunction with the accompanying documentation provided by Management.

Proxies submitted must be received by 11:00 A.M., Pacific Time, on Wednesday, August 13, 2025 or in the case of any adjournment or postponement of the Meeting not less than 48 hours (Saturdays, Sundays and holidays excepted) before the time of the adjourned or postponed meeting.

VOTING METHODS
MAIL or HAND DELIVERY	Endeavor Trust Corporation
702 – 777 Hornby Street
Vancouver, BC V6Z 1S4
FACSIMILE – 24 Hours a Day	604-559-8908
EMAIL	proxy@endeavortrust.com
ONLINE	As listed on Form of Proxy or Voting Instruction Form

If you vote by FAX, EMAIL or On-Line, DO NOT mail back this proxy.

Voting by mail, fax or by email are the only methods by which a holder may appoint a person as proxyholder other than the Management Nominees named on the reverse of this proxy.

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Login information for online voting
www.eproxy.ca
Control Number:
Password:

Appointment of Proxyholder

I/We, being holder(s) of certain common shares in the capital of Roberto Resources Inc. hereby appoint: Todd OR Arthony, Chief Executive Officer and Director, or, failing this person, Alan Tam, Chief Financial Officer, Secretary and Director or, failing this person, Darien Lattanzi, Director (the "Management Nominees").

Print the name of the person you are appointing if this person is someone other than the Management Nominee listed herein.

as my/our proxyholder with full power of substitution and to attend, act and to vote for and on behalf of the shareholder in accordance with the following direction (or if no directions have been given, as the proxyholder sees fit) and all other matters that may properly come before the annual general meeting of shareholders of Roberto Resources Inc. to be held at via telephone conference on Friday, August 15, 2025 at 11:00 A.M., Pacific Time, and at any adjournment or postponement thereof.

MANAGEMENT VOTING RECOMMENDATIONS ARE INDICATED BY HIGHLIGHTED TEXT OVER THE BOXES.

1. Number of Directors
   To set the number of directors of the Company for the ensuing year at four (4) persons
   ☐ ☐
2. Election of Directors
   i) Todd Anthony
   ii) Alan Tam
   iii) Darien Lattanzi
   iv) Ramon Mendoza Reyes
   ☐ ☐
3. Appointment of Auditor
   To appoint Mao & Ying LLP Chartered Professional Accountants as the auditors of the Company until the next annual general meeting of the Shareholders and to authorize the directors of the Company to fix the remuneration to be paid to the auditors.
   ☐ ☐
4. Stock Option Plan
   To consider, and if deemed appropriate, to pass, with or without variation, an ordinary resolution approving, ratifying and confirming the Company's rolling 10% stock option plan as more particularly described in the accompanying Information Circular.
   ☐ ☐
5. Other Business
   To transact such other business as may be properly brought before the Meeting or any adjournment thereof.
   ☐ ☐

Authorized Signature(s) – This section must be completed for your instructions to be executed.
I/We authorize you to act in accordance with my/our instructions set out above.
I/We hereby revoke any proxy previously given with respect to the Meeting.
If no voting instructions are indicated above, this proxy will be voted as recommended by management.

Signature(s)

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Print Name(s) & Signing Capacity(ies), if applicable

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Date (MM-DD-YY)
THIS PROXY MUST BE DATED

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Financial Statements Request

In accordance with securities regulations, shareholders may elect annually to receive financial statements, or a notice advising how to access financial statements, if they so request. If you wish to receive such mailings, please mark your selection.

Interim Financial Reports – Mark the box to the right if you would like to RECEIVE interim financial statements and accompanying management's discussion & analysis by mail.
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Annual Financial Report – Mark the box to the right if you would like to RECEIVE annual financial statements and accompanying management's discussion and analysis by mail.
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To request the receipt of future documents via email, you may contact Endeavor Trust Corporation at proxy@endeavortrust.com.