Mineros S.A. — Proxy Solicitation & Information Statement 2025

Feb 20, 2025

Mineros S.A.
(the "Company")

Annual and Special Meeting
March 31, 2025 at 11:00 a.m. (Colombia Time)
Hotel Marriott, Calle 1a Sur #43a-83, in the City of Medellin, Antioquia, Colombia
(the "Meeting")

Mineros

Voting Instructions - Guidelines and Conditions

The Company is providing you the enclosed proxy-related materials for their securityholder Meeting. Your name, address and information about your security holdings have been obtained in accordance with applicable securities regulations from the intermediary holding them on your behalf (which is identified by name, code or identifier in the information on the top right corner on the reverse). The Voting Instruction Form ('VIF') is to enable your vote to be submitted on the stated matters. Please complete, sign, date and return the VIF. Unless you appoint yourself or a delegate to attend the Meeting and vote, your securities can be voted only by Management Nominees in accordance with your instructions.

We are prohibited from voting these securities on any of the matters to be acted upon at the Meeting without your specific voting instructions. In order for these securities to be voted at the meeting, it will be necessary for us to have your specific voting instructions. Please complete and return the information requested in this form to provide your voting instructions to us promptly. By providing voting instructions as requested, you are acknowledging that you are the beneficial owner of, and are entitled to instruct us with respect to the voting of, these securities.

THIS VOTING INSTRUCTION FORM SHOULD BE READ IN CONJUNCTION WITH THE MEETING MATERIAL. YOUR VOTING INSTRUCTIONS MUST BE RECEIVED NO LATER THAN THE FILING DEADLINE NOTED ON THE REVERSE OF THE VIF OR THE EQUIVALENT TIME BEFORE THE TIME AND DATE OF ANY ADJOURNMENT OR POSTPONEMENT OF THE MEETING.

Voting Instructions and Authority - Notes

1. THIS VOTING INSTRUCTION FORM IS SOLICITED BY OR ON BEHALF OF THE MANAGEMENT OF THE COMPANY.
2. If you appoint the Management Nominees indicated on the reverse to vote your securities, they will vote in accordance with your instructions or, if no instructions are given, in accordance with the Voting Recommendation highlighted for each Resolution on the reverse. 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.
3. The appointment of the Management Nominees or another Appointee gives them discretion to vote on any other matters that may properly come before the Meeting.
4. If internet voting is available, you can provide your voting instructions on the website see "Internet" section under "Voting Method".
5. To be valid, this VIF must be signed. Please date the VIF. If the VIF is not dated, it is deemed to bear the date of mailing to the securityholders of the Company.
6. This form does not convey any right to vote in person at the Meeting. We urge you to read the above instructions, and the Information Circular prior to completing, signing and returning the VIF so that your securities can be voted. If you want to attend the meeting and vote in person, write your name in the place provided for that purpose on the reverse of this form. You can also write the name of someone else whom you wish to attend the meeting and vote on your behalf. Unless prohibited by law, the person whose name is written in the space provided will have full authority to present matters to the meeting and vote on all matters that are presented at the meeting, even if those matters are not set out in this form or the information circular. Consult a legal advisor if you wish to modify the authority of that person in any way. If you require help, contact your advisor.
7. Guidelines for proper execution of the VIF are available at www.stac.ca. Please refer to the Proxy Protocol.

VOTING METHOD
INTERNET	Go to www.voteproxyonline.com and enter the 12 digit control number
FACSIMILE	416-595-9593
MAIL or HAND DELIVERY	TSX Trust Company
301 - 100 Adelaide Street West
Toronto, Ontario, M5H 4H1
For assistance, please contact TSX TRUST INVESTOR SERVICES.
Mail: 301 - 100 Adelaide Street West Toronto, ON, M5H 4H1
Tel: 1-866-600-5869
Email: tsxtis@tmx.com

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TMX

TSX TRUST

VOTING INSTRUCTION FORM ("VIF")

Mineros S.A.

(the "Company")

Annual and Special Meeting

March 31, 2025 at 11:00 a.m. (Colombia Time)

Hotel Marriott, Calle 1a Sur #43a-83, in the City of Medellín, Antioquia, Colombia

SECURITY CLASS: Common
RECORD DATE: February 14, 2025

CONTROL NUMBER:

FILING DEADLINE FOR PROXY: March 27, 2025 at 11:00 a.m. (Colombia Time)

APPOINTEES

The undersigned hereby appoints Andrés Vélez Isaza, whom failing Daniela Vélez Bayter (the "Management Nominees"), or instead of any of them, the following Appointee

Please print appointee name

as proxyholder on behalf of the undersigned with the power of substitution to attend, act and vote for and on behalf of the undersigned in respect of all matters that may properly come before the Meeting and at any adjournment(s) or postponement(s) thereof, to the same extent and with the same power as if the undersigned were personally present at the said Meeting or such adjournment(s) or postponement(s) thereof in accordance with voting instructions, if any, provided below.

- SEE VOTING GUIDELINES ON REVERSE -

RESOLUTIONS - VOTING RECOMMENDATIONS ARE INDICATED BY HIGHLIGHTED TEXT ABOVE THE BOXES

1. Approval of Meeting Agenda	FOR	AGAINST
To approve, with or without variation, the Meeting agenda as set out in the Notice of Meeting.	☐	☐
2. Appointment of the Review Commission	FOR	AGAINST
To approve the appointment of the commission for the scrutiny, review and approval of the minutes of the Meeting.	☐	☐
3. Approval of Management Report	FOR	AGAINST
To approve management's annual report to the General Shareholder Assembly for the year ended December 31, 2024.	☐	☐
4. Approval of Colombian Financial Statements	FOR	AGAINST
To approve the Company's Colombian Financial Statements (as such term is defined in the Circular) as at and for the year ended December 31, 2024.	☐	☐
5. Approval of Profit Distribution	FOR	AGAINST
To approve, with or without variation, the distribution of the Company's profits for the fiscal year ended December 31, 2024, as proposed by the board of directors of the Company.	☐	☐
6. Advisory Vote on Individual Directors	FOR	WITHHOLD
To approve, the non-binding advisory approval of each individual director proposed by the Company for election at the Meeting, as more particularly described in the Circular.
a) Filipe J. Martins	☐	☐
b) Marco Izquierdo Llanos	☐	☐
c) Sofia Bianchi	☐	☐
d) Lucia Taborda	☐	☐
e) Michael Doyle	☐	☐
f) Mauricio Toro Zuluaga	☐	☐
g) Juan Esteban Mejia	☐	☐
h) Daniel Henao	☐	☐
i) Hernan Rodriguez	☐	☐
7. Election of Directors	FOR	WITHHOLD
---	---	---
To elect the following slate of directors proposed by the Company in accordance with the electoral quotient system.
a) Filipe J. Martins	☐	☐
b) Marco Izquierdo Llanos	☐	☐
c) Sofia Bianchi	☐	☐
d) Lucia Taborda	☐	☐
e) Michael Doyle	☐	☐
f) Mauricio Toro Zuluaga	☐	☐
g) Juan Esteban Mejia	☐	☐
h) Daniel Henao	☐	☐
i) Hernan Rodriguez	☐	☐
8. Approval of Director Compensation	FOR	AGAINST
---	---	---
To approve, with or without variation, the proposed compensation for the Company's directors for the coming year.	☐	☐
9. Appointment and Remuneration of the Statutory Auditor	FOR	WITHHOLD
To approve the appointment of Deloitte & Touche S.A.S. as the statutory auditor of the Company for the ensuing two year term and to approve their remuneration.	☐	☐

This VIF revokes and supersedes all earlier dated proxies and MUST BE SIGNED

PLEASE PRINT NAME

Signature of beneficial owner(s)

Date (MM/DD/YYYY)

☐ Interim Financial Statements – Mark this box if you would like to receive Interim Financial Statements and Management Discussion and Analysis.

☐ Annual Financial Statements – Mark this box if you would like to receive Annual Financial Statements and Management Discussion and Analysis.

If you are casting your vote online and wish to receive financial statements, please complete the online request for financial statements following your voting instructions. If the cut-off time has passed, please fax this side to 416-595-9593.

☐ Check this box if you wish to receive the selected financial statements electronically (optional on the Issuer providing via email)

EMAIL

By providing my email address, I hereby acknowledge and consent to all provisions outlined in the following: https://www.tsxtrust.com/consent-to-electronic-delivery?lang=en