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 Medellín, Antioquia, Colombia
(the "Meeting")

Mineros

Proxy Voting – Guidelines and Conditions

1. THIS PROXY IS SOLICITED BY OR ON BEHALF OF THE MANAGEMENT OF THE COMPANY.
2. THIS PROXY SHOULD BE READ IN CONJUNCTION WITH THE MEETING MATERIALS PRIOR TO VOTING.
3. If you appoint the Management Nominees indicated on the reverse to vote on your behalf, they must also vote in accordance with your instructions or, if no instructions are given, in accordance with the Voting Recommendations 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.
4. This proxy confers discretionary authority on the person named to vote in their discretion with respect to amendments or variations to the matters identified in the Notice of the Meeting accompanying the proxy or such other matters which may properly come before the Meeting or any adjournment or postponement thereof.
5. The securityholder has a right to appoint a person or company to represent the securityholder at the Meeting other than the person or company designated in the form of proxy. Such right may be exercised by inserting, on the reverse of this form, in the space labeled "Please print appointee name", the name of the person to be appointed, who need not be a securityholder of the Company.
6. To be valid, this proxy must be signed. Please date the proxy. If the proxy is not dated, it is deemed to bear the date of its mailing to the securityholders of the Company.
7. To be valid, this proxy must be filed using one of the Voting Methods and must be received by TSX Trust Company before the Filing Deadline for Proxy, noted on the reverse 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. Late proxies may be accepted or rejected by the Chair of the Meeting in their discretion, and the Chair is under no obligation to accept or reject any particular late proxy.
8. If the holder is a corporation, the proxy must be executed by an officer or attorney thereof duly authorized, and the holder may be required to provide documentation evidencing the signatory's power to sign the proxy.
9. Guidelines for proper execution of the proxy are available at www.stac.ca. Please refer to the Proxy Protocol.

Electronic Delivery If you are a registered securityholder and wish to enroll for electronic delivery for future issuer communications including meeting related materials, financial statements, DRS, etc., where applicable, you may do so: 1) After you vote online at www.voteproxyonline.com using your control number. 2) Through TSX Trust's online portal, Investor Insite. You may log in or enroll at https://www.tsxtrust.com/investor-login
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
Investor inSite TSX Trust Company offers at no cost to holders, the convenience of secure 24-hour access to all data relating to their account including summary of holdings, transaction history, and links to valuable holder forms and Frequently Asked Questions. To register, please visit: https://www.tsxtrust.com/t/investor-hub/forms/investor-insite-registration and complete the registration form
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

FORM OF PROXY ("PROXY")
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 proxy revokes and supersedes all earlier dated proxies and MUST BE SIGNED

PLEASE PRINT NAME

Signature of registered 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