Date

Messrs.

CONSTRUCTORA CONCONCRETO S.A.

Medellin

Reference: PROXY STATEMENT

______with Colombian I.D. card No. ______issued in ______, acting as the representative of my son/daughter ______, with Colombian I.D. card No. ______, hereby confers a special proxy to ______, with Colombian I.D. card No. ______issued in______, to represent him/her as a shareholder of CONCONCRETO S.A., during the Ordinary Meeting of Shareholders call on March 23, 2018 at 9:00 A.M., on the 5th floor of MAMM Modern Art Museum of Medellín at Carrera 44 Nº 19A-100, in the city of Medellin, which Agenda is as follows:

  1. Quorum verification.
  2. Election of the President and Secretary of the meeting.
  3. Appointment of the Commission to review and approve the Minutes of the Assembly.
  4. Board of Directors’ and CEO’s Management Report.
  5. Corporate Governance Report.
  6. Presentation of the Financial Statements as of December 31, 2017.
  7. The Fiscal Auditor’s Report.
  8. Approval of the Management Report, the Corporate Governance Report and the Financial Statements as of December 31, 2017.
  9. Presentation and approval of the Profit-Sharing Project and the change in the Destination of the Reserves.
  10. Designation of the Fiscal Auditor to complete the period.
  11. Determine the remuneration of the Board of Directors and the Fiscal Auditor.
  12. Management’s proposals:

-Project to reform Point h of Article 48 of the Corporate Bylaws

  1. Proposals from the shareholders.

The proxy is fully authorized to exercise all powers which my representative is entitled to as a shareholder of CONSTRUCTORA CONCONCRETO S.A. and shall keep in mind the following instructions to cast votes:

AGENDA / CONSENT / DISSENT / ABSTENTION
To verify the quorum: To approve the deliberating quorum of the ordinary meeting of the Constructora Conconcreto S. A. General Assembly of Shareholders on March 30, 2017.
Election of the President and Secretary of the meeting: Designate the President and Secretary of the meeting, according to the articles 28 and 49 of the Bylaws.
Appointment of the Commission to review and approve the Minutes of the Assembly: To approve the designation of two (2) shareholders as the Commission to review and approve the Minute of the meeting.
The Board of Directors’ and the CEO’s Management Report: To consider the Management Report presented by the Board of Directors and the CEO, corresponding to 2017 fiscal year.
The Corporate Governance Report: To consider the Corporate Governance Report presented by the Company corresponding to the 2017 fiscal year.
Presentation of the Financial Statements as of December 31, 2016: consider the Financial Statements as of December 31, 2017.
The Fiscal Auditor’s Report: Consider the Fiscal Auditor’s reports.
Approval of the Management Report, the Corporate Governance Report, Presentation of the Financial Statements as of December 31, 2016: To approve the Management Report, the Corporate Governance Report and the Financial Statements as of December 31, 2017.
Presentation and approval of the Project to Distribute Profits and the change in the Destination of Reserves:
-Approve the profit-sharing project.
-Approve the change in the destination of reserves.
Designation of Fiscal Auditor to complete the period: Approve the designation of the Fiscal Auditor’s firm to complete the period, ending on March 2019.
Determine the remuneration of the Board of Directors and the Fiscal Auditor: To approve the remuneration of the Board of Directors and the Fiscal Auditor for the period between April 2018 and March 2019.
Propositions by the Administration:
-Project to reform Point h of Article 48 of the Corporate Bylaws: approve the reform of Point h of Article 48 of the Corporate Bylaws.
Proposals from the shareholders: To consider the proposals from the shareholders.

Sincerely,

______

Legal Representative

______

I Accept:

______

I.D. No. ______issued in______

Note: This proxy does not require authentication before a notary. Please fill out legibly.
A copy of the Certificate of Existence and Legal Representation of the corporation providing the proxy must be presented. This document must be issued by the Chamber of Commerce within a period of three (3) months before the date of the general meeting.