Date

Messrs.

CONSTRUCTORA CONCONCRETO S.A.

Medellin

Reference: PROXY STATEMENT

______with Colombian I.D. card No. ______issued in ______, acting as the legal representative of ______with Tax I.D. No. ______, hereby confer a special proxy to ______, with Colombian I.D. card No. ______issued in ______, to represent this corporation as a shareholder of CONSTRUCTORA CONCONCRETO S.A. during the Ordinary Meeting of Shareholders call on March 30, 2017 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. Appointment of the Commission to review and approve the Minutes of the Assembly.
  3. Board of Directors’ and CEO’s Management Report.
  4. Corporate Governance Report.
  5. Presentation of the Financial Statements as of December 31, 2016.
  6. The Fiscal Auditor’s Report.
  7. Approval of the Management Report, the Corporate Governance Report and the Financial Statements as of December 31, 2016.
  8. Presentation and approval of the Profit-Sharing Project and the change in the Destination of the Occasional Reserve for Donations.
  9. Determine the remuneration of the Board of Directors and the Fiscal Auditor.
  10. Designation of the Board of Directors for the period between April 2017 and March 2019.
  11. Designation of the Fiscal Auditor for the period between April 2017 and March 2019.
  12. Management’s proposals:

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

-Proposal for responsibility of the managers.

  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
To verify the quorum: To approve the deliberating quorum of the ordinary meeting of the ConstructoraConconcreto S. A. General Assembly of Shareholders on March 30, 2017.
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 Minutes of the ordinary meeting of the ConstructoraConconcreto S. A. General Assembly of Shareholders on March 30, 2017.
The Board of Directors’ and the CEO’s Management Report:To consider the 2016 fiscal year Management Report presented by the Board of Directors and the CEO.
The Corporate Governance Report: To consider the Corporate Governance report presented by the Company corresponding to the 2016 fiscal year.
Presentation of the Financial Statements as of December 31, 2016: consider the Financial Statements as of December 31, 2016.
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 Coporate Governance Report, and the Financial Statements as of December 31, 2016
Presentation and approval of the Project to Distribute Profits and the change in the Destination of the Occasional Reserve for Donations:To approve the Project to Distribute Profits, which was considered and approved by the members of the Board of Directors. Additionally, approve the Change in the Destination of the Occasional Reserve for Donations, previously approved.
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 2017 and March 2018.
Designation of the Board of Directors for the period between April 2017 and March 2019: Approve the designation of the members of the Board of Directors for the period between April 2017 and March 2019, in accordance with the slates presented by the Shareholders.
Designation of the Fiscal Auditor for the period between April 2017 and March 2019:approve the designation of the Fiscal Auditing firm for the period between April 2017 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.
-Proposition on Administrator Responsibilities:validate the actions of the Company’s Administrators and their responsibility, for the actions made during the 2016 fiscal year.
Proposals from the shareholders: To consider the proposals from the shareholders.

Sincerely,

______

Legal Representative

______

I Accept:

______

Colombian I.D. Card 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.