In order to get your tax certificate, you have the following alternatives:

caa@bancolombia.com.co

1. You can generate it using the “TAX CERTIFICATE” option from the “INVESTOR SERVICES” section at Cementos Argos´s Investor Relations website, where you will be required to enter your ID number and your DECEVAL account number. For this functionality please follow this link.
2. You may contact Fiduciaria Bancolombia´s Shareholder' Service Center at any of the following telephone numbers or email:

Medellín:(+57) (574) 444 7231

Bogotá:(+57) (571) 742 1576

Rest of the country:(+57) 01 8000 954 242

In order to purchase our shares (ordinary or preferential) you can follow two options:

To review the information related to the entities of this kind in Colombia you can visit the website of the Superintendency of Finance of Colombia in the following link.

On this site look for the option "Download the file in Excel" and find those entities on pages 20 and 21 of the list, in the "Nombre Delegatura Competente" column under the name: "Delegatura para Intermediarios de Valores y Otros Agentes".

With this information you can contact the institution of your choice and get all the commercial advice to acquire our shares.

Michael Vexler

Relationship Manager - BNY Mellon - Depositary Receipts

Tel. +1 212 815 2838

michael.vexler@bnymellon.com

1. In Colombia, in the secondary market through registered stock brokers authorized by the Superintendency of Finance of Colombia ("Superintendencia Financiera de Colombia"); no direct purchase is handled through Cementos Argos. Under the trading guidelines of the secondary market there is no specific minimum amount of shares that has to be purchased, and the management of purchases and sales will depend on the conditions defined by each stock broker. To review the information related to the entities of this kind in Colombia you can visit the website of the Superintendency of Finance of Colombia in the following
2. Internationally, through our program of ADRs (American Depositary Receipts) we conduct through Bank of New York Mellon, for which he shared the following contact information:

There are three options for the payment of dividends:

Deposit in bank account: It is requested through written communication addressed to the Manager of Securities of Fiduciaria Bancolombia, informing the banking institution, account holder, number and type of account. If the account holder is different from the shareholder, the authorization must be signed by the two of them and notarized. Cash or check: The shareholder should inform in which Bancolombia office he/she wishes the payment to be made.

1. For these options you can contact Fiduciaria Bancolombia´s Shareholder' Service Center ("Centro de Atención al Accionista de Fiduciaria Bancolombia") at any of the following telephone numbers or email:
2. Medellín: (574) 444 7231 Bogotá: (571) 742 1576 Resto del país: 01 8000 954 242 - caa@bancolombia.com.co

Payment through your security brokerage firm: The firm must inform the account to which payment should be made and send the securities management contract signed by the shareholder, a copy of the shareholder’s official identification document and a copy of the security or deposit certification.

Cementos Argos is a multi-domestic organization that produces and markets cement, ready-mix concrete and aggregates with operations in countries like Colombia, Panama, United States, among others. Grupo Argos is an investment holding company with participation in sectors like infrastructure, energy, among others. Grupo Argos is currently the major shareholder of Cementos Argos with a stake of about 61%.

In the Shareholders’ Meeting of March 24, 2017, a payment of non-taxed dividends of COP 218 per year and per common share was declared, which will be considered as income not subject to income tax or occasional profit taxes and which will be paid in cash in four quarterly installments of COP 54 per common share. The payment date for the April 2017 installment is between the 15th and the 25th of the month. The installments of July and October 2017 are between the 5th and the 14th of the correspondent month and the installment of January 2018 will be paid between the 9th and the 20th of the month.

Additionally, a payment of non-taxed dividends of COP 218 per year and per preferred share was declared, which will be considered as income not subject to income tax or occasional profit taxes and which will be paid in cash in four quarterly installments of COP 54 per preferred share. The payment date for the April 2017 installment is between the 15th and the 25th of the month. The installments of July and October 2017 are between the 5th and the 14th of the correspondent month and the installment of January 2018 will be paid between the 9th and the 20th of the month.

Additionally, an annual non-taxed extraordinary dividend of COP 22 per ordinary share and preferred share was approved, which will be considered as income not subject to income or occasional profit tax. The dividend will be paid in cash in one installment in November 2017, between the 15th and the 25th of the month.

For more information you call follow this link.