Cementos Argos S A : Virtual Assembly instructions

Extraordinary non-presential Meeting

of Shareholders Cementos Argos S.A. instructions

June 22, 2023

Below are the instructions (the "Instructions") for participating in the Extraordinary non-presential Meeting of Shareholders ("Assembly") of Cementos Argos S.A. (the "Company") that will take place on June 22, 2023, at 11:00 a.m.

1. General matters

a. Meeting modality.

The extraordinary meeting of the Assembly of the Company will be held in a remote manner in accordance with the provisions of article 19 of Law 222 of 1995 and Decree 398 of 2020.

We invite the shareholders so that on the day of the meeting they take the measures to guarantee a proper functioning of their internet connection and the necessary means to participate in the meeting. For a better functioning of the voting process, we suggest connecting through a computer, avoiding the use of mobile devices for this purpose.

b. Registration process required to participate in the meeting.

To access the virtual room, verify your identity, make interventions through chat, and exercise the right to vote, the shareholders must carry out a registration process, whose instructions are found in Chapter II of this document.

c. Deadline for registration

Registration will be enabled as of June 10, 2023, at 8:00 a.m., Colombia time, day in which the summon to the Assembly has been published, until Wednesday, June 21, 2023, at 1:00 p.m., Colombian time.

d. Procedure to access the meeting

For this purpose, the ENTRY to a virtual room will be enabled through a link that will be available in our website https://ir.argos.co/en/corporate-governance/shareholders-meeting/

e. Individuals authorized to participate in the meeting

Access to the virtual shareholder room will only be given to shareholders, their attorneys-in-fact or legal representatives and administration personnel necessary for the development of the meeting.

f. meeting recording

Pursuant to the provisions of Article 19 of Law 222 of 1995, the meeting will be recorded. For this purpose, shareholders will authorize the processing of their personal data at the time of your registration (the system will provide the option to grant the authorization). Additionally, as it is a newsworthy event, the Company may capture directly or through third parties, images and videos that could be disclosed through any means.

g. Interventions

Shareholders and proxies may participate and interact in the meeting through instantaneous messaging, simultaneous and/or successive writing through the "chat" of the virtual room.

h. The meeting agenda

In attention to the parameterization of the virtual meeting, it will not be possible to submit for consideration of the Shareholders Meeting any point that had not been included in the agenda published in the call notice.

i. Power of attorney

Shareholders who cannot connect to the meeting may be represented by proxy granted in compliance with current legal provisions, whose legal requirements will be verified and in no case may administrators or employees of Cementos Argos S.A. may act as proxy. Power of attorney template is available to shareholders on the website https://ir.argos.co/en/corporate-governance/shareholders-meeting/

j. Identity verification of the shareholders

The identity of the attendees will be verified as follows:

• By validating the data provided by the shareholders in the Registration Form, the information contained in the shareholder registry book and the documents sent in the case of proxies or legal representatives.
• Through the validation of the identity of the shareholders, their attorneys-in- fact or legal representatives when entering the virtual room by entering the access code, personal and non-transferable, which will be provided at the time of admission in accordance with the Annex to the These instructions are available on our website ("Annex").

k. Verification of the quorum.

The quorum will be verified during the meeting, based on the information that the virtual room provides in real time on the number of shares represented in the initiation, development, and completion of the meeting.

l. Technical assistance

In the event that shareholders need to make any query regarding the operation of the virtual mechanism or require technical support for registration or to access the virtual room of the Assembly, they may do it through the technical assistance chat available in the access link to the virtual room or they can communicate from Monday to Friday from 8:00 a.m. to 5:00 p.m. to 6:00 p.m. to the free line shareholder service 01 8000 111901, to the local line (601) 3077127 in Bogotá, to the mail email servicioalcliente@deceval.com.co.

m. Schedule for entering the Assembly

Shareholders will be able to access the Assembly from 10:30 a.m. on June 22, 2023.

1. Registration

The shareholders of the Company interested in participating in the Assembly must make a registration previous to the meeting, according to the instructions that are set out below.

a. How to do it?

Shareholders must fill out the form available on the Company's website https://ir.argos.co/en/corporate-governance/shareholders-meeting/("Registration Form").

The Registration Form lists the requirements and annexes required according to each case, which must be sent along with the completed and signed Registration Form to the mail ir@argos.com.co

Within three (3) business days after sending the information, the Company will notify the shareholder email, if the registration was successful or if any inconsistency was observed in the information provided, so that they can correct it.

The deadline to correct the identified inconsistencies will be on June 21, 2023, at 1:00 p.m., Colombia time. Sending the information to the email ir@argos.com.co.

b. What is the deadline for the registration?

Registration will be enabled from June 10, 2023, at 8:00 a.m. Colombia time, day of the publication of the meeting, until Wednesday, June 21, 2023, at 1:00 p.m., Colombia time.

1. Access to the virtual room

On the day of the Assembly, attendees must enter the virtual room through the

link available at the websitehttps://ir.argos.co/en/corporate-governance/shareholders-meeting/,either through computer or mobile device, through which shareholders can follow the Assembly, intervene, and exercise their right to vote.

To enter the virtual room, you must follow the instructions set forth in the Annex.

Once they have entered the virtual room, the shareholder, or his legal representative or proxy, may find 4 sections on your screen: 1. the live broadcast of the Assembly, 2. the voting dashboard, 3. a button to access the exclusive technical support chat, 4. a button to access the chat exclusive to WhatsApp through which shareholders can, in real time, make interventions, questions and comments on the matters of the Assembly, chat that will be enabled only during the same day of the Assembly.

IV. Voting process

For the voting process, the instructions set in the Annex must be followed.

NOTE: The Company may update these instructions if it deems it necessary in order to provide greater clarity to the shareholders.