The meeting will be online as per the provisions of Article 19 of Law 222 of 1995 and Decree 398 of 2020 of the Ministry of Commerce, Industry and Tourism, through a virtual room available on the website www.isa.co, with an access for shareholders and management personnel and another access for the general public.

Shareholders attending the meeting must complete a registration process to access the virtual room, verifying their identity, to be able to participate in the meeting and exercise their right to vote. The registration process will be available from Wednesday, October 13 through Thursday, October 21, 2021 at 6:00 p.m. Colombia time, on the website www.isa.co, Extraordinary General Shareholders’ Meeting section.

Likewise, as of Monday, October 11, 2021, the terms and instructions for registration, access to the Meeting, the methodology for asking questions during the meeting, and the dynamics for exercising the right to vote will be available on the website www.isa.co, Extraordinary General Shareholders’ Meeting section.

Pursuant to Article 19 of Law 222 of 1995, the meeting will be recorded. To this end, shareholders must grant authorization to process their personal data at the time of registration.

Shareholders who are unable to attend may be represented by a written proxy, which must comply with the requirements set forth in Article 184 of the Code of Commerce. The proxy models are available on the website www.isa.co, Extraordinary General Shareholders’ Meeting section, and shall be sent, together with the other required documents, via the registration form.

It should be noted that, pursuant to Article 185 of the Code of Commerce, except in cases of legal representation, ISA’s directors and employees may not represent shares other than their own.

The appointed legal representative, his team, and Fiduciaria Bancolombia S.A., as administrator of the ISA´s shareholder service office and in charge of supporting the registration of the meeting, shall verify:

• The identity of the attendees by validating the data provided by the shareholders in the registry, information contained in the shareholders’ registry book, and documents sent in the case of attorneys-in-fact or legal representatives. Shareholders’ identity upon entering the virtual platform will be verified by entering the access code provided to them.

• Compliance with the legal requirements in relation to the proxies granted by the shareholders, by reviewing compliance with the provisions of Article 184 of the Code of Commerce and by reviewing the identity documents of the grantors.

ISA’s legal representative shall verify the continuity of the quorum during the meeting, based on real-time information provided by the platform on the number of shares represented at the beginning, development, and closing of the meeting.

Shareholders and attorneys-in-fact may send their questions to the following e-mail address: accionesisa@isa.com.co.

The information and documents related to the items on the agenda will be published at www.isa.co, Extraordinary General Shareholders’ Meeting section.

BERNARDO VARGAS GIBSONE

CEO

INTERCONEXIÓN ELÉCTRICA S.A. E.S.P.