On October 28, 2013, and prior authorization of its Board of Directors in meeting No. 739, Interconexión Eléctrica S.A. E.S.P., disbursed a foreign loan for

Through a subsidiary in Brazil, and as part of its expansion strategy, in order to complement its value offer and expand its customer portfolio, INTERNEXA

The Financial Superintendence of Colombia authorized to make public notices for convening the Assembly of Bondholders

Notice for First Call to Assembly of Bondholders

ISA informs that Mr. Carlos Alberto Rodríguez López, will assume the position as Vicepresident of Corporate Finance, starting on December 9, 2013.

First Call Assembly of Bondholders

Notice for Second Call to Assembly of Bondholders

ISA informs that the Assembly of Bondholders was held today, with a quorum of fiftynine point fifty percent (59.50%), with the assistance of Fiduciaria Corficolombiana

The Board of Directors of Interconexión Eléctrica S.A. E.S.P., in meeting held on December 20, 2013 agreed to appoint

On November 28, 2013, the Energy and Gas Regulatory Commission -CREG- issued resolution 177 whereby it approves the basis for assets and the parameters required

The company will pay over COP 47,000 million this time

Shareholder Representation

The priority of this work will be to ensure the strengthening of electricity infrastructure during the 2014 World Cup.

Given the information disclosed in the media regarding the State Attorney General Office having found inconsistencies in the inter-administrative contract for developing Autopistas de la

ISA announces fourth quarter results 2011