On October 11, 2021, BBVA disbursed TRANSELCA, under loan contract No. 042-2021, a long-term loan under the following financial conditions: (see anex)

ISA informs the market of the content of the proposal for the election of the Board of Directors that will be submitted for presentation and approval at the Extraordinary General

On September 23, 2021, the risk rating agency Moody’s ratified ISA’s Baa2 International Rating with a stable outlook after the acquisition by Ecopetrol of 51.4% of the shares that the

Succession process of the president.

New Risk Manager

On July 19, 2021, the risk rating agency Moody’s ratified the ISA Baa2 International Rating with a stable outlook.

The Financial Superintendence of Colombia, through Resolution No.0557 of 2021, renews the validity term of authorization of public offering of securities that are part of the Program on Issuance and

On July 6, 2021, the credit rating agency Fitch Ratings changed ISA’s International Rating to BBB with a stable outlook, going from BBB+ with negative outlook as a consequence of

At the Extraordinary General Shareholders’ Meeting held on June 15, 2021, the election of the Board of Directors for the period June 2021 – March 2022 was approved, on the

ISA completes the Porce Sogamoso transmission line at 500 thousand volts.

ISA sends a communication to the Financial Superintendency of Colombia informing about the call and compliance with External Circular 24 of 2010, in relation to the holding of the next