Gabriel Melguizo Posada is appointed as ISA’s new Vice President of Energy Transmission.

ISA appoints second alternate to the President and legal representative for Corporate Finance matters.

The Ministry of Finance and Public Credit (resolution 3164 Nov/2022) authorizes ISA to enter into an internal loan contract with Bancolombia SA for up to $600,000 million, to finance the

ISA puts into service an important project on the Caribbean coast at 220 thousand volts.

Financial situations of the issuer

The Ministry of Finance and Public Credit, through Resolution 1936, authorized ISA to enter into an internal public debt management operation with Transelca for $60,797,979,839 they celebrate the debt management

ISA and its companies contributes to the reduction of energy tariffs in Colombia

Chief Corporate Finance Officer of ISA retires from the position.

Further to the publication made on March 25, 2022, we attach the Integrated Management Report containing the financial information duly approved by the General Shareholders’ Meeting.

ISA was awarded an important transmission project in Chile that will be key to the growth of renewable energy generation.

New developments in the Innovation Department

On August 23, 2022, the risk rating agency Moody’s ratified ISA’s Baa2 International Rating with a stable outlook.

Updating of the Corporate Governance Code as established in the 2021 and 2022 Shareholders’ Meeting.

ISA results. Second Quarter 2022

Transmission Projects Awarded in Brazil Neutral on ISA Ratings

ISA wins one of the largest projects auctioned in Brazil in recent years. In total there were two projects awarded to ISA CTEEP, whose reference investment (from the regulator ANEEL)

Vice President of Roads of ISA retires from the position.

Juan Emilio Posada Echeverri was selected by ISA’s Board of Directors as president of the company. See Annex.