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

The Board of Directors of ISA approved the modification of the regulations of operation and name of two of its Committees (see annex).

ISA informs the registration before the Medellin Chamber of Commerce of Public Deed 1400 of May 3, 2022 from the Fifth Notary Office of Medellin, through which the Bylaws Reform

In the Extraordinary Shareholders’ Meeting on May 17, the election of the Board of Directors for the remaining statutory period was presented, on the occasion of the appointment of Carolina

ISA informs you of the Notarization of the Bylaws Reform approved by the  Ordinary General Shareholders’ Meeting through Public Deed 1400 of May 3, 2022 from the Fifth Notary Office

The Chairman of the Board of Directors of ISA sends a communication to the Financial Superintendence informing about the call and compliance with External Circular Letter 24 of 2010, in

ISA informs the market of the content of the proposal for the election of the Board of Directors that will be presented and approved at the Extraordinary General Assembly of

ISA results. First Quarter 2022 (See annex)

On April 13, 2022, Fitch Ratings affirmed ISA’s Long-Term Ratings in local and foreign currency at BBB and reaffirmed the BBB rating on ISA’s USD 330 million senior unsecured debt

On May 1, 2022, through the national newspaper, local newspaper and corporate website, the Interim CEO of ISA calls the non-presential Extraordinary General Shareholders’ Meeting to be held on Tuesday

At the meeting of the Ordinary General Assembly of Shareholders of ISA held on March 25, 2022, the Fees of the Board of Directors for the period April 2022 –

In a meeting of the Ordinary General Assembly of Shareholders of ISA held on March 25, 2022, the Remuneration Policy of the Board of Directors was approved.

In a meeting of the Ordinary General Assembly of Shareholders of ISA held on March 25, 2022, the Succession Policy of the Board of Directors was approved.

In a meeting of the Ordinary General Assembly of Shareholders of ISA held on March 25, 2022, the election of the Board of Directors for the period April 2022 March

In a meeting of the Ordinary General Assembly of Shareholders of ISA held on March 25, 2022, the election of Statutory Auditor and assignment of fees were approved.

At the meeting of the Ordinary General Assembly of Shareholders of ISA held on March 25, 2022, the Bylaws reform was approved.

In a meeting of the Ordinary General Assembly of Shareholders of ISA held on March 25, 2022, the Project for the distribution of profits for the year 2021 was approved

ISA informs the market of the content of the proposal for the election of the Board of Directors that will be presented and approved at the Ordinary Shareholders’ Meeting to