Relevant information about request filed by the ISA Group before the ICSID

ISA’s Board of Directors, on session 842, approved the project for the sale of 100% of the shares held by the company in InterNexa.

Director of Corporate Innovation joins ISA.

ISA’s Board of Directors in session 841 approved the profit distribution project for fiscal year 2020 for dividends and reserves, for final approval at the Assembly.

ISA Financial Results. Fourth Quarter 2020.

Compliance with External Circular 24 of 2010

It is reported that the Board of Directors, in meeting 828 of February 28, 2020, approved the project of distribution of profits for the year 2019 to decree dividends and

ISA Financial Results.Fourth Quarter 2019

Citation of the Ordinary General Shareholders’ Meeting 2020

At the ISA Ordinary General Shareholders Meeting, the following proposals were approved:

Issuer’s legal situations

ISA’s 2019 Reports

Fitch Affirms ISA’s Program Rating at ‘AAA(col)’ and ‘F1+(col)’

Fitch Ratings- Affirms BBB + revises outlook from stable to negative

ISA Financial Results. First Quarter 2020

Creation of the Chief Road Concessions Business Office