ISA Group delivers equipment to strengthen the electrical system

SHAREHOLDER REPRESENTATION

ISA Financial Results. First Quarter 2021

Jorge Andrés Carrillo Cardoso resigned from ISA’s Board of Directors

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

Relevant information about the ISA Group’s Telecommunications and ICTs business unit

CORPORATE INNOVATION DIRECTOR

APPROVAL OF THE 2020 INCOME DISTRIBUTION PROJECT TO DECREE DIVIDENDS AND TO CONSTITUTE EQUITY RESERVES