Today, ISA issued bonds on the local market for $400,000 million

Changes in the Vice-Presidency of Corporate Finance

Attached is the Public Offering Notice for the Sixteenth Tranche of Bonds under the Issuance Program.

Changes in ISA’s senior management.

ISA is awarded its first urban highway in Chile.

Signing and closing of the sale of 100% of the shares of Transamerican Telecommunication S.A. to Inversiones y Servicios Intexa S.A. and Silica Networks Argentina S.A.

The Ministry of Finance and Public Credit (Resolution 1453, May 2024) authorizes the extension of the placement period for the securities.

Circular Report 012, 1Q24

Changes in ISA’s senior management.