Transmissora Alianca Energia Eletrica : Notice to the Market - Significant Increase of Interest - 10/24/2017

NOTICE TO THE MARKET

Transmissora Aliança de Energia Elétrica S.A. ('Taesa' ou 'Companhia'), in accordance with the article 12 of Instruction CVM 358/02, as amended, hereby announces to its shareholders, the market in general and other interested parties that, on this date, it received a letter sent by GIC Private Limited ('GIC'), informing that, as of October 19th, 2017, GIC holds 22,483,724 (twenty two million, four hundred eighty three thousand, seven hundred twenty four) Taesa's preferred shares, representing 5.078% of the total preferred shares.

As informed by this letter, GIC states that:

a) it also holds 11,241,862 (eleven million, two hundred forty one thousand, eight hundred sixty two) Taesa's common shares, representing 1.903% of the total common shares;

b) its interest in the Company extends only as far as maintaining a diversified trading portfolio, and thus, it has no interest in altering the composition of the control or administrative structures of Taesa; and

c) it has not entered in any agreement or contract regulating the right to vote or purchase and sell securities issued by Taesa.

For further information, please contact the Company's Investor Relations Department.

To view the full notice, click here.