Exhibit 99.1

October 12, 2017

Buenos Aires

To: Comisión Nacional de Valores (Argentine National Securities Commission)

Re.: Grupo Financiero Galicia S.A. - Notice of payment corresponding to the Class VI, Series II Notes.

To whom it may concern,

We hereby inform you that Grupo Financiero Galicia S.A. shall proceed to make the twelfth payment and full repayment of the principal amount corresponding to the Class VI, Series II Notes issued under the Global Program for the issuance of short-, mid- and/or long term notes for a maximum outstanding face value of up to US$100,000,000, or the equivalent thereof in other currencies, under the following terms and conditions:

Domicile of Payment: 25 de Mayo Street, Buenos Aires, Argentina.

Paying Agent: Caja de Valores S.A.

Initial Payment Date: October 23, 2017.

Item: Payment of interest corresponding to the period that started on July 23, 2017 and that will end on October 27, 2017 as well as payment of the principal amount outstanding corresponding to Class VI, Series II Notes.

Applicable Interest Rate: The Class VII Notes accrue interest at a variable rate equal to BADLAR (20.918945%) + 4.25%.

Percentage of Interests and Amount Payable for the Period: The applicable interest rate for the period described above is 6.34% and the amount of interest payable is Ps. 6,968,505.71. The principal amount payable is Ps. 109,844,845.

ISIN N°: ARGFGA560021

Capitalized terms used herein but not defined herein shall have the meanings ascribed to them in the Pricing Supplement dated October 14, 2014.

Yours faithfully,

Grupo Financiero Galicia S.A.

A. Enrique Pedemonte

Attorney in fact

This document constitutes an unofficial translation into English of the original document in Spanish, which

document shall govern in all respects, including with respect to any matters of interpretation.