Exhibit 13.1

906 CERTIFICATION

The certification set forth below is being submitted in connection with the Annual Report on Form 20-F for the year ended December 31, 2017 (the “report”) for the purpose of complying with Rule 13a-14(b) or Rule 15d-14(b) of the Securities Exchange Act of 1934 (the “Exchange Act”) and Section 1350 of Chapter 63 of Title 18 of the United States Code.

Daniel González, the Chief Executive Officer and, Diego Martín Pando, the Controller (Principal Financial Officer) of YPF S.A., each certifies that, to the best of their knowledge:

1. the report fully complies with the requirements of Section 13(a) or 15(d) of the Exchange Act; and

2. the information contained in the report fairly presents, in all material respects, the financial condition and results of operations of YPF S.A.

Date: April 23, 2018.

/s/ Daniel González

Daniel González

Chief Executive Officer

/s/ Diego Martín Pando

Diego Martín Pando

Controller (Principal Financial Officer)