EX-99.1

Exhibit 99.1

LOGO

July 31, 2020

YPF S.A. ANNOUNCES THE EXPIRATION OF ITS EXCHANGE OFFER

FOR ANY AND ALL OF ITS OUTSTANDING US$1,000,000,000 8.500% SENIOR NOTES DUE 2021

FOR IMMEDIATE RELEASE

BUENOS AIRES, ARGENTINA – YPF S.A. (the “Company”) announced today the results as of the Expiration Date (as defined below) with respect to its previously announced exchange offer (the “Exchange Offer”) to exchange any and all of its outstanding US$1,000,000,000 8.500% Senior Notes due 2021 (the “Old Notes”) for the applicable amount of 8.500% Senior Amortizing Notes due 2025 (the “New Notes”) plus cash.

Expiration of the Exchange Offer

The Exchange Offer was made pursuant to the terms and conditions set forth in the exchange offer memorandum, dated July 2, 2020 (together with Supplement No. 1 thereto, dated July 13, 2020, Supplement No. 2 thereto, dated July 17, 2020 and Supplement No. 3 thereto, dated July 29, 2020, the “Exchange Offer Memorandum”) to exchange any and all of the Old Notes listed in the table above for the applicable amount of New Notes plus cash.

The Expiration Date with respect to the Exchange Offer occurred at 11:59 p.m., New York City time, on July 30, 2020 (such time and date, the “Expiration Date”). Holders of Old Notes were required to validly tender and not validly withdraw their Old Notes prior to or at the Expiration Date to be eligible to receive the exchange consideration of US$925 of New Notes and US$125 of cash (the “Exchange Consideration”) per U.S.$1,000 principal amount of the Old Notes validly tendered and accepted for exchange pursuant to the Exchange Offer.

According to information provided by D.F. King & Co., Inc. (“D.F. King”), the exchange agent and information agent for the Exchange Offer, U.S.$587,348,000 total aggregate principal amount of the Old Notes were validly tendered and were not validly withdrawn prior to or at the Expiration Date pursuant to the Exchange Offer, of which U.S.$3,165,000 in aggregate principal amount of Old Notes were validly tendered and not validly withdrawn after the Early Participation Date (as defined in the Exchange Offer Memorandum) and prior to or at the Expiration Date. On July 21, 2020, the Company issued approximately U.S.$540 million aggregate principal amount of New Notes and paid approximately U.S.$90 million in cash (including accrued and unpaid interest on the Old Notes validly tendered and not validly withdrawn prior to or at the Early Participation Date) on the Early Settlement Date (as defined in the Exchange Offer Memorandum).

The settlement date for the Old Notes which were validly tendered and not validly withdrawn after the Early Participation Date and prior to or at the Expiration Date, is expected to be July 31, 2020 (the “Final Settlement Date”). On the terms and subject to the conditions set forth in the Exchange Offer Memorandum, the Company expects to issue an additional amount of approximately U.S.$2.9 million aggregate principal amount of New Notes and pay an additional sum of approximately U.S.$400,000 in cash on the Final Settlement Date pursuant to the Exchange Offer. Holders will also receive accrued and unpaid interest on the Old Notes validly tendered and accepted for exchange from the applicable last interest payment date up to, but not including, the Final Settlement Date.

Information Relating to the Exchange Offer

The complete terms and conditions of the Exchange Offer are described in the Exchange Offer Memorandum, copies of which may be obtained from D.F. King at www.dfking.com/ypf, by telephone at +1 (800) 848-3410 (U.S. toll free) and +1 (212) 269-5550 (collect), in writing at 48 Wall Street, 22nd Floor New York, New York 10005, or by email to ypf@dfking.com.

Citigroup Global Markets Inc., Itau BBA USA Securities, Inc. and Santander Investment Securities Inc. are acting as the dealer managers for the Exchange Offer. Questions regarding the Exchange Offer should be directed to Citigroup Global Markets Inc. by telephone at +1 (800) 558-3745 (U.S. toll free) or +1 (212) 723-6106 (collect), Itau BBA USA Securities, Inc. by telephone at +1 (888) 770-4828 (U.S. toll free) or + 1 (212) 710-6749 (collect) and Santander Investment Securities Inc. by telephone at +1 (855) 404-3636 (U.S. toll free) or +1 (212) 940-1442 (collect).

Important Notice

This announcement is not an offer of securities for sale in the United States, and none of the New Notes (as defined in the Exchange Offer Memorandum) has been or will be registered under the Securities Act and they may not be offered or sold within the United States or to, or for the account or benefit of, U.S. persons except pursuant to an exemption from, or in a transaction not subject to, the registration