Gaffney, Cline & Associates Inc. hereby consents to the incorporation by reference of our third party report dated June 18, 2010 appearing in YPF, S.A.'s Annual Report on Form 20-F for the year ended December 31, 2009 in this Registration Statement on Form F-3 filed with the United States Securities and Exchange Commission February 17, 2011. We further consent to the reference to us under the heading "Experts" in the Prospectus, which is part of this Registration Statement.