0001208646-11-000159 Sample Contracts

YPF SOCIEDAD ANÓNIMA 26,215,000 Class D Shares in the form of American Depositary Shares UNDERWRITING AGREEMENT

Underwriting Agreement • March 28th, 2011 • Ypf Sociedad Anonima • Petroleum refining • New York

• Contract Type
  Underwriting Agreement
• Filed
  March 28th, 2011
• Company
  Ypf Sociedad Anonima
• Industry
  Petroleum refining
• Jurisdiction
  New York

any obligations into or exchange any securities for, shares of capital stock of or ownership interests in the Company are outstanding.