Common Contracts

Confidential Materials omitted and filed separately with the Securities and Exchange Commission. Asterisks denote omissions. Amendment No. 1 To The Exclusive License Agreement

Exclusive License Agreement • July 5th, 2012 • OvaScience, Inc. • In vitro & in vivo diagnostic substances • Massachusetts

• Contract Type
  Exclusive License Agreement
• Filed
  July 5th, 2012
• Company
  OvaScience, Inc.
• Industry
  In vitro & in vivo diagnostic substances
• Jurisdiction
  Massachusetts

This Amendment No. 1 (this “Amendment”) to the Exclusive License Agreement between OvaScience, Inc. (“Company”) and The General Hospital Corporation, (“Hospital”) dated June 27, 2011 (the “Agreement”), is effective as of September 7, 2011. Capitalized terms used but not defined in this Amendment shall, unless the context otherwise requires, have the meanings specified in the Agreement.

Confidential Materials omitted and filed separately with the Securities and Exchange Commission. Asterisks denote omissions. Amendment No. 1 To The Exclusive License Agreement

Exclusive License Agreement • April 11th, 2012 • OvaScience, Inc. • Massachusetts

• Contract Type
  Exclusive License Agreement
• Filed
  April 11th, 2012
• Company
  OvaScience, Inc.
• Jurisdiction
  Massachusetts

This Amendment No. 1 (this “Amendment”) to the Exclusive License Agreement between OvaScience, Inc. (“Company”) and The General Hospital Corporation, (“Hospital”) dated June 27, 2011 (the “Agreement”), is effective as of September 7, 2011. Capitalized terms used but not defined in this Amendment shall, unless the context otherwise requires, have the meanings specified in the Agreement.