Common Contracts

Confidential Materials omitted and filed separately with the Securities and Exchange Commission. Asterisks denote omissions. LICENSE AGREEMENT Between Hermes Biosciences, Inc. And PharmaEngine, Inc. Dated As of September 26, 2005

License Agreement • October 26th, 2011 • Merrimack Pharmaceuticals Inc • Pharmaceutical preparations • California

• Contract Type
  License Agreement
• Filed
  October 26th, 2011
• Company
  Merrimack Pharmaceuticals Inc
• Industry
  Pharmaceutical preparations
• Jurisdiction
  California

GENERAL. As used in this Agreement, unless context dictates otherwise, the following terms shall have the meanings set forth in this Article 1 and words denoting the singular shall include the plural and vice versa.

Confidential Materials omitted and filed separately with the Securities and Exchange Commission. Asterisks denote omissions. LICENSE AGREEMENT Between Hermes Biosciences, Inc. And PharmaEngine, Inc. Dated As of September 26, 2005

License Agreement • July 8th, 2011 • Merrimack Pharmaceuticals Inc • California

• Contract Type
  License Agreement
• Filed
  July 8th, 2011
• Company
  Merrimack Pharmaceuticals Inc
• Jurisdiction
  California

GENERAL. As used in this Agreement, unless context dictates otherwise, the following terms shall have the meanings set forth in this Article 1 and words denoting the singular shall include the plural and vice versa.