Lock-Up Release & Registration Rights Waiver Sample Contracts

April 9, 2013

Lock-Up Release & Registration Rights Waiver • April 10th, 2013 • Infinity Pharmaceuticals, Inc. • Pharmaceutical preparations • New York

• Contract Type
  Lock-Up Release & Registration Rights Waiver
• Filed
  April 10th, 2013
• Company
  Infinity Pharmaceuticals, Inc.
• Industry
  Pharmaceutical preparations
• Jurisdiction
  New York

This letter agreement (this “Agreement”) confirms the agreement among Infinity Pharmaceuticals, Inc., a Delaware corporation (the “Company”), Purdue Pharma L.P. (“Purdue”), Beacon Company (“Beacon”) and Rosebay Medical Company L.P. (“Rosebay” and, together with Purdue and Beacon, the “BRP Entities”) regarding certain matters related to the Securities Purchase Agreement dated as of July 17, 2012, among the Company and the BRP Entities (the “Purchase Agreement”), as set forth in greater detail below. Defined terms used herein but not otherwise defined herein shall have the meaning given to them in the Purchase Agreement.