0001193125-15-089238 Sample Contracts

DICERNA PHARMACEUTICALS, INC. 2,500,000 SHARES COMMON STOCK SALES AGREEMENT

Sales Agreement • March 12th, 2015 • Dicerna Pharmaceuticals Inc • Pharmaceutical preparations • New York

• Contract Type
  Sales Agreement
• Filed
  March 12th, 2015
• Company
  Dicerna Pharmaceuticals Inc
• Industry
  Pharmaceutical preparations
• Jurisdiction
  New York

Dicerna Pharmaceuticals, Inc., a Delaware corporation (the “Company”), confirms its agreement (this “Agreement”) with Cowen and Company, LLC (“Cowen”), as follows:

AMENDED AND RESTATED REGISTRATION RIGHTS AGREEMENT

Registration Rights Agreement • March 12th, 2015 • Dicerna Pharmaceuticals Inc • Pharmaceutical preparations • Delaware

• Contract Type
  Registration Rights Agreement
• Filed
  March 12th, 2015
• Company
  Dicerna Pharmaceuticals Inc
• Industry
  Pharmaceutical preparations
• Jurisdiction
  Delaware

This AMENDED AND RESTATED REGISTRATION RIGHTS AGREEMENT (the “Agreement”) is dated as of July 30, 2013, by and among Dicerna Pharmaceuticals, Inc., a Delaware corporation (the “Company”), and the persons identified on the signature pages hereto (the “Investors”).