0001193125-08-245199 Sample Contracts

STOCK PURCHASE AGREEMENT BETWEEN ARROWHEAD RESEARCH AND TEGO BIOSCIENCES Dated as of the date indicated on the signature page hereto

Stock Purchase Agreement • November 28th, 2008 • Arrowhead Research Corp • Services-commercial physical & biological research • Delaware

• Contract Type
  Stock Purchase Agreement
• Filed
  November 28th, 2008
• Company
  Arrowhead Research Corp
• Industry
  Services-commercial physical & biological research
• Jurisdiction
  Delaware

THIS STOCK PURCHASE AGREEMENT (“Agreement”) is made as of the date indicated on the later of the dates indicated on the signature pages hereto, by and between Arrowhead Research Corporation (the “Seller”), a Delaware corporation, and Tego Biosciences, Inc. (the “Purchaser”).