0001193125-06-131304 Sample Contracts

NANOPOLARIS, INC. SERIES A PREFERRED STOCK PURCHASE AGREEMENT June 13, 2006

Series a Preferred Stock Purchase Agreement • June 16th, 2006 • Arrowhead Research Corp • Services-commercial physical & biological research • California

• Contract Type
  Series a Preferred Stock Purchase Agreement
• Filed
  June 16th, 2006
• Company
  Arrowhead Research Corp
• Industry
  Services-commercial physical & biological research
• Jurisdiction
  California

THIS SERIES A PREFERRED STOCK PURCHASE AGREEMENT (this “Agreement”) is made on the 13th day of June, 2006, among NanoPolaris, Inc., a Delaware corporation (the “Company”), and Arrowhead Research Corporation, a Delaware corporation (“Investor”).

AGREEMENT TO PROVIDE ADDITIONAL CAPITAL

Agreement • June 16th, 2006 • Arrowhead Research Corp • Services-commercial physical & biological research • Delaware

• Contract Type
  Agreement
• Filed
  June 16th, 2006
• Company
  Arrowhead Research Corp
• Industry
  Services-commercial physical & biological research
• Jurisdiction
  Delaware

THIS AGREEMENT TO PROVIDE ADDITIONAL CAPITAL (this “Agreement”) is made and entered into as of June 13, 2006, by and between ARROWHEAD RESEARCH CORPORATION, a Delaware corporation (“Arrowhead”), and NANOPOLARIS, INC., a Delaware corporation (the “Company”).