Agreement To Provide Additional Capital Sample Contracts

Agreement to Provide Additional Capital (June 16th, 2006)

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).

Agreement to Provide Additional Capital (April 6th, 2006)

THIS AGREEMENT TO PROVIDE ADDITIONAL CAPITAL (this Agreement) is made and entered into as of March 31, 2006, by and between ARROWHEAD RESEARCH CORPORATION, a Delaware corporation (Arrowhead), and CALANDO PHARMACEUTICALS INC., a Delaware corporation (the Company).

Amendment No. 1 to Agreement to Provide Additional Capital (March 11th, 2005)

This Amendment No. 1 to Agreement to Provide Additional Capital (this Amendment) is entered into this 9th day of March, 2005, by and between Arrowhead Research Corporation, a Delaware corporation (Arrowhead) and Nanotechnica, Inc., a California corporation (the Company).

Agreement to Provide Additional Capital (March 1st, 2005)

THIS AGREEMENT TO PROVIDE ADDITIONAL CAPITAL (this Agreement) is made and entered into as of February 22, 2005, by and between ARROWHEAD RESEARCH CORPORATION, a Delaware corporation (Arrowhead), and CALANDO PHARMACEUTICALS INC., a Delaware corporation (the Company).

Agreement to Provide Additional Capital (December 16th, 2004)

THIS AGREEMENT TO PROVIDE ADDITIONAL CAPITAL (this Agreement) is made and entered into as of September 10 , 2004, by and between ARROWHEAD RESEARCH CORPORATION, a Delaware corporation (Arrowhead), and NANOTECHNICA, INC., a California corporation (the Company).

Agreement to Provide Additional Capital (August 16th, 2004)

THIS AGREEMENT TO PROVIDE ADDITIONAL CAPITAL (this Agreement) is made and entered into as of April 20, 2004, by and between Arrowhead Research Corporation, a Delaware corporation (Arrowhead), and Aonexx Technologies, Inc., a California corporation (the Company).

AMENDMENT NO. 1 TO AGREEMENT TO PROVIDE ADDITIONAL CAPITAL Dated as of August 11, 2004 (August 16th, 2004)

This AMENDMENT NO. 1 TO AGREEMENT TO PROVIDE ADDITIONAL CAPITAL (this Amendment), amends the Agreement To Provide Additional Capital is made dated as of June 4, 2004, (the Agreement) by and between Arrowhead Research Corporation, a Delaware corporation (Arrowhead), and Insert Therapeutics, Inc., a California corporation (the Company). Capitalized terms not otherwise defined in this Amendment have the meanings ascribed to such terms in the Agreement. In consideration of the mutual covenants and agreements contained herein, the parties hereby agree amend and modify the Agreement as set forth below: