ASSIGNMENT AGREEMENT This ASSIGNMENT AGREEMENT (this "Agreement") is made as of August 3, 2007, by and among Riverview Group LLC (the "Assignee") and MPM Bioventures III-QP, L.P., MPM Bioventures III-Parallel Fund, L.P., MPM Bioventures III-GMBH & Co....Assignment Agreement • August 13th, 2007 • Millennium Partners, L.P. • Blank checks • New York
PURCHASE OPTION AGREEMENT This PURCHASE OPTION AGREEMENT (this "AGREEMENT") is made as of August 3, 2007, by and among John Pappajohn ("JP"), Derace L. Schaffer ("DLS"), Matthew P. Kinley (together with his heirs, successors, or assigns, as applicable...Purchase Option Agreement • August 13th, 2007 • Millennium Partners, L.P. • Blank checks • New York
August 2, 2007 Healthcare Acquisition Corporation 2116 Financial Center 666 Walnut Street Des Moines, Iowa 50309 Re: HEALTHCARE ACQUISITION CORP./PHARMATHENE, INC. MERGER Ladies and Gentlemen: This letter agreement (this "Agreement") relates to the...Merger Agreement • August 13th, 2007 • Millennium Partners, L.P. • Blank checks • Iowa
