Exhibit 4.4 WARRANT AGREEMENT Agreement made as of ___________, 2005 between HEALTHCARE ACQUISITION CORP., a Delaware corporation, with offices at 2116 Financial Center, 666 Walnut Street, Des Moines, Iowa 50309 (the "COMPANY"), and CONTINENTAL STOCK...Warrant Agreement • July 12th, 2005 • Healthcare Acquisition Corp • Blank checks • New York
Exhibit 1.1 HEALTHCARE ACQUISITION CORP. UNDERWRITING AGREEMENTUnderwriting Agreement • July 12th, 2005 • Healthcare Acquisition Corp • Blank checks • New York
Delivery and Payment: Delivery of the Units shall be made on or about ___________, 2005 or such later date as Maxim may advise on not less than one day's notice to the Selected Dealer, at Maxim's principal office located at 405 Lexington Avenue, 2nd...Selected Dealer Agreement • July 12th, 2005 • Healthcare Acquisition Corp • Blank checks • New York
Exhibit 10.2 INVESTMENT MANAGEMENT TRUST AGREEMENT This Agreement is made as of ___________, 2005 by and between HEALTHCARE ACQUISITION CORP. (the "COMPANY") and CONTINENTAL STOCK TRANSFER & TRUST COMPANY (the "TRUSTEE"). WHEREAS, the Company's...Investment Management Trust Agreement • July 12th, 2005 • Healthcare Acquisition Corp • Blank checks • New York
Exhibit 10.3 STOCK ESCROW AGREEMENT STOCK ESCROW AGREEMENT, dated as of __________, 2005 (the "AGREEMENT"), by and among HEALTHCARE ACQUISITION CORP., a Delaware corporation (the "COMPANY"), JOHN PAPPAJOHN, DERACE L. SCHAFFER, M.D., MATTHEW P.KINLEY,...Stock Escrow Agreement • July 12th, 2005 • Healthcare Acquisition Corp • Blank checks • New York
400,000 UNITS OFPurchase Option Agreement • July 12th, 2005 • Healthcare Acquisition Corp • Blank checks • New York
