EXHIBIT 4.4 THIS WARRANT AND THE SHARES ISSUABLE UPON THE EXERCISE OF THIS WARRANT HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED. EXCEPT AS OTHERWISE SET FORTH HEREIN OR IN A SECURITIES PURCHASE AGREEMENT DATED AS OF DECEMBER...Avitar Inc /De/ • December 15th, 2006 • Orthopedic, prosthetic & surgical appliances & supplies • New York
EXHIBIT 4.2 REGISTRATION RIGHTS AGREEMENT REGISTRATION RIGHTS AGREEMENT (this "Agreement"), dated as of December 11, 2006, by and among Avitar Inc., a Delaware corporation with its headquarters located at 65 Dan Road, Canton, MA 02021 (the "Company"),...Registration Rights Agreement • December 15th, 2006 • Avitar Inc /De/ • Orthopedic, prosthetic & surgical appliances & supplies • New York
EXHIBIT 4.1 SECURITIES PURCHASE AGREEMENT SECURITIES PURCHASE AGREEMENT (this "Agreement"), dated as of December 11, 2006, by and among Avitar Inc., a Delaware corporation, with headquarters located at 65 Dan Road, Canton, MA 02021 (the "Company"),...Securities Purchase Agreement • December 15th, 2006 • Avitar Inc /De/ • Orthopedic, prosthetic & surgical appliances & supplies • New York
