1 EXHIBIT 4.4 SECURITIES PURCHASE AGREEMENTSecurities Purchase Agreement • July 14th, 1999 • International Isotopes Inc • In vitro & in vivo diagnostic substances • New York
FORM OF WARRANT THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE "SECURITIES ACT"), AND,...International Isotopes Inc • July 14th, 1999 • In vitro & in vivo diagnostic substances • New York
