1 EXHIBIT 4.3 NEOGENE TECHNOLOGIES, INC. REGISTRATION RIGHTS AGREEMENT SEPTEMBER 21, 2000 2 TABLE OF CONTENTSRegistration Rights Agreement • November 13th, 2000 • Neotherapeutics Inc • Services-commercial physical & biological research • New York
NEOTHERAPEUTICS, INC. 5% SUBORDINATED CONVERTIBLE DEBENTURE DUE [ ](1)Neotherapeutics Inc • November 13th, 2000 • Services-commercial physical & biological research
2- 3 (b) Except as otherwise set forth in this Warrant, this Warrant shall vest and become exercisable on a Vesting Date with respect to the number of Warrant Shares calculated in accordance with the following formula:Neotherapeutics Inc • November 13th, 2000 • Services-commercial physical & biological research • New York
1 EXHIBIT 4.4 NEOTHERAPEUTICS, INC. REGISTRATION RIGHTS AGREEMENT This Registration Rights Agreement (this "Agreement") is made and entered into as of September 21, 2000, among NeoTherapeutics, Inc., a Delaware corporation (the "Company"), and each of...Registration Rights Agreement • November 13th, 2000 • Neotherapeutics Inc • Services-commercial physical & biological research • New York
ARTICLE II REPRESENTATIONS AND WARRANTIESSecurities Purchase Agreement • November 13th, 2000 • Neotherapeutics Inc • Services-commercial physical & biological research • New York
2- 3 (b) Except as otherwise set forth in this Warrant, this Warrant shall vest and become exercisable on a Vesting Date with respect to the number of Warrant Shares calculated in accordance with the following formula:Neotherapeutics Inc • November 13th, 2000 • Services-commercial physical & biological research • New York
1 EXHIBIT 4.1 SECURITIES PURCHASE AGREEMENT SEPTEMBER 21, 2000 2 TABLE OF CONTENTSSecurities Purchase Agreement • November 13th, 2000 • Neotherapeutics Inc • Services-commercial physical & biological research • New York
