1 EXHIBIT 4.3 NEOGENE TECHNOLOGIES, INC. REGISTRATION RIGHTS AGREEMENT DECEMBER 18, 2000 NEOGENE TECHNOLOGIES, INC. REGISTRATION RIGHTS AGREEMENT This Registration Rights Agreement (this "Agreement") is made as of December 18, 2000, between NeoGene...Registration Rights Agreement • December 28th, 2000 • Neotherapeutics Inc • Services-commercial physical & biological research • New York
EXHIBIT 4.1 SECURITIES PURCHASE AGREEMENT DECEMBER 18, 2000 TABLE OF CONTENTSSecurities Purchase Agreement • December 28th, 2000 • Neotherapeutics Inc • Services-commercial physical & biological research • New York
