EXHIBIT 4.2 REGISTRATION RIGHTS AGREEMENT This Registration Rights Agreement (this "Agreement") is made and entered into as of February 23, 2004, by and among Epoch Biosciences, Inc., a Delaware corporation (the "Company"), and the investors signatory...Registration Rights Agreement • February 25th, 2004 • Epoch Biosciences Inc • In vitro & in vivo diagnostic substances
ARTICLE I. DEFINITIONSSecurities Purchase Agreement • February 25th, 2004 • Epoch Biosciences Inc • In vitro & in vivo diagnostic substances • New York
EXHIBIT 4.3 NEITHER THIS SECURITY NOR THE SECURITIES FOR WHICH THIS SECURITY IS EXERCISABLE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION...Securities Agreement • February 25th, 2004 • Epoch Biosciences Inc • In vitro & in vivo diagnostic substances
