EXHIBIT 4.7 RIGHTS AGREEMENT AMENDMENT Rights Agreement Amendment, dated as of January 10, 2000 (this "Amendment"), to the Rights Agreement dated as of February 25, 1999 (the "Rights Agreement"), between Biosource International, Inc., a Delaware...Rights Agreement • October 26th, 2000 • Biosource International Inc • In vitro & in vivo diagnostic substances • Delaware
ARTICLE I.Securities Purchase Agreement • October 26th, 2000 • Biosource International Inc • In vitro & in vivo diagnostic substances • California
EXHIBIT 4.2 AMENDMENT TO SECURITIES PURCHASE AGREEMENT THIS AMENDMENT TO SECURITIES PURCHASE AGREEMENT (this "Amendment") is entered into as this 28th day of September, 2000, by and among BioSource International, Inc., a Delaware corporation (the...Securities Purchase Agreement • October 26th, 2000 • Biosource International Inc • In vitro & in vivo diagnostic substances
WAIVER TO INVESTOR RIGHTS AGREEMENTInvestor Rights Agreement • October 26th, 2000 • Biosource International Inc • In vitro & in vivo diagnostic substances
