EXHIBIT 4 AMENDMENT NO. 3 TO RIGHTS AGREEMENT This Amendment No. 3 to the Preferred Shares Rights Agreement, dated June 4, 1999 ("Amendment"), amends that certain Preferred Shares Rights Agreement (the "Rights Agreement"), dated as of August 21, 1996...Rights Agreement • June 7th, 1999 • Metra Biosystems Inc • In vitro & in vivo diagnostic substances • California
AMENDMENT NO. 2 TO PREFERRED SHARES RIGHTS AGREEMENTPreferred Shares Rights Agreement • November 16th, 1998 • Metra Biosystems Inc • In vitro & in vivo diagnostic substances
AMENDMENT NO. 1 TO PREFERRED SHARES RIGHTS AGREEMENTPreferred Shares Rights Agreement • January 27th, 1997 • Metra Biosystems Inc • In vitro & in vivo diagnostic substances
RECITALSSeparation Agreement and Mutual Release • February 10th, 1997 • Metra Biosystems Inc • In vitro & in vivo diagnostic substances • California
CHANGE OF CONTROL AGREEMENT This Change of Control Agreement (the "Agreement") is made and entered into effective as of < < Date > >, by and between < < Employee > > (the "Employee") and Metra Biosystems, Inc., a California corporation (the...Change of Control Agreement • September 29th, 1997 • Metra Biosystems Inc • In vitro & in vivo diagnostic substances • California
METRA CO-PROMOTION AGREEMENT by and between METRA BIOSYSTEMS, INC. and BERLEX LABORATORIES, INC April 25, 1997 [X] CONFIDENTIAL TREATMENT REQUESTED. OMITTED PORTIONS FILED SEPARATELY WITH THE COMMISSION. METRA CO-PROMOTION AGREEMENT This METRA...Promotion Agreement • September 29th, 1997 • Metra Biosystems Inc • In vitro & in vivo diagnostic substances • California
EXHIBIT 10.20 [METRA BIOSYSTEMS LOGO] INTERNATIONAL DISTRIBUTOR AGREEMENT This International Distributor Agreement (the "Agreement") is entered into in Palo Alto, California, as of April 8, 1993, between METRA BIOSYSTEMS, INC., a corporation organized...International Distributor Agreement • May 14th, 1997 • Metra Biosystems Inc • In vitro & in vivo diagnostic substances • California
Payment Date or Event Amount ------------------------------------------------- ------------ Signing of Agreement $100,000Product Research and Development Agreement • May 14th, 1997 • Metra Biosystems Inc • In vitro & in vivo diagnostic substances • Tokyo
