AMENDMENT NO. 1 TO PREFERRED STOCK RIGHTS AGREEMENT This Amendment No. 1 dated as of February 18, 2003 (this "Amendment") to the to Preferred Stock Rights Agreement dated as of October 24, 2001 (the "Rights Agreement") between Third Wave Technologies,...Preferred Stock Rights Agreement • February 19th, 2003 • Third Wave Technologies Inc /Wi • Biological products, (no disgnostic substances) • Delaware
