X0202 4 2006-07-27 1 0000702259 DIAGNOSTIC PRODUCTS CORP DP 0001212370 DITULLIO ROBERT C/O DIAGNOSTIC PRODUCTS CORPORATION 5210 PACIFIC CONCOURSE DRIVE LOS ANGELES CA 90045 0 1 0 0 VP, Reg Affairs & Quality Sys Common Stock Option - Right to Buy 14.75 2006-07-27 4 D 0 1200 D 2007-08-25 Common Stock 1200 0 D Common Stock Option - Right to Buy 23.75 2006-07-27 4 D 0 12001 D 2011-01-08 Common Stock 12001 0 D Common Stock Option - Right to uy 47.16 2006-07-27 4 D 0 13000 D 2015-12-19 Common Stock 13000 0 D 1,200 will vest on August 25, 2006. Cancelled pursuant to the Agreement and Plan of Merger, dated as of April 26, 2006, by and among the issuer, Siemens Medical Solutions USA, Inc., and Dresden Acquisition Corporation (the "Merger Agreement") in exchange for an amount equal to $58.50 for each share of common stock of the issuer subject to the cancelled option, less the applicable exercise price and any applicable withholding taxes, the aggregate amount of which is payable in the form of cash. 4,000 vested on January 8, 2005 and 8,001 vested on January 8, 2006. 2,600 will vest annually on December 9, 2006 through December 9, 2010. James L. Brill, Authorized Signer 2006-07-27