DP Diagnostic Products

Diagnostic Products Corporation (NYSE:DP) announced today the declaration of a quarterly cash dividend of $.07 per share of Common Stock payable May 16, 2006 to shareholders of record on April 28, 2006. Diagnostic Products Corporation, founded in 1971, is a leader in the global in vitro diagnostics market. DPC's product offering includes the widely accepted IMMULITE(R) series of immunoassay systems, more than 75 immunoassays and an expanding menu of essential specific allergens and allergy panels that are run just like other immunoassays. DPC also designs and manufactures automated laboratory instrumentation and automation solutions that provide fast, accurate results while enabling our customers to do "more with less" in a leaner laboratory. DPC's combined chemistry and immunoassay menu is one of the largest and most diversified available, covering most laboratory tests requested. DPC sells its products to hospitals, clinics and laboratories in more than 100 countries. Additional Company information can be found on DPC's website at www.dpcweb.com.