LOS ANGELES--(BUSINESS WIRE)--June 7, 2006--Diagnostic Products Corporation (NYSE:DP - News) announced today that it has established a record date for a special meeting of its shareholders to consider and vote upon the proposal to approve the Agreement and Plan of Merger, dated as of April 26, 2006, by and among Siemens Medical Solutions USA, Inc., Dresden Acquisition Corporation (a wholly owned subsidiary of Siemens Medical Solutions USA) and DPC. DPC shareholders of record at the close of business on Monday, June 19, 2006 will be entitled to notice of, and to vote at, the special meeting, which will be held at 10:00 a.m. local time on Thursday, July 27, 2006 at 5210 Pacific Concourse Drive, Los Angeles, California.