Press Release Details

Quest Diagnostics to Speak at Wachovia Securities Ninth Annual Convertible Securities Conference

03/06/2003

TETERBORO, N.J., Mar 6, 2003 /PRNewswire-FirstCall via COMTEX/ -- Quest Diagnostics Incorporated (NYSE: DGX), the nation's leading provider of diagnostic testing, information and services, announced that Laure E. Park, Vice President, Investor Relations, and Joseph P. Manory, Vice President and Treasurer, are scheduled to speak at the Wachovia Securities Ninth Annual Convertible Securities Conference on Friday, March 7, 2003, at the Mandarin Oriental-Miami, in Miami, Florida. The Quest Diagnostics presentation is scheduled to begin at 8:30 a.m. Eastern Time.

The presentation will be webcast live during the conference and will be available to registered investors on the following site: http://www.twst.com/econf/mm/fu11/dgx.html and to the public on http://www.questdiagnostics.com . In addition, the archived webcast will be available starting approximately 3 hours after the actual presentation time and will be available until May 2, 2003.

Quest Diagnostics Incorporated is the nation's leading provider of diagnostic testing, information and services, providing insights that enable physicians, hospitals, managed care organizations and other healthcare professionals to make decisions to improve health. The company offers the broadest access to diagnostic laboratory services through its national network of laboratories and patient service centers. Quest Diagnostics is the leading provider of esoteric testing, including gene-based medical testing, and empowers healthcare organizations and clinicians with state-of-the-art connectivity solutions that improve practice management. Additional company information can be found on the Internet at: http://www.questdiagnostics.com .

The statements in this press release which are not historical facts or information may be forward-looking statements. These forward-looking statements involve risks and uncertainties that could cause actual results and outcomes to be materially different. Certain of these risks and uncertainties may include, but are not limited to, unanticipated expenditures, changing relationships with customers, suppliers and strategic partners, conditions of the economy and other factors described in the Quest Diagnostics Incorporated 2002 Form 10-K and subsequent filings.

SOURCE Quest Diagnostics Incorporated

CONTACT:
Investors - Laure Park, +1-201-393-5030, or Media - Gary
Samuels, +1-201-393-5700, both of Quest Diagnostics Incorporated

URL: http://www.questdiagnostics.com

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