Press Release Details

Quest Diagnostics Schedules Third Quarter 2000 Earnings Release

10/17/2000

TETERBORO, N.J., Oct. 17 /PRNewswire/ -- Quest Diagnostics Incorporated (NYSE: DGX), the nation's leading provider of diagnostic testing, information and services, announced that it will report financial results for the third quarter ended September 30, 2000 after the close of the stock market on October 19, 2000. The company has scheduled a conference call to discuss the results on October 20 at 8 a.m. (Eastern Time).

To hear a simulcast of the call over the Internet, or a replay, registered analysts may access StreetEvents at: http://www.streetevents.com and all others may access the Quest Diagnostics website at: http://www.questdiagnostics.com. An on-line replay will be available 24 hours a day beginning at noon on October 20. In addition, the replay of the call will also be available from 10 A.M. on October 20 through 5 P.M. on October 24 by dialing 800-568-6411.

Quest Diagnostics is the nation's leading provider of diagnostic testing, information and services with annualized revenues of more than $3 billion. The testing performed on human specimens helps doctors diagnose, treat and monitor disease; enables employers to detect workplace drug abuse; and supports pharmaceutical and biotechnology companies in clinical trials of new therapeutics worldwide. Quest Informatics analyzes laboratory and other medical data to help health care providers improve the care of patients. 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 the outcome to be materially different. Certain of these risks and uncertainties are listed in the Quest Diagnostics Incorporated 1999 Form 10-K and subsequent filings. SOURCE Quest Diagnostics Incorporated

CONTACT: Investors - Catherine Doherty 201-393-5030, or Media - Gary Samuels, 201-393-5700, both for Quest Diagnostics Incorporated/