LabCorp to Present at the Merrill Lynch Health Services Conference

BURLINGTON, N.C., Nov. 29 /PRNewswire-FirstCall/ -- Laboratory Corporation of America(R) Holdings (LabCorp(R)) (NYSE: LH) today announced that Thomas P. Mac Mahon, Chairman and Chief Executive Officer, is scheduled to speak at the Merrill Lynch Health Services Conference in New York, NY on November 30, 2004 at 1:15 p.m. Eastern Time. A live audio webcast of the presentation will be available via the Company web site at http://www.labcorp.com . An archived replay of the audio webcast will be available for 14 days following the conference.

About LabCorp

Laboratory Corporation of America(R) Holdings is a pioneer in commercializing new diagnostic technologies and the first in its industry to embrace genomic testing. With annual revenues of $2.9 billion in 2003, approximately 23,000 employees nationwide, and more than 220,000 clients, LabCorp offers over 4,400 clinical assays ranging from blood analyses to HIV and genomic testing. LabCorp combines its expertise in innovative clinical testing technology with its Centers of Excellence: The Center for Molecular Biology and Pathology, in Research Triangle Park, NC; National Genetics Institute, Inc. in Los Angeles, CA; ViroMed Laboratories, Inc. based in Minneapolis, MN; The Center for Esoteric Testing in Burlington, NC; and DIANON Systems, Inc. based in Stratford, CT. LabCorp clients include physicians, government agencies, managed care organizations, hospitals, clinical labs, and pharmaceutical companies. To learn more about our growing organization, visit our web site at: http://www.LabCorp.com .

Each of the above forward-looking statements is subject to change based on various important factors, including without limitation, competitive actions in the marketplace and adverse actions of governmental and other third-party payors. Actual results could differ materially from those suggested by these forward-looking statements. Further information on potential factors that could affect LabCorp's financial results is included in the Company's Form 10- K for the year ended December 31, 2003, and subsequent SEC filings.

SOURCE  Laboratory Corporation of America Holdings
    -0-                             11/29/2004
    /CONTACT:  Brad Hayes of Laboratory Corporation of America Holdings,
+1-336-436-4602, or Shareholder Direct, +1-800-LAB-0401/
    /Web site:  http://www.LabCorp.com /
    (LH)

CO:  Laboratory Corporation of America Holdings; Merrill Lynch Health Services
     Conference
ST:  North Carolina, New York
IN:  HEA MTC
SU:  MAV CCA

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