LabCorp(R) Scheduled to Present at the Banc of America Securities Health Care Conference

BURLINGTON, N.C., May 19 /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 Banc of America Securities Health Care Conference in Las Vegas, NV on May 20, 2004 at 10:00 a.m. Pacific Time. A live audio webcast of the presentation will be available via the Company web site at www.labcorp.com . A replay of the audio webcast will be available through June 3, 2004.

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: 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-                             05/19/2004
    /CONTACT:  Pamela Sherry of Laboratory Corporation of America
Holdings, +1-336-436-4855, or Shareholder Direct, +1-800-LAB-0401/
    /Web site:  http://www.labcorp.com /
    (LH)

CO:  Laboratory Corporation of America Holdings
ST:  North Carolina
IN:  HEA MTC
SU:  MAV CCA

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