Laboratory Corporation of America(R) Holdings
358 South Main Street
Burlington, NC 27215
Telephone:  (336) 584-5171

FOR IMMEDIATE RELEASE
Investor Contact:  Scott Fleming - 336-436-4879
Media Contact:  Pam Sherry - 336-436-4855
Shareholder Direct:  800-LAB-0401
Company Information:  www.labcorp.com


                LABCORP(R) SCHEDULED TO WEBCAST ITS ANNUAL
                         MEETING OF STOCKHOLDERS


Burlington, NC, May 15, 2007 - Laboratory Corporation of America(R)
Holdings (LabCorp(R)) (NYSE: LH) today announced that its Annual Meeting
of Shareholders will be webcast live beginning May 16, 2007 at 9:00 a.m.
Eastern Time via the Company Web site at www.labcorp.com.  An archived
replay of the audio webcast will be available through June 16, 2007.

About LabCorp(R)
- ----------------
Laboratory Corporation of America(R) Holdings, a S&P 500 company, is a
pioneer in commercializing new diagnostic technologies and the first in
its industry to embrace genomic testing.  With annual revenues of $3.6
billion in 2006, over 25,000 employees nationwide, and more than 220,000
clients, LabCorp offers clinical assays ranging from routine 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, National Genetics
Institute, Inc., ViroMed Laboratories, Inc., The Center for Esoteric
Testing, DIANON Systems, Inc., US LABS, and Esoterix and its Colorado
Coagulation, Endocrine Sciences, and Cytometry Associates laboratories.
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, 2006,
and subsequent SEC filings.