November 29, 2004

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
November 3, 2004

LabCorp Added to S&P 500 Index

BURLINGTON, N.C., Nov. 3 /PRNewswire-FirstCall/ -- Laboratory Corporation of America(R) Holdings (LabCorp(R)) (NYSE: LH) today announced that Standard & Poor's (S&P) added the company to the S&P 500 Index as of the close of trading on October 29, 2004.