Laboratory Corporation of America(R) Holdings
Announces 2012 First Quarter Results

Revenue Growth Drives Q1 Diluted EPS of $1.63 and Adjusted EPS Excluding Amortization of $1.74, up 14.5% BURLINGTON, N.C., Apr 19, 2012 (BUSINESS WIRE) --Laboratory Corporation of America (R) Holdings (LabCorp (R) ) (NYSE: LH) today announced results for the quarter ended March 31, 2012.

Conversion Right Triggered for LabCorp(EQNX::rightsinglequotation)s Zero Coupon Convertible Subordinated Notes Due 2021

BURLINGTON, N.C., Apr 02, 2012 (BUSINESS WIRE) --Laboratory Corporation of America (EQNX::registered) Holdings (LabCorp (EQNX::registered) ) (NYSE: LH) announced today that its Zero Coupon Convertible Subordinated Notes due 2021 (Zero Coupon Notes) may be converted as set forth below.

Conversion Right Triggered for LabCorp’s Zero Coupon Convertible Subordinated Notes Due 2021

BURLINGTON, N.C. --(BUSINESS WIRE)--Apr. 2, 2012-- Laboratory Corporation of America ® Holdings (LabCorp ® ) (NYSE: LH) announced today that its Zero Coupon Convertible Subordinated Notes due 2021 (Zero Coupon Notes) may be converted as set forth below.

LabCorp's Zero Coupon Convertible Subordinated Notes Due 2021 to Accrue Contingent Interest

BURLINGTON, N.C. --(BUSINESS WIRE)--Mar. 13, 2012-- Laboratory Corporation of America ® Holdings (LabCorp ® ) (NYSE: LH) announced today that for the period of March 12, 2012 to September 11, 2012 , its Zero Coupon Convertible Subordinated Notes due 2021 (Zero Coupon Notes) will, subject to the

LabCorp is Scheduled to Present at the Barclays Capital 2012 Global Healthcare Conference

BURLINGTON, N.C. --(BUSINESS WIRE)--Mar. 7, 2012-- Laboratory Corporation of America ® Holdings (LabCorp ® ) (NYSE: LH) today announced that David P. King , Chairman and Chief Executive Officer, is scheduled to speak at the Barclays Capital 2012 Global Healthcare Conference in Miami Beach, FL.

LabCorp is Scheduled to Speak at RBC Capital Markets’ 2012 Global Healthcare Conference

BURLINGTON, N.C. --(BUSINESS WIRE)--Feb. 22, 2012-- Laboratory Corporation of America ® Holdings (LabCorp ® ) (NYSE: LH) today announced that David P. King , Chairman and Chief Executive Officer, is scheduled to speak at the RBC Capital Markets’ 2012 Global Healthcare Conference in New York City ,

Laboratory Corporation of America® Holdings Announces 2011 Fourth Quarter and Full Year Results

Revenue Growth Drives Q4 Diluted EPS of $1.34 and Adjusted EPS Excluding Amortization of $1.56 ; Board Authorizes New $500 Million Share Repurchase Program BURLINGTON, N.C. --(BUSINESS WIRE)--Feb. 10, 2012-- Laboratory Corporation of America ® Holdings (LabCorp ® ) (NYSE: LH) today announced

LabCorp to Offer New FDA Cleared Test to Aid in Assessing Whether Ovarian Mass is at High or Low Likelihood of Being Malignant

BURLINGTON, N.C. --(BUSINESS WIRE)--Jan. 18, 2012-- Laboratory Corporation of America ® Holdings (LabCorp ® ) (NYSE: LH) announced today the nationwide availability of a new FDA cleared risk stratification tool ( ROMA ® , R isk of O varian M alignancy A lgorithm) that combines the results for

LabCorp is Scheduled to Present at the 30th Annual J.P. Morgan Healthcare Conference

BURLINGTON, N.C. --(BUSINESS WIRE)--Jan. 4, 2012-- Laboratory Corporation of America ® Holdings (LabCorp ® ) (NYSE: LH) today announced that David P. King , Chairman and Chief Executive Officer, is scheduled to speak at the 30 th Annual J.P. Morgan Healthcare Conference in San Francisco, CA.

Conversion Right Triggered for LabCorp’s Zero Coupon Convertible Subordinated Notes Due 2021

BURLINGTON, N.C. --(BUSINESS WIRE)--Jan. 3, 2012-- Laboratory Corporation of America ® Holdings (LabCorp ® ) (NYSE: LH) announced today that its Zero Coupon Convertible Subordinated Notes due 2021 (Zero Coupon Notes) may be converted as set forth below.