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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
920148	Laboratory Corp Of America Holdings	LH	Services-Medical Laboratories (8071)	133757370

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1275654	P David King	531 South Spring Street Burlington NC 27215	President & Ceo	Yes	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2012-01-25	20,000	$58.57	122,037	No	4	M	Direct
Common Stock	Disposition	2012-01-25	20,000	$92.00	102,037	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Non-qualified Stock Options	Disposition	2012-01-25	20,000	$0.00	20,000	$58.57

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
35,000	2007-02-23	2016-02-23	No	4	M	Direct

Footnotes

Pursuant to a plan in accordance with Rule 10b5-1 under the Securities Exchange Act of 1934.
Amount includes 79.6959 shares acquired on December 31, 2011 under the Laboratory Corporation of America Holdings 1997 Employee Stock Purchase Plan.
Common stock purchase option granted under the Laboratory Corporation of America Holdings 2000 Stock Incentive Plan.
The option vested in three equal annual installments beginning on 02/23/2007 and is now fully exercisable.