Q1 2010 Laboratory Corporation of America Earnings Conference Call Apr 21, 2010 from 9:30 AM to 9:30 AM EDT Supporting Materials Q1 2010 Notice of Earnings Conference Call - Revised Time (9:30 AM ET) 56.6 KB Q1 2010 Earnings Press Release 153.8 KB Q1 2010 8-K 458 KB Live Teleconference Information Primary # - 800.599.9829 Secondary # - 617.847.8703 Passcode - 88174891 Replay Teleconference Information Start Date - Apr 21, 2010 at 12:30 PM EDT Primary # - 888-286-8010 Secondary # - 617-801-6888 Passcode - 73929171
