Historical Webcasts and Presentations

Date	Title
Summary Toggle 10/27/08 from 7:00 AM to 7:00 AM EDT	Q3 2008 Earnings Conference Call
Summary Toggle 09/23/08 from 12:00 PM to 12:00 PM EDT	JP Morgan Investor Meetings - Texas
Summary Toggle 09/17/08 from 12:00 PM to 12:00 PM EDT	BB&T Capital on-site meeting with Investor Relations
Summary Toggle 09/09/08 from 12:00 PM to 12:00 PM EDT	Citi Investor Meetings - New York, NY
Summary Toggle 09/04/08 from 12:00 PM to 12:00 PM EDT	Deutsche Bank's Washington Health Policy Day - Washington, D.C.
Summary Toggle 09/03/08 from 12:00 PM to 12:00 PM EDT	UBS Investor Meetings - Minneapolis, MN & Chicago, IL
Summary Toggle 08/12/08 from 12:00 PM to 12:00 PM EDT	Morgan Stanley On-Site Visit with Investment Clients
Summary Toggle 08/06/08 from 11:45 AM to 11:45 AM EDT	BMO Capital Markets Focus on Healthcare Conference -- New York, NY Click here for webcast
Summary Toggle 08/04/08 from 9:00 AM to 9:00 AM EDT	Q2 2008 Earnings Conference Call
Summary Toggle 08/04/08 from 8:30 AM to 8:30 AM EDT	Q2 2008 Earnings Release