Historical Webcasts and Presentations

Date	Title
Summary Toggle 06/10/08 from 1:20 PM to 1:20 PM PDT	Goldman Sachs Healthcare Conference -- Laguna Niguel, CA Click here for webcast
Summary Toggle 06/06/08 from 12:00 PM to 12:00 PM EDT	Deutsche Bank Investor Meetings -- Denver, CO & Kansas City, MO
Summary Toggle 05/21/08 from 2:00 PM to 2:00 PM EDT	Citi Healthcare Conference -- New York, NY Click here for webcast
Summary Toggle 05/19/08 from 12:00 PM to 12:00 PM EDT	Dinner with Lehman Brothers' Investors -- Louisville, KY
Summary Toggle 05/13/08 from 8:40 AM to 8:40 AM PDT	Bank of America Health Care Conference -- Las Vegas, NV Click here for webcast
Summary Toggle 05/07/08 from 12:00 PM to 12:00 PM EDT	Goldman Sachs Investor Meetings -- Boston, MA
Summary Toggle 05/01/08 from 7:00 AM to 7:00 AM EDT	Wachovia Investor Meetings - Mid-Atlantic
Summary Toggle 04/28/08 from 9:00 AM to 9:00 AM EDT	Q1 2008 Earnings Conference Call
Summary Toggle 04/28/08 from 8:30 AM to 8:30 AM EDT	Q1 2008 Earnings Release
Summary Toggle 04/24/08 from 10:00 AM to 10:00 AM EDT	Annual Stockholders' Meeting -- Louisville, KY Click here for webcast