Historical Webcasts and Presentations

Date	Title
Summary Toggle 12/09/11 from 12:00 PM to 12:00 PM EST	Deutsche Bank On-Site Visit with Management
Summary Toggle 11/30/11 from 12:00 PM to 12:00 PM EST	Goldman Sachs Investor Meetings – Los Angeles, CA
Summary Toggle 11/16/11 from 12:00 PM to 12:00 PM EST	Jefferies Investor Meetings - Texas
Summary Toggle 11/10/11 from 8:00 AM to 8:00 AM MST	Credit Suisse Healthcare Conference – Phoenix, AZ Click here for webcast Supporting Materials Credit Suisse 11-10-11.pdf 484.7 KB
Summary Toggle 11/03/11 from 12:00 PM to 12:00 PM EDT	Goldman Sachs Investor Meetings - New York, NY Supporting Materials Goldman Sachs 11-03-11.pdf 484.5 KB
Summary Toggle 10/31/11 from 9:00 AM to 9:00 AM EDT	Q3 2011 Earnings Conference Call Click here for webcast
Summary Toggle 10/31/11 from 6:00 AM to 6:00 AM EDT	Q3 2011 Earnings Release
Summary Toggle 09/22/11 from 12:00 PM to 12:00 PM EDT	Oppenheimer Investor Meetings - Toronto, ON
Summary Toggle 09/21/11 from 12:00 PM to 12:00 PM EDT	JP Morgan Investor Meetings - Boston, MA
Summary Toggle 09/13/11 from 10:30 AM to 10:30 AM EDT	Morgan Stanley Healthcare Conference - New York, NY