Date Filer Title Filing Type Shares Traded Price Total Held
May 18, 2006
EVP, Chief Development Officer
EVP, Chief Development Officer Form 4 Open market or private sale of non-derivative or derivative security 5,000 $49.50 15,596
May 18, 2006
EVP, Chief Development Officer
EVP, Chief Development Officer Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 5,000 $16.74 31,667
May 15, 2006
Director
Director Form 4 Open market or private sale of non-derivative or derivative security 15,000 $48.54 471,879
May 11, 2006
Director
Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 4,000 -- 4,000
May 11, 2006
Director
Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 4,000 -- 4,000
May 11, 2006
Director
Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 4,000 -- 4,000
May 11, 2006
Director
Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 4,000 -- 4,000
May 11, 2006
Director
Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 4,000 -- 4,000
May 11, 2006
Director
Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 4,000 -- 4,000
May 11, 2006
Director
Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 4,000 -- 4,000

* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.