December 13, 2006 Conference Call November 15, 2006 Conference Call November 4, 2006 Meeting September 20, 2006 Conference Call August 16, 2006 Conference Call July 19, 2006 Conference Call June 24-25, 2006 Meeting May 17, 2006 Conference Call April 17, 2006 Conference Call March 22, 2006 Conference Call February 24-25, 2006 Meeting