| February 26, 2008 Sylvia Barnes Managing Partner Merrill Lynch Upstream Oil & Gas Transaction Case Studies and Learning Experiences March 25, 2008 Abby Foster Human Capital Deloitte Consulting LLP Aligning the Workplace with Today's Nontraditional Workforce |
February 27, 2007 Meg Lassarat CFO Mustang Engineering March 27, 2007 Joan Schnepp Vice President, Eagle Rock Energy May 22, 2007 Anne Roby Vice President, Praxair August 28, 2007 Karin Kjaer Lead Legal Council, Maersk Oil |

