Midwest ISO Principles of Corporate Governance (as amended 06-19-08) 2008 Schedule of Midwest ISO Board of Directors Meetings 2008 Board Committee Chairs / Members Audit and Finance Committee - Charter Corporate Governance Committee - Charter Human Resources Committee - Charter Markets Committee - Charter Strategic Planning Committee - Charter Strategic Planning Committee - Guiding Principles Paul J. Feldman, Chair Founder and Chairman Trend IQ, Inc J. Michael Evans, Vice Chair Former President and Chief Executive Officer Institute of Nuclear Power Operation, Atlanta, GA Michael J. Curran President and Chief Executive Officer Boston Stock Exchange, Inc. T. Graham Edwards Chief Executive Officer, Midwest ISO Former President and Chief Executive Officer Santee Cooper David R. Guzmán Senior Vice President Technology Information Services GSI Commerce Shelley A. Longmuir Former Sr. VP - International, Regulatory & Governmental Affairs United Airlines Judy Walsh Former Senior Vice President of Regulatory Policy, SBC Communications Former Commissioner, Public Utility Commission of Texas Former Partner, Deloitte & Touche Eugene W. Zeltmann Former President and Chief Executive Officer New York Power Authority, Albany, NY