Director since: 2008 Independent: Yes Committees: Compensation, Corporate Governance and Nominating (Chair), Executive Other Public Directorships None Professional Background Retired as Executive Vice President and Chief Administrative Officer of Exelon Corporation and President of Exelon Business Services Company, an electric and gas utility company, in October 2005, a position she had held since 2003. Served as Chairman and Chief Executive Officer of Exelon Energy Delivery from 2000 to 2003. Served as Executive Vice President of Unicom and its chief subsidiary, ComEd, having joined ComEd as General Counsel in 1993, where her experience included supervision and oversight of legal matters and risk management. Previously served as a director of State Farm Mutual Automobile Insurance Company and Domtar Corporation. Skills and Qualifications Ms. Strobel s deep knowledge of human capital management, finance, risk management and sustainability matters gained from executive and legal leadership roles with a leading energy provider brings valuable perspectives to our Board. In addition, her past service on the boards of other companies gives her an understanding of compensation and corporate governance issues.