Ms. Ruth Ann M. Gillis serves as the Chief Administrative Officer and Executive Vice President at Exelon Corporation. Ms. Gillis has been the President of Exelon Business Services Company, LLC., a subsidiary of Exelon Corporation since 2002 and is responsible for providing oversight for transactional and corporate services to the Exelon operating companies. She serves as Advisor of Bick Financial Security Corporation. She served as Senior Vice President of Exelon Corporation since 2002. As Chief Diversity Officer, She oversees all Exelon diversity initiatives including the company’s employee-focused Diversity & Inclusion strategy and the supplier-focused Diverse Business Enablement initiative. Ms. Gillis serves as a Director Exelon Foundation. She was responsible for areas including field operations, customer satisfaction, public/external affairs, and real estate and property management for ComEd as Executive Vice President of ComEd. From Exelon’s inception in October 2000 to October 2002, she served as Chief Financial Officer of Exelon Corporation. She served as the Chief Financial Officer and Senior Vice President of Unicom Corporation since January 1999. In addition, she served as Senior Vice President of competitive operations, which included customer service operations, marketing and sales and new business development, all residing in ComEd. She served as Chief Financial Officer and Senior Vice President of ComEd since January 1999. Ms. Gillis also was responsible for the unregulated businesses residing in Unicom Enterprises, Inc., and Unicom Resources. She joined Exelon Corporation in 1997 as Vice President and Treasurer of Unicom Corporation. As Treasurer, she was responsible for the corporation’s financing activities, cash management, financial risk management and treasury functions. Before joining Unicom, Ms. Gillis served as Chief Financial Officer, Treasurer and Vice President of the University of Chicago Hospitals and Health System. Her responsibilities included oversight of all aspects of corporate finance and treasury for a $600 million health care system anchored by the University of Chicago Hospitals. From 1977 to 1995, she worked for First Chicago Corporation (now JPMorgan Chase & Co.), where she held a variety of lending and staff positions. She donates her time to various community organizations. She has been a Trustee of Archstone-Smith Trust since 2004. She has been a Director of KeyCorp since November 18, 2009. She serves as a Board Member of the Lyric Opera of Chicago. She serves as a Trustee of the Goodman Theatre Board. Ms. Gillis is a member of the Chicago Network, Economic Club of Chicago and The Commercial Club of Chicago. She has been an active member of the University of Chicago Cancer Research Foundation Women’s Board since 1986, and is the president of the foundation’s Board of Trustees. Ms. Gillis served as a Director of Potlatch Corporation from November 1, 2003 to May 6, 2013. Ms. Gillis received her bachelor’s degree in economics from Smith College in Northampton, Massachusetts. She was distinguished as Phi Beta Kappa and graduated magna cum laude with high honors in 1977. In 1980, she graduated with a master’s degree in business administration from the University of Chicago Graduate School of Business, with a concentration in finance.