Pamela B Strobel

Pamela B. Strobel 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, previously serving as Chairman and Chief Executive Officer of Exelon Energy Delivery from 2000 to 2003. Prior to her employment with Exelon, and prior to the merger of PECO Energy Company and Unicom Corporation, she served as Executive Vice President of Unicom and its chief subsidiary, ComEd. She is a director of Domtar Corporation and State Farm Mutual Automobile Insurance Company. Ms. Strobel was elected as a director of ITW in February 2008.