Dean C Oestreich

Mr. Oestreich has been Chairman of Pioneer Hi-Bred International, Inc., developer and supplier of advanced plant genetics, and a wholly-owned subsidiary of DuPont Corporation, located in Johnston, Iowa, since Nov. 2007. He has served as Vice President of DuPont Corporation since 2004. He previously served as President of Pioneer Hi-Bred International, Inc. from 2004 to 2007. Mr. Oestreich previously served as Vice President and Business Director of North America from 2002 to 2004 and Vice President and Director of Supply Management from 2001 to 2002. Mr. Oestreich has served as a Director of IPL, WPL and Resources since 2005. Mr. Oestreich is Chairperson of the Environmental, Nuclear, Health and Safety Committee.