Age 66
Director Since 2005
Term Expires in 2021

Summary: Mr. Oestreich is our Lead Independent Director. He served as a consultant to Pioneer Hi-Bred International, Inc., a developer and supplier of advanced plant genetics and a wholly-owned subsidiary of DuPont Corporation, located in Johnston, Iowa from 2010 to 2013. He is now retired. He previously served as Chairman of Pioneer Hi-Bred International, Inc. from 2007 until 2009. Mr. Oestreich also served as Vice President of DuPont Corporation from 2004 through 2009. He previously served as President of Pioneer Hi-Bred International, Inc. from 2004 to 2007. He serves as Chairman of the Nominating and Governance Committee. Mr. Oestreich was named to the 2017 National Association of Corporate Directors (NACD) Directorship 100, which honors the most influential boardroom leaders each year. Mr. Oestreich has served as a Director of IPL and WPL since 2005.

Skills and Qualifications:  strategic leadership; financial acumen/literacy; operations; customer perspectives; legal and regulatory; human resources/executive compensation; risk management; technology systems/cybersecurity; environmental and safety.