Mr. Richard L. Keyser is Independent Director of Principal Financial Group Inc. Mr. Keyser was Chairman Emeritus of W.W. Grainger, Inc., an international distributor of products used by businesses to maintain, repair and operate their facilities, from April 2009 — April 2010. He had been Chairman of the Board of Grainger since September 1997 and served as Grainger's Chief Executive Officer from March 1995 — May 2008. Previously he was President and Chief Executive Officer from March 1995 — September 1997, as well as President and Chief Operating Officer from March 1994 — March 1995. Mr. Keyser was honored as the National Association of Corporate Directors 2010 Public Company Director of the Year. He earned his bachelor's degree in nuclear science at the U.S. Naval Academy and a master's degree in business administration at Harvard University.