N. Thomas Linebarger is Executive Vice President of Cummins Inc. and President of Cummins Power Generation, a manufacturer of diesel and natural gas powered generator sets and systems. From 2000-03, Mr. Linebarger had been Vice President and Chief Financial Officer of Cummins Inc. Mr. Linebarger is 45 years old, has been a director since November 2005, and is a member of the Audit Committee.