Mr. Scott has been the Chairman of the Board of the Company since September 1979, and a director of the Company since April 1964. Mr. Scott has been Chairman Emeritus of Peter Kiewit Sons', Inc. ("PKS") since the split-off. Mr. Scott is also a director of PKS, Berkshire Hathaway Inc., and Valmont Industries, Inc.

James Q. Crowe

Mr. Crowe has been the Chief Executive Officer of the Company since August 1997 and a director of the Company since June 1993. Mr. Crowe has also served as President of the Company since 2008, and from its inception until February 2000. Mr. Crowe was President and Chief Executive Officer of MFS Communications Company, Inc. ("MFS") from June 1993 to June 1997. Mr. Crowe also served as Chairman of the Board of WorldCom from January 1997 until July 1997 and as Chairman of the Board of MFS from 1992 through 1996.

Douglas C. Eby

Mr. Eby has been a director of the company since August 2007. He is chairman and CEO of Time Partners LLC, an investment advisory firm. Mr. Eby sits on the Boards of Markel Corporation, CBRE Realty Finance, Inc. and Suburban Healthcare System.

James O. Ellis Jr.

Admiral Ellis has been a director of the company since March 2005. He is the former commander of the United States Strategic Command at Offutt Air Force Base in Nebraska, where he had global responsibility for strategic warning systems, integrated missile defense, space operations, and other critical national defense functions. Prior to that, he served as commander in chief of U.S. naval forces in Europe and as commander in chief of Allied forces in southern Europe. He is a graduate of the U.S. Naval Academy and holds master's degrees in aerospace engineering and aeronautical systems from the Georgia Institute of Technology and the University of West Florida. He also serves on the board of Lockheed Martin Corporation. Admiral Ellis is the Chairman of the Nominating and Governance committee of the Board of Directors.

Richard R. Jaros

Mr. Jaros has been a director of the Company since June 1993 and served as President of the Company from 1996 to 1997. Mr. Jaros served as Executive Vice President of the Company from 1993 to 1996 and Chief Financial Officer of the Company from 1995 to 1996. He also served as President and Chief Operating Officer of CalEnergy from 1992 to 1993. Mr. Jaros is the Chairman of the Compensation Committee of the Board of Directors.

Robert E. Julian

Mr. Julian has been a director of the Company since March 1998. From 1992 to 1995 Mr. Julian served as Executive Vice President and Chief Financial Officer of the Company.

Mr. Mahoney has been a director of the company since August 2007. He was most recently the president and CEO of Commonwealth Telephone Enterprises. A telecommunications industry veteran, he was also president and COO of RCN Corporation, president and COO of C-TEC Corporation, and executive vice president and general manager of C-TEC Cable Systems. Mr. Mahoney sits on the Board of Trustees of Wilkes University.

Arun Netravali

Mr. Netravali has been a director of the Company since April 2003. Prior to that, Mr. Netravali was Chief Scientist for Lucent Technologies, working with academic and investment communities to identify and implement important new networking technologies from January 2002 to April 2003. Prior to that position, Mr. Netravali was President of Bell Labs as well as Lucent's Chief Technology Officer and Chief Network Architect from June 1999 to January 2002. Bell Labs serves as the research and development organization for Lucent Technologies.

John T. Reed

Mr. Reed has been a director of the Company since March 2003. Mr. Reed was Chairman of HMG Properties, the real estate investment banking joint venture of McCarthy Group, Inc. from 2000 to 2005. Prior to that, he was Chairman of McCarthy & Co., the investment banking affiliate of McCarthy Group. Prior to joining McCarthy Group in 1997, Mr. Reed spent 32 years with Arthur Andersen, LLP. Mr. Reed is the Chairman of the Audit Committee of the Board of Directors.

Michael B. Yanney

Mr. Yanney has been a director of the Company since March 1998. He has served as Chairman of the Board, of The Burlington Capital Group for more than five years.

Albert C. Yates

Dr. Yates has been a director of the Company since March 2005. He served as president of Colorado State University from 1990 to 2003. He is credited with revitalizing the campus, boosting academic performance and achieving record levels of alumni and state support. He holds degrees in chemistry and mathematics from the University of Memphis and a doctorate in theoretical chemical physics from Indiana University. Dr. Yates serves on the board of Centennial Bank Holdings, Inc. and Startek, Inc.