Mr. Robert G. Gwin, also known as Bob, has been the Chief Financial Officer of Anadarko Petroleum Corporation since March 1, 2009 and serves as its Executive Vice President of Finance. Mr. Gwin served as the Senior Vice President of Finance at Anadarko Petroleum Corporation. He served as the President of Western Gas Holdings LLC, the General Partner of Western Gas Partners LP from August 2007 to October 2009. He served as Chief Executive Officer of Western Gas Holdings LLC from August 2007 to January 2010. Mr. Gwin served as the Chief Executive Officer of Broadband Horizons. Mr. Gwin served as a Senior Vice President of Anadarko Petroleum Corp., since March 2008 and its Vice President of Finance and Treasurer from January 16, 2006 to March 2008. Prior to Anadarko, he served as the Chief Executive Officer of Community Broadband Ventures LP from November 2004 to January 2006. Mr. Gwin served as the President of Prosoft Learning Corp., (formerly Prosoft training) from May 2002 to November 12,2004, Chief Executive Officer from December 2002 to November 12, 2004, Chief Financial Officer from August 2000 to November 2004, Executive Vice President since October 2001 and an Adviser since November 12, 2004. Mr. Gwin joined Prosoft Learning Corp., in August 2000 and also served as its Consultant. Prior to Prosoft, he served as the Managing Director of Prudential Capital Group, an asset management unit of The Prudential Insurance Company of America. He joined Prudential Capital in 1990. Previously, he served at Prudential Capital Group in merchant banking roles for 10 years including served as its Managing Director. He has more than 20 years of experience from a variety of leadership roles in corporate finance and executive management. He has been Chairman of the Supervisory Board at LyondellBasell Industries NV since August 8, 2013. Mr. Gwin has been the Non-Executive Chairman of Western Gas Holdings LLC, the General Partner of Western Gas Partners LP since October 2009. He has been the Chairman of Western Gas Equity Holdings, LLC since September 2012. Mr. Gwin served as the Chairman of Prosoft Learning Corp. from December 2002 to February 1, 2006. He served as Non-Executive Vice Chairman of Supervisory Board at LyondellBasell Industries NV from May 22, 2013 to August 8, 2013 and has been its Member of Supervisory Board since May 10, 2011. He serves as a Supervisory Director of Lyondell Chemical Company. He has been a Director of Western Gas Holdings LLC since August 2007. He served as a Director at Prosoft Learning Corp., from December 5, 2002 to February 1, 2006. Mr. Gwin is a Chartered Financial Analyst and holds a Bachelor of Science in Business Administration from the University of Southern California in 1985 and an MBA from the Fuqua School of Business at Duke University in 1990.