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William B. Berry

Supervisory Lead Director

Mr. Berry was appointed to the Supervisory Board in January 2015. Mr. Berry served as Executive Vice President, Exploration and Production, of ConocoPhillips Company (“ConocoPhillips”), a major international integrated energy company, from 2003 until his retirement on January 1, 2008. He has over 30 years of experience with ConocoPhillips and Phillips Petroleum Company, which became a part of ConocoPhillips in August 2002. While with these companies, he served at various times in other executive positions including President, Asia Pacific; Senior Vice President of Exploration and Production, Eurasia-Middle East; Vice President of Exploration and Production, Eurasia; and Vice President of International Exploration and Production, New Ventures. He currently serves on the boards of directors of Continental Resources, Inc. since May 2014 and Oceaneering International, Inc. since August 2016. He served on the boards of directors of Teekay Corporation from June 2011 to December 2015, Willbros Group, Inc. from February 2008 to May 2014, Nexen Inc. from December 2008 to June 2013 and Access Midstream Partners, L.P. from June 2013 to June 2014. Mr. Berry holds a Bachelor of Science and Master of Science degree in petroleum engineering from Mississippi State University. Mr. Berry brings extensive domestic and international experience in the oil and gas exploration and production industry and management expertise to the Board. Mr. Berry also brings considerable director experience from his position as a director with several other companies involved in the energy industry. Mr. Berry was selected as a supervisory director because of his extensive industry, management and director expertise.