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He served as Lead Director from the 2016 Annual Meeting through the 2017 Annual Meeting. 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. While at ConocoPhillips and Phillips Petroleum Company he served in various locations including London, England; Abidjan, Ivory Coast; Stavanger, Norway; Shekou and Beijing, China; and Singapore. Mr. Berry was recognized by the government of China as one of the 31 outstanding foreign experts in 1996. He has served on the board of directors of Franks International since January 2015 and on the board of directors of Oceaneering International, Inc. since June 2016. He served on the board of directors of Nexen Inc. from December 2008 to June 2013, Willbros Group, Inc. (“Willbros”) from February 2008 to May 2014, Access Midstream Partners, L.P. from June 2013 to May 2014, and Teekay Corporation from June 2012 to December 2015. He was the Honorary Consul for Kazakhstan from 2009 until 2014. Mr. Berry holds a bachelor’s and a master’s 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 experience from his position as a director with several other publicly traded companies involved in the energy industry. We believe Mr. Berry’s extensive industry, management and director expertise qualify him to serve on our Board.

Leon Topalian is a Vice President at Nucor and Board Member at Nucor. He has worked as Exec VP:Beam & Plate Products at Nucor; VP/General Manager at Nucor Steel Kankakee, Inc.; and President/COO at Nucor.

Daniel E. Brown serves as the Chief Executive Officer and Board Member. Mr. Brown has 23 years of experience in the oil and natural gas industry having spent his career with Anadarko Petroleum Corporation, or one of its predecessors, until Anadarko was acquired by Occidental Petroleum in August 2019. From October 2017 to August 2019, Mr. Brown served as Anadarko’s Executive Vice President, U.S. Onshore Operations. Prior to that position, he served as Executive Vice President, International and Deepwater Operations beginning in May 2017; Senior Vice President, International and Deepwater Operations beginning in August 2016; Vice President, Operations (Southern and Appalachia) beginning in August 2013; and Vice President, Corporate Planning beginning in May 2013. Mr. Brown joined Anadarko in August 2006 upon the acquisition of Kerr-McGee Corporation, where he began his career. In addition to those positions mentioned above, Mr. Brown held positions of increasing responsibility with Anadarko and Kerr-McGee throughout his career in U.S. onshore and Gulf of Mexico segments, as well as internationally. Mr. Brown was also a director of Western Gas Equity Partners, LP (NYSE: WGP) and Western Gas Partners, LP (NYSE: WES) from November 2017 to February 2019. After the February 2019 simplification of those two MLPs, he served on the board of Western Midstream Partners, LP (NYSE: WES) until August 2019, when the Anadarko-Occidental transaction was completed. Since January 2020, Mr. Brown has served on the board of the Blackstone-backed private exploration and production company, Beacon Offshore Energy LLC, which is focused on the deepwater Gulf of Mexico. Mr. Brown is a registered Professional Engineer in the state of Texas and serves on the board of Junior Achievement of Southeast Texas. Mr. Brown holds a Bachelor of Science in Mechanical Engineering from Texas A&M University and an MBA from Rice University, where he was a Jones Scholar Award recipient.

Joe Gorder became Chairman of the Board on Dec. 31, 2014, and Chief Executive Officer on May 1, 2014. He previously served as President, and as Chief Operating Officer, responsible for refining operations and commercial operations in marketing, supply and transportation. He also has served as Chief Commercial Officer and President of Valero Europe. He oversaw all commercial trading and related activity for the company, including Crude and Feedstock Supply and Trading, Products Supply and Trading, Wholesale Marketing, Logistics Operations, Commercial Business Development, Transportation and Specialty Products Marketing. In addition, he was responsible for all business activity and operations of Valero’s assets in the United Kingdom and Ireland. Gorder served as Valero’s Executive Vice President-Marketing and Supply, following tenure as Senior Vice President for Corporate Development and Strategic Planning. Before joining Valero, he held the positions of Vice President of Business Development for Ultramar Diamond Shamrock, and Director of Commercial/Industrial Sales, Assistant Treasurer and Director of Information Systems for Diamond Shamrock.

Charles de Ganahl Koch (born November 1, 1935) is an American billionaire businessman and philanthropist. As of April 2021, he was ranked as the 15th-richest person in the world on Bloomberg Billionaires Index, with an estimated net worth of $63.1 billion. Koch has been co-owner, chairman, and chief executive officer of Koch Industries since 1967, while his late brother David Koch served as executive vice president. Charles and David each owned 42% of the conglomerate. The brothers inherited the business from their father, Fred C. Koch, then expanded the business. Originally involved exclusively in oil refining and chemicals, Koch Industries now includes process and pollution control equipment and technologies, polymers and fibers, minerals, fertilizers, commodity trading and services, forest and consumer products, and ranching. The businesses produce a wide variety of well-known brands, such as Stainmaster carpet, the Lycra brand of spandex fiber, Quilted Northern tissue, and Dixie Cup.