Member, Compensation Committee
Chair, Nominating and Governance Committee

Peter L.S. Currie, 62, has been a director of the Company since 2010, and is the Board’s Lead Independent Director. Since April 2004, he has been President of Currie Capital LLC, a private investment firm. From November 2010 to May 2016, Mr. Currie served on the board of Twitter, Inc., where he chaired both its audit committee and its nominating and governance committee and was the lead independent director. He has also served on the board of directors of New Relic, Inc. (from March 2013 to August 2016), where he chaired its audit committee and was a member of its compensation committee. Mr. Currie has also served on the boards of directors of Clearwire Corporation, CNET Networks, Inc., Safeco Corporation and Sun Microsystems, Inc.

Member, Finance Committee
Member, Science and Technology Committee

Miguel M. Galuccio, 50, was elected as a director of the Company in 2017. Mr. Galuccio is the Chairman and Chief Executive Officer of Vista Oil and Gas, an oil and gas company incorporated in Mexico, and has held that position since July 2017. From May 2012 to March 2016, he was the Chairman and Chief Executive Officer of YPF, Argentina’s national oil company. From 1999 to 2012, he was an employee of Schlumberger and held a number of international positions, his last being President, Schlumberger Production Management (SPM). Prior to his employment at Schlumberger, he served in various executive positions at YPF and its subsidiaries from 1994 to 1999, including YPF International.

Chair, Audit Committee
Member, Finance Committee

V. Maureen Kempston Darkes, 70, retired, has been a director of the Company since 2014. She was Group Vice President and President Latin America, Africa and Middle East, of General Motors Corporation (GM), an automotive manufacturer, from January 2002 to December 2009, and was a member of its Automotive Strategy Board until her retirement from GM. Ms. Kempston Darkes has been a director of Enbridge Inc., a leading energy transportation and distribution company, since November 2010, and is the chair of its corporate social responsibility committee, and is a member of its safety and reliability committee and its human resources and compensation committee. She also is a member of the board of directors of Brookfield Asset Management Inc., a global asset management company (since April 2008), where she chairs the risk management committee and is a member of the management resources and compensation committee; and Canadian National Railway Company (since 1995), where she chairs the environment, safety and security committee, and is a member of the corporate governance and nominating committee, finance committee, audit committee and strategic planning committee. Ms. Kempston Darkes was also a director of Balfour Beatty plc, an infrastructure services company from July 2012 through May 2017, where she chaired the safety and sustainability committee and was a member of both the nomination and the remuneration committees.

Paal Kibsgaard, 51, has been a director of the Company since 2011, Chairman of the board of directors since April 2015 and has served as Chief Executive Officer of the Company since August 2011. He was the Company’s Chief Operating Officer from February 2010 to July 2011, and President of the Reservoir Characterization Group from May 2009 to February 2010. Prior to that, Mr. Kibsgaard served as Vice President, Engineering, Manufacturing and Sustaining, from November 2007 to May 2009, and as Vice President of Personnel from April 2006 to November 2007. Mr. Kibsgaard has been with the Company since 1997, and began his career as a reservoir engineer. He has held numerous operational and administrative management positions within the Company in the Middle East, Europe and the U.S.

Member, Audit Committee
Member, Finance Committee
Member, Science and Technology Committee

Nikolay Kudryavtsev, 68, has been a director of the Company since 2007. Since June 1997, he has been the Rector of the Moscow Institute of Physics and Technology. Mr. Kudryavtsev has been chairman of the Board of Rectors of the City of Moscow and Moscow Region since 2012, and was elected Vice President of the Russian Rectors Union in 2014, and became a member of its board in 2018.

Member, Audit Committee

Michael E. Marks, 68, has been a director of the Company since 2005. He has been a Managing Partner of Riverwood Capital, LLC, a private equity firm, since March 2007. From 2011 to 2017, he was the lead independent director at GoPro, Inc., a consumer camera company, and was the chair of its compensation and leadership committee and a member of its nominating and governance committee. Mr. Marks served as director of San Disk Corp., a memory products company, from 2003 to 2011 and as Chairman from 2011 until 2016, when it was acquired. Mr. Marks previously served on the boards of directors of Flextronics Inc., Sun Microsystems and Calix, Inc.

Member, Audit Committee

Tatiana A. Mitrova, 44, has been a director of the Company since October 2018. She has been the Director of the SKOLKOVO Energy Center of the Moscow School of Management, a graduate business school, since February 2017. She has also been the Head of Research in the Oil and Gas Department in the Energy Research Institute of the Russian Academy of Sciences since January 2011; a visiting professor at the Paris School of International Affairs (PSIA), part of the Paris Institute of Political Studies, since January 2014; and an assistant professor at the Gubkin Russian State University of Oil and Gas since January 2008. Dr. Mitrova was a Visiting Researcher at the King Abdullah Petroleum Studies and Research Center (KAPSARC) from April 2016 to April 2017. She was a member of the board of directors of Unipro PJSC from June 2014 to December 2017 and was a member of its appointment and remuneration committees.

Member, Audit Committee
Chair, Compensation Committee

Indra K. Nooyi, 63, has been a director of the Company since April 2015. She is the former Chairman of PepsiCo, Inc., a global food and beverage company. She was appointed PepsiCo’s Chief Executive Officer in October 2006 and assumed the role of Chairman of PepsiCo’s board of directors in May 2007. In October 2018, Ms. Nooyi stepped down as PepsiCo's CEO, and retired as its Chairman and as a member of PepsiCo's board of directors effective February 1, 2019. Ms. Nooyi was elected to PepsiCo's board of directors and became President and Chief Financial Officer in 2001, after serving as Senior Vice President and Chief Financial Officer since 2000. Ms. Nooyi also was PepsiCo's Senior Vice President, Corporate Strategy and Development from 1996 until 2000, and its Senior Vice President, Strategic Planning from 1994 until 1996. She also serves on the boards of several non-profit entities.

Member, Nominating and Governance Committee
Member, Finance Committee

Lubna S. Olayan, 63, has been a director of the Company since 2011. She is the Chief Executive Officer and deputy chairperson of Riyadh-based Olayan Financing Company, the holding company for The Olayan Group’s operations in the Kingdom of Saudi Arabia and the Middle East. Ms. Olayan is a Principal and a board member of Olayan Investments Company Establishment, the parent company of The Olayan Group, a private multinational enterprise with diverse commercial and industrial operations in the Middle East and an actively managed portfolio of international investments. Since December 2004, she has been a director of Alawwal Bank, becoming the first woman to join the board of a Saudi publicly-listed company. She was elected Vice Chairman in January 2014 and is a member of its executive committee and its nomination and remuneration committee. Ms. Olayan has been a member of the board of directors of Ma’aden, the Saudi Arabian mining company, since April 2016, and is a member of its nomination and remuneration committee. She is a member of numerous international advisory boards.

Member, Finance Committee

Mark G. Papa, 72, has been a director of the Company since October 2018. He has been the Chief Executive Officer and Chairman of the Board of Centennial Resource Development Inc., an independent oil producer, since October 2016. Prior to that, Mr. Papa served as Chief Executive Officer and Chairman of the Board of Silver Run Acquisition Corp. from November 2015 until its business combination with Centennial Resource Production, LLC in October 2016. Mr. Papa is also an advisor to Riverstone Holdings, LLC, a private equity firm specializing in energy investments. Prior to joining Riverstone in February 2015, Mr. Papa was Chairman and CEO of EOG Resources, an independent oil company, from August 1999 to December 2013. Mr. Papa served as a member of EOG’s board of directors from August 1999 until December 2014. He worked at EOG for 32 years in various management positions. Mr. Papa was retired from December 2013 through February 2015. Mr. Papa also served on the board of Oil States International, Inc., an international field services company, from February 2001 to August 2018 and was a member of its compensation and nominating and corporate governance committees. He has served on the board of Casa de Esperanza, a non-profit organization serving children in crisis situations, since November 2006.

Member, Nominating and Governance Committee
Member, Compensation Committee
Chair, Science and Technology Committee

Leo Rafael Reif, 68, has been a director of the Company since 2007. Dr. Reif has been President of the Massachusetts Institute of Technology (MIT) since July 2012, and was its Provost, Chief Academic Officer and Chief Budget Officer from August 2005 to July 2012. Dr. Reif was head of MIT’s Electrical Engineering and Computer Science Department from September 2004 to July 2005, and an Associate Department Head for Electrical Engineering in MIT’s Department of Electrical Engineering and Computer Science from January 1999 to August 2004. Dr. Reif joined the board of directors of Alcoa, Inc. in 2015, and remained on its board until resigning in November 2016 as part of Alcoa’s public spin-off of Arconic Inc., a leading provider of precision-engineered products and solutions. In connection with the spin-off, Dr. Reif was a member of the board of directors of Arconic Inc. from November 2016 to May 2017.

Member, Finance Committee
Member, Nominating and Governance Committee
Member, Science and Technology Committee

Henri Seydoux, 58, has been a director of the Company since 2009. Since 1994, he has been Chairman and Chief Executive Officer of Parrot S.A., a global wireless products manufacturer. Mr. Seydoux is an entrepreneur with great initiative. He founded Parrot S.A. in 1994 as a private company and took it public in 2007. He also serves on the board of directors of Sigfox, a privately-held global communications service provider for the Internet.