Member, Compensation Committee
Chair, Nominating and Governance Committee

Peter L.S. Currie, 61, has been a director of the Company since 2010, and is the Board’s Lead Independent Director. Mr. Currie was the lead independent director at Twitter, Inc., where he chaired both its audit committee and its nominating and governance committee, having served on its board from November 2010 to May 2016. He 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 previously 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 Galuccio, 49, has been a director of the Company since 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, including YPF International, from 1994 to 1999.

Chair, Audit Committee
Member, Finance Committee

V. Maureen Kempston Darkes, 69, 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 until her retirement in 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 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, 50, has been a director of the Company since 2011 and Chairman of the Board 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 US.

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

Nikolay Kudryavtsev, 67, has been a director of the Company since 2007. Mr. Kudryavtsev has been the Rector of the Moscow Institute of Physics and Technology since June 1997. He has also 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.

Member, Audit Committee
Member, Finance Committee

Helge Lund, 55, has been a director of the Company since 2016. He is an Operating Advisor for the investment firm Clayton, Dubilier & Rice, a private equity investment firm since September 2016. He was the Chief Executive Officer of BG Group plc from February 2015 through February 2016. From August 2004 to October 2014, he was the Chief Executive Officer of Statoil ASA, an international oil and gas company. Prior to Statoil, Mr. Lund served as President and Chief Executive Officer of Aker Kvaerner, an industrial conglomerate with operations on oil and gas, engineering and construction, pulp and paper, and shipbuilding. He served on the board of directors of Nokia from 2011 through 2014, and on the board of directors of Novo Nordisk from 2014 to 2015, and was reelected to that board in 2017. He also joined the board of Belron S.A., a private glass repair company, in February 2018.

Member, Audit Committee

Michael E. Marks, 66, 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 a 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
Chair, Compensation Committee

Indra K. Nooyi, 62, has been a director of the Company since April 2015. She is the Chairman and Chief Executive Officer of PepsiCo, Inc., a global food and beverage company. She was named President and CEO in 2006, and assumed the additional role of Chairman of PepsiCo’s board of directors in 2007. She 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. Mrs. Nooyi also served as PepsiCo’s Senior Vice President, Corporate Strategy and Development from 1996 until 2000, and as its Senior Vice President, Strategic Planning from 1994 until 1996. She serves on several nonprofit boards of directors and is a member of the Temasek Americas Advisory Panel, an investment company owned by the government of Singapore.

Member, Nominating and Governance Committee
Member, Finance Committee

Lubna S. Olayan, 62, 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 non-executive director and member of numerous international advisory boards. Ms. Olayan served as a non-executive director of WPP plc, a multinational communication services company, from March 2005 to June 2012, and was a member of its nomination committee.

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

Leo Rafael Reif, 67, has been a director of the Company since 2007. Mr. 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. Mr. 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. Mr. 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, Mr. Reif was a member of the board of directors of Arconic Inc. from November 2016 to May 2017.

Chair, Finance Committee
Member, Nominating and Governance Committee

Tore I. Sandvold, 69, has been a director of the Company since 2004. He has been executive Chairman of Sandvold Energy AS, an advisory company in the oil and energy industry, since September 2002. Mr. Sandvold is a director of Rowan Companies plc (since 2013), a provider of international and domestic contract drilling services, where he serves on its audit committee and its health, safety and environment committee. He has also been a member, since 2003, of the board of directors of Teekay Corporation, a leading provider of international crude oil and petroleum product transportation services, where he serves on its nominating and governance committee. From 1990 to 2001, Mr. Sandvold served as Director General of the Norwegian Ministry of Oil & Energy, with overall responsibility for Norway’s national and international oil and gas policy. From 2001 to 2002, he was executive Chairman of Petoro AS, the Norwegian state-owned oil company. He also served as Chairman of Misen Energy AB, a Swedish upstream oil and gas company from December 2011 to November 2014, and was its acting Chief Executive Officer from September 2012 to May 2014.

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

Henri Seydoux, 56, has been a director of the Company since 2009. Mr. Seydoux has been Chairman and Chief Executive Officer of Parrot S.A., a global wireless products manufacturer, since 1994. 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 serves on the board of directors of Sigfox, a privately-held global communications service provider for the Internet.