Corporate Officers

Carl Trowell, Chief Executive Officer and President

Mr. Trowell joined Ensco in June 2014 as Chief Executive Officer and President. He is also a member of the Board of Directors. Prior to joining Ensco, Mr. Trowell was President of Schlumberger Integrated Project Management (IPM) and Schlumberger Production Management (SPM) businesses that provide complex oil and gas project solutions ranging from field management, well construction, production and intervention services to well abandonment and rig management. Mr. Trowell was promoted to this role after serving as President – Schlumberger WesternGeco Ltd. where he managed more than 6,500 employees with operations in 55 countries. Mr. Trowell began his professional career as a petroleum engineer with Shell before joining Schlumberger where he held a variety of international management positions including Geomarket Manager for North Sea operations and global Vice President of marketing and sales. He has a strong background in the development and deployment of new technologies and has been a member of several industry advisory boards in this capacity. Mr. Trowell has a PhD in Earth Sciences from the University of Cambridge, a BSc degree in Geology from Imperial College London and an MBA from The Open University.

J. Mark Burns, Executive Vice President and Chief Operating Officer

Mr. Burns joined Ensco in June 2008 and was appointed Executive Vice President and Chief Operating Officer in September 2012. Prior to his current position, Mr. Burns served Ensco as Senior Vice President—Western Hemisphere, Senior Vice President and as President of ENSCO Offshore International Company, a subsidiary of Ensco. Prior to joining Ensco, Mr. Burns served as Vice President & Division Manager responsible for offshore units located in the Gulf of Mexico and in various international capacities with Noble Corporation. In 2007, Mr. Burns was named IADC Drilling Contractor of the Year. Mr. Burns holds a Bachelor of Arts Degree in Business and Political Science from Sam Houston State University.

Jay W. Swent III, Executive Vice President and Chief Financial Officer

Mr. Swent joined Ensco in July 2003 and was appointed Executive Vice President and Chief Financial Officer in July 2012. Prior to his current position, Mr. Swent served as Senior Vice President—Chief Financial Officer. Prior to joining Ensco, Mr. Swent served as Co-Founder and Managing Director of Amrita Holdings, LLC since 2001. Mr. Swent previously held various financial executive positions in the information technology, telecommunications and manufacturing industries, including positions with Memorex Corporation and Nortel Networks. He served as Chief Financial Officer and Chief Executive Officer of Cyrix Corporation from 1996 to 1997 and Chief Financial Officer and Chief Executive Officer of American Pad and Paper Company from 1998 to 2000. Mr. Swent holds a Bachelor of Science Degree in Finance and a Master Degree in Business Administration from the University of California at Berkeley.

Steven J. Brady, Senior Vice President – Western Hemisphere

Mr. Brady joined Ensco in December 2002 and was appointed to his current position of Senior Vice President – Western Hemisphere in August 2012. Prior to his current position, Mr. Brady served as Vice President – Europe and Mediterranean, General Manager – Middle East and Asia Pacific, and in other leadership positions in the Eastern Hemisphere. Prior to joining Ensco, Mr. Brady spent 18 years in various technical and managerial roles for ConocoPhillips in locations around the world. Mr. Brady holds a bachelor’s degree in Petroleum Engineering from Mississippi State University.

David Hensel, Senior Vice President – Marketing

Mr. Hensel joined Ensco in 2003 was appointed to his current position of Senior Vice President – Marketing in January 2014. Prior to his current position, Mr. Hensel served as Vice President – North and South America (excluding Brazil), General Manager - Administration and Marketing in the Deepwater Business Unit, and General Manager - Europe and Africa Business Unit, and Director - Marketing. Prior to joining Ensco, Mr. Hensel served in various senior management positions with Helmerich & Payne International Drilling and Nabors Industries. Mr. Hensel holds a Masters of Business Administration degree in Finance from Rice University and a Bachelor Degree in Materials and Logistic Management from Michigan State University.

John S. Knowlton, Senior Vice President – Technical

Mr. Knowlton joined Ensco in June 1998 and was appointed to his current position of Senior Vice President — Technical in May 2011. Prior to his current position, Mr. Knowlton served as Vice President—Engineering & Capital Projects, General Manager—North & South America, Operations Manager—Asia Pacific Rim, and Operations Manager overseeing the construction and operation of Ensco's first ultra-deepwater semisubmersible. Prior to joining Ensco, Mr. Knowlton served in various domestic and international capacities with Ocean Drilling & Exploration Company and Diamond Offshore Drilling, Inc. Mr. Knowlton holds a Bachelor of Science Degree in Civil Engineering from Tulane University.

P. Carey Lowe, Senior Vice President – Eastern Hemisphere

Mr. Lowe joined Ensco in August 2008 and was appointed to his current position of Senior Vice President — Eastern Hemisphere in May 2011. Prior to his current position, Mr. Lowe served Ensco as Senior Vice President with responsibilities including the Deepwater Business Unit, safety, health and environmental matters, capital projects, engineering and strategic planning. Prior to joining Ensco, Mr. Lowe served as Vice President—Latin America for Occidental Oil & Gas. He also served as President & General Manager, Occidental Petroleum of Qatar Ltd. from 2001 to 2007. Mr. Lowe held various drilling-related management positions with Sedco Forex and Schlumberger Oilfield Services from 1980 to 2000, including Business Manager—Drilling, North and South America and General Manager—Oilfield Services, Saudi Arabia, Bahrain and Kuwait. Following Schlumberger, he was associated with a business-to-business e-procurement company until he joined Occidental during 2001. Mr. Lowe holds a Bachelor of Science Degree in Civil Engineering from Tulane University.

David A. Armour , Vice President – Tax

Mr. Armour joined the Company in October 1990 and was appointed Vice President - Tax in May 2011. Prior to his current position, Mr. Armour served as Vice President - Finance, and as Controller, and Assistant Controller. From 1981 to 1990, Mr. Armour served in various capacities as an employee of the public accounting firm Deloitte & Touche LLP, and its predecessor firm, Touche Ross & Co. Mr. Armour holds a Bachelor of Business Administration Degree from The University of Texas at Austin.

Jon Baksht, Vice President and Treasurer

Mr. Baksht joined Ensco in August 2013 as Vice President and Treasurer. Previously, Mr. Baksht was Senior Vice President – Investment Banking with Goldman Sachs & Co. where he coordinated the firm’s global oilfield services market coverage and advised on mergers and acquisitions, and corporate financings. Prior to joining Goldman Sachs in 2006, he consulted on strategic initiatives to energy clients for Andersen Consulting. Mr. Baksht holds a Masters of Business Administration degree from the Kellogg School of Management at Northwestern University and a Bachelor of Science degree in Electrical Engineering from the University of Texas at Austin.

Michael B. Howe , Vice President – Human Resources

Mr. Howe joined the Company in February 2009 and was appointed to his current position of Vice President – Human Resources in November 2012. Prior to his current position, Mr. Howe had been Vice President – Finance since May 2011 and earlier served as Treasurer. Before joining Ensco, Mr. Howe was Assistant Treasurer at Devon Energy Corp. He also held positions in various capacities at Enron Corp., BG Group PLC and Arthur Andersen. Mr. Howe holds a Bachelor of Science Degree in Accounting from Oklahoma State University and a Master of Business Administration from the University of Texas at Austin.

Brady K. Long, Vice President – General Counsel and Secretary

Mr. Long joined Ensco in 2011 as Vice President - General Counsel and Secretary in connection with the acquisition of Pride. Prior to joining Ensco, Mr. Long served as Vice President – General Counsel and Secretary with Pride from 2009 to 2011. He joined Pride in 2005 as Assistant General Counsel and served as Chief Compliance Officer from 2006 to 2009. Mr. Long previously practiced corporate and securities law for BJ Services Company and with the law firm of Bracewell & Giuliani LLP. He holds a Bachelor of Arts Degree from Brigham Young University and a Juris Doctorate Degree from The University of Texas School of Law.

Gilles Luca, Vice President – Business Development and Strategic Planning

Mr. Luca joined Ensco in June 1997 and was appointed Vice President – Business Development and Strategic Planning in September 2013. Prior to his current position, Mr. Luca was Vice President – Brazil Business Unit. His previous experience encompasses operations in nearly every Ensco business unit around the world, including serving as General Manager - Europe and Africa; Operations Manager in Asia Pacific; and Rig Manager in both Asia Pacific and the North Sea. Prior to joining Ensco as an Operations Engineer in the Netherlands, Mr. Luca was employed by Foramer Drilling and Schlumberger with assignments in France and Venezuela. He holds a Master’s degree in Petroleum Engineering from the French Petroleum Institute and a Bachelor’s degree in Civil Engineering.

Douglas J. Manko , Vice President – Finance

Mr. Manko joined Ensco in May 2004 and was appointed to his current position of Vice President – Finance in November 2012. Prior to his current position, Mr. Manko served as Controller beginning in September 2008 and earlier as Director – Management Systems and Manager – Accounting Public Reporting. From 1996 to 2004, Mr. Manko served in various capacities as an employee of the public accounting firm Ernst & Young LLP. Mr. Manko holds a Bachelor of Arts Degree in Business Administration from Baldwin Wallace College.

Sean P. O'Neill , Vice President – Investor Relations and Communications

Mr. O’Neill joined the Company in May 2009 as Vice President-Investor Relations. He has held similar positions at two Fortune 500 Companies and was managing director of strategic investor relations consulting at Thomson Financial (Thomson Reuters). Mr. O’Neill holds a Bachelor of Science in Finance from Fairfield University and a Masters of Business Administration from DePaul University, Kellstadt Graduate School of Business. Mr. O’Neill is a member of DePaul University’s Finance Advisory Board.

Robert W. Edwards, III, Controller

Mr. Edwards joined Ensco in September 2007 and was appointed to his current position of Controller in November 2012. Prior to his current position, he served as Director - Corporate Accounting, Director of Finance and Administration - Deepwater Business Unit and Manager - Accounting Public Reporting. From 2001 to 2007, Mr. Edwards served in various capacities as an employee in the audit practice at Deloitte & Touche LLP. Mr. Edwards holds a Bachelor of Science Degree in Business Administration and a Masters Degree in Accounting from Trinity University in San Antonio, TX.

Kwesi A. Baiden, Chief Compliance Officer

Mr. Baiden joined Ensco in May 2011 and was appointed to his current position of Chief Compliance Officer in September 2013. Prior to his current position, Mr. Baiden was Senior Legal Counsel for Ensco’s Middle East and Africa Business Unit and Global Supply Chain functions. Prior to joining Ensco, Mr. Baiden was Chief Counsel for Global Corporate Affairs and earlier, Corporate Division Counsel with Pride from 2008. Mr. Baiden previously practiced Mergers and Acquisitions and Corporate Finance law with the law firms of Skadden, Arps, Slate Meagher & Flom LLP and Weil, Gotshal & Manges LLP, both in New York city, and later at Winston & Strawn LLP in San Francisco. Mr. Baiden holds a JD and an LLM from the Columbia University School of Law in New York City and an LLB from the University of Ghana.

Elizabeth A. Cook, Chief Counsel – Corporate and Secretary

Ms. Cook joined Ensco in 2013 as Senior Counsel, was subsequently named Chief Counsel – Corporate in 2013 and was appointed to her current position as Secretary in 2014. Prior to joining Ensco, Ms. Cook practiced corporate and securities law as Assistant General Counsel with FMC Technologies and as Senior Counsel with ConocoPhillips. Ms. Cook previously practiced tax, corporate and securities law with the law firms of Clifford Chance and Ropes & Gray, both in New York, and with Locke Lord in New Orleans. She also served in the administration of President George H. W. Bush as Chief Counsel to the OSHA Review Commission. She holds a Bachelor of Arts Degree from Tulane University and a Juris Doctorate Degree from The University of Virginia School of Law.

Operations and Marketing Officers

Julian Hall, Vice President – Europe & Mediterranean Business Unit

Mr. Hall joined Ensco in July 1987 and was appointed to his current position as Vice President – Europe & Mediterranean Business Unit in July 2012. Prior to his current position, Mr. Hall served as Operations Manager. Mr. Hall has predominantly spent his career with Ensco and held multiple onshore management positions in the Netherlands, Denmark and Tunisia since 2004. He started his career working offshore.

Christopher M. Johnston, Vice President – North & South America (excluding Brazil)

Mr. Johnston joined Ensco in May 2011 and was appointed to his current position as Vice President - North & South America Business Unit in 2014. Prior to his current position, Mr. Johnston served as General Manager - Deepwater. Prior to joining Ensco, Mr. Johnston held multiple positions at Pride International including Vice President and Managing Director of North America, Regional Vice President - U.S. Gulf of Mexico and Mexico and General Manager - U.S. Gulf of Mexico. Mr. Johnston also held various rig and office based management positions including international assignments in Western Siberia, Latin America, Indonesia, Cabinda, and Chad. Mr. Johnston joined Pride International in 1990 in the U.S. well servicing operation.

Derek J. Kent, Vice President – Middle East and Africa Business Unit

Mr. Kent joined Ensco in 1998 and was appointed Vice President – Middle East and Africa Business Unit in 2012. Prior to his current position, Mr. Kent served in various capacities including Vice President - Safety, Health & Environment, General Manager for the Deepwater Business Unit located in both Houston and Singapore, Operations Manager in North & South America Business Unit and Rig Manager for a number of Ensco rigs. Before joining the Ensco, Mr. Kent worked in various management positions with Sedco Forex in England, Scotland, Nigeria, Gabon, Congo and Angola. Mr. Kent holds a Bachelor of Science Degree with honors in Petroleum Engineering from Montana College of Mineral Science & Technology.

Sachin Mehra, Vice President – Asset Management

Mr. Mehra joined Ensco in July 2009 and was appointed to his current position as Vice President – Asset Management in October 2012. Prior to his current position, Mr. Mehra was Director – Sustaining Shipyard Projects. Prior joining Ensco, Mr. Mehra was with Premium Drilling from 2006 to 2009 as Director – Projects and Technical; prior to that he spent 19 years with Transocean and its predecessor Sedco Forex Schlumberger in domestic and international project management, construction, engineering, and operations roles. Mr. Mehra holds a degree in Mechanical Engineering from the Indian Institute of Technology in New Delhi, India.

Tom W. Morin, Vice President – Asia & Pacific Rim

Mr. Morin joined Ensco in October 1988 and was appointed Vice President - Asia & Pacific Rim in May 2011. Prior to his current position, Mr. Morin held various management positions including Drilling Superintendent, Rig Manager, Manager – Operations and Senior Manager – Operations. Mr. Morin has worked in the following countries with Ensco, Holland, Australia, Qatar, United Arab Emirates and Singapore. Prior to joining Ensco, Mr. Morin worked in a variety of assignments with Sedco and Challenger throughout various countries.

Richard Roper, Vice President – Engineering

Mr. Roper joined Ensco in 2002 and was appointed to his current position as Vice President – Engineering in October 2012. Prior to his current position, Mr. Roper was Senior Director – Capital Projects. Previous roles within Ensco include General Manager – Capital Projects and Director – Engineering Applications, Structural and Marine. Prior to joining Ensco, Mr. Roper was Chief Naval Architect with Bennett & Associates; he held earlier naval architecture positions with Bennett and with Friede & Goldman. Mr. Roper holds a degree in Naval Architecture and Marine Engineering from the University of New Orleans.

Simon Watson, Vice President – Brazil Business Unit

Mr. Watson joined Ensco in 2010 and was appointed to Vice President – Brazil Business Unit in 2013. Prior to his current position, Mr. Watson served in various capacities including Senior Operations Manager – Aberdeen, Core Value Team Lead and General Manager – Angola. Prior to joining Ensco, Mr. Watson worked in various management positions with Transocean in the UK, Libya, Brazil, United States, Singapore and Italy. Mr. Watson holds an HND in Electrical and Electronic engineering from Milton Keynes Technical and the Open University.

Paul Wildberger, Vice President – Safety, Health and Environment

Mr. Wildberger joined Ensco in 1997 and was named to his current position in August 2012. Prior to his current position, Mr. Wildberger served in various technical leadership positions until becoming the General Manager – Capital Projects in 2005. In that role, he led the design, construction and delivery of the ENSCO 8500 Series® fleet. He was named General Manager – North and South America Business Unit in 2010. Prior to joining Ensco, he spent 16 years with Sedco Forex and its predecessor SEDCO. Mr. Wildberger holds a Bachelor of Science Degree in Maritime System Engineering from Texas A&M University at Galveston.

Jan van Bohemen , Vice President Marketing - Eastern Hemisphere

Mr. Bohemen joined Ensco in August 2003 and was appointed to his current position as Vice President Marketing - Eastern Hemisphere in January 2014. Prior to his current position, Mr. Bohemen served as Vice President Marketing and Contracts for international jackup rigs and in various other leadership positions. Prior to joining Ensco, Mr. Bohemen spent over 12 years in various operational and marketing managerial roles for Schlumberger in locations around the world. Mr. Bohemen holds a Masters of Science degree in Petroleum Engineering from Delft Technical University in The Netherlands.

Mike Roth, Vice President Marketing – Western Hemisphere

Mr. Roth joined Ensco in 2008 and was appointed to his current position as Vice President Marketing – Western Hemisphere in January 2014. Prior to his current position, Mr. Roth was Director - Marketing and Contracts in the company’s deepwater business unit. Before joining Ensco, Mr. Roth was Director of Worldwide Contracts and held various worldwide marketing positions at Transocean and its predecessors since 1985. He has over 37 years of offshore drilling marketing experience and was Chairman of the Contracts Committee of the International Association of Drilling Contractors (IADC) from 2000 to 2005. He holds a Bachelors of Science degree in Business Administration from Louisiana State University and completed the Program for Manager Development at Duke University Fuqua School of Business.