Officers

Daniel W. Rabun, Chairman, President and Chief Executive Officer

Daniel W. Rabun joined Ensco in March 2006 as President and as a member of the Board of Directors. Mr. Rabun was appointed to serve as our Chief Executive Officer effective January 1, 2007 and elected Chairman of the Board of Directors in May 2007. Prior to joining Ensco, Mr. Rabun was a partner at the international law firm of Baker & McKenzie LLP where he had practiced law since 1986, except for one year when he served as Vice President, General Counsel and Secretary of a company in Dallas, Texas. Mr. Rabun provided legal advice and counsel to us for over fifteen years before joining Ensco and served as one of our directors during 2001. He has been a Certified Public Accountant since 1976 and a member of the Texas Bar since 1983. Mr. Rabun holds a Bachelor of Business Administration Degree in Accounting from the University of Houston and a Juris Doctorate Degree from Southern Methodist University. He served as Chairman of the International Association of Drilling Contractors in 2012.

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

J. Mark Burns joined Ensco in June 2008 and was elected 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 in various international capacities with Noble Corporation (a leading offshore drilling contractor), including his most recent position as Vice President & Division Manager responsible for offshore units located in the Gulf of Mexico. 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, Executive Vice President and Chief Financial Officer

James W. Swent III joined Ensco in July 2003 and was elected 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

Steven J. Brady joined Ensco in December 2002 and was elected 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

David Hensel joined Ensco in 2003 as Director - Marketing. Prior to his current position, he 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. Before joining the Company, 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

John S. Knowlton joined Ensco in June 1998 and was elected to his current position of Senior Vice President—Technical in May 2011. Prior to his current position, Mr. Knowlton served Ensco 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 our first ultra-deepwater semisubmersible, ENSCO 7500. Before 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

P. Carey Lowe joined Ensco in August 2008 and was elected 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 elected 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

Jon 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.

Mark T. Diehl, Vice President – Capital Projects

Mr. Diehl joined Ensco in May 2011 in connection with the acquisition of Pride International and was named to his current position of Vice President – Capital Projects in October 2012. Prior to his current position, Mr. Diehl served as Vice President—Engineering. He was Vice President, Engineering and Technical Support for Pride from 2010 to 2011. Mr. Diehl previously was with BP, where he served in project management and engineering roles for deepwater drilling from 2004 to 2010. From 1982 to 2003 he worked for Transocean in a number of different positions both domestically and internationally. Mr. Diehl holds a degree in Mechanical Engineering from Texas A&M University and a degree in Physics from Sam Houston State University.

Michael B. Howe , Vice President – Human Resources

Michael Howe joined the Company in February 2009 and was named 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. He previously served the company as Treasurer. Before joining Ensco he 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

Brady K. Long joined Ensco in May 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 served as Vice President, Chief Compliance Officer and Deputy General Counsel with Pride from 2005 to 2009. Mr. Long previously practiced corporate and securities law for BJ Services Company and 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

Gilles Luca joined Ensco in June 1997 and was named 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

Douglas J. Manko joined Ensco in May 2004 and was named 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.

Sachin Mehra, Vice President – Asset Management

Mr. Mehra joined Ensco in July 2009 and was named to his current position as Vice President – Asset Management in October 2012. Prior to his current position he was Director – Sustaining Shipyard Projects. Before joining Ensco he 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.

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.

Richard Roper, Vice President – Engineering

Mr. Roper joined Ensco in 2002 and was named to his current position as Vice President – Engineering in October 2012. Prior to his current position he 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 he 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.

Paul Wildberger, Vice President – Safety, Health and Environment

Paul Wildberger has been with Ensco since 1997 and was named to his current position in August 2012. Prior to his current position he served in various technical leadership positions from 1997 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.

Robert W. Edwards, III, Controller

Robert W. Edwards, III, joined Ensco in September 2007 and was elected 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.