Carl Trowell , President and Chief Executive Officer

Mr. Trowell joined Ensco in June 2014 as President and Chief Executive Officer. 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. He 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 is on the advisory board of Energy Ventures, a venture capital company investing in oil and gas technology. Mr. Trowell has a PhD in Earth Sciences from the University of Cambridge, a Bachelor Science degree in Geology from Imperial College London and a Master of Business Administration from The Open University.

P. Carey Lowe , Executive Vice President and Chief Operating Officer

P. Carey Lowe joined Ensco in 2008 and serves as Executive Vice President and Chief Operating Officer. Prior to being appointed Chief Operating Officer in December 2015, Mr. Lowe served Ensco as Executive Vice President overseeing investor relations and communications, strategy and human resources. Prior to serving as Executive Vice President, he served Ensco as Senior Vice President - Eastern Hemisphere and 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.

Jon Baksht , Senior Vice President and Chief Financial Officer

Jonathan Baksht joined Ensco in 2013 and was appointed to his current position of Senior Vice President – Chief Financial Officer in November 2015. Prior to his current position, Mr. Baksht served as Vice President – Finance and Vice President — Treasurer. Prior to joining Ensco, Mr. Baksht served as Senior Vice President – Investment Banking with Goldman Sachs & Co. Prior to joining Goldman Sachs in 2006, he also consulted on strategic initiatives for energy clients at Andersen Consulting. Mr. Baksht holds a Master of Business Administration from the Kellogg School of Management at Northwestern University and a Bachelor of Science in Electrical Engineering from the University of Texas at Austin.

Steven J. Brady , Senior Vice President – Eastern Hemisphere

Steven J. Brady joined Ensco in 2002 and was appointed to his current position of Senior Vice President – Eastern Hemisphere in December 2014. Prior to his current position, Mr. Brady served as Senior Vice President - Western Hemisphere, 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 of Science Degree in Petroleum Engineering from Mississippi State University.

John S. Knowlton , Senior Vice President – Technical

John S. Knowlton joined Ensco in 1998 and was appointed 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 rig, 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.

Gilles Luca , Senior Vice President – Western Hemisphere

Gilles Luca joined Ensco in 1997 and was appointed to his current position of Senior Vice President - Western Hemisphere in December 2014. Prior to his current position, Mr. Luca was Vice President - Business Development and Strategic Planning, Vice President - Brazil Business Unit and General Manager - Europe and Africa. Before 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 Degree in Petroleum Engineering from the French Petroleum Institute and a Bachelor in Civil Engineering.

Michael T. McGuinty , Senior Vice President – General Counsel and Secretary

Mr. McGuinty joined Ensco in February 2016 as Senior Vice President – General Counsel and Secretary. Prior to joining Ensco, Mr. McGuinty served as General Counsel and Company Secretary of Abu Dhabi National Energy Company. Previously, Mr. McGuinty spent 18 years with Schlumberger where he held various senior legal management positions in the United States, Europe and the Middle East including Director of Compliance, Deputy General Counsel - Corporate and M&A and Director of Legal Operations. Prior to Schlumberger, Mr. McGuinty practiced corporate and commercial law in Canada and France. Mr. McGuinty holds a Bachelor of Laws and Bachelor of Civil Law from McGill University and a Bachelor of Social Sciences from the University of Ottawa.

Maria C. Silva , Vice President – Human Resources

Ms. Silva joined Ensco in December 2013 and was appointed to her current position of Vice President - Human Resources in December 2014 with business development responsibilities for Latin America added in 2016. Previously she served as Global HR Director – Business Operations. Prior to joining the Company, Ms. Silva spent 20 years in several human resources and managerial roles for The Dow Chemical Company in Colombia, Brazil, China and the U.S. Ms. Silva holds a Bachelor of Science in Industrial Engineering from Universidad de Los Andes and a Master in Strategic Marketing from CESA – Colegio de Estudios Superiores de Administracion in Bogota, Colombia.