Concho Resources Appoints John Surma to Board of Directors and Names Jack Harper Executive Vice President

  Concho Resources Appoints John Surma to Board of Directors and Names Jack   Harper Executive Vice President  Business Wire  MIDLAND, Texas -- March 21, 2014  Concho Resources Inc. (NYSE: CXO) (the “Company”) today announced that John Surma has been appointed to the Company’s Board of Directors and that Jack Harper has rejoined the Company as Executive Vice President.  Mr. Surma joins the Company’s Board of Directors after recently retiring as Chairman and Chief Executive Officer of United States Steel Corporation. Mr. Surma will serve on the Company’s Audit Committee and Reserves Committee. He is currently a member of the boards of directors of Marathon Petroleum Corporation, Ingersoll-Rand plc and MPLX GP LLC, the general partner of MPLX LP. Additionally, Mr. Surma is on the boards of directors of the Federal Reserve Bank of Cleveland and the National Safety Council. He was appointed by President Barack Obama to the President’s Advisory Committee for Trade Policy and Negotiations and serves as its vice chairman. Prior to joining United States Steel, Mr. Surma served in several executive positions with Marathon Petroleum Corporation and as a Partner with Price Waterhouse LLP. Mr. Surma earned a Bachelor of Science degree in accounting from Pennsylvania State University.  Mr. Harper served as the Company’s Senior Vice President and Chief of Staff from November 2010 to January 2013. Mr. Harper joined the Company in July 2006 as Director of Investor Relations and Business Development and became Vice President — Business Development and Capital Markets in October 2007. Prior to joining the Company, Mr. Harper served in various capacities relating to finance, investor relations and business development at Unocal Corporation, Pure Resources, Inc. and Tom Brown, Inc. He is a graduate of Baylor University with a Bachelor of Business Administration degree in Finance.  Tim Leach, Chairman of the Board of Directors, Chief Executive Officer and President, commented, “Jack was a key part of Concho’s growth from our initial public offering in 2007 through 2013. We are proud he’s once again an integral member of our team bringing his financial expertise and strategic insight to the management of the Company’s business. Additionally, John Surma’s broad experience successfully running large, sophisticated energy and industrial companies will facilitate him being a strong contributor to our Board of Directors. With these additions, I am even more enthusiastic about Concho’s positioning and look forward to working with both Jack and John as we embark on the next phase of the Company’s growth.”  About Concho Resources Inc.  Concho Resources Inc. is an independent oil and natural gas company engaged in the acquisition, development and exploration of oil and natural gas properties. The Company’s operations are focused in the Permian Basin of Southeast New Mexico and West Texas. For more information, visit Concho Resources Inc.’s website at www.concho.com.  Contact:  Concho Resources Inc. Price Moncrief, 432-683-7443 Vice President of Capital Markets and Strategy