New Mexico ShelfAt year-end 2012, the Company had identified 2,083 locations on the New Mexico Shelf, with proved reserves attributed to 616 of such locations. Of these 2,083 drilling locations, 1,044 locations target the Yeso formation vertically and 676 locations targeting the Yeso formation horizontally. Delaware Basin At year-end 2012, the Company had identified 4,212 drilling locations in the northern Delaware Basin, an increase of over 2,300 drilling locations since year-end 2011, with proved reserves attributed to 246 of such locations. These locations include 2,462 targeting the Bone Spring sands, 1,016 targeting the Avalon shale and 734 targeting other formations. Concho has not included any potential drilling locations across its approximately 147,000 gross (128,000 net) acres in the southern Delaware Basin. The Company’s net production in the fourth quarter of 2012 from horizontal Delaware Basin wells averaged approximately 21,100 barrels of oil equivalent per day (“Boepd”) an increase of 92% over the fourth quarter of 2011 and an increase of 32% over the third quarter of 2012. Texas Permian At year-end 2012, the Company had identified 5,974 drilling locations, with proved reserves associated with 1,464 of such locations. Of these 5,974 drilling locations, 1,955 target the Wolfberry play on 40-acre spacing, 2,486 target the Wolfberry play on 20-acre spacing, 1,410 target the shallow Wolfcamp vertically and the remaining drilling locations target other objectives. Derivative Update The Company maintains an active hedging program and has added to its derivative positions. In addition to the incremental crude oil swaps, Concho has added basis swaps that limit the Company’s exposure to the Midland-to-Cushing differential. Concho has hedged 9.0 MMBbls of the basis differential at an average price of ($1.23) per Bbl from April 2013 to December 2013. Please see the “Derivatives Information” table at the end of this press release for more detailed information about the Company’s current derivative positions. Credit Facility At December 31, 2012, the Company had borrowings outstanding under its credit facility of $304.0 million, and the availability under the credit facility was approximately $2.2 billion.