X0306 4 2018-07-19 false 0001358071 CONCHO RESOURCES INC CXO 0001280499 BRIDWELL TUCKER S 400 PINE STREET, SUITE 1000 ABILENE TX 79601 true false false false Common Stock 2500 I See Footnote Common Stock 2018-07-19 4 A false 19200 148.27 A 41467 D The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose. These securities are owned directly by a partnership, of which the reporting person is the manager of its general partner. On July 19, 2018, pursuant to the Agreement and Plan of Merger dated as of March 27, 2018 (the "Merger Agreement"), by and among Concho Resources Inc. ("Concho"), Green Merger Sub Inc. ("Merger Sub") and RSP Permian, Inc. ("RSP"), Merger Sub merged with and into RSP (the "Merger"), with RSP surviving the Merger as a wholly-owned subsidiary of Concho. Pursuant to the Merger Agreement, each share of RSP common stock issued and outstanding immediately prior to the effective time of the Merger was converted into the right to receive 0.320 of a share of Concho common stock. On July 19, 2018, the closing price of one share of Concho common stock was $148.27. /s/ Travis L. Counts, as attorney-in-fact 2018-08-31