X0306 4 2019-04-15 false 0001358071 CONCHO RESOURCES INC CXO 0001086699 GRAY STEVEN D ONE CONCHO CENTER 600 W. ILLINOIS AVE. MIDLAND TX 79701 true false false false Common Stock 186039 D Common Stock 2019-04-15 4 S false 4500 115 D 67824 I See Footnote The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 12, 2019. 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 by a trust, of which the reporting person is the sole trustee and his children are the only beneficiaries. /s/ Travis L. Counts, as attorney-in-fact 2019-04-16