Tranche Update on Concho Resources Inc.'s Equity Buyback Plan announced on September 3, 2019.

Concho Resources specializes in the exploration and production of oil and natural gas. The activity is carried out primarily in the regions of New Mexico (Permian Basin) and Texas (Delaware Basin and Midland Basin). Net sales break down by activity as follows: - oil production (82.9%): 61.2 million barrels produced in 2018; - natural gas production (17.1%): 5.9 billion m3 products.