Tranche Update on Quintana Energy Services Inc.'s Equity Buyback Plan announced on August 8, 2018.

Quintana Energy Services Inc. is a provider of oilfield services to onshore oil and natural gas throughout the United States. The Company's business segments include Directional Drilling Services, Pressure Pumping Services, Pressure Control Services, and Wireline Services. The Directional Drilling Services enable efficient drilling and guidance of the horizontal section of a wellbore are using its technologically-advanced fleet of downhole motors and 117 MWD kits. The Pressure Pumping Services, which includes hydraulic fracturing, cementing and acidizing services, and such services are supported by a pressure pumping fleet of 236,125 HHP. The Wireline Servicesincludes 50 wireline units providing a range of pump-down services in support of unconventional completions, and cased-hole wireline services enabling reservoir characterization.