QUESTAR MARKET RESOURCES

(Based on Use in Commerce) operating oil and gas wells for others

(Based on Use in Commerce) brokerage of energy, namely, natural gas and crude oil

(Based on Use in Commerce) drilling and completing oil and gas wells; equipping oil and gas wells, namely, installing casing, tubing, and pipes into oil and gas wells; oil well drilling and pumping

(Based on Use in Commerce) natural gas gathering, transporation and storage

(Based on Use in Commerce) oil and gas treatment and processing