X0306 4 2020-03-18 0 0001442236 Quest Resource Holding Corp QRHC 0001663269 Hatch S. Ray 3481 PLANO PARKWAY THE COLONY TX 75056 1 1 0 0 President and CEO Common Stock 2020-03-18 4 A 0 15874 1.26 A 15874 D Common Stock 15590 D The reported securities represent deferred stock units granted under the Issuer's 2012 Incentive Compensation Plan. The shares of common stock underlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer. These shares represent shares of common stock of the Issuer held by the Reporting Person. /s/ Laurie L. Latham, as Attorney-in-Fact 2020-03-23