INVESTOR PRESENTATION Quest Resource Holding Corporation (NASDAQ: QRHC) March 2022 NATIONAL PROVIDER OF WASTE & RECYCLING SOLUTIONS © 2022 Quest Resource Holding Corporation. Copying, publication or redistribution outside of Quest is strictly prohibited. SEC SAFE HARBOR The statements contained in this Investor Presentation that are not purely historical are forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act ...