OpGen, Inc. Underwritten Unit and Pre-Funded Unit Offering

Represented H.C. Wainwright & Co., LLC as underwriter in a firm commitment underwritten offering of units and pre-funded units by OpGen, Inc., with each unit consisting of one share of common stock and a warrant to purchase one share of common stock, and each pre-funded unit consisting of a pre-funded warrant to purchase one share of common stock and a warrant to purchase one share of common stock.