Exhibit 1
Joint Filing Agreement
The undersigned hereby agree that a single Schedule 13D (or any amendment thereto) relating to the Common Stock of OpGen, Inc. shall be filed on behalf of each of the undersigned and that this Agreement shall be filed as an exhibit to such Schedule 13D.
Dated: August 31, 2016
HARRIS & HARRIS GROUP, INC.
By: /s/ Daniel B. Wolfe
Name: Daniel B. Wolfe
Title: President
/s/ Daniel B. Wolfe
Daniel B. Wolfe
/s/ Douglas W. Jamison
Douglas W. Jamison
