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: May 14, 2015
HARRIS & HARRIS GROUP, INC. | |||
By: | /s/ Daniel B. Wolfe | ||
Name: Daniel B. Wolfe | |||
Title: Chief Operating Officer | |||
By: | /s/ Daniel B. Wolfe | ||
Daniel B. Wolfe | |||
By: | /s/ Douglas W. Jamison | ||
Douglas W. Jamison | |||
By: | /s/ Alexei Andreev | ||
Alexei Andreev | |||
By: | /s/ Misti Ushio | ||
Misti Ushio | |||