OpGen, Inc. Non-Employee Director Compensation Policy (Post-IPO)

This document outlines the compensation policy for non-employee directors of OpGen, Inc. following the company's initial public offering. Non-employee board members will receive an annual cash retainer of $25,000, annual stock option grants of 12,500 shares, and an initial stock option grant of 30,000 shares. Additional compensation is provided for serving as a chair or member of the Audit, Compensation, or Nominating & Corporate Governance Committees. The policy specifies the amounts for each role and will take effect after the IPO closes.