EXHIBIT A JOINT FILING AGREEMENTJoint Filing Agreement • July 23rd, 2018 • 683 Capital Management, LLC • Pharmaceutical preparations
The undersigned hereby agree that the statement on Schedule 13G with respect to the Common Stock of SELLAS Life Sciences Group Inc. dated as of July 23, 2018 is, and any further amendments thereto signed by each of the undersigned shall be, filed on behalf of each of the undersigned pursuant to and in accordance with the provisions of Rule 13d-1(k)(2) under the Securities Exchange Act of 1934, as amended.
