JOINT FILING AGREEMENTJoint Filing Agreement • July 11th, 2013 • Serenity Investments, LLC • Security brokers, dealers & flotation companies
The undersigned hereby agree that the Statement on Schedule 13D, dated July 11, 2013 (the “Schedule 13D”), with respect to the Class A common stock, par value $0.01 per share, of KCG Holdings, Inc. is, and any amendments executed by us shall be, filed on behalf of each of us pursuant to and in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, and that this Agreement shall be included as an exhibit to the Schedule 13D and each such amendment. Each of the undersigned agrees to be responsible for the timely filing of the Schedule 13D and any amendments thereto, and for the completeness and accuracy of the information concerning itself contained therein. This Agreement may be executed in any number of counterparts, all of which taken together shall constitute one and the same instrument.
