JOINT FILING AGREEMENTJoint Filing Agreement • February 12th, 1999 • Chatterjee Purnendu
The undersigned hereby agree that the statement on Schedule 13G with respect to the Common Stock of Global TeleSystems Group, Inc. dated as of February 11, 1999 is, and any amendments thereto signed by each of the undersigned shall be, filed on behalf of us pursuant to and in accordance with the provisions of Rule 13d-1(f) under the Securities Exchange Act of 1934.
