1 EXHIBIT 4.2 REGISTRATION RIGHTS AGREEMENT THIS REGISTRATION RIGHTS AGREEMENT (the "AGREEMENT") is made and entered into as of September 19, 2000 by and among Williams Communications Group, Inc., a Delaware corporation (the "COMPANY"), Merrill Lynch...Registration Rights Agreement • November 8th, 2000 • Williams Communications Group Inc • Telephone communications (no radiotelephone) • New York
