Exhibit 10.1 EXECUTION VERSION REGISTRATION RIGHTS AGREEMENT This REGISTRATION RIGHTS AGREEMENT (this "Agreement"), dated as of August 2, 2006, among Level 3 Communications, Inc., a Delaware corporation ("Parent") and Cheshire Holding Corp., as agent...Registration Rights Agreement • August 3rd, 2006 • Level 3 Communications Inc • Telephone communications (no radiotelephone) • New York
