Exhibit 4.5 AMENDED AND RESTATED REGISTRATION RIGHTS AGREEMENT This Amended and Restated Registration Rights Agreement, dated August 10, 2001 (this "Agreement"), is entered into by and among Consolidated Edison Communications, Inc. (the "Investor"),...Registration Rights Agreement • September 24th, 2001 • Neon Communications Inc • Telephone communications (no radiotelephone) • Massachusetts
Exhibit 4.4 EXECUTION COPY REGISTRATION RIGHTS AGREEMENT THIS REGISTRATION RIGHTS AGREEMENT (the "Agreement") is made as of August 10, 2001, by and between NEON COMMUNICATIONS, INC., a Delaware corporation ("Neon") and EXELON ENTERPRISES MANAGEMENT,...Registration Rights Agreement • September 24th, 2001 • Neon Communications Inc • Telephone communications (no radiotelephone) • Delaware
