4 1 ecp-neonform4.txt FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(f) of the Investment Company Act of 1940 |_| Check this box if no OBM APPROVAL longer subject to Section OBM Number: 3235-0287 16. Form 4 or Form 5 Expires: December 31, 2001 obligations may continue. Estimated average burden hours See Instruction 1(b). per response..........0.5 (Print or Type Responses) -------------------------------------------------------------------------------- 1. Name and Address of Reporting Person * ECP Telecommunications Holdings, LLC -------------------------------------------------------------------------------- (Last) (First) (Middle) 2751 Centerville Road, Suite 3203 -------------------------------------------------------------------------------- (Street) Wilmington DE 19808 -------------------------------------------------------------------------------- (City) (State) (Zip) ________________________________________________________________________________ 2. Issuer Name and Ticker or Trading Symbol Neon Communications Inc. (NOPT) ________________________________________________________________________________ 3. IRS Identification Number of Reporting Person, if an Entity (Voluntary) ________________________________________________________________________________ 4. Statement for Month/Year January 2002 ________________________________________________________________________________ 5. If Amendment, Date of Original (Month/Year) ================================================================================ 6. Relationship of Reporting Person to Issuer (Check all applicable) [_] Director [X] 10% Owner [_] Officer (give title below) [_] Other (specify below) ________________________________________________________________________________ 7. Individual or Joint/Group Filing (Check applicable line) [_] Form filed by one Reporting Person [X] Form filed by more than one Reporting Person ________________________________________________________________________________ ================================================================================ Table I -- Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned ================================================================================

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. * If the form is filed by more than one reporting person, see instruction 4(b)(v). Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. (Over) SEC 1474 (3-99) Page 1 of 4

Page 2 of 4 FORM 4 (continued) Table II -- Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) ================================================================================

Explanation of Responses: ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure. ECP Telecommunications Holdings, LLC By: /s/ John C. Halderman February 8, 2002 -------------------------------------- ----------------------------------- Name: John C. Halderman Date Title: Secretary Potential persons who are to respond to the collection of information contained in this 4 form are not required to respond unless the form displays a currently valid OMB Number. Page 3 of 4 JOINT FILER INFORMATION Name: Exelon Corporation Address: 10 S. Dearborn Street 37th Floor Chicago, IL 60690 Designated Filer: ECP Telecommunications Holdings, LLC Issuer and Ticker Symbol: NEON Communications, Inc. (NOPT) Statement for Month/Year: January, 2002 Exelon Corporation By: /s/ Scott N. Peters February 8, 2002 ------------------------ ---------------- Date Name: Scott N. Peters Title: Assistant Secretary Page 4 of 4

NEON COMMUNICATIONS INC 4