------------------------------ OMB APPROVAL ------------------------------ OMB Number: 3235-0287 +--------+ Expires: September 30, 1998 | FORM 4 | Estimated average burden +--------+ hours per response ....... 0.5 ------------------------------ U.S. SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES 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 -------------------------------------------------------------------------------- 1.Name and Address of Reporting Person Goldman Robert N. ------------------------------------------------------------------------------ (Last) (First) (Middle) c/o eXcelon Corporation 25 Mall Road ------------------------------------------------------------------------------ (Street) Burlington MA 01803 ------------------------------------------------------------------------------ (City) (State) (Zip) 2.Issuer Name and Ticker or Trading Symbol eXcelon Corporation ("EXLN") ------------------------------------- 3.IRS or Social Security Number of Reporting Person (Voluntary) ---------------- 4.Date of Event Requiring Statement (Month/Year) 9/01 ------------------------------- 5.If Amendment, Date of Original (Month/Day/Year) ------------------------------- 6.Relationship of Reporting Person to Issuer (Check all applicable) [X] Director [ ] Officer [ ] 10% Owner [ ] Other (give title below) (specify below) Chairman of the Board ------------------------------------------------------------------------------ 7.Individul or Joint/Group Filing (Check Applicable Line) [X] Form filed by one reporting person [ ] Form filed by more than one reporting person --------------------------------------------------------------------------------

~~Table~~------------------------------------------------------------------------------------------------------------------------------------ TABLE I -- ~~Non~~NON-~~Derivative~~DERIVATIVE ~~Securities~~SECURITIES ~~Acquired~~ACQUIRED, ~~Disposed~~DISPOSED ofOF, orOR ~~Beneficially~~BENEFICIALLY ~~Owned~~OWNED 5------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 1. ~~Amount~~Title of ~~Secu~~Security 2. Trans- ~~rities~~3. Transac- 4. Securities Acquired (A) ~~Bene~~5. Amount of Se- 6. ~~Ownership~~Owner- 27. ~~Trans-~~Nature 3(Instr. ~~Trans-~~3) action tion or Disposed of (D) ~~ficially~~curities ~~Form:~~Benefi- ~~action~~ship ~~action~~of In- Date Code (Instr. 3, 4 and 5) cially Owned ~~Direct~~at 7Form: direct (Instr. ~~Nature~~8) End of ~~Date~~Month ~~Code~~Direct Benefi- (Month/ (Instr. 3 and 4) (D) or cial Day/ ---------------------------- ~~at End (D) or Indirect (Month/ (Instr. 8) (A) of Month Indirect Beneficial 1. Title of Security Day/~~ ----------- Indirect Owner-- ~~Amount~~Year) orCode ~~Price~~V ~~(Instr.~~Amount (IA) ~~Ownership~~or ~~(Instr.~~Price 3(I) ~~Year)~~ship ~~Code V~~ (D) ~~3 and 4)~~ (Instr. 4) (Instr. 4) ----------------------------- ---------- ------ ----- ------------ --- ---------- ----------- ------------- --------------------------------- Common ~~Stock~~stock ~~(1)~~ 9/2625/01 PJ ~~491~~V 100,~~917~~000 (A) $.50365 31,~~406~~800,~~630~~000 ~~(I)~~D ~~See~~------------------------------------------------------------------------------------------------------------------------------------ ~~Footnotes 1 and 2~~ Common ~~Stock~~stock ~~(1)~~ 9/2627/01 PJ ~~121~~V 100,~~857~~000 (A) $.50429 31,~~406~~800,~~630~~000 ~~(I)~~D ~~See~~------------------------------------------------------------------------------------------------------------------------------------ ~~Footnotes~~Reminder: 1Report ~~and~~on 3a ~~Common~~separate ~~Stock~~line ~~(1)~~for ~~9/26/01~~each Pclass ~~86,226~~of ~~(A)~~securities ~~$.50~~beneficially ~~3,406,630~~owned ~~(I)~~directly ~~See~~or ~~Footnotes~~indirectly. 1Page ~~and 4 Common Stock (~~1) ~~9/28/01~~of P2 ~~87,842~~* ~~(A)~~If ~~$.47~~the ~~3,406,630~~form ~~(I)~~is ~~See~~filed ~~Footnotes~~by 1more ~~and~~than 5one ~~Common~~reporting ~~Stock (1) 9/28/01 P 21~~person,~~760~~ ~~(A)~~see ~~$.47~~Instruction ~~3,406,630~~ 4(Ib) ~~See Footnotes 1 and 6 Common Stock~~ (1v) ~~9/28/01 P 15,398 (A) $~~.47 ~~3,406,630~~SEC ~~(I)~~1474 ~~See Footnotes 1 and~~ (7-96)

~~Table~~FORM 4 (CONTINUED) TABLE II --~~Derivative~~ ~~Securities~~DERIVATIVE ~~Acquired~~SECURITIES ACQUIRED, ~~Disposed~~DISPOSED ofOF, orOR ~~Beneficially~~BENEFICIALLY ~~Owned~~OWNED (eE.gG., ~~puts~~PUTS, ~~calls~~CALLS, ~~warrants~~WARRANTS, ~~options~~OPTIONS, ~~convertible~~CONVERTIBLE ~~securities~~SECURITIES) ------------------------------------------------------------------------------------------------------------------------------------ 1. Title of Derivative 2. Conver- 3. Trans- 4. Trans- 5. Number of ~~Deriv-~~ 6. Date ~~Exercisable~~Exer- 7. Title and Amount 8. Price Security sion or 3action action Derivative cisable and of Underlying of (Instr. ~~Trans-~~3) ~~ative~~Exercise Date Code Securities ~~and~~Ac- Expiration ~~Date~~Securities ~~Exercise~~Deriv- ~~action~~Price 4of (Month/ (Instr. ~~Transac-~~8) ~~Acquired~~quired (A) or Date (Instr. 3 and 4) ative Deriv- Day/ Disposed of (D) (Month/Day/ Secur- ative Year) ~~Price~~(Instr. of3, ~~Date~~4, ~~tion~~Year) ~~Code~~ity ~~Disposed~~Security ofand 5) (DInstr. 5) ---------------------- ~~Deriv~~- ~~(Month/ (Instr. 8) (Instr. 3, 4, and 5) Date 1. Title of Derivative Security ative Day/~~ ------------ Date Expira- Amount or -------------------------- ~~Exercis~~Exer- ~~Expiration~~tion ~~(Instr.~~Title 3)Number ~~Security~~of ~~Year)~~ Code V (A) (D) ~~able~~cisable Date Shares ---------------------------------------- ----------- ---------- ------ ----- ------------ ------------ ---------- ---------- ~~9. Number of 10. Ownership Derivative Form of Securities Derivative 7. Title and Amount of Underlying Benefi~~---------------- ~~Security: Securities (Instr. 3 and 4) cially Direct 11. Nature of~~ ------------------------------------------------------------------------------------------------------------------------------------ 89. ~~Price~~Number of ~~Owned~~10. atOwnership ~~(D)~~11. orNature ~~Indirect~~of ~~Amount or~~ Derivative ~~End~~Form of Indirect ~~Beneficial~~Securities 1.Derivative ~~Title~~Beneficial ofBeneficially ~~Derivative~~Security: ~~Title~~Ownership ~~Number~~Owned ofat ~~Security~~End ~~Month~~Direct (ID) ~~Ownership Security~~ (Instr. 34) ~~Shares~~of ~~(Instr.~~Month 5)or ~~(Instr.~~Indirect 4(I) (Instr. 4) (Instr. 4) --------------------------- --------------------------- ----------- --------------- ------------- -------------- -----------------------------------------------------

Explanation of Responses: Explanation of Responses: Explanation J: Purchase pursuant to the SEC's issuance of an Emergency Order pursuant to Section 12(k)(2) of the Securities Exchange Act of 1934 taking temporary action to respond to market developements. ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 an /s/ Robert Goldman 10/10/01 ------------------------------- -------- **Signature of Reporting Person Date BY: Robert Goldman Chairman & CEO Note: File three copies of this Form, one of which must be manually signed. If space provided is insufficient, see Instruction 6 for procedure. Page 2 of 2 SEC 1474 (7-96)

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