UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM U-9C-3 QUARTERLY REPORT PURSUANT TO RULE 58 FOR THE QUARTER ENDED SEPTEMBER 30, 2004 EXELON CORPORATION 10 South Dearborn Street 37th Floor P.O. Box 805379 Chicago, IL 60680-5379 Inquiries concerning this Form U-9C-3 should be directed to: Scott Peters Exelon Corporation 10 South Dearborn Street 38th Floor P.O. Box 805379 Chicago, IL 60680-5379 TABLE OF CONTENTS Item Page Number Number 1 Organization Chart 3 2 Issuances and Renewals of Securities and Capital Contributions Part I - Issuances and Renewals of Securities and Capital 6 Contributions Part II - Capital Contributions 6 3 Associate Transactions Part I - Transactions Performed by Reporting Companies on Behalf of Associate Companies 7 Part II - Transactions Performed by Associate Companies On Behalf of Reporting Companies 7 4 Summary of Aggregate Investment 8 5 Other Investments 9 6 Financial Statements and Exhibits 10 Signature 13 2 ITEM 1. ORGANIZATION CHART ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Energy State of or Organization Date of % Voting Name of Reporting Company Gas-Related Organization Securities Nature of Business ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Exelon Corporation (a) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Exelon Energy Delivery Company, LLC (a) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Commonwealth Edison Company (a) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Commonwealth Research Corporation Energy Illinois 06/08/1976 100% Energy-related (Category 1,7) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- PECO Energy Company (a) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- East Coast Natural Gas Cooperative, LLC Energy Delaware 03/15/1995 41.12% Energy-related (Category 9) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Horizon Energy Company * Energy Pennsylvania 02/06/1995 100% Energy-related (Category 5) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Exelon Ventures Company, LLC (a) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Exelon Synfuel I, LLC Energy Delaware 07/25/2003 100% Energy-related (Category 6) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- DTE Buckeye, LLC Energy -0-% Energy-related (Category 6) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Exelon Synfuel I1, LLC Energy Delaware 07/25/2003 100% Energy-related (Category 6) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- DTE Belews Creek, LLC Energy -0-% Energy-related (Category 6) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Exelon Synfuel III, LLC Energy Delaware 06/17/2004 100% Energy-related (Category 6) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- DTE Buckeye, Carbontronics Synfuels Energy -0-% Energy-related Investors, L.P. (Category 6) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Exelon Generation Company, LLC (a) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Penesco Company, LLC Energy Delaware 06/06/2001 100% Energy-related (Category 7,9) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Cenesco Company, LLC Energy Delaware 12/31/2001 100% Energy-related (Category 7) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- ExTex Retail Services Company, LLC Energy Delaware 05/12/2003 100% Energy-related (Category 5) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Exelon Allowance Management Company, LLC Energy Delaware 11/08/2001 100% Energy-related (Category 2) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Exelon Power Labs, LLC Energy Pennsylvania 11/08/2002 100% Energy-related (Category 7) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Exelon AOG Holding # 1, Inc. (a) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Exelon AOG Holding # 2, Inc. (a) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Exelon New England Power Marketing, LP Energy Delaware 03/24/1999 100% Energy-related (Category 5) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Exelon New England Holdings, LLC (a) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- ENEH Services, LLC (new) Energy Delaware 04/01/2004 100% Energy-related (Category 7) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Exelon Hamilton, LLC Energy Delaware 03/31/1999 100% Energy-related (Category 5) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Exelon SHC, Inc. (a) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Keystone Fuels, LLC Energy Delaware 10/17/2000 20.99% Energy-related (Category 9) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Conemaugh Fuels, LLC Energy Delaware 10/16/2002 20.72% Energy-related (Category 9) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- ExTex Marketing, LLC Energy Delaware 05/13/2002 100% Energy-related (Category 5) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- ExTex Power, LP Energy Delaware 05/13/2002 99% Energy-related (Category 5) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Exelon Energy Company Energy Delaware 01/04/1999 100% Energy-related (Category 5) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- AllEnergy Gas & Electric Marketing Energy Delaware 09/12/2000 100% Energy-related Company, LLC (Category 5) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Texas-Ohio Gas, Inc. Energy Texas 08/12/1987 100% Energy-related (Category 5) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Exelon Enterprises Company, LLC (a) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Exelon Services, Inc. Energy Delaware 07/13/1999 100% Energy-related (Category 1, 2,7) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Unicom Power Marketing Inc. Energy Delaware 07/28/1997 100% Energy-related (Category 5) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Exelon Enterprises Management, Inc. (a) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- ECPH, LLC (a) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Exelon Enterprises Investments, (a) Inc. ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- UTECH Climate Challenge Fund, Energy Delaware 06/30/1995 24.4% Energy-related L.P. (Category 2) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Adwin Equipment Company Energy Pennsylvania 08/05/1968 100% Energy-related (Category 6,7) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Exelon Thermal Holdings, Inc. Energy Delaware 08/05/1997 100% Energy-related (Category 6,7) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Exelon Thermal Development, Inc. Energy Delaware 02/05/1997 100% Energy-related (Category 6,7) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- ETT Boston Inc. Energy Delaware 12/22/1995 100% Energy-related (Category 6,7) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Northwind Boston LLC Energy Massachusetts 01/05/1996 25% Energy-related (Category 6,7) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- ETT North America Inc. Energy Delaware 07/18/1996 100% Energy-related (Category 6,7) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Northwind Thermal Technologies Energy Canada 08/01/1996 100% Energy-related Canada Inc. (Category 6,7) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- ETT Canada, Inc. Energy Canada 08/01/1996 100% Energy-related (Category 6,7) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- Northwind Windsor Energy Canada 07/18/1996 50% Energy-related (Category 6,7) ------------------------------------------------- --------- ------------- ------------- ---------- ------------------------- * Denotes inactive corporation. (a) Directly or indirectly holds securities in energy-related companies. 3 ITEM 1. ORGANIZATION CHART (continued) -------------------------------------------------- --------- ------------- ------------- ---------- ----------------------------- Energy State of or Organization Date of % Voting Name of Reporting Company Gas-Related Organization Securities Nature of Business -------------------------------------------------- --------- ------------- ------------- ---------- ----------------------------- F&M Holdings Company, LLC Energy Delaware 09/18/2003 100% Energy-related (Category 1,4,7) -------------------------------------------------- --------- ------------- ------------- ---------- ----------------------------- II Services, Inc. Energy Delaware 05/28/1999 100% Energy-related (Category 1,2,7) -------------------------------------------------- --------- ------------- ------------- ---------- ----------------------------- EIS Engineering, Inc* Energy Delaware 12/11/2000 100% Energy-related (Category 7) -------------------------------------------------- --------- ------------- ------------- ---------- ----------------------------- InfraSource Field Services, Energy Oklahoma 11/23/1998 100% Energy-related (Category 7) LLC* -------------------------------------------------- --------- ------------- ------------- ---------- ----------------------------- Fischbach and Moore Electric, Inc. Energy Delaware 08/12/1999 100% Energy-related (Category 1,2,7) -------------------------------------------------- --------- ------------- ------------- ---------- ----------------------------- Rand-Bright Corporation* Energy Wisconsin 02/11/1985 100% Energy-related (Category 7) -------------------------------------------------- --------- ------------- ------------- ---------- ----------------------------- NEWCOSY, Inc Energy Delaware 08/12/1999 100% Energy-related (Category 1,2,7) -------------------------------------------------- --------- ------------- ------------- ---------- ----------------------------- NEWCOTRA, Inc. Energy Delaware 08/12/1999 100% Energy-related (Category 7) -------------------------------------------------- --------- ------------- ------------- ---------- ----------------------------- Fishbach and Moore, Inc. Energy New York 04/01/1924 100% Energy-related (Category 7) -------------------------------------------------- --------- ------------- ------------- ---------- ----------------------------- Fishbach and Moore Electrical Energy Delaware 07/22/1946 100% Energy-related (Category 7) Contracting, Inc. -------------------------------------------------- --------- ------------- ------------- ---------- ----------------------------- T.H. Green Electric Co., Inc. Energy New York 07/06/1926 100% Energy-related (Category 7) -------------------------------------------------- --------- ------------- ------------- ---------- ----------------------------- OSP Servicios S.A. de C.V. * Energy Mexico 09/30/1996 100% Energy-related (Category 7) -------------------------------------------------- --------- ------------- ------------- ---------- ----------------------------- Universal Network Development Energy California 01/01/1901 49% Energy-related (Category 7) Corp. -------------------------------------------------- --------- ------------- ------------- ---------- ----------------------------- Oldco VSI Inc. Energy Delaware 04/20/2000 100% Energy-related (Category 1,2,7) -------------------------------------------------- --------- ------------- ------------- ---------- ----------------------------- EGW Meter Services, LLC Energy Delaware 12/01/2002 100% Energy-related (Category 1,2,7) -------------------------------------------------- --------- ------------- ------------- ---------- ----------------------------- EIS Investments, LLC * Energy Delaware 11/14/2000 100% Energy-related (Category 7) -------------------------------------------------- --------- ------------- ------------- ---------- ----------------------------- WCB Services, LLC* Energy Oklahoma 1/1/192001 49% Energy-related (Category 7) -------------------------------------------------- --------- ------------- ------------- ---------- ----------------------------- * Denotes inactive corporation (a) Directly and / or indirectly holds securities in energy-related companies. Notes: 1. The following companies were sold during the first nine months of 2004: Solution Holdings, LLC sold on 6/25/2004. Exelon Services Federal Group, Inc. sold on 6/25/2004. Thermal Chicago Corporation sold on 6/30/2004. Northwind Chicago, LLC sold on 6/30/2004. Exelon Thermal Technologies, Inc. sold on 6/30/2004. Northwind Midway, LLC sold on 6/30/2004. ETT National Power, Inc. sold on 6/30/2004. ETT Nevada, Inc. sold on 9/29/2004. Northwind Aladdin, LLC sold on 9/29/2004. 2. The following name changes occurred during the first nine months of 2004: None. 3. The following new companies were formed in the first nine months of 2004: ENEH Services, LLC, a Rule 58 (vii) company, formed in Delaware on 4/1/2004. Solution Holdings, LLC, formed in Delaware on 5/13/2004. Exelon Synfuel III, LLC, a Rule 58 (vi) company formed in Delaware on 6/17/2004. 4. The following companies were dissolved during the first nine months of 2004: 4 ETT Houston, Inc., dissolved on 7/19/2004. Northwind Las Vegas, LLC, dissolved 2/25/2004. Unicom Power Holdings, LLC, dissolved on 9/23/2004. 5. The following companies were acquired during the first nine months of 2004: Carbontronics Synfuels Investors, L.P., 16.65% acquired by Exelon Synfuel III, LLC on 6/17/2004. 6. The following restructurings occurred during the first nine months of 2004: Exelon Energy Company --------------------- Effective January 1, 2004, Exelon contributed its interest in Exelon Energy Company to Exelon Generation Company, LLC. The transaction had no impact on the assets and liabilities of Exelon Energy Company, which were previously reported as a part of the Enterprises segment. Beginning in 2004, Exelon Energy Company's assets and liabilities and results of operations are included in Exelon Generation Company LLC's financial statements. The following summary represents the assets and liabilities of Exelon Energy Company that were transferred to Exelon Generation Company, LLC as of January 1, 2004: (in millions) Current assets $ 89 Property, plant and equipment 2 Deferred debits and other assets 13 Current liabilities 96 Deferred credits and other liabilities 10 Accumulated other comprehensive loss 2 Member's equity (4) Solution Holdings, LLC ---------------------- To facilitate a sale of Rule 58 assets, certain operating units of Exelon Services, Inc. were transferred to Solution Holdings, LLC, a newly organized Rule 58 company (Delaware on 5/13/2004). Solution Holdings, LLC was then sold on 6/25/2004. The following summary represents the assets and liabilities of Exelon Services, Inc. that were transferred to Solution Holdings, LLC: (in millions) Current assets $ 7 Property, plant and equipment 1 Deferred debits and other assets 7 Current liabilities 11 Deferred credits and other liabilities 2 Member's equity 2 Unicom Power Holdings, LLC --------------------------- Ceased operations. Dissolved on 9/23/2004. Remaining assets and liabilities distributed to its parent, Exelon Enterprises, Company, LLC. The following summary represents the assets and liabilities of Unicom Power Holdings, LLC that were transferred to Exelon Enterprises Company, LLC (in millions) Intercompany receivables $ 8.4 Cash 0.5 Accrued expenses 0.4 Member's equity 8.5 5 ITEM 2. Part I. ISSUANCES AND RENEWALS OF SECURITIES AND CAPITAL CONTRIBUTIONS (in thousands) --------------- --------------- ---------------- ---------------- --------------- --------------- ------------ -------------- Company Person to Issuing Type of Principal Whom Security Collateral Consideration Securities Security Amount of Issue or Cost of Was Issued Given With Received For (Borrower) Issued Security Renewal Capital (Lender) Security Each Security --------------- --------------- ---------------- ---------------- --------------- --------------- ------------ -------------- II Services, Revolving $34 Issue LIBOR plus 50 F&M Holdings None $34 Inc. credit basis points Company, LLC --------------- --------------- ---------------- ---------------- --------------- --------------- ------------ -------------- Exelon Revolving $250 Issue LIBOR plus + Exelon None $250 PowerLabs, LLC credit .625% Generation Finance Company --------------- --------------- ---------------- ---------------- --------------- --------------- ------------ -------------- Exelon Revolving $250 Issue LIBOR plus + Exelon None $250 PowerLabs, LLC credit .625% Generation Finance Company --------------- --------------- ---------------- ---------------- --------------- --------------- ------------ -------------- Part II. CAPITAL CONTRIBUTIONS (in thousands) ------------------------------------------- ---------------------------------------- ---------------------------------------- Company Contributing Capital Company Receiving Capital Amount of Capital Contribution ------------------------------------------- ---------------------------------------- ---------------------------------------- Exelon Ventures Company, LLC Exelon Synfuel I, LLC $18,986 ------------------------------------------- ---------------------------------------- ---------------------------------------- Exelon Ventures Company, LLC Exelon Synfuel II, LLC 11,156 ------------------------------------------- ---------------------------------------- ---------------------------------------- Exelon Ventures Company, LLC Exelon Synfuel III, LLC 4,612 ------------------------------------------- ---------------------------------------- ---------------------------------------- Exelon Ventures Company, LLC Exelon Enterprises Company, LLC 250,000 ------------------------------------------- ---------------------------------------- ---------------------------------------- Exelon Enterprises Company, LLC Exelon Services, Inc. 86,000 ------------------------------------------- ---------------------------------------- ---------------------------------------- Exelon Enterprises Company, LLC Exelon Thermal Holdings, Inc. 25,000 ------------------------------------------- ---------------------------------------- ---------------------------------------- Exelon Enterprises Company, LLC Exelon Enterprises Management, Inc. 1,200 ------------------------------------------- ---------------------------------------- ---------------------------------------- Exelon Enterprises Management, Inc. ECPH, LLC 1,200 ------------------------------------------- ---------------------------------------- ---------------------------------------- 6 ITEM 3. ASSOCIATE TRANSACTIONS Part I. Transactions Performed by Reporting Companies on Behalf of Associate Companies (in thousands) ------------------------------------------------------------------------------------------------------------------------- Types of Direct Reporting Company Associate Company Services Costs Indirect Costs Cost of Total Amount Rendering Services Receiving Services Rendered Charged Charged Capital Billed ------------------------------------------------------------------------------------------------------------------------- Exelon Services, Inc. Exelon Business Security System $1 $1 Services Company ------------------------------------------------------------------------------------------------------------------------- Exelon Services, Inc. Exelon Energy IT 93 93 Company Services/Facility Charges ------------------------------------------------------------------------------------------------------------------------- Exelon Services, Inc. Exelon IT 22 22 Enterprises Services/Facility Company, LLC Charges ------------------------------------------------------------------------------------------------------------------------- Exelon Thermal Northwind Aladdin Plant Operators 78 78 Development, Inc. LLC ------------------------------------------------------------------------------------------------------------------------- Exelon Power Labs, LLC Extex LaPorte Measuring & test 4 4 limited equipment, Partnership technical services ------------------------------------------------------------------------------------------------------------------------- Exelon Power Labs, LLC Exelon Business Measuring & test 150 150 Services Company equipment, technical services - PECO ------------------------------------------------------------------------------------------------------------------------- Exelon Power Labs, LLC Exelon Business Measuring & test 166 166 Services Company equipment, technical services - ComEd ------------------------------------------------------------------------------------------------------------------------- Exelon Power Labs, LLC Exelon Generation Measuring & test 1,430 269 1,699 Company, LLC equipment, technical services ------------------------------------------------------------------------------------------------------------------------- Exelon Power Labs, LLC AmerGen Measuring & test 328 35 363 equipment, technical services ------------------------------------------------------------------------------------------------------------------------- Part II. Transactions Performed by Associate Companies on Behalf of Reporting Companies (in thousands) ------------------------------------------------------------------------------------------------------------------------ Types of Associate Company Reporting Company Services Direct Costs Indirect Costs Cost of Total Amount Rendering Services Receiving Services Rendered Charged Charged Capital Billed ------------------------------------------------------------------------------------------------------------------------ Exelon Business F&M Holdings Legal 143 $143 Services Company Company ------------------------------------------------------------------------------------------------------------------------ Exelon Business F&M Holdings Legal, IT and 9 9 Services Company Company accounting ------------------------------------------------------------------------------------------------------------------------ Exelon Business Exelon Thermal Legal 85 85 Services Company Holdings, Inc. ------------------------------------------------------------------------------------------------------------------------ 7 ITEM 4. SUMMARY OF AGGREGATE INVESTMENT September 30, 2004 (in thousands) Investments in energy-related companies: Total consolidated capitalization of Exelon Corporation as of September 30, 2004 $23,758,000 Line 1 Total capitalization multiplied by 15% (line 1 multiplied by 0.15) 3,563,700 Line 2 Greater of $50 million or line 2 3,563,700 Line 3 Total current aggregate investment subsequent to October 20, 2000 (categorized by major line of energy-related business): Energy-related business category 2 $520,190 Energy-related business category 5 143,521 Energy-related business category 7 350,113 Energy-related business category 9 9,700 Energy-related business category 10 32 Total current aggregate investment 1,023,555 Line 4 ---------- Difference between the greater of $50 million or 15% of capitalization and the total aggregate investment of the registered holding company system (line 3 less line 4) $2,540,145 Line 5 ========== Investments in gas-related companies: NONE 8 ITEM 5. OTHER INVESTMENTS Filed under confidential treatment pursuant to Rule 104(b). 9 ITEM 6 - FINANCIAL STATEMENTS AND EXHIBITS A. Financial Statements -------------------- (1) Exhibit A-1 Statement of Income of Exelon Services, Inc. for three and nine months ended September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (2) Exhibit A-2 Balance Sheet of Exelon Services, Inc. at September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (3) Exhibit A-3 Statement of Income of Exelon Thermal Holdings, Inc. for three and nine months ended September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (4) Exhibit A-4 Balance Sheet of Exelon Thermal Holdings, Inc. at September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (5) Exhibit A-5 Statement of Income of Unicom Power Marketing, Inc. for three and nine months ended September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (6) Exhibit A-6 Balance Sheet of Unicom Power Marketing, Inc. at September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (7) Exhibit A-7 Statement of Income of Adwin Equipment Company for three and nine months ended September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (8) Exhibit A-8 Balance Sheet of Adwin Equipment Company at September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (9) Exhibit A-9 Statement of Income of F&M Holdings Company, LLC for three and nine months ended September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (10) Exhibit A-10 Balance Sheet of F&M Holdings Company, LLC at September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (11) Exhibit B-1 Statement of Income of Penesco Company, LLC for three months and six months ended September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (12) Exhibit B-2 Balance Sheet of Penesco Company, LLC at September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (13) Exhibit B-3 Statement of Income of Cenesco Company, LLC for three and nine months ended September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (14) Exhibit B-4 Balance Sheet of Cenesco Company, LLC at September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (15) Exhibit B-5 Statement of Income of Exelon Allowance Management Company, LLC for three and nine months ended September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). 10 (16) Exhibit B-6 Balance Sheet of Exelon Allowance Management Company, LLC at September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (17) Exhibit B-7 Statement of Income of ExTex Marketing, LLC for three and nine months ended September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (18) Exhibit B-8 Balance Sheet of ExTex Marketing, LLC at September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (19) Exhibit B-9 Statement of Income of Exelon New England Power Marketing LP for the three and nine months ended September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (20) Exhibit B-10 Balance Sheet of Exelon New England Power Marketing LP at September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (21) Exhibit B-11 Statement of Income of Exelon Hamilton, LLC for the three and nine months ended September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (22) Exhibit B-12 Balance Sheet of Exelon Hamilton, LLC at September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (23) Exhibit B-13 Statement of Income of Exelon Energy Company for three and nine months ended September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (24) Exhibit B-14 Balance Sheet of Exelon Energy Company at September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (25) Exhibit B-15 Statement of Income of Exelon PowerLabs, LLC for three and nine months ended September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (26) Exhibit B-16 Balance Sheet of Exelon PowerLabs, LLC at September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (27) Exhibit B-17 Statement of Income of ENEH Services, LLC for three and nine months ended September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (28) Exhibit B-18 Balance Sheet of ENEH Services, LLC at September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (29) Exhibit B-19 Statement of Income of ExTex Retail Services Company, LLC for three and nine months ended September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (30) Exhibit B-20 Balance Sheet of ExTex Retail Services Company, LLC at September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (31) Exhibit C-1 Statement of Income of Exelon Synfuel I, LLC for three and nine months ended September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (32) Exhibit C-2 Balance Sheet of Exelon Synfuel I, LLC at September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (33) Exhibit C-3 Statement of Income of Exelon Synfuel II, LLC for three and nine months ended September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (34) Exhibit C-4 Balance Sheet of Exelon Synfuel II, LLC at September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). 11 (35) Exhibit C-5 Statement of Income of Exelon Synfuel III, LLC for three and nine months ended September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (36) Exhibit C-6 Balance Sheet of Exelon Synfuel III, LLC at September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (37) Exhibit C-7 Statement of Income of Commonwealth Research Corporation for three and nine months ended September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (38) Exhibit C-8 Balance Sheet of Commonwealth Research Corporation at September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (39) Exhibit C-9 Statement of Income of Horizon Energy Company for three and nine months ended September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). (40) Exhibit C-10 Balance Sheet of Horizon Energy Company at September 30, 2004 - filed under confidential treatment pursuant to Rule 104(b). B. Exhibits -------- None 12 SIGNATURE Pursuant to the requirements of the Public Utility Holding Company Act of 1935, Exelon Corporation has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. Date: November 29, 2004 Exelon Corporation Registrant By: /s/ Matthew F. Hilzinger ------------------------ Vice President and Corporate Controller With the above signature, I also hereby certify that the corresponding report on Form U-9C-3 for the nine months ended September 30, 2004 has been filed with Exelon Corporation's interested state commissions whose names and addresses are listed below. Donna Caton, Chief Clerk Illinois Commerce Commission 527 East Capitol Avenue Springfield, Illinois 62706 James J. McNulty, Secretary Pennsylvania Public Utility Commission P.O. Box 3265 Harrisburg, Pennsylvania 17105-3265 13