SEC File No. 70-10122 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 CERTIFICATE PURSUANT TO RULE 24 OF PARTIAL COMPLETION OF TRANSACTIONS FirstEnergy Corp. ------------------------------------ : In the matter of : FirstEnergy Corp. : Certificate Pursuant : to Rule 24 of Partial : Completion of : Transactions : SEC File No. 70-10122 : (Public Utility Holding Company Act : of 1935) : ------------------------------------ TO THE MEMBERS OF THE SECURITIES AND EXCHANGE COMMISSION: The undersigned, FirstEnergy Corp. (FirstEnergy) hereby certifies pursuant to Rule 24 of the Rules and Regulations under the Public Utility Holding Company Act of 1935 (the Act), that certain of the transactions proposed in the Applications, as filed in SEC File No. 70-10122 have been carried out in accordance with the Commission's Orders dated June 30, 2003 as follows: 1. Balance Sheets and Income Statements for the FirstEnergy Nonutility Holding Company and its consolidated Subsidiaries for the quarter ended March 31, 2004 are attached as following exhibits: Exhibit ------- 1-1 Consolidated Balance Sheet and Income Statement of FirstEnergy Ventures Corp. 1-2 Consolidated Balance Sheet and Income Statement of FirstEnergy Facilities Services Group, LLC. 1-3 Balance Sheet and Income Statement of OES Ventures, Inc. - filed pursuant to request for confidential treatment. 1-4 Balance Sheet and Income Statement of Centerior Communications Holdings, Inc. - filed pursuant to request for confidential treatment. 1-5 Consolidated Balance Sheet and Income Statement of E-L Enterprises, Inc. - filed pursuant to request for confidential treatment. 1-6 Consolidated Balance Sheet and Income Statement of MARBEL HoldCo, Inc. - filed pursuant to request for confidential treatment. Balance Sheet and Income Statement of GPU Diversified Holdings LLC are reported on Form U-9C-3. 2. During the period January 1, 2004 through March 31, 2004, there was no Development Activity. Investments made during the first quarter 2004 are as follows: Category Investment --------- ---------------- (In Thousands $) Energy Related Company $ 2,460 3. During the first quarter of 2004, there were no guarantees made on behalf of other direct or indirect Subsidiaries of the FirstEnergy Nonutility Holding Companies. 4. During the first quarter of 2004, there were no services obtained by the FirstEnergy Nonutility Holding Companies, or any direct or indirect Subsidiary of the Nonutility Holding Companies from the Utility Subsidiaries. 1 5. A chart of the nonutility businesses, financing subsidiaries and nonsystem securities in which FirstEnergy and its subsidiaries are engaged in or have investments in of 10% or greater are identified below: Type of Type of Name of Company Subsidiary % Ownership --------------- ---------- ----------- American Transmission Systems, Incorporated (ATSI) US 100 Centerior Service Company (Inactive) 100 FE Acquisition Corp. (Inactive) NUHC 100 Mid-Atlantic Energy Development Co. (Inactive) 100 FE Holdings, L.L.C. (Inactive) - FELHC, Inc. ERC 100 First Communications, LLC ETC 65 FirstEnergy Facilities Services Group, LLC (FEFSG) NUHC 100 Dunbar Mechanical, Inc. ERC 100 Edwards Electrical & Mechanical, Inc. ERC 100 Elliott-Lewis Corporation ERC 100 A.A. Duckett, Inc. ERC 100 E-L Enterprises, Inc. NUHC 100 Modern Air Conditioning, Inc. ERC 100 Airdex Air Conditioning Corporation ERC 100 R.L. Anderson, Inc. ERC 100 Sautter Crane Rental, Inc. ERC 100 The Hattenbach Company ERC 100 L.H. Cranston and Sons, Inc. ERC 100 Roth Bros., Inc. ERC 100 R.P.C. Mechanical, Inc. ERC 100 Spectrum Controls Systems ERC 100 FirstEnergy Nuclear Operating Company (FENOC) ERC 100 FirstEnergy Properties, Inc. (FirstEnergy Properties) RES 100 BSG Properties, Inc. (Inactive) RES 100 FirstEnergy Securities Transfer Company FS 100 FirstEnergy Service Company (FECO) ERC 100 FirstEnergy Solutions Corp. (FES) ERC 100 FirstEnergy Generation Corp. (GenCo) EWG 100 FirstEnergy Engineering, Inc. ERC 100 FirstEnergy Telecom Services, Inc. ETC 100 FirstEnergy Ventures Corp. (FirstEnergy Ventures) NUHC 100 Bay Shore Power Company ERC 100 Centerior Communications Holdings, Inc. NUHC 100 Fiber Venture Equity, Inc. (Inactive) ETC 100 AFN Finance Company No. 3, LLC ETC 100 Centerior Energy Services, Inc. ERC 100 Centerior Power Enterprises, Inc. (Inactive) 100 Engineered Processes, Ltd. ERC 50 Eastroc Technologies, LLC ERC 50 FirstEnergy Telecommunications Corp. ETC 100 Warrenton River Terminal, Ltd. ERC 100 2 Type of Type of Name of Company Subsidiary % Ownership --------------- ---------- ----------- GPU Capital, Inc. (GPU Capital) FUCO 100 GPU Electric, Inc. (GPU Electric) FUCO 100 GPU Argentina Services S.R.L. FUCO 100 EI UK Holdings, Inc. FUCO 100 GPU Diversified Holdings LLC (GPUDH) NUHC 100 GPU Solar, Inc. ERC 50 GPU EnerTech Holdings, Inc. ERC 100 GPU Distributed Power, Inc. ERC 100 GPU Nuclear, Inc. (GPUN) ERC 100 Private Fuel Storage LLC ERC 10.1 GPU Power, Inc. (GPU Power) EWG 100 EI Canada Holding Limited EWG 100 EI Services Canada Limited EWG 100 EI Brooklyn Power Limited EWG 100 EI Brooklyn Investments Limited EWG 100 International Power Advisors, Inc. EWG 100 Syracuse Orange Partners LP EWG - Jersey Central Power & Light Company (JCP&L) US 100 JCP&L Transition Funding LLC FS 100 JCP&L Transition Funding II LLC FS 100 Saxton Nuclear Experimental Corporation ERC 44 MARBEL Energy Corporation (MARBEL) ERC 100 Marbel HoldCo, Inc. NUHC 100 Great Lakes Energy Partners, LLC ERC 50 Metropolitan Edison Company (Met-Ed) US 100 MetEd Funding LLC FS 100 Met-Ed Preferred Capital II, Inc. FS 100 Met-Ed Capital II, L.P. FS 100 Met-Ed Capital Trust FS 100 Saxton Nuclear Experimental Corporation ERC 32 York Haven Power Company US 100 MYR Group Inc. (MYR) ERC 100 The L. E. Myers Company ERC 100 Hawkeye Construction, Inc. ERC 100 MYRcom, Inc. ERC 100 MYRpower, Inc. ERC 100 Great Southwestern Construction, Inc. ERC 100 Harlan Electric Company ERC 100 Sturgeon Electric Company, Inc. ERC 100 ComTel Technology, Inc. ERC 100 Power Piping Company ERC 100 D.W.Close Company, Inc. ERC 100 Pennsylvania Electric Company (Penelec) US 100 Nineveh Water Company ERC 100 Penelec Funding LLC FS 100 Penelec Preferred Capital II, Inc. FS 100 Penelec Capital II, L.P. FS 100 Penelec Capital Trust FS 100 Saxton Nuclear Experimental Corporation ERC 24 The Waverly Electric Light and Power Company US 100 3 Type of Type of Name of Company Subsidiary % Ownership --------------- ---------- ----------- Ohio Edison Company (OE) US 100 OES Capital, Inc. FS 100 OES Finance, Inc. FS 100 OES Nuclear, Inc. FS 100 OES Ventures, Inc. NUHC 100 Ohio Edison Financing Trust FS 100 Ohio Edison Financing Trust II (Inactive) FS 100 Pennsylvania Power Company (Penn) US 100 Penn Power Funding LLC FS 100 McDonald Corporate Tax Credit Fund Limited Partnership RES 12.37 McDonald Ohio Tax Credit Fund-1996 Limited Partnership RES 42.13 McDonald Ohio Tax Credit Fund-1998 Limited Partnership RES 30.94 Apollo Tax Credit Fund III, L.P. RES 33.33 Apollo Tax Credit Fund IX, L.P. RES 99.99 Boston Capital Corporate Tax Credit Fund X, L.P. RES 10.93 Boston Capital Corporate Tax Credit Fund XIV, L.P. RES 14 Boston Capital Corporate Tax Credit Fund XVII, L.P. RES 11.64 Marion Senior Housing Limited Partnership RES 29.21 The Cleveland Electric Illuminating Company (CEI) US 100 Cleveland Electric Financing Trust I FS 100 Centerior Funding Corporation FS 100 The Toledo Edison Capital Corporation FS 10 The Toledo Edison Company (TE) US 100 The Toledo Edison Capital Corporation FS 90 AFN Finance Company No. 1, LLC ETC 100 Kinetic Ventures I, LLC ERC 11.11 Kinetic Ventures II, LLC ERC 14.28 PowerSpan Corp. ERC 18.63 UMICO Holdings, Inc. (Inactive) 36 ERC - Energy Related Activity ETC - Exempt Telecommunications Company EWG - Exempt Wholesale Generator FS - Financing Subsidiary FUCO - Foreign Utility Company NUHC - Nonutility Holding Company RES - Real Estate US - Utility Subsidiary 6. During the first quarter of 2004, there were no securities (including guarantees) issued by the FirstEnergy Nonutility Holding Companies and each Non-Exempt Subsidiary pursuant to Rule 52 or Rule 45(b), as applicable. 7. During the first quarter of 2004, there were no Anticipatory Hedge transactions entered into by any FirstEnergy Nonutility Holding Company, or any direct or indirect Non-Exempt Subsidiary of the Nonutility Holding Company. 4 SIGNATURE The undersigned registered holding company has duly caused this quarterly report to be signed on its behalf by the undersigned officer thereunto duly authorized pursuant to the requirements of the Public Utility Holding Company Act of 1935. FIRSTENERGY CORP. May 26, 2004 By: /s/ Harvey L. Wagner --------------------------------- Harvey L. Wagner Vice President, Controller and Chief Accounting Officer (Principal Accounting Officer) 5