Exhibit 99 Exelon Corporation (Holding Company) Long-Term Debt Outstanding By Issue As of June 30, 2003 (in millions) Interest Date Maturity Debt Current Long-Term Series Rate Issued Date Outstanding Portion Debt - ------------------------------------------------------------------------------------------------------------------------------------ Senior Notes - Exelon Corporation - ---------------------------------- 2001 Senior Notes 6.75% 05/03/01 05/01/11 $ 500 $ 0 $ 500 --------- ---------- ------- Total Senior Notes - Exelon Corporation $ 500 $ 0 $ 500 --------- ---------- ------- Notes - Exelon Corporation - ---------------------------------- NDH Capital Corporation 8.300% 08/02/99 01/15/09 $ 3 $ 1 $ 2 NDH Capital Corporation 8.440% 10/16/95 01/01/04 1 1 0 NDH Capital Corporation 8.550% 11/12/99 01/15/09 4 1 3 NDH Capital Corporation 8.650% 01/03/00 01/15/10 3 0 3 Corporate Credit Inc. 8.875% 12/13/99 01/15/10 4 1 3 Corporate Credit Inc. 7.980% 10/01/99 07/15/10 6 1 5 --------- --------- ------- Total Notes - Exelon Corporation $ 21 $ 5 $ 16 --------- --------- ------- Other Various $ 2 $ 0 $ 2 --------- --------- ------- Total Exelon Corporation Long-term Debt $ 523 $ 5 $ 518 ========= ========= ======= Unamortized Debt Discount and Premium (2) ------- Exelon Corporation Long-term Debt $ 516 ======= Commonwealth Edison Company and Subsidiary Companies Long-Term Debt Outstanding By Issue As of June 30, 2003 (in millions) Interest Date Maturity Debt Current Long-Term Rate Issued Date Outstanding Portion Debt - ------------------------------------------------------------------------------------------------------------------------------------ First Mortgage Bonds - ----------------------------------------- Series 96 6.625% 07/15/93 07/15/03 $ 100 $ 100 $ 0 Pollution Control-1994A 5.300% 01/15/94 01/15/04 26 26 0 Series 93 7.000% 07/01/93 07/01/05 225 225 Series 76 8.250% 10/01/91 10/01/06 100 100 Series 78 8.375% 10/15/91 10/15/06 125 125 Pollution Control-1996A 4.400% 06/27/96 12/01/06 110 110 Pollution Control-1996B 4.400% 06/27/96 12/01/06 89 89 Series 99 3.700% 01/22/03 02/01/08 350 350 Series 83 8.000% 05/15/92 05/15/08 140 140 Pollution Control-1994B 5.700% 01/15/94 01/15/09 20 20 Series 98 6.150% 03/13/02 03/15/12 400 400 Series 98 6.150% 06/13/02 03/15/12 200 200 Series 92 7.625% 04/15/93 04/15/13 219 219 Pollution Control-2002 Variable 06/04/02 04/15/13 100 100 Series 94 7.500% 07/01/93 07/01/13 147 147 Pollution Control-1994C 5.850% 01/15/94 01/15/14 20 20 Pollution Control-1994D 6.750% 12/01/94 03/01/15 91 91 Series 101 4.700% 04/07/03 04/15/15 395 395 Series 75 9.875% 06/15/90 06/15/20 54 54 Series 97 7.750% 07/15/93 07/15/23 150 150 Series 100 5.875% 01/22/03 02/01/33 350 350 IL Ind. Pol. Ctrl. Fin. Authority Variable 05/08/03 05/15/17 40 40 --------- --------- -------- Total First Mortgage Bonds - ComEd $ 3,451 $ 126 $ 3,325 --------- --------- -------- Sinking Fund Debentures - ----------------------------------------- Sinking Fund Debenture 3.125% 10/01/54 10/01/04 $ 2 $ 1 $ 1 Sinking Fund Debenture 3.875% 01/01/58 01/01/08 6 1 5 Sinking Fund Debenture 4.625% 01/01/59 01/01/09 3 0 3 Sinking Fund Debenture 4.750% 12/01/61 12/01/11 7 1 6 --------- --------- -------- Total Sinking Fund Debentures - ComEd $ 18 $ 3 $ 15 --------- --------- -------- Transitional Funding Trust Notes - ----------------------------------------- Class A-5 Transitional Funding Trust Notes, Series 1998 5.440% 12/16/98 03/25/05 $ 599 $ 340 $ 259 Class A-6 Transitional Funding Trust Notes, Series 1998 5.630% 12/16/98 06/25/07 761 761 Class A-7 Transitional Funding Trust Notes, Series 1998 5.740% 12/16/98 12/25/08 510 510 --------- --------- -------- Total Transitional Funding Trust Notes - ComE $ 1,870 $ 340 $ 1,530 --------- --------- -------- Pollution Control Obligations - ----------------------------------------- IL Dev. Fin. Auth. - Series 1994C Variable 12/14/94 03/01/09 $ 50 $ $ 50 IL Dev. Fin. Auth. - Series 1994B Variable 10/05/94 10/15/14 42 42 --------- --------- -------- Total Pollution Control Obligations - ComEd $ 92 $ 0 $ 92 --------- --------- -------- Medium Term Notes - ----------------------------------------- 3N- 3032 9.200% 10/18/89 10/15/04 $ 14 $ $ 14 3N- 3033 9.200% 10/18/89 10/15/04 14 14 3N- 3034 9.200% 10/18/89 10/15/04 10 10 3N- 3035 9.200% 10/18/89 10/15/04 14 14 3N- 3036 9.200% 10/18/89 10/15/04 4 4 Senior Note Variable 09/14/00 09/30/03 250 250 0 --------- --------- -------- Total Medium Term Notes - ComEd $ 306 $ 250 $ 56 --------- --------- -------- Notes - ----------------------------------------- Notes 6.400% 10/15/93 10/15/05 $ 235 $ $ 235 Notes 7.375% 01/09/97 01/15/04 150 150 0 Notes 7.625% 01/09/97 01/15/07 150 150 Notes 6.950% 07/16/98 07/15/18 225 225 --------- --------- -------- Total Notes - ComEd $ 760 $ 150 $ 610 --------- --------- -------- Total ComEd Long-Term Debt $ 6,497 $ 869 $ 5,628 ========= ========= ======== Unamortized Debt Discount and Premium (90) Fair Value Hedge Carrying Value Adjustment 46 -------- ComEd Long-Term Debt $ 5,584 ======== PECO Energy Company and Subsidiary Companies Long-Term Debt By Issue As of June 30, 2003 (in millions) Interest Issue Maturity Debt Current Long-Term Series Rate Date Date Outstanding Portion Debt - ------------------------------------------------------------------------------------------------------------------------------------ First Mortgage Bonds - --------------------------------------- FMB 4.7500% 9/23/02 10/1/12 $ 225 $ $ 225 FMB 5.9500% 11/01/01 11/01/11 250 250 FMB 6.3750% 08/15/93 08/15/05 75 75 FMB 3.5000% 04/28/03 05/01/08 450 450 --------- --------- -------- Total First Mortgage Bonds $ 1,000 $ - $ 1,000 --------- --------- -------- Mortgage-Backed Pollution Control Notes - --------------------------------------- Delaware Co. 1988 Ser. A var. rate 04/01/93 12/01/12 $ 50 $ $ 50 Delaware Co. 1988 Ser. B var. rate 04/01/93 12/01/12 50 50 Delaware Co. 1988 Ser. C var. rate 04/01/93 12/01/12 50 50 Salem Co. 1988 Ser. A var. rate 04/01/93 12/01/12 4 4 --------- --------- -------- Total Mortgage-Backed Pollution Control Notes $ 154 $ $ 154 --------- --------- -------- Pollution Control Notes - ----------------------------------------------------- Delaware Co. 1999 Ser. A 5.20% 10/14/99 04/01/21 $ 51 $ $ 51 Montgomery Co. 1999 Ser. A 5.20% 10/14/99 10/01/30 92 92 Montgomery Co. 1999 Ser. B 5.30% 10/14/99 10/01/34 14 14 --------- --------- -------- Total Pollution Control Notes $ 157 $ - $ 157 --------- --------- -------- PECO Energy Transition Trust Debt (PETT) - ------------------------------------------------------ 1999 A-3 variable 03/26/99 03/01/04 $ 92 $ 92 $ 0 1999 A-4 5.8000% 03/26/99 03/01/05 459 172 287 1999 A-5 variable 03/26/99 09/01/07 139 139 1999 A-6 6.0500% 03/26/99 03/01/07 993 993 1999 A-7 6.1300% 03/26/99 09/01/08 897 897 2000 A-3 7.6250% 05/02/00 03/01/09 399 399 2000 A-4 7.6500% 05/02/00 09/01/09 351 351 2001 A-1 6.5200% 03/01/01 03/01/10 805 805 --------- --------- -------- Total PECO Energy Transition Trust Debt $ 4,135 $ 264 $ 3,871 --------- --------- -------- Company Obligated Mandatorily Redeemable Preferred Securities - ------------------------------------------------------- PECO Energy Capital Trust IV 5.75% 06/24/03 06/15/33 $ 100 $ $ 100 --------- --------- -------- Total COMPRS $ 100 $ - $ 100 --------- --------- -------- Other Various $ 1 $ 0 $ 1 --------- --------- -------- Total PECO Long-Term Debt $ 5,547 $ 264 $ 5,283 ========= ========= ======== Unamortized Debt Discount and Premium (10) Notes Payable - Accounts Receivable agreement 56 Capital Lease Obligation $ 1 $ 0 $ 1 -------- PECO Long-Term Debt $ 5,330 ======== Exelon Generation Company, LLC and Subsidiary Companies Long-Term Debt By Issue As of June 30, 2003 (in millions) Interest Issue Maturity Debt Current Long-Term Series Rate Date Date Outstanding Portion Debt - ------------------------------------------------------------------------------------------------------------------------------------ Senior Notes - ------------------------------- 2001 Senior Unsecured Notes 6.95% 6/14/01 6/15/11 $ 700 $ 0 $ 700 ------------ ------------ ---------- Unsecured Pollution Control Notes - ------------------------------- Montgomery Co. 2001 Ser. B var. rate 9/5/01 10/1/30 $ 69 $ 0 $ 69 Delaware Co. 2001 Ser. A var. rate 4/25/01 4/1/21 39 39 Montgomery Co. 2001 Ser. A var. rate 4/25/01 10/1/34 13 13 Delaware Co. 1993 Ser. A var. rate 8/24/93 8/1/16 24 24 Salem Co. 1993 Ser. A var. rate 9/9/93 3/1/25 23 23 Montgomery Co. 1994 Ser. A var. rate 2/14/95 6/1/29 83 83 Montgomery Co. 1994 Ser. B var. rate 7/2/95 6/1/29 13 13 York County 1993 Ser. A var. rate 8/24/93 8/1/16 18 18 Montgomery Co. 1996 Ser. A var. rate 3/27/96 3/1/34 34 34 Montgomery Co. 2002 Ser. A var. rate 7/24/02 12/1/29 30 30 Indiana Co. 2003 A var. rate 6/3/03 6/1/27 17 17 ------------ ------------ ---------- Total Unsecured Pollution Control Notes $ 363 $ 0 $ 363 ------------ ------------ ---------- Notes Payable - ------------------------------- Exelon Boston Generating Project Construction Notes Various 11/1/02 12/31/07 $ 1,037 $ 1,037 $ 0 Exelon Generation Term Loan L + .875% 11/01/02 6/18/03 210 210 0 Limerick Turbine Note Payable (Siemens) 7.25% 12/31/97 6/30/04 3 3 0 Notes Payable & Other Various 51 2 49 ------------ ------------ ---------- Total Notes Payable $ 1,301 $ 1,252 $ 49 ------------ ------------ ---------- Total Exelon Generation Long-Term Debt $ 2,364 $ 1,252 $ 1,112 ------------ ------------ ---------- Unamortized Debt Discount and Premium (1) ---------- Exelon Generation Long-Term Debt $ 1,111 ========== Exelon Enterprises Company, LLC and Subsidiary Companies Long-Term Debt By Issue As of June 30, 2003 (in millions) Interest Date Maturity Debt Current Long-Term Series Rate Issued Date Outstanding Portion Debt - ------------------------------------------------------------------------------------------------------------------------------------ Notes - Exelon Thermal Technologies - ----------------------------------------- Guaranteed Senior Notes 7.680% 06/25/99 06/30/23 $ 11 $ 0 $ 11 Guaranteed Senior Notes 9.090% 05/19/00 01/31/20 27 1 26 ------------ ---------- ----------- Total Notes - Exelon Thermal Technologies $ 38 $ 1 $ 37 ------------ ---------- ----------- Total Enterprises Long-Term Debt $ 38 $ 1 $ 37 ------------ ---------- ----------- Unamortized Debt Discount and Premium $ 2 Capital Lease Obligation $ 1 $ 1 0 ---------- Enterprises Long-Term Debt $ 39 ==========