Market Center Discounts

Customer Name Customer Affiliate Other Affiliate Rate Offered Max Rate Discount
Time Period
Quantity Delivery
 Points
Conditions Applicable to Discount
MDQ Scheduled
M Lynch  $0.08000  $0.25216  12/2/2008  27 Emerson N/A
M Lynch  $0.02000  $0.05043  12/1/2008  260 Emerson N/A
Nexen Marketing  $0.08000  $0.25216  12/2/2008  64 Farwell N/A
Shell Energy North America  $0.02000  $0.05043  12/1/2008  929 Fortune Lake N/A
Shell Energy North America  $0.08000  $0.25216  12/2/2008  1,055 Fortune Lake N/A
Constellation Energy Commodities  $0.080000  $0.25216  12/1/2008  3,655 Fortune Lake N/A
Integrys Energy Inc.  $0.08000  $0.25216  12/1/2008  9,700 Fortune Lake N/A
M Lynch  0.08000  0.25216  12/1/2008   0   260 Emerson N/A
Shell Energy North America  $0.08000  $0.25216  12/1/2008  929 Fortune Lake N/A
Constellation Energy Commodities  $0.08000  $0.25216  11/30/08  40 Fortune Lake N/A
Constellation Energy Commodities  $0.02000  $0.05043  11/29/2008  43 Fortune Lake N/A
Constellation Energy Commodities   $0.08000  $0.25216  11/29/2008  33 Fortune Lake N/A
Constellation Energy Commodities  $0.02000  $0.05043  11/28/2008  44 Fortune Lake N/A
Constellation Energy Commodities  $0.08000  $0.25216  11/28/08  44 Fortune Lake N/A
Constellation Energy Commodities  $0.02000  $0.05043  11/27/09  51 Fortune Lake N/A
Constellation Energy Commodities  $0.08000  $0.25216  11/27/08  51 Fortune Lake N/A
Integrys Energy Inc.  $0.02000  $0.05043  11/26/08  8,000 Fortune Lake N/A
Shell Energy North America  $0.02000  $0.05043  11/26/08  98 Farwell N/A
Constellation Energy Commodities Group, Inc.  $0.02000  $0.05043  11/26/08  15,286 Fortune Lake N/A
Integrys Energy Services, Inc.  $0.08000  $0.25216  11/26/08  8,000 Fortune Lake N/A
Shell Energy North America (US) L.P.  $0.08000  $0.25216  11/26/08  5 Fortune Lake N/A
Shell Energy North America (US), L.P.  $0.08000  $0.25216  11/26/08  98 Farwell N/A
Constellation Energy Commodities  $0.08000  $0.25216  11/25/2008  15,286 Fortune Lake N/A
Integrys Energy Inc.  $0.02000  $0.05043  11/24/2008  2,500 Fortune Lake N/A
Integrys Energy Services, Inc.  $0.08000  $0.25216  11/24/08  2,500 Fortune Lake N/A
Integrys Energy Services, Inc.  $0.02000  $0.05043  11/23/08  6,000 Fortune Lake N/A
Integrys Energy Services, Inc.  $0.08000  $0.25216  11/23/08   0   7,000 Fortune Lake N/A
Shell Energy North America (US), L.P.  $0.02000  $0.05043  11/23/08  2 Fortune Lake N/A
BP Canada Energy Marketing  $0.02000  $0.05043  11/22/08  6 Carlton N/A
Integrys Energy Services  $0.08000  $0.25216  11/22/08  6,000 Fortune Lake N/A
Shell Energy North America  $0.08000  $0.25216  11/22/08  2 Fortune Lake N/A
Shell Energy North America  $0.02000  $0.05043  11/22/08  1 Carlton N/A
BP Canada Energy Marketing  $0.08000  $0.25216  11/21/08  6 Carlton N/A
BP Canada Energy Marketing  $0.02000  $0.05043  11/21/08  5 Carlton N/A
Constellation Energy Commodities  $0.02000  $0.05043  11/21/08  16 St. Clair N/A
Shell Energy North America  $0.08000  $0.25216  11/21/08  1 Carlton N/A
Shell Energy North America  $0.02000  $0.05043  11/21/08  1 Carlton N/A
BP Canada Energy Marketing  $0.08000  $0.25216  11/20/08  5 Carlton N/A
Constellation Energy Commodities  $0.08000  $0.25216  11/20/08  15,512 Fortune Lake N/A
Constellation Energy Commodities  $0.02000  $0.05043  11/20/08  11,749 Fortune Lake N/A
Constellation Energy Commodities  $0.08000  $0.25216  11/20/08  16 St. Clair N/A
Integrys Energy Services  $0.02000  $0.05043  11/20/08  1,763 Fortune Lake N/A
Shell Energy North America  $0.08000  $0.25216  11/20/08  1 Carlton N/A
Shell Energy North America  $0.02000  $0.05043  11/20/08  1 Fortune Lake N/A
Constellation Energy Commodities Group, Inc.  $0.08000  $0.25216  11/19/08  11,749 Fortune Lake N/A
Integrys Energy Services, Inc.  $0.08000  $0.25216  11/19/08  1,763 Fortune Lake N/A
Shell Energy North America (US), L.P.  $0.08000  $0.05043  11/19/08  1 Fortune Lake N/A
Constellation Energy Commoditites   $0.02000  $0.05043  11/17/08  14,110 Fortune Lake N/A
Constellation Energy Commoditites   $0.02000  $0.05043  11/17/08  14,110 Fortune Lake N/A
Constellation Energy Commoditites   $0.08000  $0.25216  11/17/08  315 Fortune Lake N/A
              N/A
              N/A
Constellation Energy Commodities  0.02000  0.05043  11/16/08   0   9,080 Fortune Lake N/A
Constellation Energy Commoditites   $0.08000  $0.25216  11/16/08  14,110 Fortune Lake N/A
Integrys Energy Services  $0.02000  $0.05043