```
NATURAL GAS ICE HENRY HUB - ICE OTC                                                                     Code-023391
Commitments of Traders - Futures Only, August 2, 2011                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (Contracts of 2,500  MMBTU'S)                                              :
     :          :                                                                            :
All  : 4,505,478:   521,008    287,367  1,373,193  2,575,168  2,824,621  4,469,369  4,485,181:    36,109     20,297
Old  : 4,505,478:   521,008    287,367  1,373,193  2,575,168  2,824,621  4,469,369  4,485,181:    36,109     20,297
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 26, 2011                        :
     :  -205,858:   -28,018     40,020   -101,114    -72,465   -137,588   -201,597   -198,682:    -4,261     -7,176
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      11.6        6.4       30.5       57.2       62.7       99.2       99.5:       0.8        0.5
Old  :     100.0:      11.6        6.4       30.5       57.2       62.7       99.2       99.5:       0.8        0.5
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :       226:        39         37         68        139        139        210        212:
Old  :       226:        39         37         68        139        139        210        212:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 23.9       22.4       37.8       37.2       15.0       19.0       21.7       26.7
Old  :                 23.9       22.4       37.8       37.2       15.0       19.0       21.7       26.7
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
SOCAL BORDER FIN BASIS - ICE OTC                                                                        Code-023393
Commitments of Traders - Futures Only, August 2, 2011                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (Contracts of 2,500  MMBTU'S)                                              :
     :          :                                                                            :
All  :   366,299:    12,107     15,079     21,652    318,265    325,365    352,024    362,096:    14,275      4,203
Old  :   366,299:    12,107     15,079     21,652    318,265    325,365    352,024    362,096:    14,275      4,203
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 26, 2011                        :
     :    -4,010:    -2,591     -1,750     -1,143        802       -276     -2,932     -3,169:    -1,078       -841
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.3        4.1        5.9       86.9       88.8       96.1       98.9:       3.9        1.1
Old  :     100.0:       3.3        4.1        5.9       86.9       88.8       96.1       98.9:       3.9        1.1
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        64:         8          6         12         43         44         56         57:
Old  :        64:         8          6         12         43         44         56         57:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 35.3       41.9       52.5       59.4       27.7       34.0       37.6       41.8
Old  :                 35.3       41.9       52.5       59.4       27.7       34.0       37.6       41.8
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PG&E CITYGATE FIN BASIS - ICE OTC                                                                       Code-023394
Commitments of Traders - Futures Only, August 2, 2011                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (Contracts of 2,500  MMBTU'S)                                              :
     :          :                                                                            :
All  :   195,479:    10,692      3,936      3,857    175,950    184,224    190,499    192,017:     4,980      3,462
Old  :   195,479:    10,692      3,936      3,857    175,950    184,224    190,499    192,017:     4,980      3,462
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 26, 2011                        :
     :     3,045:    -1,002       -366       -645      3,803      4,081      2,156      3,070:       889        -25
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       5.5        2.0        2.0       90.0       94.2       97.5       98.2:       2.5        1.8
Old  :     100.0:       5.5        2.0        2.0       90.0       94.2       97.5       98.2:       2.5        1.8
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        51:         5          2          4         41         40         47         45:
Old  :        51:         5          2          4         41         40         47         45:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 42.6       42.2       56.9       62.7       35.9       37.4       45.8       51.2
Old  :                 42.6       42.2       56.9       62.7       35.9       37.4       45.8       51.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
NWP ROCKIES FIN BASIS - ICE OTC                                                                         Code-023395
Commitments of Traders - Futures Only, August 2, 2011                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (Contracts of 2,500  MMBTU'S)                                              :
     :          :                                                                            :
All  :   317,421:         0     20,787     10,121    304,361    279,569    314,482    310,477:     2,939      6,944
Old  :   317,421:         0     20,787     10,121    304,361    279,569    314,482    310,477:     2,939      6,944
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 26, 2011                        :
     :    -4,089:         0     -2,451        590     -5,290     -3,238     -4,700     -5,099:       611      1,010
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0        6.5        3.2       95.9       88.1       99.1       97.8:       0.9        2.2
Old  :     100.0:       0.0        6.5        3.2       95.9       88.1       99.1       97.8:       0.9        2.2
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        53:         0          8          4         40         36         44         44:
Old  :        53:         0          8          4         40         36         44         44:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 47.1       43.2       65.1       65.8       44.9       37.4       62.5       57.9
Old  :                 47.1       43.2       65.1       65.8       44.9       37.4       62.5       57.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
AECO FIN BASIS - ICE OTC                                                                                Code-023396
Commitments of Traders - Futures Only, August 2, 2011                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (Contracts of 2,500  MMBTU'S)                                              :
     :          :                                                                            :
All  :   699,756:     1,707     34,901     29,487    666,159    633,345    697,353    697,733:     2,403      2,023
Old  :   699,756:     1,707     34,901     29,487    666,159    633,345    697,353    697,733:     2,403      2,023
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 26, 2011                        :
     :    23,888:     1,468    -11,154      7,495     15,953     28,424     24,916     24,765:    -1,028       -877
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.2        5.0        4.2       95.2       90.5       99.7       99.7:       0.3        0.3
Old  :     100.0:       0.2        5.0        4.2       95.2       90.5       99.7       99.7:       0.3        0.3
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        75:         3          9         11         60         52         71         64:
Old  :        75:         3          9         11         60         52         71         64:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 26.2       38.8       43.6       53.1       24.9       30.7       38.1       40.9
Old  :                 26.2       38.8       43.6       53.1       24.9       30.7       38.1       40.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
CHICAGO FIN BASIS - ICE OTC                                                                             Code-023397
Commitments of Traders - Futures Only, August 2, 2011                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (Contracts of 2,500  MMBTU'S)                                              :
     :          :                                                                            :
All  :   207,588:     7,939     12,008      4,975    186,313    181,909    199,227    198,892:     8,361      8,696
Old  :   207,588:     7,939     12,008      4,975    186,313    181,909    199,227    198,892:     8,361      8,696
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 26, 2011                        :
     :     6,234:     1,758      3,066       -775      3,576      3,789      4,559      6,080:     1,675        154
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.8        5.8        2.4       89.8       87.6       96.0       95.8:       4.0        4.2
Old  :     100.0:       3.8        5.8        2.4       89.8       87.6       96.0       95.8:       4.0        4.2
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        39:         3          1          4         32         26         36         30:
Old  :        39:         3          1          4         32         26         36         30:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 47.7       61.7       61.5       77.4       44.7       60.3       57.5       71.1
Old  :                 47.7       61.7       61.5       77.4       44.7       60.3       57.5       71.1
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
HSC FIN BASIS - ICE OTC                                                                                 Code-023398
Commitments of Traders - Futures Only, August 2, 2011                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (Contracts of 2,500  MMBTU'S)                                              :
     :          :                                                                            :
All  :   315,181:     6,325     27,370     17,767    283,027    261,799    307,119    306,936:     8,062      8,245
Old  :   315,181:     6,325     27,370     17,767    283,027    261,799    307,119    306,936:     8,062      8,245
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 26, 2011                        :
     :    -1,443:     1,391     -1,258     -1,435     -2,920        647     -2,964     -2,046:     1,521        603
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       2.0        8.7        5.6       89.8       83.1       97.4       97.4:       2.6        2.6
Old  :     100.0:       2.0        8.7        5.6       89.8       83.1       97.4       97.4:       2.6        2.6
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        60:         4          3          5         45         44         51         50:
Old  :        60:         4          3          5         45         44         51         50:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 31.6       28.2       49.7       44.6       21.3       17.9       32.9       30.0
Old  :                 31.6       28.2       49.7       44.6       21.3       17.9       32.9       30.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
WAHA FIN BASIS - ICE OTC                                                                                Code-023399
Commitments of Traders - Futures Only, August 2, 2011                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (Contracts of 2,500  MMBTU'S)                                              :
     :          :                                                                            :
All  :   165,892:     7,439     12,030      6,338    149,028    143,637    162,805    162,005:     3,087      3,887
Old  :   165,892:     7,439     12,030      6,338    149,028    143,637    162,805    162,005:     3,087      3,887
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 26, 2011                        :
     :     2,414:        30     -3,354        433      1,678      4,844      2,141      1,923:       273        491
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       4.5        7.3        3.8       89.8       86.6       98.1       97.7:       1.9        2.3
Old  :     100.0:       4.5        7.3        3.8       89.8       86.6       98.1       97.7:       1.9        2.3
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        51:         3          3          4         32         43         37         48:
Old  :        51:         3          3          4         32         43         37         48:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 55.3       23.8       71.4       43.5       53.6       22.2       62.2       40.8
Old  :                 55.3       23.8       71.4       43.5       53.6       22.2       62.2       40.8
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM WH REAL TIME PEAK OTC - ICE OTC                                                                     Code-064363
Commitments of Traders - Futures Only, August 2, 2011                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (Contracts of 800 MWh)                                                     :
     :          :                                                                            :
All  :   167,213:    41,260      1,950     15,550    109,339    149,262    166,149    166,762:     1,064        451
Old  :   167,213:    41,260      1,950     15,550    109,339    149,262    166,149    166,762:     1,064        451
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 26, 2011                        :
     :    -3,399:    -1,199       -731        222     -2,054     -2,612     -3,031     -3,121:      -368       -278
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      24.7        1.2        9.3       65.4       89.3       99.4       99.7:       0.6        0.3
Old  :     100.0:      24.7        1.2        9.3       65.4       89.3       99.4       99.7:       0.6        0.3
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        86:        16          5         16         55         53         76         70:
Old  :        86:        16          5         16         55         53         76         70:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 34.0       36.8       51.8       56.1       27.0       35.2       41.8       46.5
Old  :                 34.0       36.8       51.8       56.1       27.0       35.2       41.8       46.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
MID-C FINANCIAL PEAK OTC - ICE OTC                                                                      Code-064391
Commitments of Traders - Futures Only, August 2, 2011                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (Contracts of 400 MWh)                                                     :
     :          :                                                                            :
All  :    62,338:       222      1,790        655     61,307     59,739     62,184     62,184:       154        154
Old  :    62,338:       222      1,790        655     61,307     59,739     62,184     62,184:       154        154
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 26, 2011                        :
     :    -4,331:      -453       -265       -674     -3,281     -3,469     -4,408     -4,408:        77         77
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.4        2.9        1.1       98.3       95.8       99.8       99.8:       0.2        0.2
Old  :     100.0:       0.4        2.9        1.1       98.3       95.8       99.8       99.8:       0.2        0.2
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        42:         2          5          4         30         29         35         36:
Old  :        42:         2          5          4         30         29         35         36:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 51.2       59.4       74.5       76.3       47.5       46.1       60.8       58.2
Old  :                 51.2       59.4       74.5       76.3       47.5       46.1       60.8       58.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
MID-C FINANCIAL OFF-PEAK OTC - ICE OTC                                                                  Code-064392
Commitments of Traders - Futures Only, August 2, 2011                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (Contracts of 25 MWh)                                                      :
     :          :                                                                            :
All  :   517,410:     8,472      3,434      1,640    507,298    512,336    517,410    517,410:         0          0
Old  :   517,410:     8,472      3,434      1,640    507,298    512,336    517,410    517,410:         0          0
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 26, 2011                        :
     :   -49,853:        48    -10,190        -16    -49,557    -39,319    -49,525    -49,525:      -328       -328
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.6        0.7        0.3       98.0       99.0      100.0      100.0:       0.0        0.0
Old  :     100.0:       1.6        0.7        0.3       98.0       99.0      100.0      100.0:       0.0        0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        31:         2          3          1         23         23         26         26:
Old  :        31:         2          3          1         23         23         26         26:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 65.8       67.5       85.3       84.1       61.4       56.7       69.8       70.0
Old  :                 65.8       67.5       85.3       84.1       61.4       56.7       69.8       70.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM WH OFF PEAK REAL TIME OTC - ICE OTC                                                                 Code-064394
Commitments of Traders - Futures Only, August 2, 2011                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (Contracts of 50 Megawatt Hours)                                           :
     :          :                                                                            :
All  : 1,666,327:    31,825     66,069     87,327  1,547,151  1,512,931  1,666,303  1,666,327:        24          0
Old  : 1,666,327:    31,825     66,069     87,327  1,547,151  1,512,931  1,666,303  1,666,327:        24          0
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 26, 2011                        :
     :   -10,025:     3,490      5,717     -6,309     -7,206     -9,433    -10,025    -10,025:         0          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.9        4.0        5.2       92.8       90.8      100.0      100.0:       0.0        0.0
Old  :     100.0:       1.9        4.0        5.2       92.8       90.8      100.0      100.0:       0.0        0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        60:         6          7          7         38         35         48         45:
Old  :        60:         6          7          7         38         35         48         45:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 44.0       45.0       63.2       68.0       34.7       42.5       50.4       54.0
Old  :                 44.0       45.0       63.2       68.0       34.7       42.5       50.4       54.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
SP15 FIN DAYAHEAD LPM PEAK OTC - ICE OTC                                                                Code-064395
Commitments of Traders - Futures Only, August 2, 2011                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (Contracts of 400 Megawatt Hours)                                          :
     :          :                                                                            :
All  :   130,360:     2,268      2,244      2,153    125,760    125,948    130,181    130,345:       179         15
Old  :   130,360:     2,268      2,244      2,153    125,760    125,948    130,181    130,345:       179         15
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 26, 2011                        :
     :     1,117:        25       -153       -112      1,050      1,488        963      1,223:       154       -106
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.7        1.7        1.7       96.5       96.6       99.9      100.0:       0.1        0.0
Old  :     100.0:       1.7        1.7        1.7       96.5       96.6       99.9      100.0:       0.1        0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        53:         6          4          7         34         39         43         47:
Old  :        53:         6          4          7         34         39         43         47:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 52.5       41.2       68.9       64.4       30.6       34.1       40.0       42.9
Old  :                 52.5       41.2       68.9       64.4       30.6       34.1       40.0       42.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
SP15 FIN DA LPM OFF PEAK OTC - ICE OTC                                                                  Code-064396
Commitments of Traders - Futures Only, August 2, 2011                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (Contracts of 25 Megawatt Hours)                                           :
     :          :                                                                            :
All  :   468,998:     1,256      5,800        944    466,798    462,254    468,998    468,998:         0          0
Old  :   468,998:     1,256      5,800        944    466,798    462,254    468,998    468,998:         0          0
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 26, 2011                        :
     :    -7,563:       632        360         -8     -8,187     -7,915     -7,563     -7,563:         0          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.3        1.2        0.2       99.5       98.6      100.0      100.0:       0.0        0.0
Old  :     100.0:       0.3        1.2        0.2       99.5       98.6      100.0      100.0:       0.0        0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        33:         2          2          2         24         24         27         27:
Old  :        33:         2          2          2         24         24         27         27:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 67.8       62.1       86.4       84.5       49.8       48.3       55.8       52.7
Old  :                 67.8       62.1       86.4       84.5       49.8       48.3       55.8       52.7
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
```

----

Updated August 5, 2011