```
NATURAL GAS ICE HENRY HUB - ICE OTC                                                                     Code-023391
Commitments of Traders with Delta-adjusted Options and Futures Combined, August 30, 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  : 4,387,312:   380,748    273,836  1,388,505  2,574,280  2,688,516  4,343,533  4,350,857:    43,779     36,455
Old  : 4,387,312:   380,748    273,836  1,388,505  2,574,280  2,688,516  4,343,533  4,350,857:    43,779     36,455
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: August 23, 2011                      :
     :  -217,998:    31,244    -30,923   -126,436   -116,880    -58,164   -212,072   -215,523:    -5,926     -2,475
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       8.7        6.2       31.6       58.7       61.3       99.0       99.2:       1.0        0.8
Old  :     100.0:       8.7        6.2       31.6       58.7       61.3       99.0       99.2:       1.0        0.8
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  :       221:        39         32         64        138        136        206        205:
Old  :       221:        39         32         64        138        136        206        205:
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  :                 22.7       21.9       37.3       37.5       13.4       17.6       20.1       24.9
Old  :                 22.7       21.9       37.3       37.5       13.4       17.6       20.1       24.9
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 with Delta-adjusted Options and Futures Combined, August 30, 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  :   349,883:     9,261      7,670     21,565    303,977    313,922    334,803    343,157:    15,080      6,726
Old  :   349,883:     9,261      7,670     21,565    303,977    313,922    334,803    343,157:    15,080      6,726
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: August 23, 2011                      :
     :     2,349:    -2,374     -2,666      1,730      1,100      1,581        456        645:     1,893      1,704
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       2.6        2.2        6.2       86.9       89.7       95.7       98.1:       4.3        1.9
Old  :     100.0:       2.6        2.2        6.2       86.9       89.7       95.7       98.1:       4.3        1.9
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  :        61:         7          3          8         43         44         53         52:
Old  :        61:         7          3          8         43         44         53         52:
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  :                 34.5       47.1       51.0       62.5       27.4       39.7       39.6       46.1
Old  :                 34.5       47.1       51.0       62.5       27.4       39.7       39.6       46.1
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 with Delta-adjusted Options and Futures Combined, August 30, 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  :   186,602:    12,020        450      2,608    167,031    180,670    181,659    183,728:     4,943      2,874
Old  :   186,602:    12,020        450      2,608    167,031    180,670    181,659    183,728:     4,943      2,874
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: August 23, 2011                      :
     :     3,708:     3,088          0     -1,319      1,351      5,435      3,120      4,116:       588       -408
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       6.4        0.2        1.4       89.5       96.8       97.4       98.5:       2.6        1.5
Old  :     100.0:       6.4        0.2        1.4       89.5       96.8       97.4       98.5:       2.6        1.5
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  :        48:         4          1          3         40         37         44         41:
Old  :        48:         4          1          3         40         37         44         41:
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  :                 49.5       47.3       64.0       65.6       42.6       45.8       54.9       60.5
Old  :                 49.5       47.3       64.0       65.6       42.6       45.8       54.9       60.5
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 with Delta-adjusted Options and Futures Combined, August 30, 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  :   323,915:     4,491     29,195      5,313    309,964    284,324    319,768    318,832:     4,147      5,083
Old  :   323,915:     4,491     29,195      5,313    309,964    284,324    319,768    318,832:     4,147      5,083
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: August 23, 2011                      :
     :     8,103:     2,400      5,043     -2,666      7,977      6,454      7,711      8,831:       392       -728
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.4        9.0        1.6       95.7       87.8       98.7       98.4:       1.3        1.6
Old  :     100.0:       1.4        9.0        1.6       95.7       87.8       98.7       98.4:       1.3        1.6
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  :        54:         1          6          3         42         41         45         48:
Old  :        54:         1          6          3         42         41         45         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  :                 48.2       42.4       69.0       67.2       46.5       37.6       66.7       60.5
Old  :                 48.2       42.4       69.0       67.2       46.5       37.6       66.7       60.5
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 with Delta-adjusted Options and Futures Combined, August 30, 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  :   617,772:     7,234      9,794     30,509    575,653    575,671    613,396    615,974:     4,376      1,798
Old  :   617,772:     7,234      9,794     30,509    575,653    575,671    613,396    615,974:     4,376      1,798
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: August 23, 2011                      :
     :   -17,004:       939    -11,516      7,153    -25,648    -13,539    -17,556    -17,902:       552        898
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.2        1.6        4.9       93.2       93.2       99.3       99.7:       0.7        0.3
Old  :     100.0:       1.2        1.6        4.9       93.2       93.2       99.3       99.7:       0.7        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  :        72:         3          6          8         59         53         67         62:
Old  :        72:         3          6          8         59         53         67         62:
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  :                 30.4       37.8       47.1       54.5       28.2       31.2       39.5       41.8
Old  :                 30.4       37.8       47.1       54.5       28.2       31.2       39.5       41.8
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 with Delta-adjusted Options and Futures Combined, August 30, 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  :   218,203:     3,895      7,295     11,113    195,337    194,091    210,345    212,499:     7,858      5,704
Old  :   218,203:     3,895      7,295     11,113    195,337    194,091    210,345    212,499:     7,858      5,704
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: August 23, 2011                      :
     :    11,133:    -4,274     -4,650      7,265      8,528      9,081     11,519     11,696:      -386       -563
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.8        3.3        5.1       89.5       88.9       96.4       97.4:       3.6        2.6
Old  :     100.0:       1.8        3.3        5.1       89.5       88.9       96.4       97.4:       3.6        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  :        42:         1          2          3         34         30         37         33:
Old  :        42:         1          2          3         34         30         37         33:
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  :                 48.0       59.0       61.9       75.8       44.3       56.1       55.5       69.0
Old  :                 48.0       59.0       61.9       75.8       44.3       56.1       55.5       69.0
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 with Delta-adjusted Options and Futures Combined, August 30, 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  :   290,887:     7,971     19,330     33,067    241,882    232,511    282,920    284,908:     7,967      5,979
Old  :   290,887:     7,971     19,330     33,067    241,882    232,511    282,920    284,908:     7,967      5,979
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: August 23, 2011                      :
     :    -7,804:     2,813      8,043    -11,037      2,106     -5,060     -6,118     -8,054:    -1,686        250
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       2.7        6.6       11.4       83.2       79.9       97.3       97.9:       2.7        2.1
Old  :     100.0:       2.7        6.6       11.4       83.2       79.9       97.3       97.9:       2.7        2.1
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  :        62:         4          2          4         46         49         52         53:
Old  :        62:         4          2          4         46         49         52         53:
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  :                 33.6       31.4       53.7       47.7       22.0       18.3       34.5       31.6
Old  :                 33.6       31.4       53.7       47.7       22.0       18.3       34.5       31.6
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 with Delta-adjusted Options and Futures Combined, August 30, 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  :   167,986:     7,824      8,499      5,626    151,756    144,653    165,206    158,778:     2,780      9,208
Old  :   167,986:     7,824      8,499      5,626    151,756    144,653    165,206    158,778:     2,780      9,208
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: August 23, 2011                      :
     :     3,396:     1,460     -1,564        314      1,190      3,455      2,964      2,205:       432      1,191
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       4.7        5.1        3.3       90.3       86.1       98.3       94.5:       1.7        5.5
Old  :     100.0:       4.7        5.1        3.3       90.3       86.1       98.3       94.5:       1.7        5.5
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  :        41:         2          1          2         27         38         29         41:
Old  :        41:         2          1          2         27         38         29         41:
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  :                 62.6       28.9       78.6       48.7       56.0       26.9       68.8       45.0
Old  :                 62.6       28.9       78.6       48.7       56.0       26.9       68.8       45.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
```

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Updated September 2, 2011