```
NATURAL GAS ICE HENRY HUB - ICE OTC                                                                     Code-023391
Commitments of Traders with Delta-adjusted Options and Futures Combined, August 28, 2012                 
-------------------------------------------------------------------------------------------------------------------
     :   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  : 4,694,139:   589,595    277,538  1,371,499  2,714,720  3,034,288  4,675,814  4,683,325:    18,325     10,814
Old  : 4,694,139:   589,595    277,538  1,371,499  2,714,720  3,034,288  4,675,814  4,683,325:    18,325     10,814
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: August 21, 2012                      :
     :    -7,925:    -1,497     35,330    -34,444     26,018     -8,794     -9,923     -7,908:     1,998        -17
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      12.6        5.9       29.2       57.8       64.6       99.6       99.8:       0.4        0.2
Old  :     100.0:      12.6        5.9       29.2       57.8       64.6       99.6       99.8:       0.4        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  :       225:        43         29         61        141        137        210        202:
Old  :       225:        43         29         61        141        137        210        202:
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       36.9       36.5       17.4       17.7       25.4       26.4
Old  :                 22.7       21.9       36.9       36.5       17.4       17.7       25.4       26.4
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 28, 2012                 
-------------------------------------------------------------------------------------------------------------------
     :   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  :   293,354:     5,109     16,699      4,165    270,366    270,125    279,640    290,989:    13,714      2,365
Old  :   293,354:     5,109     16,699      4,165    270,366    270,125    279,640    290,989:    13,714      2,365
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: August 21, 2012                      :
     :    -1,797:     1,941      2,191     -1,061     -2,234     -2,930     -1,354     -1,800:      -443          3
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.7        5.7        1.4       92.2       92.1       95.3       99.2:       4.7        0.8
Old  :     100.0:       1.7        5.7        1.4       92.2       92.1       95.3       99.2:       4.7        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  :        54:         6          5          5         38         38         46         46:
Old  :        54:         6          5          5         38         38         46         46:
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  :                 47.2       56.6       64.0       71.7       44.6       46.1       56.3       58.6
Old  :                 47.2       56.6       64.0       71.7       44.6       46.1       56.3       58.6
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 28, 2012                 
-------------------------------------------------------------------------------------------------------------------
     :   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  :   155,641:       906      4,773      2,743    148,205    143,673    151,854    151,189:     3,787      4,452
Old  :   155,641:       906      4,773      2,743    148,205    143,673    151,854    151,189:     3,787      4,452
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: August 21, 2012                      :
     :    -1,411:      -151     -1,934       -172     -1,884       -207     -2,207     -2,313:       796        902
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.6        3.1        1.8       95.2       92.3       97.6       97.1:       2.4        2.9
Old  :     100.0:       0.6        3.1        1.8       95.2       92.3       97.6       97.1:       2.4        2.9
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  :        38:         1          4          1         31         32         33         36:
Old  :        38:         1          4          1         31         32         33         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  :                 63.9       39.1       80.4       56.9       51.2       34.2       59.1       43.7
Old  :                 63.9       39.1       80.4       56.9       51.2       34.2       59.1       43.7
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 28, 2012                 
-------------------------------------------------------------------------------------------------------------------
     :   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  :   269,987:     1,650      8,701      2,214    260,192    251,379    264,056    262,294:     5,931      7,693
Old  :   269,987:     1,650      8,701      2,214    260,192    251,379    264,056    262,294:     5,931      7,693
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: August 21, 2012                      :
     :     7,053:      -360      1,321     -1,109      8,308      6,595      6,839      6,807:       214        246
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.6        3.2        0.8       96.4       93.1       97.8       97.2:       2.2        2.8
Old  :     100.0:       0.6        3.2        0.8       96.4       93.1       97.8       97.2:       2.2        2.8
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  :        46:         1          1          2         38         37         40         39:
Old  :        46:         1          1          2         38         37         40         39:
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  :                 50.1       43.2       73.4       64.6       45.5       27.3       59.7       46.4
Old  :                 50.1       43.2       73.4       64.6       45.5       27.3       59.7       46.4
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 28, 2012                 
-------------------------------------------------------------------------------------------------------------------
     :   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  :   744,141:     6,232      4,278     20,425    715,324    716,285    741,981    740,988:     2,160      3,153
Old  :   744,141:     6,232      4,278     20,425    715,324    716,285    741,981    740,988:     2,160      3,153
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: August 21, 2012                      :
     :     4,849:       916       -331        148      3,479      5,007      4,543      4,824:       306         25
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.8        0.6        2.7       96.1       96.3       99.7       99.6:       0.3        0.4
Old  :     100.0:       0.8        0.6        2.7       96.1       96.3       99.7       99.6:       0.3        0.4
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  :        69:         5          3          8         58         47         66         55:
Old  :        69:         5          3          8         58         47         66         55:
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  :                 37.0       40.7       54.8       60.7       22.1       35.5       37.4       46.8
Old  :                 37.0       40.7       54.8       60.7       22.1       35.5       37.4       46.8
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 28, 2012                 
-------------------------------------------------------------------------------------------------------------------
     :   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  :   218,700:     3,513          0      1,015    207,903    213,763    212,431    214,778:     6,269      3,922
Old  :   218,700:     3,513          0      1,015    207,903    213,763    212,431    214,778:     6,269      3,922
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: August 21, 2012                      :
     :     2,643:       793          0       -593      1,358      2,983      1,558      2,390:     1,085        253
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.6        0.0        0.5       95.1       97.7       97.1       98.2:       2.9        1.8
Old  :     100.0:       1.6        0.0        0.5       95.1       97.7       97.1       98.2:       2.9        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  :        43:         3          0          1         31         32         34         33:
Old  :        43:         3          0          1         31         32         34         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  :                 49.2       56.6       72.2       74.0       38.1       56.5       57.9       68.7
Old  :                 49.2       56.6       72.2       74.0       38.1       56.5       57.9       68.7
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 28, 2012                 
-------------------------------------------------------------------------------------------------------------------
     :   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  :   293,777:    20,901      1,547     13,213    252,812    275,006    286,926    289,766:     6,851      4,011
Old  :   293,777:    20,901      1,547     13,213    252,812    275,006    286,926    289,766:     6,851      4,011
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: August 21, 2012                      :
     :     9,138:    -1,482        -41       -182     10,993     14,330      9,329     14,107:      -191     -4,969
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       7.1        0.5        4.5       86.1       93.6       97.7       98.6:       2.3        1.4
Old  :     100.0:       7.1        0.5        4.5       86.1       93.6       97.7       98.6:       2.3        1.4
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  :        56:         4          2          5         42         43         47         49:
Old  :        56:         4          2          5         42         43         47         49:
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  :                 37.5       41.2       55.8       56.7       30.1       39.9       48.0       52.8
Old  :                 37.5       41.2       55.8       56.7       30.1       39.9       48.0       52.8
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 28, 2012                 
-------------------------------------------------------------------------------------------------------------------
     :   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  :   147,283:    10,699        480      8,448    124,554    131,823    143,701    140,751:     3,582      6,532
Old  :   147,283:    10,699        480      8,448    124,554    131,823    143,701    140,751:     3,582      6,532
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: August 21, 2012                      :
     :     5,380:    -2,698        180      2,251      5,333      2,641      4,886      5,072:       494        308
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       7.3        0.3        5.7       84.6       89.5       97.6       95.6:       2.4        4.4
Old  :     100.0:       7.3        0.3        5.7       84.6       89.5       97.6       95.6:       2.4        4.4
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:         6          1          3         39         35         45         39:
Old  :        51:         6          1          3         39         35         45         39:
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       45.1       66.3       66.1       45.9       41.9       55.8       54.0
Old  :                 52.5       45.1       66.3       66.1       45.9       41.9       55.8       54.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
```

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Updated August 31, 2012