```
NATURAL GAS ICE HENRY HUB - ICE OTC                                                                     Code-023391
Commitments of Traders with Delta-adjusted Options and Futures Combined, September 21, 2010              
-------------------------------------------------------------------------------------------------------------------
     :   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  : 4,027,298:   367,057    152,464  1,265,193  2,369,875  2,593,716  4,002,125  4,011,373:    25,173     15,925
Old  : 4,027,298:   367,057    152,464  1,265,193  2,369,875  2,593,716  4,002,125  4,011,373:    25,173     15,925
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 14, 2010                   :
     :   177,308:    13,915    -60,531     67,015     95,678    173,348    176,608    179,832:       700     -2,524
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       9.1        3.8       31.4       58.8       64.4       99.4       99.6:       0.6        0.4
Old  :     100.0:       9.1        3.8       31.4       58.8       64.4       99.4       99.6:       0.6        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  :       230:        43         38         73        142        129        222        205:
Old  :       230:        43         38         73        142        129        222        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  :                 21.1       26.8       36.2       41.3       11.1       16.8       16.8       22.6
Old  :                 21.1       26.8       36.2       41.3       11.1       16.8       16.8       22.6
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, September 21, 2010              
-------------------------------------------------------------------------------------------------------------------
     :   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  :   373,438:    43,912      8,166     18,113    303,171    343,588    365,196    369,867:     8,242      3,571
Old  :   373,438:    43,912      8,166     18,113    303,171    343,588    365,196    369,867:     8,242      3,571
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 14, 2010                   :
     :     4,374:     8,892     -5,815       -478     -4,240     10,783      4,174      4,490:       200       -116
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      11.8        2.2        4.9       81.2       92.0       97.8       99.0:       2.2        1.0
Old  :     100.0:      11.8        2.2        4.9       81.2       92.0       97.8       99.0:       2.2        1.0
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  :        59:         6          4          8         41         42         50         51:
Old  :        59:         6          4          8         41         42         50         51:
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  :                 40.4       45.7       59.9       64.3       24.9       29.3       37.1       37.0
Old  :                 40.4       45.7       59.9       64.3       24.9       29.3       37.1       37.0
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, September 21, 2010              
-------------------------------------------------------------------------------------------------------------------
     :   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  :   182,821:     6,753        512      6,528    167,293    171,390    180,574    178,430:     2,247      4,391
Old  :   182,821:     6,753        512      6,528    167,293    171,390    180,574    178,430:     2,247      4,391
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 14, 2010                   :
     :    -5,662:      -806     -2,389       -231     -4,268     -2,649     -5,305     -5,269:      -357       -393
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.7        0.3        3.6       91.5       93.7       98.8       97.6:       1.2        2.4
Old  :     100.0:       3.7        0.3        3.6       91.5       93.7       98.8       97.6:       1.2        2.4
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  :        46:         5          2          5         32         37         39         42:
Old  :        46:         5          2          5         32         37         39         42:
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  :                 55.9       35.1       71.3       56.6       55.5       34.3       66.2       52.0
Old  :                 55.9       35.1       71.3       56.6       55.5       34.3       66.2       52.0
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, September 21, 2010              
-------------------------------------------------------------------------------------------------------------------
     :   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  :   363,437:    18,886      1,732      8,671    324,268    349,197    351,825    359,600:    11,612      3,837
Old  :   363,437:    18,886      1,732      8,671    324,268    349,197    351,825    359,600:    11,612      3,837
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 14, 2010                   :
     :   -10,588:       455        456          1    -14,145    -11,660    -13,689    -11,203:     3,101        615
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       5.2        0.5        2.4       89.2       96.1       96.8       98.9:       3.2        1.1
Old  :     100.0:       5.2        0.5        2.4       89.2       96.1       96.8       98.9:       3.2        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  :        44:         3          3          5         36         32         42         37:
Old  :        44:         3          3          5         36         32         42         37:
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  :                 39.1       59.4       58.9       81.5       38.4       51.1       53.7       66.0
Old  :                 39.1       59.4       58.9       81.5       38.4       51.1       53.7       66.0
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, September 21, 2010              
-------------------------------------------------------------------------------------------------------------------
     :   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  :   594,314:         0     28,957     39,070    552,878    525,080    591,948    593,107:     2,366      1,207
Old  :   594,314:         0     28,957     39,070    552,878    525,080    591,948    593,107:     2,366      1,207
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 14, 2010                   :
     :    34,477:    -2,025       -327      4,846     31,917     30,273     34,738     34,792:      -261       -315
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0        4.9        6.6       93.0       88.4       99.6       99.8:       0.4        0.2
Old  :     100.0:       0.0        4.9        6.6       93.0       88.4       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  :        69:         0         10          6         57         48         63         58:
Old  :        69:         0         10          6         57         48         63         58:
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  :                 38.0       43.0       54.5       57.6       23.1       24.1       33.5       33.1
Old  :                 38.0       43.0       54.5       57.6       23.1       24.1       33.5       33.1
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, September 21, 2010              
-------------------------------------------------------------------------------------------------------------------
     :   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  :   196,183:    27,885      1,090      5,493    154,182    181,902    187,560    188,485:     8,623      7,698
Old  :   196,183:    27,885      1,090      5,493    154,182    181,902    187,560    188,485:     8,623      7,698
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 14, 2010                   :
     :     1,807:       980        315     -1,218      1,070      2,131        832      1,228:       975        579
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      14.2        0.6        2.8       78.6       92.7       95.6       96.1:       4.4        3.9
Old  :     100.0:      14.2        0.6        2.8       78.6       92.7       95.6       96.1:       4.4        3.9
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  :        43:         5          3          5         28         26         36         31:
Old  :        43:         5          3          5         28         26         36         31:
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  :                 44.3       59.2       64.0       72.0       38.3       58.2       57.3       68.5
Old  :                 44.3       59.2       64.0       72.0       38.3       58.2       57.3       68.5
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, September 21, 2010              
-------------------------------------------------------------------------------------------------------------------
     :   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  :   390,745:    19,946     83,087     18,730    344,989    281,968    383,665    383,785:     7,080      6,960
Old  :   390,745:    19,946     83,087     18,730    344,989    281,968    383,665    383,785:     7,080      6,960
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 14, 2010                   :
     :      -965:       -57     12,650     -8,554      9,108     -3,355        497        741:    -1,462     -1,706
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       5.1       21.3        4.8       88.3       72.2       98.2       98.2:       1.8        1.8
Old  :     100.0:       5.1       21.3        4.8       88.3       72.2       98.2       98.2:       1.8        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  :        60:         3          6          8         45         42         54         50:
Old  :        60:         3          6          8         45         42         54         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  :                 28.5       38.2       48.7       54.1       23.6       34.1       38.0       44.4
Old  :                 28.5       38.2       48.7       54.1       23.6       34.1       38.0       44.4
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, September 21, 2010              
-------------------------------------------------------------------------------------------------------------------
     :   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  :   174,463:    14,372     42,469      8,069    149,003    118,031    171,444    168,569:     3,019      5,894
Old  :   174,463:    14,372     42,469      8,069    149,003    118,031    171,444    168,569:     3,019      5,894
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 14, 2010                   :
     :     2,287:     1,973     -3,048        793       -757      5,269      2,009      3,014:       278       -727
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       8.2       24.3        4.6       85.4       67.7       98.3       96.6:       1.7        3.4
Old  :     100.0:       8.2       24.3        4.6       85.4       67.7       98.3       96.6:       1.7        3.4
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  :        48:         5          2          6         35         35         42         41:
Old  :        48:         5          2          6         35         35         42         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  :                 40.5       48.4       56.5       64.4       33.7       46.8       47.6       60.4
Old  :                 40.5       48.4       56.5       64.4       33.7       46.8       47.6       60.4
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
```

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Updated September 24, 2010