```
NATURAL GAS ICE HENRY HUB - ICE OTC                                                                     Code-023391
Commitments of Traders with Delta-adjusted Options and Futures Combined, July 26, 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  : 4,711,336:   549,026    247,347  1,474,307  2,647,633  2,962,209  4,670,966  4,683,863:    40,370     27,473
Old  : 4,711,336:   549,026    247,347  1,474,307  2,647,633  2,962,209  4,670,966  4,683,863:    40,370     27,473
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 19, 2011                        :
     :   -74,846:    -6,595     26,101    -32,720    -36,031    -69,436    -75,346    -76,055:       500      1,209
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      11.7        5.3       31.3       56.2       62.9       99.1       99.4:       0.9        0.6
Old  :     100.0:      11.7        5.3       31.3       56.2       62.9       99.1       99.4:       0.9        0.6
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  :       232:        40         39         70        142        141        215        217:
Old  :       232:        40         39         70        142        141        215        217:
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  :                 23.7       22.0       37.5       37.3       14.4       18.8       20.4       27.1
Old  :                 23.7       22.0       37.5       37.3       14.4       18.8       20.4       27.1
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, July 26, 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  :   370,309:    14,698     16,829     22,795    317,463    325,641    354,956    365,265:    15,353      5,044
Old  :   370,309:    14,698     16,829     22,795    317,463    325,641    354,956    365,265:    15,353      5,044
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 19, 2011                        :
     :     1,953:     2,500     -1,496      2,040     -4,405         22        135        566:     1,818      1,387
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       4.0        4.5        6.2       85.7       87.9       95.9       98.6:       4.1        1.4
Old  :     100.0:       4.0        4.5        6.2       85.7       87.9       95.9       98.6:       4.1        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  :        64:         7          7         11         43         44         55         57:
Old  :        64:         7          7         11         43         44         55         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       41.6       51.4       59.1       27.6       33.4       37.0       41.4
Old  :                 35.3       41.6       51.4       59.1       27.6       33.4       37.0       41.4
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, July 26, 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  :   192,434:    11,694      4,302      4,502    172,147    180,143    188,343    188,947:     4,091      3,487
Old  :   192,434:    11,694      4,302      4,502    172,147    180,143    188,343    188,947:     4,091      3,487
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 19, 2011                        :
     :     3,532:     2,111       -227        -91      1,450      3,819      3,470      3,501:        62         31
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       6.1        2.2        2.3       89.5       93.6       97.9       98.2:       2.1        1.8
Old  :     100.0:       6.1        2.2        2.3       89.5       93.6       97.9       98.2:       2.1        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  :                 43.2       42.5       59.0       63.3       35.9       37.6       46.4       51.3
Old  :                 43.2       42.5       59.0       63.3       35.9       37.6       46.4       51.3
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, July 26, 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  :   321,510:         0     23,238      9,531    309,651    282,807    319,182    315,576:     2,328      5,934
Old  :   321,510:         0     23,238      9,531    309,651    282,807    319,182    315,576:     2,328      5,934
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 19, 2011                        :
     :     4,092:         0      4,425     -1,044      6,134        288      5,090      3,669:      -998        423
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0        7.2        3.0       96.3       88.0       99.3       98.2:       0.7        1.8
Old  :     100.0:       0.0        7.2        3.0       96.3       88.0       99.3       98.2:       0.7        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  :        54:         0          8          4         41         36         45         44:
Old  :        54:         0          8          4         41         36         45         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  :                 46.2       42.3       66.2       65.7       43.7       37.8       60.6       54.8
Old  :                 46.2       42.3       66.2       65.7       43.7       37.8       60.6       54.8
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, July 26, 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  :   675,868:       239     46,055     21,992    650,206    604,921    672,437    672,968:     3,431      2,900
Old  :   675,868:       239     46,055     21,992    650,206    604,921    672,437    672,968:     3,431      2,900
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 19, 2011                        :
     :    14,717:        90      5,328     -1,320     17,199     12,074     15,969     16,082:    -1,252     -1,365
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0        6.8        3.3       96.2       89.5       99.5       99.6:       0.5        0.4
Old  :     100.0:       0.0        6.8        3.3       96.2       89.5       99.5       99.6:       0.5        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  :        74:         2         10         11         59         51         70         63:
Old  :        74:         2         10         11         59         51         70         63:
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  :                 29.4       37.9       45.8       53.6       24.6       27.5       38.1       39.8
Old  :                 29.4       37.9       45.8       53.6       24.6       27.5       38.1       39.8
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, July 26, 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  :   201,354:     6,181      8,942      5,750    182,737    178,120    194,668    192,812:     6,686      8,542
Old  :   201,354:     6,181      8,942      5,750    182,737    178,120    194,668    192,812:     6,686      8,542
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 19, 2011                        :
     :     4,027:      -220     -2,255      1,327      2,192      3,566      3,299      2,638:       728      1,389
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.1        4.4        2.9       90.8       88.5       96.7       95.8:       3.3        4.2
Old  :     100.0:       3.1        4.4        2.9       90.8       88.5       96.7       95.8:       3.3        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  :        40:         3          1          4         32         27         36         31:
Old  :        40:         3          1          4         32         27         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  :                 47.9       61.4       62.2       76.4       44.9       60.0       58.0       70.4
Old  :                 47.9       61.4       62.2       76.4       44.9       60.0       58.0       70.4
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, July 26, 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  :   316,624:     4,934     28,628     19,202    285,947    261,152    310,083    308,982:     6,541      7,642
Old  :   316,624:     4,934     28,628     19,202    285,947    261,152    310,083    308,982:     6,541      7,642
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 19, 2011                        :
     :    -1,729:     1,311     -5,300        854     -1,451      2,525        714     -1,921:    -2,443        192
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.6        9.0        6.1       90.3       82.5       97.9       97.6:       2.1        2.4
Old  :     100.0:       1.6        9.0        6.1       90.3       82.5       97.9       97.6:       2.1        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  :        60:         3          4          5         45         44         51         50:
Old  :        60:         3          4          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  :                 31.7       27.8       50.3       44.1       21.3       17.5       33.1       29.1
Old  :                 31.7       27.8       50.3       44.1       21.3       17.5       33.1       29.1
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, July 26, 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  :   163,478:     7,409     15,384      5,905    147,350    138,793    160,664    160,082:     2,814      3,396
Old  :   163,478:     7,409     15,384      5,905    147,350    138,793    160,664    160,082:     2,814      3,396
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 19, 2011                        :
     :    11,933:    -2,539       -466       -297     16,608     13,696     13,772     12,933:    -1,839     -1,000
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       4.5        9.4        3.6       90.1       84.9       98.3       97.9:       1.7        2.1
Old  :     100.0:       4.5        9.4        3.6       90.1       84.9       98.3       97.9:       1.7        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  :        52:         3          4          5         32         43         38         49:
Old  :        52:         3          4          5         32         43         38         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  :                 52.6       24.8       68.9       45.4       51.0       22.6       61.5       40.9
Old  :                 52.6       24.8       68.9       45.4       51.0       22.6       61.5       40.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
```

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Updated July 29, 2011