```
NATURAL GAS ICE HENRY HUB - ICE OTC                                                                     Code-023391
Commitments of Traders with Delta-adjusted Options and Futures Combined, May 24, 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  : 4,781,239:   458,944    134,753  1,644,761  2,634,832  2,973,239  4,738,537  4,752,753:    42,702     28,486
Old  : 4,781,239:   458,944    134,753  1,644,761  2,634,832  2,973,239  4,738,537  4,752,753:    42,702     28,486
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 17, 2011                         :
     :   -38,576:    23,735        857    -85,095     10,681     36,178    -50,679    -48,060:    12,103      9,484
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       9.6        2.8       34.4       55.1       62.2       99.1       99.4:       0.9        0.6
Old  :     100.0:       9.6        2.8       34.4       55.1       62.2       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  :       225:        42         31         64        139        138        208        206:
Old  :       225:        42         31         64        139        138        208        206:
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  :                 24.4       24.2       38.2       39.3       11.0       18.2       16.5       25.7
Old  :                 24.4       24.2       38.2       39.3       11.0       18.2       16.5       25.7
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
SOCAL BORDER FIN BASIS - ICE OTC                                                                        Code-023393
Commitments of Traders with Delta-adjusted Options and Futures Combined, May 24, 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  :   399,762:    17,263     12,590     27,009    342,606    357,108    386,878    396,707:    12,884      3,055
Old  :   399,762:    17,263     12,590     27,009    342,606    357,108    386,878    396,707:    12,884      3,055
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 17, 2011                         :
     :     9,167:     1,523       -229      2,193      4,808      6,538      8,524      8,502:       643        665
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       4.3        3.1        6.8       85.7       89.3       96.8       99.2:       3.2        0.8
Old  :     100.0:       4.3        3.1        6.8       85.7       89.3       96.8       99.2:       3.2        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  :        60:         9          3         11         43         41         55         52:
Old  :        60:         9          3         11         43         41         55         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  :                 30.8       48.6       50.0       68.0       20.9       33.5       32.1       39.7
Old  :                 30.8       48.6       50.0       68.0       20.9       33.5       32.1       39.7
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, May 24, 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  :   179,367:     3,434      4,577      5,722    166,539    164,830    175,695    175,129:     3,672      4,238
Old  :   179,367:     3,434      4,577      5,722    166,539    164,830    175,695    175,129:     3,672      4,238
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 17, 2011                         :
     :    -1,026:    -1,332         45        368       -214     -1,937     -1,178     -1,524:       152        498
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.9        2.6        3.2       92.8       91.9       98.0       97.6:       2.0        2.4
Old  :     100.0:       1.9        2.6        3.2       92.8       91.9       98.0       97.6:       2.0        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  :        47:         4          3          5         40         37         45         44:
Old  :        47:         4          3          5         40         37         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  :                 51.7       37.0       70.3       59.3       50.0       34.0       57.4       47.3
Old  :                 51.7       37.0       70.3       59.3       50.0       34.0       57.4       47.3
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, May 24, 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  :   326,464:     3,397      7,404     14,215    303,328    300,271    320,940    321,890:     5,524      4,574
Old  :   326,464:     3,397      7,404     14,215    303,328    300,271    320,940    321,890:     5,524      4,574
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 17, 2011                         :
     :     3,577:       906      1,139       -807      4,583      3,829      4,682      4,161:    -1,105       -584
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.0        2.3        4.4       92.9       92.0       98.3       98.6:       1.7        1.4
Old  :     100.0:       1.0        2.3        4.4       92.9       92.0       98.3       98.6:       1.7        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  :        54:         3          8          6         38         31         45         41:
Old  :        54:         3          8          6         38         31         45         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  :                 42.0       48.0       61.6       70.9       40.4       37.2       53.7       57.9
Old  :                 42.0       48.0       61.6       70.9       40.4       37.2       53.7       57.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
AECO FIN BASIS - ICE OTC                                                                                Code-023396
Commitments of Traders with Delta-adjusted Options and Futures Combined, May 24, 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  :   687,447:     1,280     32,963     25,490    656,359    624,092    683,129    682,545:     4,318      4,902
Old  :   687,447:     1,280     32,963     25,490    656,359    624,092    683,129    682,545:     4,318      4,902
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 17, 2011                         :
     :    14,704:       246      7,604     -3,058     18,919     10,526     16,107     15,072:    -1,403       -368
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.2        4.8        3.7       95.5       90.8       99.4       99.3:       0.6        0.7
Old  :     100.0:       0.2        4.8        3.7       95.5       90.8       99.4       99.3:       0.6        0.7
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  :        71:         2          8         10         59         52         69         62:
Old  :        71:         2          8         10         59         52         69         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  :                 41.0       38.9       54.8       54.1       28.8       27.9       41.2       37.9
Old  :                 41.0       38.9       54.8       54.1       28.8       27.9       41.2       37.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
CHICAGO FIN BASIS - ICE OTC                                                                             Code-023397
Commitments of Traders with Delta-adjusted Options and Futures Combined, May 24, 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  :   196,250:     9,810      2,156      3,324    175,628    180,318    188,762    185,798:     7,488     10,452
Old  :   196,250:     9,810      2,156      3,324    175,628    180,318    188,762    185,798:     7,488     10,452
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 17, 2011                         :
     :     4,557:      -740       -896      1,877      4,308      4,156      5,445      5,137:      -888       -580
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       5.0        1.1        1.7       89.5       91.9       96.2       94.7:       3.8        5.3
Old  :     100.0:       5.0        1.1        1.7       89.5       91.9       96.2       94.7:       3.8        5.3
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  :        39:         3          1          3         29         26         33         29:
Old  :        39:         3          1          3         29         26         33         29:
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  :                 48.9       63.4       64.4       75.4       46.8       60.0       60.7       69.6
Old  :                 48.9       63.4       64.4       75.4       46.8       60.0       60.7       69.6
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, May 24, 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  :   320,002:    10,704     25,721     19,852    279,895    266,076    310,451    311,649:     9,551      8,353
Old  :   320,002:    10,704     25,721     19,852    279,895    266,076    310,451    311,649:     9,551      8,353
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 17, 2011                         :
     :   -18,391:      -823      4,666     -2,661    -13,596    -20,027    -17,080    -18,022:    -1,311       -369
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.3        8.0        6.2       87.5       83.1       97.0       97.4:       3.0        2.6
Old  :     100.0:       3.3        8.0        6.2       87.5       83.1       97.0       97.4:       3.0        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  :        58:         4          3          5         44         45         50         51:
Old  :        58:         4          3          5         44         45         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  :                 29.5       38.3       51.3       54.8       25.9       29.8       40.8       40.4
Old  :                 29.5       38.3       51.3       54.8       25.9       29.8       40.8       40.4
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, May 24, 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  :   184,267:     9,658     13,706      6,657    163,643    159,272    179,958    179,635:     4,309      4,632
Old  :   184,267:     9,658     13,706      6,657    163,643    159,272    179,958    179,635:     4,309      4,632
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 17, 2011                         :
     :   -11,615:     1,874      3,827     -1,990    -11,958    -15,036    -12,074    -13,199:       459      1,584
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       5.2        7.4        3.6       88.8       86.4       97.7       97.5:       2.3        2.5
Old  :     100.0:       5.2        7.4        3.6       88.8       86.4       97.7       97.5:       2.3        2.5
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  :        47:         3          4          6         32         39         38         46:
Old  :        47:         3          4          6         32         39         38         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  :                 44.4       30.5       64.8       49.4       39.9       24.3       56.2       39.4
Old  :                 44.4       30.5       64.8       49.4       39.9       24.3       56.2       39.4
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
```

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Updated May 27, 2011