```
NATURAL GAS ICE HENRY HUB - ICE OTC                                                                     Code-023391
Commitments of Traders with Delta-adjusted Options and Futures Combined, March 13, 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  : 5,179,674:   586,678    389,168  1,589,187  2,994,231  3,188,047  5,170,096  5,166,402:     9,578     13,272
Old  : 5,179,674:   586,678    389,168  1,589,187  2,994,231  3,188,047  5,170,096  5,166,402:     9,578     13,272
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 6, 2012                        :
     :     6,757:   -30,141      3,266      3,017     39,796      7,137     12,672     13,420:    -5,915     -6,663
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      11.3        7.5       30.7       57.8       61.5       99.8       99.7:       0.2        0.3
Old  :     100.0:      11.3        7.5       30.7       57.8       61.5       99.8       99.7:       0.2        0.3
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :       227:        24         47         62        140        135        206        205:
Old  :       227:        24         47         62        140        135        206        205:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 24.2       21.2       40.7       35.8       17.9       15.5       24.9       22.7
Old  :                 24.2       21.2       40.7       35.8       17.9       15.5       24.9       22.7
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, March 13, 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  :   372,552:     6,817     24,054      7,535    343,899    332,699    358,251    364,288:    14,301      8,264
Old  :   372,552:     6,817     24,054      7,535    343,899    332,699    358,251    364,288:    14,301      8,264
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 6, 2012                        :
     :    -9,767:    -8,929        916       -310       -514    -11,457     -9,753    -10,851:       -14      1,084
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.8        6.5        2.0       92.3       89.3       96.2       97.8:       3.8        2.2
Old  :     100.0:       1.8        6.5        2.0       92.3       89.3       96.2       97.8:       3.8        2.2
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  :        51:         5          4          6         38         35         46         42:
Old  :        51:         5          4          6         38         35         46         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  :                 37.0       48.8       62.1       71.3       31.1       40.9       46.9       55.4
Old  :                 37.0       48.8       62.1       71.3       31.1       40.9       46.9       55.4
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, March 13, 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  :   174,556:     1,443        668      6,577    163,168    164,724    171,188    171,969:     3,368      2,587
Old  :   174,556:     1,443        668      6,577    163,168    164,724    171,188    171,969:     3,368      2,587
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 6, 2012                        :
     :     4,044:      -876        154        448      4,687      2,625      4,259      3,227:      -215        817
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.8        0.4        3.8       93.5       94.4       98.1       98.5:       1.9        1.5
Old  :     100.0:       0.8        0.4        3.8       93.5       94.4       98.1       98.5:       1.9        1.5
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        41:         2          1          3         32         36         35         39:
Old  :        41:         2          1          3         32         36         35         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  :                 58.1       43.0       72.5       58.5       55.5       39.9       61.1       50.2
Old  :                 58.1       43.0       72.5       58.5       55.5       39.9       61.1       50.2
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, March 13, 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  :   324,141:    12,830      9,005      6,127    300,721    295,421    319,678    310,553:     4,463     13,588
Old  :   324,141:    12,830      9,005      6,127    300,721    295,421    319,678    310,553:     4,463     13,588
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 6, 2012                        :
     :   -12,936:    -5,206       -894      1,100    -11,482    -17,072    -15,588    -16,866:     2,652      3,930
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       4.0        2.8        1.9       92.8       91.1       98.6       95.8:       1.4        4.2
Old  :     100.0:       4.0        2.8        1.9       92.8       91.1       98.6       95.8:       1.4        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  :        44:         3          3          5         28         31         34         36:
Old  :        44:         3          3          5         28         31         34         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  :                 48.5       51.0       70.5       69.5       46.6       45.9       67.2       61.3
Old  :                 48.5       51.0       70.5       69.5       46.6       45.9       67.2       61.3
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, March 13, 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  :   724,106:       471     47,831      8,630    713,077    662,657    722,178    719,118:     1,928      4,988
Old  :   724,106:       471     47,831      8,630    713,077    662,657    722,178    719,118:     1,928      4,988
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 6, 2012                        :
     :    -4,806:      -239     -6,895     -1,744     -2,523      3,909     -4,506     -4,730:      -300        -76
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.1        6.6        1.2       98.5       91.5       99.7       99.3:       0.3        0.7
Old  :     100.0:       0.1        6.6        1.2       98.5       91.5       99.7       99.3:       0.3        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  :        69:         1          7          6         56         48         62         56:
Old  :        69:         1          7          6         56         48         62         56:
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  :                 38.9       37.9       57.1       54.2       32.3       29.1       48.0       39.8
Old  :                 38.9       37.9       57.1       54.2       32.3       29.1       48.0       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, March 13, 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  :   241,330:    12,851     11,313      1,363    221,380    222,089    235,594    234,765:     5,736      6,565
Old  :   241,330:    12,851     11,313      1,363    221,380    222,089    235,594    234,765:     5,736      6,565
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 6, 2012                        :
     :     4,720:       882     -1,720        219      3,592      3,347      4,693      1,846:        27      2,874
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       5.3        4.7        0.6       91.7       92.0       97.6       97.3:       2.4        2.7
Old  :     100.0:       5.3        4.7        0.6       91.7       92.0       97.6       97.3:       2.4        2.7
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  :        44:         2          3          2         31         26         33         31:
Old  :        44:         2          3          2         31         26         33         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       58.3       68.1       75.5       40.5       58.1       60.0       71.7
Old  :                 44.3       58.3       68.1       75.5       40.5       58.1       60.0       71.7
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, March 13, 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  :   400,654:     6,493     16,379     31,893    353,002    343,565    391,388    391,837:     9,266      8,817
Old  :   400,654:     6,493     16,379     31,893    353,002    343,565    391,388    391,837:     9,266      8,817
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 6, 2012                        :
     :     9,508:      -475      6,044        947      9,220     -1,687      9,692      5,304:      -184      4,204
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.6        4.1        8.0       88.1       85.8       97.7       97.8:       2.3        2.2
Old  :     100.0:       1.6        4.1        8.0       88.1       85.8       97.7       97.8:       2.3        2.2
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  :        56:         2          5          6         38         39         45         45:
Old  :        56:         2          5          6         38         39         45         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  :                 34.8       59.1       53.3       69.7       32.8       53.4       48.1       63.0
Old  :                 34.8       59.1       53.3       69.7       32.8       53.4       48.1       63.0
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, March 13, 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  :   250,113:    13,762     30,408      7,710    226,413    206,205    247,885    244,323:     2,228      5,790
Old  :   250,113:    13,762     30,408      7,710    226,413    206,205    247,885    244,323:     2,228      5,790
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 6, 2012                        :
     :    -1,080:    -1,596        311       -808      2,934        634        530        137:    -1,610     -1,217
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       5.5       12.2        3.1       90.5       82.4       99.1       97.7:       0.9        2.3
Old  :     100.0:       5.5       12.2        3.1       90.5       82.4       99.1       97.7:       0.9        2.3
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  :        47:         2          5          2         31         31         35         36:
Old  :        47:         2          5          2         31         31         35         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  :                 65.2       46.6       77.0       63.5       64.8       43.2       71.1       59.6
Old  :                 65.2       46.6       77.0       63.5       64.8       43.2       71.1       59.6
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
```

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Updated March 16, 2012