```
NATURAL GAS ICE HENRY HUB - ICE OTC                                                                     Code-023391
Commitments of Traders with Delta-adjusted Options and Futures Combined, May 15, 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  : 5,131,594:   767,505    267,582  1,477,457  2,867,929  3,365,721  5,112,891  5,110,760:    18,703     20,834
Old  : 5,131,594:   767,505    267,582  1,477,457  2,867,929  3,365,721  5,112,891  5,110,760:    18,703     20,834
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 8, 2012                          :
     :    -9,277:    36,344    -19,988    -77,096     30,457     81,052    -10,295    -16,032:     1,018      6,755
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      15.0        5.2       28.8       55.9       65.6       99.6       99.6:       0.4        0.4
Old  :     100.0:      15.0        5.2       28.8       55.9       65.6       99.6       99.6:       0.4        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  :       224:        35         34         60        141        137        207        202:
Old  :       224:        35         34         60        141        137        207        202:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 23.6       20.4       40.4       34.7       18.8       17.2       25.6       24.7
Old  :                 23.6       20.4       40.4       34.7       18.8       17.2       25.6       24.7
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 15, 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  :   325,172:     5,716     15,322     10,061    292,455    295,207    308,232    320,590:    16,940      4,582
Old  :   325,172:     5,716     15,322     10,061    292,455    295,207    308,232    320,590:    16,940      4,582
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 8, 2012                          :
     :     1,346:        56     -5,617        -70      1,413      6,998      1,399      1,311:       -53         35
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.8        4.7        3.1       89.9       90.8       94.8       98.6:       5.2        1.4
Old  :     100.0:       1.8        4.7        3.1       89.9       90.8       94.8       98.6:       5.2        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  :        52:         3          5          7         39         39         47         46:
Old  :        52:         3          5          7         39         39         47         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  :                 45.8       52.2       60.6       67.8       43.0       45.2       52.9       54.2
Old  :                 45.8       52.2       60.6       67.8       43.0       45.2       52.9       54.2
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 15, 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  :   176,611:     1,632      9,280      3,718    168,883    161,904    174,233    174,902:     2,378      1,709
Old  :   176,611:     1,632      9,280      3,718    168,883    161,904    174,233    174,902:     2,378      1,709
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 8, 2012                          :
     :     2,865:       498      3,735       -403      3,269       -467      3,364      2,865:      -499          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.9        5.3        2.1       95.6       91.7       98.7       99.0:       1.3        1.0
Old  :     100.0:       0.9        5.3        2.1       95.6       91.7       98.7       99.0:       1.3        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  :        42:         2          2          3         34         36         37         40:
Old  :        42:         2          2          3         34         36         37         40:
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  :                 61.3       36.8       77.3       56.5       56.0       34.2       63.9       50.1
Old  :                 61.3       36.8       77.3       56.5       56.0       34.2       63.9       50.1
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 15, 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  :   271,295:     3,888     17,720      1,494    261,487    236,411    266,869    255,625:     4,426     15,670
Old  :   271,295:     3,888     17,720      1,494    261,487    236,411    266,869    255,625:     4,426     15,670
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 8, 2012                          :
     :     5,213:       649      2,896       -101      4,648      1,768      5,196      4,563:        17        650
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.4        6.5        0.6       96.4       87.1       98.4       94.2:       1.6        5.8
Old  :     100.0:       1.4        6.5        0.6       96.4       87.1       98.4       94.2:       1.6        5.8
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        46:         2          3          4         34         33         39         37:
Old  :        46:         2          3          4         34         33         39         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  :                 50.2       49.4       69.0       69.5       47.8       40.3       64.2       56.7
Old  :                 50.2       49.4       69.0       69.5       47.8       40.3       64.2       56.7
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 15, 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  :   764,949:     2,024     33,734     19,565    740,578    708,036    762,167    761,335:     2,782      3,614
Old  :   764,949:     2,024     33,734     19,565    740,578    708,036    762,167    761,335:     2,782      3,614
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 8, 2012                          :
     :    19,080:     2,024    -12,729     10,215      7,109     20,956     19,348     18,442:      -268        638
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.3        4.4        2.6       96.8       92.6       99.6       99.5:       0.4        0.5
Old  :     100.0:       0.3        4.4        2.6       96.8       92.6       99.6       99.5:       0.4        0.5
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  :        70:         1          8          7         59         50         66         59:
Old  :        70:         1          8          7         59         50         66         59:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 37.5       37.2       57.2       54.4       32.1       30.4       46.7       40.4
Old  :                 37.5       37.2       57.2       54.4       32.1       30.4       46.7       40.4
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 15, 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  :   228,135:    15,130          0      1,338    203,374    221,891    219,842    223,229:     8,293      4,906
Old  :   228,135:    15,130          0      1,338    203,374    221,891    219,842    223,229:     8,293      4,906
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 8, 2012                          :
     :     2,903:       923          0       -197      2,225      2,514      2,951      2,317:       -48        586
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       6.6        0.0        0.6       89.1       97.3       96.4       97.8:       3.6        2.2
Old  :     100.0:       6.6        0.0        0.6       89.1       97.3       96.4       97.8:       3.6        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  :        39:         2          0          2         27         28         29         30:
Old  :        39:         2          0          2         27         28         29         30:
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       58.5       69.2       78.6       40.3       58.4       57.0       70.3
Old  :                 48.5       58.5       69.2       78.6       40.3       58.4       57.0       70.3
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 15, 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  :   362,809:     3,305     15,711     39,698    312,430    298,825    355,433    354,234:     7,376      8,575
Old  :   362,809:     3,305     15,711     39,698    312,430    298,825    355,433    354,234:     7,376      8,575
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 8, 2012                          :
     :      -215:      -683      2,171      2,828     -2,330     -5,214       -185       -215:       -30          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.9        4.3       10.9       86.1       82.4       98.0       97.6:       2.0        2.4
Old  :     100.0:       0.9        4.3       10.9       86.1       82.4       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  :        58:         3          5          5         40         41         46         48:
Old  :        58:         3          5          5         40         41         46         48:
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  :                 38.2       54.9       57.0       67.0       32.7       45.5       47.3       55.5
Old  :                 38.2       54.9       57.0       67.0       32.7       45.5       47.3       55.5
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 15, 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  :   193,977:    25,118     12,286      3,470    162,927    172,881    191,515    188,637:     2,462      5,340
Old  :   193,977:    25,118     12,286      3,470    162,927    172,881    191,515    188,637:     2,462      5,340
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 8, 2012                          :
     :    -4,088:     4,429     -3,768       -528     -7,993         23     -4,092     -4,273:         4        185
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      12.9        6.3        1.8       84.0       89.1       98.7       97.2:       1.3        2.8
Old  :     100.0:      12.9        6.3        1.8       84.0       89.1       98.7       97.2:       1.3        2.8
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        48:         5          3          2         31         31         36         36:
Old  :        48:         5          3          2         31         31         36         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  :                 55.9       38.4       70.8       57.0       53.7       33.8       63.2       50.5
Old  :                 55.9       38.4       70.8       57.0       53.7       33.8       63.2       50.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
```

----

Updated May 21, 2012