```
NATURAL GAS ICE HENRY HUB - ICE OTC                                                                     Code-023391
Commitments of Traders with Delta-adjusted Options and Futures Combined, May 3, 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  : 4,915,473:   534,170     89,488  1,789,445  2,558,574  3,015,291  4,882,189  4,894,224:    33,284     21,249
Old  : 4,915,473:   534,170     89,488  1,789,445  2,558,574  3,015,291  4,882,189  4,894,224:    33,284     21,249
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 26, 2011                       :
     :   -34,575:    89,582     -9,736       -530   -124,977    -29,104    -35,925    -39,370:     1,350      4,795
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      10.9        1.8       36.4       52.1       61.3       99.3       99.6:       0.7        0.4
Old  :     100.0:      10.9        1.8       36.4       52.1       61.3       99.3       99.6:       0.7        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  :       229:        54         24         69        134        138        209        211:
Old  :       229:        54         24         69        134        138        209        211:
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  :                 24.8       26.1       39.1       40.7        9.8       18.2       14.8       24.7
Old  :                 24.8       26.1       39.1       40.7        9.8       18.2       14.8       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 3, 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  :   381,990:    11,416     16,715     32,185    325,527    329,739    369,128    378,639:    12,862      3,351
Old  :   381,990:    11,416     16,715     32,185    325,527    329,739    369,128    378,639:    12,862      3,351
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 26, 2011                       :
     :    -5,249:    -3,317      4,480      4,053     -6,762    -12,873     -6,026     -4,340:       777       -909
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.0        4.4        8.4       85.2       86.3       96.6       99.1:       3.4        0.9
Old  :     100.0:       3.0        4.4        8.4       85.2       86.3       96.6       99.1:       3.4        0.9
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        60:         6          5          8         45         42         55         51:
Old  :        60:         6          5          8         45         42         55         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  :                 32.7       45.9       52.2       68.5       22.5       30.7       32.7       38.7
Old  :                 32.7       45.9       52.2       68.5       22.5       30.7       32.7       38.7
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 3, 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  :   177,481:     4,657      6,508      4,285    163,801    164,354    172,743    175,147:     4,738      2,334
Old  :   177,481:     4,657      6,508      4,285    163,801    164,354    172,743    175,147:     4,738      2,334
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 26, 2011                       :
     :   -10,945:     1,656      3,147       -711    -10,755    -12,183     -9,810     -9,747:    -1,135     -1,198
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       2.6        3.7        2.4       92.3       92.6       97.3       98.7:       2.7        1.3
Old  :     100.0:       2.6        3.7        2.4       92.3       92.6       97.3       98.7:       2.7        1.3
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  :        48:         5          3          5         39         35         45         42:
Old  :        48:         5          3          5         39         35         45         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  :                 52.2       39.2       73.2       62.2       49.9       35.6       62.7       53.6
Old  :                 52.2       39.2       73.2       62.2       49.9       35.6       62.7       53.6
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 3, 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  :   309,416:     5,251      3,480     16,271    281,953    283,519    303,475    303,270:     5,941      6,146
Old  :   309,416:     5,251      3,480     16,271    281,953    283,519    303,475    303,270:     5,941      6,146
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 26, 2011                       :
     :    -5,885:    -4,213     -1,452      1,678     -2,242     -7,424     -4,777     -7,198:    -1,108      1,313
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.7        1.1        5.3       91.1       91.6       98.1       98.0:       1.9        2.0
Old  :     100.0:       1.7        1.1        5.3       91.1       91.6       98.1       98.0:       1.9        2.0
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  :        49:         4          4          4         36         31         42         37:
Old  :        49:         4          4          4         36         31         42         37:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 41.9       46.4       60.6       70.0       39.7       38.6       53.1       59.3
Old  :                 41.9       46.4       60.6       70.0       39.7       38.6       53.1       59.3
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, May 3, 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  :   686,416:       810     30,840     28,916    651,805    623,565    681,531    683,321:     4,885      3,095
Old  :   686,416:       810     30,840     28,916    651,805    623,565    681,531    683,321:     4,885      3,095
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 26, 2011                       :
     :   -70,609:      -841    -13,937    -21,009    -49,146    -34,811    -70,996    -69,757:       387       -852
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.1        4.5        4.2       95.0       90.8       99.3       99.5:       0.7        0.5
Old  :     100.0:       0.1        4.5        4.2       95.0       90.8       99.3       99.5:       0.7        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         10         10         55         49         65         60:
Old  :        70:         1         10         10         55         49         65         60:
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  :                 42.7       38.3       56.7       54.7       31.1       27.4       43.5       38.9
Old  :                 42.7       38.3       56.7       54.7       31.1       27.4       43.5       38.9
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 3, 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  :   189,041:     9,786          0      2,085    170,013    175,068    181,884    177,153:     7,157     11,888
Old  :   189,041:     9,786          0      2,085    170,013    175,068    181,884    177,153:     7,157     11,888
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 26, 2011                       :
     :   -11,181:      -435     -4,563        530    -10,226     -9,286    -10,131    -13,319:    -1,050      2,138
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       5.2        0.0        1.1       89.9       92.6       96.2       93.7:       3.8        6.3
Old  :     100.0:       5.2        0.0        1.1       89.9       92.6       96.2       93.7:       3.8        6.3
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  :        37:         3          0          2         28         25         31         27:
Old  :        37:         3          0          2         28         25         31         27:
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  :                 50.9       64.2       66.1       77.1       49.5       61.6       62.6       70.4
Old  :                 50.9       64.2       66.1       77.1       49.5       61.6       62.6       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, May 3, 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  :   316,272:    13,930     43,417      6,704    289,260    259,490    309,894    309,611:     6,378      6,661
Old  :   316,272:    13,930     43,417      6,704    289,260    259,490    309,894    309,611:     6,378      6,661
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 26, 2011                       :
     :   -16,450:       833      3,429     -5,656     -9,524    -12,662    -14,347    -14,889:    -2,103     -1,561
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       4.4       13.7        2.1       91.5       82.0       98.0       97.9:       2.0        2.1
Old  :     100.0:       4.4       13.7        2.1       91.5       82.0       98.0       97.9:       2.0        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  :        59:         4          1          4         44         45         49         49:
Old  :        59:         4          1          4         44         45         49         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  :                 29.3       46.1       54.1       59.5       26.0       42.4       42.7       52.2
Old  :                 29.3       46.1       54.1       59.5       26.0       42.4       42.7       52.2
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 3, 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  :   201,319:     5,869     10,629      8,220    183,472    176,820    197,561    195,669:     3,758      5,650
Old  :   201,319:     5,869     10,629      8,220    183,472    176,820    197,561    195,669:     3,758      5,650
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 26, 2011                       :
     :    -9,387:      -851       -927     -3,135     -4,169     -7,886     -8,155    -11,948:    -1,232      2,561
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       2.9        5.3        4.1       91.1       87.8       98.1       97.2:       1.9        2.8
Old  :     100.0:       2.9        5.3        4.1       91.1       87.8       98.1       97.2:       1.9        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:         3          4          7         32         38         39         45:
Old  :        48:         3          4          7         32         38         39         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  :                 63.7       33.4       74.2       53.3       59.0       28.6       64.1       45.2
Old  :                 63.7       33.4       74.2       53.3       59.0       28.6       64.1       45.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
```

----

Updated May 6, 2011