```
NATURAL GAS ICE HENRY HUB - ICE OTC                                                                     Code-023391
Commitments of Traders with Delta-adjusted Options and Futures Combined, December 14, 2010               
-------------------------------------------------------------------------------------------------------------------
     :   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  : 4,105,425:   295,600     64,827  1,367,081  2,414,477  2,651,319  4,077,158  4,083,227:    28,267     22,198
Old  : 4,105,425:   295,600     64,827  1,367,081  2,414,477  2,651,319  4,077,158  4,083,227:    28,267     22,198
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 7, 2010                     :
     :   185,943:    23,648    -18,828    121,015     39,043     83,657    183,706    185,844:     2,237         99
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       7.2        1.6       33.3       58.8       64.6       99.3       99.5:       0.7        0.5
Old  :     100.0:       7.2        1.6       33.3       58.8       64.6       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  :       220:        43         30         70        137        129        209        201:
Old  :       220:        43         30         70        137        129        209        201:
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  :                 22.9       24.1       34.6       38.0       11.9       19.1       17.1       24.6
Old  :                 22.9       24.1       34.6       38.0       11.9       19.1       17.1       24.6
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, December 14, 2010               
-------------------------------------------------------------------------------------------------------------------
     :   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  :   319,915:    23,726      5,597     11,051    264,356    297,756    299,133    314,404:    20,782      5,511
Old  :   319,915:    23,726      5,597     11,051    264,356    297,756    299,133    314,404:    20,782      5,511
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 7, 2010                     :
     :    -2,119:    -3,222     -2,182      2,312     -1,870     -1,370     -2,780     -1,240:       661       -879
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       7.4        1.7        3.5       82.6       93.1       93.5       98.3:       6.5        1.7
Old  :     100.0:       7.4        1.7        3.5       82.6       93.1       93.5       98.3:       6.5        1.7
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  :        50:         4          4          7         36         35         44         42:
Old  :        50:         4          4          7         36         35         44         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  :                 35.8       55.2       53.6       72.1       23.1       36.3       34.8       40.7
Old  :                 35.8       55.2       53.6       72.1       23.1       36.3       34.8       40.7
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, December 14, 2010               
-------------------------------------------------------------------------------------------------------------------
     :   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  :   186,149:    10,318      5,404      3,574    169,265    172,475    183,157    181,453:     2,992      4,696
Old  :   186,149:    10,318      5,404      3,574    169,265    172,475    183,157    181,453:     2,992      4,696
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 7, 2010                     :
     :     1,873:     1,296     -1,022        977     -1,813        446        460        401:     1,413      1,472
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       5.5        2.9        1.9       90.9       92.7       98.4       97.5:       1.6        2.5
Old  :     100.0:       5.5        2.9        1.9       90.9       92.7       98.4       97.5:       1.6        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  :        48:         5          4          4         31         35         39         40:
Old  :        48:         5          4          4         31         35         39         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  :                 60.1       37.4       73.7       60.3       58.5       34.8       70.3       56.3
Old  :                 60.1       37.4       73.7       60.3       58.5       34.8       70.3       56.3
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, December 14, 2010               
-------------------------------------------------------------------------------------------------------------------
     :   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  :   349,181:     2,985      8,848     29,977    311,304    306,940    344,266    345,765:     4,915      3,416
Old  :   349,181:     2,985      8,848     29,977    311,304    306,940    344,266    345,765:     4,915      3,416
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 7, 2010                     :
     :     1,192:       128     -1,381          4        474      3,508        606      2,131:       586       -939
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.9        2.5        8.6       89.2       87.9       98.6       99.0:       1.4        1.0
Old  :     100.0:       0.9        2.5        8.6       89.2       87.9       98.6       99.0:       1.4        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  :        45:         3          6          6         33         29         41         36:
Old  :        45:         3          6          6         33         29         41         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  :                 44.6       46.8       64.7       70.9       42.4       38.3       54.5       54.4
Old  :                 44.6       46.8       64.7       70.9       42.4       38.3       54.5       54.4
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, December 14, 2010               
-------------------------------------------------------------------------------------------------------------------
     :   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  :   678,939:     6,180      5,526     34,735    633,030    635,746    673,945    676,007:     4,994      2,932
Old  :   678,939:     6,180      5,526     34,735    633,030    635,746    673,945    676,007:     4,994      2,932
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 7, 2010                     :
     :    11,821:    -2,324     -2,368      1,817     12,011     11,687     11,504     11,136:       317        685
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.9        0.8        5.1       93.2       93.6       99.3       99.6:       0.7        0.4
Old  :     100.0:       0.9        0.8        5.1       93.2       93.6       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  :        67:         4          2          5         57         47         62         53:
Old  :        67:         4          2          5         57         47         62         53:
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       43.4       54.0       59.8       26.2       34.0       39.5       44.5
Old  :                 38.2       43.4       54.0       59.8       26.2       34.0       39.5       44.5
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, December 14, 2010               
-------------------------------------------------------------------------------------------------------------------
     :   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  :   190,342:    15,737      1,552      4,591    161,423    174,594    181,751    180,737:     8,591      9,605
Old  :   190,342:    15,737      1,552      4,591    161,423    174,594    181,751    180,737:     8,591      9,605
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 7, 2010                     :
     :     1,682:       420       -249       -146      3,762      2,769      4,036      2,374:    -2,354       -692
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       8.3        0.8        2.4       84.8       91.7       95.5       95.0:       4.5        5.0
Old  :     100.0:       8.3        0.8        2.4       84.8       91.7       95.5       95.0:       4.5        5.0
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  :        39:         4          1          5         27         28         32         33:
Old  :        39:         4          1          5         27         28         32         33:
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  :                 48.0       63.6       64.1       77.8       45.6       63.4       60.1       72.5
Old  :                 48.0       63.6       64.1       77.8       45.6       63.4       60.1       72.5
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, December 14, 2010               
-------------------------------------------------------------------------------------------------------------------
     :   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  :   346,806:    19,334     43,855     22,495    296,958    274,941    338,787    341,291:     8,019      5,515
Old  :   346,806:    19,334     43,855     22,495    296,958    274,941    338,787    341,291:     8,019      5,515
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 7, 2010                     :
     :     5,405:    -1,637     16,292     -6,775     13,182     -5,875      4,770      3,642:       635      1,763
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       5.6       12.6        6.5       85.6       79.3       97.7       98.4:       2.3        1.6
Old  :     100.0:       5.6       12.6        6.5       85.6       79.3       97.7       98.4:       2.3        1.6
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  :        59:         4          4          7         41         41         49         48:
Old  :        59:         4          4          7         41         41         49         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  :                 34.6       38.5       52.9       55.4       29.8       33.0       42.4       46.5
Old  :                 34.6       38.5       52.9       55.4       29.8       33.0       42.4       46.5
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, December 14, 2010               
-------------------------------------------------------------------------------------------------------------------
     :   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  :   120,487:     6,369     18,674      8,493     99,719     82,566    114,581    109,733:     5,906     10,754
Old  :   120,487:     6,369     18,674      8,493     99,719     82,566    114,581    109,733:     5,906     10,754
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 7, 2010                     :
     :     4,410:         0       -207      2,217      2,756      2,347      4,973      4,357:      -563         53
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       5.3       15.5        7.0       82.8       68.5       95.1       91.1:       4.9        8.9
Old  :     100.0:       5.3       15.5        7.0       82.8       68.5       95.1       91.1:       4.9        8.9
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  :        38:         2          3          2         28         23         31         27:
Old  :        38:         2          3          2         28         23         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  :                 37.2       37.5       55.0       64.2       26.9       36.6       37.9       52.3
Old  :                 37.2       37.5       55.0       64.2       26.9       36.6       37.9       52.3
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
```

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Updated December 17, 2010