```
NATURAL GAS ICE HENRY HUB - ICE OTC                                                                     Code-023391
Commitments of Traders with Delta-adjusted Options and Futures Combined, December 20, 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  : 4,776,178:   446,636    402,257  1,452,609  2,774,363  2,818,059  4,673,608  4,672,925:   102,570    103,253
Old  : 4,776,178:   446,636    402,257  1,452,609  2,774,363  2,818,059  4,673,608  4,672,925:   102,570    103,253
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 13, 2011                    :
     :    38,338:    21,844     37,941   -106,789     44,330     28,656    -40,615    -40,192:    78,953     78,530
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       9.4        8.4       30.4       58.1       59.0       97.9       97.8:       2.1        2.2
Old  :     100.0:       9.4        8.4       30.4       58.1       59.0       97.9       97.8:       2.1        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  :       223:        36         31         62        140        132        205        200:
Old  :       223:        36         31         62        140        132        205        200:
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  :                 22.1       20.3       37.0       34.7       16.7       16.0       22.2       24.1
Old  :                 22.1       20.3       37.0       34.7       16.7       16.0       22.2       24.1
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 20, 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  :   324,030:    12,878     24,070      7,853    290,820    285,851    311,551    317,774:    12,479      6,256
Old  :   324,030:    12,878     24,070      7,853    290,820    285,851    311,551    317,774:    12,479      6,256
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 13, 2011                    :
     :    14,734:    -2,379      4,466      1,627     15,012      8,425     14,260     14,518:       474        216
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       4.0        7.4        2.4       89.8       88.2       96.1       98.1:       3.9        1.9
Old  :     100.0:       4.0        7.4        2.4       89.8       88.2       96.1       98.1:       3.9        1.9
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  :        53:         6          2          5         39         37         47         42:
Old  :        53:         6          2          5         39         37         47         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  :                 34.9       48.5       54.3       73.0       27.8       46.4       43.4       58.7
Old  :                 34.9       48.5       54.3       73.0       27.8       46.4       43.4       58.7
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 20, 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  :   164,610:       351          0      5,480    152,800    157,629    158,631    163,109:     5,979      1,501
Old  :   164,610:       351          0      5,480    152,800    157,629    158,631    163,109:     5,979      1,501
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 13, 2011                    :
     :     1,922:       -46          0        649      2,864      2,537      3,467      3,186:    -1,545     -1,264
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.2        0.0        3.3       92.8       95.8       96.4       99.1:       3.6        0.9
Old  :     100.0:       0.2        0.0        3.3       92.8       95.8       96.4       99.1:       3.6        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  :        45:         2          0          2         35         41         37         43:
Old  :        45:         2          0          2         35         41         37         43:
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  :                 57.2       43.2       72.6       60.8       49.7       41.1       59.6       54.5
Old  :                 57.2       43.2       72.6       60.8       49.7       41.1       59.6       54.5
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 20, 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  :   319,599:     5,336     28,677      2,121    306,884    283,604    314,341    314,402:     5,258      5,197
Old  :   319,599:     5,336     28,677      2,121    306,884    283,604    314,341    314,402:     5,258      5,197
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 13, 2011                    :
     :    -3,033:      -853      2,352       -460     -3,089     -4,497     -4,402     -2,605:     1,369       -428
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.7        9.0        0.7       96.0       88.7       98.4       98.4:       1.6        1.6
Old  :     100.0:       1.7        9.0        0.7       96.0       88.7       98.4       98.4:       1.6        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  :        46:         1          4          3         35         34         38         39:
Old  :        46:         1          4          3         35         34         38         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  :                 55.5       42.4       75.5       67.4       54.9       40.2       73.4       61.9
Old  :                 55.5       42.4       75.5       67.4       54.9       40.2       73.4       61.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
AECO FIN BASIS - ICE OTC                                                                                Code-023396
Commitments of Traders with Delta-adjusted Options and Futures Combined, December 20, 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  :   796,297:       651     26,784     22,178    770,940    744,376    793,769    793,338:     2,528      2,959
Old  :   796,297:       651     26,784     22,178    770,940    744,376    793,769    793,338:     2,528      2,959
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 13, 2011                    :
     :    -1,350:        68      3,015       -335     -1,297     -5,958     -1,564     -3,278:       214      1,928
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.1        3.4        2.8       96.8       93.5       99.7       99.6:       0.3        0.4
Old  :     100.0:       0.1        3.4        2.8       96.8       93.5       99.7       99.6:       0.3        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:         1          5          5         55         48         61         53:
Old  :        67:         1          5          5         55         48         61         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  :                 36.8       42.7       56.8       59.1       27.6       28.5       40.9       38.0
Old  :                 36.8       42.7       56.8       59.1       27.6       28.5       40.9       38.0
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 20, 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  :   231,825:     9,458     19,683      4,677    208,281    202,087    222,416    226,447:     9,409      5,378
Old  :   231,825:     9,458     19,683      4,677    208,281    202,087    222,416    226,447:     9,409      5,378
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 13, 2011                    :
     :     5,838:       428          0        103      3,661      4,836      4,192      4,939:     1,646        899
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       4.1        8.5        2.0       89.8       87.2       95.9       97.7:       4.1        2.3
Old  :     100.0:       4.1        8.5        2.0       89.8       87.2       95.9       97.7:       4.1        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  :        46:         2          1          2         37         34         39         37:
Old  :        46:         2          1          2         37         34         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  :                 42.7       58.3       60.9       74.7       38.7       58.1       53.5       71.3
Old  :                 42.7       58.3       60.9       74.7       38.7       58.1       53.5       71.3
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, December 20, 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  :   396,521:     9,898         21     18,283    358,131    371,714    386,312    390,018:    10,209      6,503
Old  :   396,521:     9,898         21     18,283    358,131    371,714    386,312    390,018:    10,209      6,503
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 13, 2011                    :
     :     3,467:        62         21     -2,428      6,580      5,931      4,214      3,524:      -747        -57
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       2.5        0.0        4.6       90.3       93.7       97.4       98.4:       2.6        1.6
Old  :     100.0:       2.5        0.0        4.6       90.3       93.7       97.4       98.4:       2.6        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  :        58:         5          2          6         41         40         48         46:
Old  :        58:         5          2          6         41         40         48         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  :                 32.7       62.2       50.5       73.6       30.5       61.3       46.8       69.3
Old  :                 32.7       62.2       50.5       73.6       30.5       61.3       46.8       69.3
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 20, 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  :   170,274:     6,556      8,004      8,083    152,779    144,953    167,418    161,040:     2,856      9,234
Old  :   170,274:     6,556      8,004      8,083    152,779    144,953    167,418    161,040:     2,856      9,234
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 13, 2011                    :
     :   -12,120:    -5,743        278      4,106    -10,394    -17,663    -12,031    -13,279:       -89      1,159
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.9        4.7        4.7       89.7       85.1       98.3       94.6:       1.7        5.4
Old  :     100.0:       3.9        4.7        4.7       89.7       85.1       98.3       94.6:       1.7        5.4
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  :        39:         3          2          3         26         28         29         33:
Old  :        39:         3          2          3         26         28         29         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  :                 43.3       39.2       64.9       56.2       32.8       32.3       49.1       46.6
Old  :                 43.3       39.2       64.9       56.2       32.8       32.3       49.1       46.6
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
```

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Updated December 23, 2011