```
NATURAL GAS ICE HENRY HUB - ICE OTC                                                                     Code-023391
Commitments of Traders with Delta-adjusted Options and Futures Combined, March 6, 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  : 5,172,917:   616,819    385,902  1,586,170  2,954,435  3,180,910  5,157,424  5,152,982:    15,493     19,935
Old  : 5,172,917:   616,819    385,902  1,586,170  2,954,435  3,180,910  5,157,424  5,152,982:    15,493     19,935
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: February 28, 2012                    :
     :    -6,954:   -76,433    -40,373     51,850      6,980    -28,880    -17,603    -17,403:    10,649     10,449
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      11.9        7.5       30.7       57.1       61.5       99.7       99.6:       0.3        0.4
Old  :     100.0:      11.9        7.5       30.7       57.1       61.5       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  :       224:        33         40         65        139        130        208        201:
Old  :       224:        33         40         65        139        130        208        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  :                 23.7       21.9       40.4       36.0       16.6       15.5       23.8       22.8
Old  :                 23.7       21.9       40.4       36.0       16.6       15.5       23.8       22.8
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
SOCAL BORDER FIN BASIS - ICE OTC                                                                        Code-023393
Commitments of Traders with Delta-adjusted Options and Futures Combined, March 6, 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  :   382,319:    15,746     23,138      7,845    344,413    344,156    368,004    375,139:    14,315      7,180
Old  :   382,319:    15,746     23,138      7,845    344,413    344,156    368,004    375,139:    14,315      7,180
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: February 28, 2012                    :
     :   -15,491:     4,917      3,668     -4,975    -14,812    -15,734    -14,870    -17,041:      -621      1,550
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       4.1        6.1        2.1       90.1       90.0       96.3       98.1:       3.7        1.9
Old  :     100.0:       4.1        6.1        2.1       90.1       90.0       96.3       98.1:       3.7        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  :        52:         5          5          7         36         35         44         44:
Old  :        52:         5          5          7         36         35         44         44:
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  :                 34.2       49.1       59.4       71.5       29.8       40.9       46.8       55.3
Old  :                 34.2       49.1       59.4       71.5       29.8       40.9       46.8       55.3
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PG&E CITYGATE FIN BASIS - ICE OTC                                                                       Code-023394
Commitments of Traders with Delta-adjusted Options and Futures Combined, March 6, 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  :   170,512:     2,319        514      6,129    158,481    162,099    166,929    168,742:     3,583      1,770
Old  :   170,512:     2,319        514      6,129    158,481    162,099    166,929    168,742:     3,583      1,770
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: February 28, 2012                    :
     :    -3,046:       711       -123        557     -4,005     -2,338     -2,737     -1,904:      -309     -1,142
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.4        0.3        3.6       92.9       95.1       97.9       99.0:       2.1        1.0
Old  :     100.0:       1.4        0.3        3.6       92.9       95.1       97.9       99.0:       2.1        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          1          3         32         37         35         40:
Old  :        42:         2          1          3         32         37         35         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  :                 60.0       43.5       74.0       58.6       56.2       39.5       61.9       49.7
Old  :                 60.0       43.5       74.0       58.6       56.2       39.5       61.9       49.7
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
NWP ROCKIES FIN BASIS - ICE OTC                                                                         Code-023395
Commitments of Traders with Delta-adjusted Options and Futures Combined, March 6, 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  :   337,077:    18,036      9,899      5,027    312,203    312,493    335,266    327,419:     1,811      9,658
Old  :   337,077:    18,036      9,899      5,027    312,203    312,493    335,266    327,419:     1,811      9,658
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: February 28, 2012                    :
     :   -14,718:     1,009     -3,874       -389    -14,852    -12,880    -14,232    -17,143:      -486      2,425
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       5.4        2.9        1.5       92.6       92.7       99.5       97.1:       0.5        2.9
Old  :     100.0:       5.4        2.9        1.5       92.6       92.7       99.5       97.1:       0.5        2.9
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  :        46:         3          2          4         30         33         35         37:
Old  :        46:         3          2          4         30         33         35         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  :                 47.4       51.2       70.1       69.3       46.5       44.5       66.8       59.6
Old  :                 47.4       51.2       70.1       69.3       46.5       44.5       66.8       59.6
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
AECO FIN BASIS - ICE OTC                                                                                Code-023396
Commitments of Traders with Delta-adjusted Options and Futures Combined, March 6, 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  :   728,912:       710     54,726     10,374    715,600    658,748    726,684    723,848:     2,228      5,064
Old  :   728,912:       710     54,726     10,374    715,600    658,748    726,684    723,848:     2,228      5,064
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: February 28, 2012                    :
     :   -19,691:       329     13,364     -3,735    -18,257    -34,197    -21,663    -24,568:     1,972      4,877
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.1        7.5        1.4       98.2       90.4       99.7       99.3:       0.3        0.7
Old  :     100.0:       0.1        7.5        1.4       98.2       90.4       99.7       99.3:       0.3        0.7
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        68:         2          7          7         54         46         61         55:
Old  :        68:         2          7          7         54         46         61         55:
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       37.7       55.8       54.6       28.9       29.3       43.5       38.2
Old  :                 38.2       37.7       55.8       54.6       28.9       29.3       43.5       38.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
CHICAGO FIN BASIS - ICE OTC                                                                             Code-023397
Commitments of Traders with Delta-adjusted Options and Futures Combined, March 6, 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  :   236,610:    11,969     13,033      1,144    217,788    218,742    230,901    232,919:     5,709      3,691
Old  :   236,610:    11,969     13,033      1,144    217,788    218,742    230,901    232,919:     5,709      3,691
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: February 28, 2012                    :
     :   -10,292:     2,727     -2,420     -1,415    -13,013     -3,629    -11,701     -7,464:     1,409     -2,828
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       5.1        5.5        0.5       92.0       92.4       97.6       98.4:       2.4        1.6
Old  :     100.0:       5.1        5.5        0.5       92.0       92.4       97.6       98.4:       2.4        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  :        44:         2          3          2         30         28         32         33:
Old  :        44:         2          3          2         30         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  :                 44.7       58.2       67.2       76.1       41.0       58.1       58.8       72.5
Old  :                 44.7       58.2       67.2       76.1       41.0       58.1       58.8       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, March 6, 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  :   391,146:     6,968     10,335     30,946    343,782    345,252    381,696    386,533:     9,450      4,613
Old  :   391,146:     6,968     10,335     30,946    343,782    345,252    381,696    386,533:     9,450      4,613
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: February 28, 2012                    :
     :   -18,478:    -4,441      3,874      2,102    -17,855    -25,331    -20,194    -19,355:     1,716        877
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.8        2.6        7.9       87.9       88.3       97.6       98.8:       2.4        1.2
Old  :     100.0:       1.8        2.6        7.9       87.9       88.3       97.6       98.8:       2.4        1.2
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        56:         3          4          5         39         39         45         45:
Old  :        56:         3          4          5         39         39         45         45:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 36.2       59.3       54.8       70.2       33.3       55.3       47.6       64.3
Old  :                 36.2       59.3       54.8       70.2       33.3       55.3       47.6       64.3
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, March 6, 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  :   251,193:    15,358     30,097      8,518    223,479    205,571    247,355    244,186:     3,838      7,007
Old  :   251,193:    15,358     30,097      8,518    223,479    205,571    247,355    244,186:     3,838      7,007
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: February 28, 2012                    :
     :   -13,429:     1,474         56       -651    -13,876    -11,725    -13,053    -12,320:      -376     -1,109
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       6.1       12.0        3.4       89.0       81.8       98.5       97.2:       1.5        2.8
Old  :     100.0:       6.1       12.0        3.4       89.0       81.8       98.5       97.2:       1.5        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  :        44:         3          4          2         28         28         32         33:
Old  :        44:         3          4          2         28         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  :                 64.1       46.1       76.1       63.2       64.0       42.7       70.7       59.4
Old  :                 64.1       46.1       76.1       63.2       64.0       42.7       70.7       59.4
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
```

----

Updated March 9, 2012