```
NATURAL GAS ICE HENRY HUB - ICE OTC                                                                     Code-023391
Commitments of Traders with Delta-adjusted Options and Futures Combined, February 28, 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  : 5,179,871:   693,252    426,275  1,534,320  2,947,455  3,209,790  5,175,027  5,170,385:     4,844      9,486
Old  : 5,179,871:   693,252    426,275  1,534,320  2,947,455  3,209,790  5,175,027  5,170,385:     4,844      9,486
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: February 21, 2012                    :
     :  -181,416:    29,689    -76,094    -63,370   -141,056    -34,857   -174,737   -174,321:    -6,679     -7,095
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      13.4        8.2       29.6       56.9       62.0       99.9       99.8:       0.1        0.2
Old  :     100.0:      13.4        8.2       29.6       56.9       62.0       99.9       99.8:       0.1        0.2
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  :       226:        35         37         63        141        131        210        200:
Old  :       226:        35         37         63        141        131        210        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  :                 24.1       22.3       40.8       36.5       17.2       15.5       24.2       24.1
Old  :                 24.1       22.3       40.8       36.5       17.2       15.5       24.2       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, February 28, 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  :   397,810:    10,829     19,470     12,820    359,225    359,890    382,874    392,180:    14,936      5,630
Old  :   397,810:    10,829     19,470     12,820    359,225    359,890    382,874    392,180:    14,936      5,630
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: February 21, 2012                    :
     :    30,110:     3,328    -11,494      1,661     26,969     40,140     31,958     30,307:    -1,848       -197
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       2.7        4.9        3.2       90.3       90.5       96.2       98.6:       3.8        1.4
Old  :     100.0:       2.7        4.9        3.2       90.3       90.5       96.2       98.6:       3.8        1.4
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        56:         5          6          9         42         38         52         48:
Old  :        56:         5          6          9         42         38         52         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       49.7       58.2       71.9       29.2       43.2       45.6       55.7
Old  :                 34.6       49.7       58.2       71.9       29.2       43.2       45.6       55.7
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, February 28, 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  :   173,558:     1,608        637      5,572    162,486    164,437    169,666    170,646:     3,892      2,912
Old  :   173,558:     1,608        637      5,572    162,486    164,437    169,666    170,646:     3,892      2,912
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: February 21, 2012                    :
     :     5,721:      -222        637        -44      5,131      4,129      4,865      4,722:       856        999
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.9        0.4        3.2       93.6       94.7       97.8       98.3:       2.2        1.7
Old  :     100.0:       0.9        0.4        3.2       93.6       94.7       97.8       98.3:       2.2        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  :        43:         2          1          2         36         38         38         41:
Old  :        43:         2          1          2         36         38         38         41:
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  :                 57.6       44.1       71.3       59.0       54.6       39.2       60.5       48.9
Old  :                 57.6       44.1       71.3       59.0       54.6       39.2       60.5       48.9
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, February 28, 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  :   351,795:    17,027     13,773      5,416    327,055    325,373    349,498    344,562:     2,297      7,233
Old  :   351,795:    17,027     13,773      5,416    327,055    325,373    349,498    344,562:     2,297      7,233
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: February 21, 2012                    :
     :    21,192:     2,140       -669        855     18,408     24,454     21,403     24,640:      -211     -3,448
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       4.8        3.9        1.5       93.0       92.5       99.3       97.9:       0.7        2.1
Old  :     100.0:       4.8        3.9        1.5       93.0       92.5       99.3       97.9:       0.7        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  :        50:         3          3          6         34         38         40         44:
Old  :        50:         3          3          6         34         38         40         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  :                 46.5       51.0       69.4       69.6       45.4       44.8       65.9       60.7
Old  :                 46.5       51.0       69.4       69.6       45.4       44.8       65.9       60.7
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
AECO FIN BASIS - ICE OTC                                                                                Code-023396
Commitments of Traders with Delta-adjusted Options and Futures Combined, February 28, 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  :   748,603:       381     41,362     14,109    733,857    692,945    748,347    748,416:       256        187
Old  :   748,603:       381     41,362     14,109    733,857    692,945    748,347    748,416:       256        187
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: February 21, 2012                    :
     :     6,473:      -346      5,866       -728      9,139      4,792      8,065      9,930:    -1,592     -3,457
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.1        5.5        1.9       98.0       92.6      100.0      100.0:       0.0        0.0
Old  :     100.0:       0.1        5.5        1.9       98.0       92.6      100.0      100.0:       0.0        0.0
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  :        74:         2          7          8         60         50         68         59:
Old  :        74:         2          7          8         60         50         68         59:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 38.3       39.7       55.5       56.0       29.7       32.3       44.6       41.3
Old  :                 38.3       39.7       55.5       56.0       29.7       32.3       44.6       41.3
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, February 28, 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  :   246,902:     9,242     15,453      2,559    230,801    222,371    242,602    240,383:     4,300      6,519
Old  :   246,902:     9,242     15,453      2,559    230,801    222,371    242,602    240,383:     4,300      6,519
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: February 21, 2012                    :
     :    10,263:       948     -2,148        744      8,995      7,749     10,687      6,345:      -424      3,918
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.7        6.3        1.0       93.5       90.1       98.3       97.4:       1.7        2.6
Old  :     100.0:       3.7        6.3        1.0       93.5       90.1       98.3       97.4:       1.7        2.6
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  :        49:         2          2          2         36         36         38         40:
Old  :        49:         2          2          2         36         36         38         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  :                 44.8       56.6       64.9       73.1       40.2       56.4       54.9       69.4
Old  :                 44.8       56.6       64.9       73.1       40.2       56.4       54.9       69.4
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, February 28, 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  :   409,624:    11,409      6,461     28,844    361,637    370,583    401,890    405,888:     7,734      3,736
Old  :   409,624:    11,409      6,461     28,844    361,637    370,583    401,890    405,888:     7,734      3,736
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: February 21, 2012                    :
     :     1,307:     1,618     -5,813        430        286      8,664      2,334      3,281:    -1,027     -1,974
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       2.8        1.6        7.0       88.3       90.5       98.1       99.1:       1.9        0.9
Old  :     100.0:       2.8        1.6        7.0       88.3       90.5       98.1       99.1:       1.9        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  :        63:         4          3          5         44         48         50         54:
Old  :        63:         4          3          5         44         48         50         54:
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  :                 36.3       58.8       54.9       70.1       33.2       56.3       48.7       64.5
Old  :                 36.3       58.8       54.9       70.1       33.2       56.3       48.7       64.5
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, February 28, 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  :   264,622:    13,884     30,041      9,169    237,355    217,296    260,408    256,506:     4,214      8,116
Old  :   264,622:    13,884     30,041      9,169    237,355    217,296    260,408    256,506:     4,214      8,116
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: February 21, 2012                    :
     :       264:    13,463      2,116       -623    -14,195     -2,095     -1,355       -602:     1,619        866
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       5.2       11.4        3.5       89.7       82.1       98.4       96.9:       1.6        3.1
Old  :     100.0:       5.2       11.4        3.5       89.7       82.1       98.4       96.9:       1.6        3.1
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  :        45:         3          4          4         29         29         34         35:
Old  :        45:         3          4          4         29         29         34         35:
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  :                 63.8       43.2       75.4       60.9       62.8       39.9       69.5       57.2
Old  :                 63.8       43.2       75.4       60.9       62.8       39.9       69.5       57.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
```

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Updated March 2, 2012