```
NATURAL GAS ICE HENRY HUB - ICE OTC                                                                     Code-023391
Commitments of Traders with Delta-adjusted Options and Futures Combined, April 10, 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  : 5,205,865:   640,729    373,464  1,629,747  2,858,087  3,125,306  5,128,563  5,128,517:    77,302     77,348
Old  : 5,205,865:   640,729    373,464  1,629,747  2,858,087  3,125,306  5,128,563  5,128,517:    77,302     77,348
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2012                        :
     :   173,926:   -37,259     11,243     87,804     56,107     11,967    106,652    111,014:    67,274     62,912
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      12.3        7.2       31.3       54.9       60.0       98.5       98.5:       1.5        1.5
Old  :     100.0:      12.3        7.2       31.3       54.9       60.0       98.5       98.5:       1.5        1.5
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  :       226:        27         42         61        143        134        208        202:
Old  :       226:        27         42         61        143        134        208        202:
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  :                 23.4       19.8       41.5       34.1       17.3       14.8       24.7       21.7
Old  :                 23.4       19.8       41.5       34.1       17.3       14.8       24.7       21.7
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
SOCAL BORDER FIN BASIS - ICE OTC                                                                        Code-023393
Commitments of Traders with Delta-adjusted Options and Futures Combined, April 10, 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  :   351,864:    11,076     31,977      8,414    304,088    292,382    323,578    332,773:    28,286     19,091
Old  :   351,864:    11,076     31,977      8,414    304,088    292,382    323,578    332,773:    28,286     19,091
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2012                        :
     :   -16,367:    -5,112     -3,746      2,496    -27,664    -28,131    -30,280    -29,381:    13,913     13,014
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.1        9.1        2.4       86.4       83.1       92.0       94.6:       8.0        5.4
Old  :     100.0:       3.1        9.1        2.4       86.4       83.1       92.0       94.6:       8.0        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  :        54:         4          5          7         41         38         49         46:
Old  :        54:         4          5          7         41         38         49         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  :                 37.6       43.2       57.1       65.0       32.3       30.6       44.3       48.5
Old  :                 37.6       43.2       57.1       65.0       32.3       30.6       44.3       48.5
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, April 10, 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  :   176,337:     2,122      2,625      4,562    163,848    163,796    170,532    170,983:     5,805      5,354
Old  :   176,337:     2,122      2,625      4,562    163,848    163,796    170,532    170,983:     5,805      5,354
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2012                        :
     :    -7,802:       514      1,920     -2,205     -8,547    -10,653    -10,238    -10,938:     2,436      3,136
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.2        1.5        2.6       92.9       92.9       96.7       97.0:       3.3        3.0
Old  :     100.0:       1.2        1.5        2.6       92.9       92.9       96.7       97.0:       3.3        3.0
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  :        43:         3          2          3         35         37         39         41:
Old  :        43:         3          2          3         35         37         39         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  :                 57.7       42.3       72.2       57.2       48.1       36.1       54.0       44.1
Old  :                 57.7       42.3       72.2       57.2       48.1       36.1       54.0       44.1
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, April 10, 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  :   288,345:     8,974     12,760      2,986    268,177    256,372    280,137    272,118:     8,208     16,227
Old  :   288,345:     8,974     12,760      2,986    268,177    256,372    280,137    272,118:     8,208     16,227
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2012                        :
     :   -20,610:    -1,158     -2,624        294    -24,616    -21,346    -25,480    -23,676:     4,870      3,066
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.1        4.4        1.0       93.0       88.9       97.2       94.4:       2.8        5.6
Old  :     100.0:       3.1        4.4        1.0       93.0       88.9       97.2       94.4:       2.8        5.6
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  :        47:         1          4          1         33         32         35         36:
Old  :        47:         1          4          1         33         32         35         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  :                 49.1       52.0       67.3       71.4       47.0       47.1       64.3       63.0
Old  :                 49.1       52.0       67.3       71.4       47.0       47.1       64.3       63.0
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, April 10, 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  :   738,011:       707     45,937     20,892    705,538    660,604    727,137    727,433:    10,874     10,578
Old  :   738,011:       707     45,937     20,892    705,538    660,604    727,137    727,433:    10,874     10,578
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2012                        :
     :     2,996:      -516       -913      4,318     -9,322     -8,309     -5,520     -4,904:     8,516      7,900
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.1        6.2        2.8       95.6       89.5       98.5       98.6:       1.5        1.4
Old  :     100.0:       0.1        6.2        2.8       95.6       89.5       98.5       98.6:       1.5        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  :        70:         3          7          8         56         48         64         58:
Old  :        70:         3          7          8         56         48         64         58:
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  :                 39.3       39.5       57.4       53.9       32.6       29.3       47.9       40.3
Old  :                 39.3       39.5       57.4       53.9       32.6       29.3       47.9       40.3
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, April 10, 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  :   226,948:    15,069          0        723    203,131    217,247    218,923    217,970:     8,025      8,978
Old  :   226,948:    15,069          0        723    203,131    217,247    218,923    217,970:     8,025      8,978
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2012                        :
     :   -13,569:     1,448     -2,720       -645    -17,985    -14,009    -17,182    -17,374:     3,613      3,805
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       6.6        0.0        0.3       89.5       95.7       96.5       96.0:       3.5        4.0
Old  :     100.0:       6.6        0.0        0.3       89.5       95.7       96.5       96.0:       3.5        4.0
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  :        37:         2          0          2         28         23         30         25:
Old  :        37:         2          0          2         28         23         30         25:
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  :                 47.1       60.1       69.8       78.8       40.6       60.0       58.0       72.1
Old  :                 47.1       60.1       69.8       78.8       40.6       60.0       58.0       72.1
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, April 10, 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  :   371,585:     4,915     15,517     33,853    322,158    309,113    360,926    358,483:    10,659     13,102
Old  :   371,585:     4,915     15,517     33,853    322,158    309,113    360,926    358,483:    10,659     13,102
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2012                        :
     :   -26,755:    -4,118     -3,535      1,357    -25,904    -26,761    -28,665    -28,939:     1,910      2,184
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.3        4.2        9.1       86.7       83.2       97.1       96.5:       2.9        3.5
Old  :     100.0:       1.3        4.2        9.1       86.7       83.2       97.1       96.5:       2.9        3.5
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  :        55:         4          3          5         38         37         44         43:
Old  :        55:         4          3          5         38         37         44         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  :                 34.4       57.7       52.8       69.2       32.1       50.1       46.5       60.9
Old  :                 34.4       57.7       52.8       69.2       32.1       50.1       46.5       60.9
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, April 10, 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  :   226,219:    19,363     25,328      4,810    196,685    188,530    220,858    218,668:     5,361      7,551
Old  :   226,219:    19,363     25,328      4,810    196,685    188,530    220,858    218,668:     5,361      7,551
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2012                        :
     :   -19,516:     2,840     -3,972     -4,633    -21,600    -13,411    -23,393    -22,016:     3,877      2,500
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       8.6       11.2        2.1       86.9       83.3       97.6       96.7:       2.4        3.3
Old  :     100.0:       8.6       11.2        2.1       86.9       83.3       97.6       96.7:       2.4        3.3
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  :        47:         5          3          2         29         29         34         34:
Old  :        47:         5          3          2         29         29         34         34:
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       44.4       72.1       61.6       57.3       39.7       63.9       56.4
Old  :                 57.6       44.4       72.1       61.6       57.3       39.7       63.9       56.4
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
```

----

Updated April 13, 2012