```
NATURAL GAS ICE HENRY HUB - ICE OTC                                                                     Code-023391
Commitments of Traders with Delta-adjusted Options and Futures Combined, March 20, 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  : 5,210,778:   613,246    367,872  1,634,474  2,952,780  3,192,479  5,200,500  5,194,825:    10,278     15,953
Old  : 5,210,778:   613,246    367,872  1,634,474  2,952,780  3,192,479  5,200,500  5,194,825:    10,278     15,953
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 13, 2012                       :
     :    31,104:    26,568    -21,296     45,287    -41,451      4,432     30,404     28,423:       700      2,681
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      11.8        7.1       31.4       56.7       61.3       99.8       99.7:       0.2        0.3
Old  :     100.0:      11.8        7.1       31.4       56.7       61.3       99.8       99.7:       0.2        0.3
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  :       227:        26         46         63        140        134        207        205:
Old  :       227:        26         46         63        140        134        207        205:
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  :                 23.8       21.2       41.5       35.6       18.0       15.6       25.1       23.2
Old  :                 23.8       21.2       41.5       35.6       18.0       15.6       25.1       23.2
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 20, 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  :   368,422:     7,262     30,129      8,307    337,370    321,889    352,939    360,325:    15,483      8,097
Old  :   368,422:     7,262     30,129      8,307    337,370    321,889    352,939    360,325:    15,483      8,097
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 13, 2012                       :
     :    -4,130:       445      6,075        772     -6,529    -10,810     -5,312     -3,963:     1,182       -167
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       2.0        8.2        2.3       91.6       87.4       95.8       97.8:       4.2        2.2
Old  :     100.0:       2.0        8.2        2.3       91.6       87.4       95.8       97.8:       4.2        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  :        52:         5          4          5         39         36         46         43:
Old  :        52:         5          4          5         39         36         46         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  :                 37.3       47.3       61.9       69.5       33.7       39.1       47.2       54.1
Old  :                 37.3       47.3       61.9       69.5       33.7       39.1       47.2       54.1
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 20, 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  :   177,005:     1,979          0      6,771    164,618    168,226    173,368    174,997:     3,637      2,008
Old  :   177,005:     1,979          0      6,771    164,618    168,226    173,368    174,997:     3,637      2,008
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 13, 2012                       :
     :     2,449:       536       -668        194      1,450      3,502      2,180      3,028:       269       -579
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.1        0.0        3.8       93.0       95.0       97.9       98.9:       2.1        1.1
Old  :     100.0:       1.1        0.0        3.8       93.0       95.0       97.9       98.9:       2.1        1.1
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  :        40:         2          0          2         33         37         35         39:
Old  :        40:         2          0          2         33         37         35         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  :                 56.2       44.1       70.7       59.3       53.6       39.7       59.5       49.4
Old  :                 56.2       44.1       70.7       59.3       53.6       39.7       59.5       49.4
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 20, 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  :   325,059:    11,056      8,811      3,932    304,670    299,786    319,658    312,529:     5,401     12,530
Old  :   325,059:    11,056      8,811      3,932    304,670    299,786    319,658    312,529:     5,401     12,530
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 13, 2012                       :
     :       918:    -1,774       -194     -2,195      3,949      4,365        -20      1,976:       938     -1,058
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.4        2.7        1.2       93.7       92.2       98.3       96.1:       1.7        3.9
Old  :     100.0:       3.4        2.7        1.2       93.7       92.2       98.3       96.1:       1.7        3.9
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         31         33         36         37:
Old  :        46:         3          2          4         31         33         36         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  :                 49.7       53.2       70.0       71.2       47.8       48.1       66.7       62.7
Old  :                 49.7       53.2       70.0       71.2       47.8       48.1       66.7       62.7
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, March 20, 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  :   747,495:       389     44,256     15,442    728,691    684,245    744,522    743,943:     2,973      3,552
Old  :   747,495:       389     44,256     15,442    728,691    684,245    744,522    743,943:     2,973      3,552
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 13, 2012                       :
     :    23,389:       -82     -3,575      6,812     15,614     21,588     22,344     24,825:     1,045     -1,436
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.1        5.9        2.1       97.5       91.5       99.6       99.5:       0.4        0.5
Old  :     100.0:       0.1        5.9        2.1       97.5       91.5       99.6       99.5:       0.4        0.5
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        68:         2          7          7         53         47         60         56:
Old  :        68:         2          7          7         53         47         60         56:
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       38.9       56.7       54.9       32.7       29.6       47.8       40.8
Old  :                 38.2       38.9       56.7       54.9       32.7       29.6       47.8       40.8
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 20, 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  :   229,949:    13,464      2,104      3,329    207,204    218,319    223,997    223,752:     5,952      6,197
Old  :   229,949:    13,464      2,104      3,329    207,204    218,319    223,997    223,752:     5,952      6,197
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 13, 2012                       :
     :   -11,381:       613     -9,209      1,966    -14,176     -3,770    -11,597    -11,013:       216       -368
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       5.9        0.9        1.4       90.1       94.9       97.4       97.3:       2.6        2.7
Old  :     100.0:       5.9        0.9        1.4       90.1       94.9       97.4       97.3:       2.6        2.7
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          3          3         31         24         34         29:
Old  :        43:         2          3          3         31         24         34         29:
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  :                 41.8       60.6       64.2       77.0       35.9       60.4       54.1       71.8
Old  :                 41.8       60.6       64.2       77.0       35.9       60.4       54.1       71.8
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 20, 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  :   400,042:     6,594     13,823     34,467    349,746    342,935    390,807    391,225:     9,235      8,817
Old  :   400,042:     6,594     13,823     34,467    349,746    342,935    390,807    391,225:     9,235      8,817
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 13, 2012                       :
     :      -612:       101     -2,556      2,574     -3,256       -630       -581       -612:       -31          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.6        3.5        8.6       87.4       85.7       97.7       97.8:       2.3        2.2
Old  :     100.0:       1.6        3.5        8.6       87.4       85.7       97.7       97.8:       2.3        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  :        57:         3          5          6         38         39         45         46:
Old  :        57:         3          5          6         38         39         45         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  :                 35.2       59.1       53.7       69.7       32.5       53.1       47.9       62.4
Old  :                 35.2       59.1       53.7       69.7       32.5       53.1       47.9       62.4
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 20, 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  :   244,756:    13,227     29,790      7,211    221,977    202,578    242,415    239,579:     2,341      5,177
Old  :   244,756:    13,227     29,790      7,211    221,977    202,578    242,415    239,579:     2,341      5,177
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 13, 2012                       :
     :    -5,357:      -535       -618       -499     -4,436     -3,627     -5,470     -4,744:       113       -613
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       5.4       12.2        2.9       90.7       82.8       99.0       97.9:       1.0        2.1
Old  :     100.0:       5.4       12.2        2.9       90.7       82.8       99.0       97.9:       1.0        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  :        47:         3          4          2         30         31         34         36:
Old  :        47:         3          4          2         30         31         34         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  :                 64.2       46.1       75.8       63.2       63.5       42.6       69.7       59.3
Old  :                 64.2       46.1       75.8       63.2       63.5       42.6       69.7       59.3
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
```

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Updated March 23, 2012