Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 24, 2010            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
NATURAL GAS ICE HENRY HUB - ICE OTC   (Contracts of 2,500  MMBTU'S)                                            :
CFTC Code #023391                                                    Open Interest is 4,019,783                :
: Positions                                                                                                    :
:1,632,869 1,052,484   143,550   847,363   613,368   255,953    99,018 1,039,671    32,102    69,188   273,896 :
:                                                                                                              :
: Changes from:     August 17, 2010                                                                            :
:   18,552      -789    -1,798   -29,382    28,219    -4,167    32,544   -46,116     1,418     6,409   -22,206 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     40.6      26.2       3.6      21.1      15.3       6.4       2.5      25.9       0.8       1.7       6.8 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   225                     :
:      108        97        17        19        32        23        16        36        15        21        36 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 24, 2010            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
SOCAL BORDER FIN BASIS - ICE OTC   (Contracts of 2,500  MMBTU'S)                                               :
CFTC Code #023393                                                    Open Interest is   345,675                :
: Positions                                                                                                    :
:  146,848   230,039    75,950    34,092    56,844    40,053     8,963    11,165     6,575        31     1,618 :
:                                                                                                              :
: Changes from:     August 17, 2010                                                                            :
:    8,702    17,724    -2,318    -3,177     6,351       949    -6,579    -1,042        86      -184       210 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     42.5      66.5      22.0       9.9      16.4      11.6       2.6       3.2       1.9       0.0       0.5 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    62                     :
:       28        28         5         9        11         8         4        10         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 24, 2010            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PG&E CITYGATE FIN BASIS - ICE OTC   (Contracts of 2,500  MMBTU'S)                                              :
CFTC Code #023394                                                    Open Interest is   202,588                :
: Positions                                                                                                    :
:  155,977   108,579     8,654    55,719    20,731     9,897     7,705     5,100         0         0         0 :
:                                                                                                              :
: Changes from:     August 17, 2010                                                                            :
:   -7,472     2,173       925    -7,880     2,129       570      -274       -66         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     77.0      53.6       4.3      27.5      10.2       4.9       3.8       2.5       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    51                     :
:       25        25         .        10        11         6         5         5         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 24, 2010            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
NWP ROCKIES FIN BASIS - ICE OTC   (Contracts of 2,500  MMBTU'S)                                                :
CFTC Code #023395                                                    Open Interest is   385,397                :
: Positions                                                                                                    :
:  218,789   229,563    69,466    86,626    57,949    23,689       372     5,780         0       610        62 :
:                                                                                                              :
: Changes from:     August 17, 2010                                                                            :
:   -1,336       570    -3,675    -4,335     3,728    -1,425       276     1,205         0        60       -60 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     56.8      59.6      18.0      22.5      15.0       6.1       0.1       1.5       0.0       0.2       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    45                     :
:       23        16         6         8        12         4         .         .         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 24, 2010            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
AECO FIN BASIS - ICE OTC   (Contracts of 2,500  MMBTU'S)                                                       :
CFTC Code #023396                                                    Open Interest is   573,978                :
: Positions                                                                                                    :
:  399,350   244,803    65,584   145,082    83,131       156    77,323    19,153         0       610     2,186 :
:                                                                                                              :
: Changes from:     August 17, 2010                                                                            :
:   14,350     3,073     3,877    -4,537     2,872       156    20,616   -17,317         0      -365        30 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     69.6      42.7      11.4      25.3      14.5       0.0      13.5       3.3       0.0       0.1       0.4 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    69                     :
:       35        27         7        14        19         .         7         6         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 24, 2010            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
CHICAGO FIN BASIS - ICE OTC   (Contracts of 2,500  MMBTU'S)                                                    :
CFTC Code #023397                                                    Open Interest is   197,049                :
: Positions                                                                                                    :
:  142,040   139,427    12,511    42,127     2,278    28,153       541     4,898         0         0         0 :
:                                                                                                              :
: Changes from:     August 17, 2010                                                                            :
:    6,950     3,037      -604     3,628       542     1,093      -122      -622         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     72.1      70.8       6.3      21.4       1.2      14.3       0.3       2.5       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    45                     :
:       24        22         .         5         5         7         .         5         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 24, 2010            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
HSC FIN BASIS - ICE OTC   (Contracts of 2,500  MMBTU'S)                                                        :
CFTC Code #023398                                                    Open Interest is   385,487                :
: Positions                                                                                                    :
:  280,317   151,130    24,581   109,476    29,738    15,156    57,595    30,185         0         0         0 :
:                                                                                                              :
: Changes from:     August 17, 2010                                                                            :
:   14,440    13,676      -282     3,695       552     1,363    -2,800       181      -428         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     72.7      39.2       6.4      28.4       7.7       3.9      14.9       7.8       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    64                     :
:       34        29         4        13        13         6         .         9         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 24, 2010            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
WAHA FIN BASIS - ICE OTC   (Contracts of 2,500  MMBTU'S)                                                       :
CFTC Code #023399                                                    Open Interest is   161,673                :
: Positions                                                                                                    :
:  104,966    66,811    17,315    41,461    15,147    10,267    23,906     8,473         0         0         0 :
:                                                                                                              :
: Changes from:     August 17, 2010                                                                            :
:    9,419     1,580    -1,418     2,762      -399    -5,770    -2,357       980         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     64.9      41.3      10.7      25.6       9.4       6.4      14.8       5.2       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    47                     :
:       28        22         .         8         8         5         .         6         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 24, 2010            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
NATURAL GAS - NEW YORK MERCANTILE EXCHANGE   (Contracts of 10,000 MMBTU'S)                                     :
CFTC Code #023651                                                    Open Interest is   938,961                :
: Positions                                                                                                    :
:  108,078   120,430   166,288    84,701    98,947   141,426   214,611   222,517    24,531    55,788    98,808 :
:                                                                                                              :
: Changes from:     August 17, 2010                                                                            :
:     -467    -2,302       111    -1,879     2,622    -1,109     6,662    -3,072     4,406      -354       961 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     11.5      12.8      17.7       9.0      10.5      15.1      22.9      23.7       2.6       5.9      10.5 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   300                     :
:       60        52        22        11        26        52        69        79        38        33        67 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 24, 2010            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
MICHCON BASIS SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 2,500  MMBTU'S)                              :
CFTC Code #02365A                                                    Open Interest is    55,297                :
: Positions                                                                                                    :
:   33,374    27,329     5,490    14,916     4,872       721       493     1,530         0         0         0 :
:                                                                                                              :
: Changes from:     August 17, 2010                                                                            :
:      -11      -103         0         0         0        68       493         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     60.4      49.4       9.9      27.0       8.8       1.3       0.9       2.8       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    24                     :
:       15        13         .         4         5         .         .         .         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 24, 2010            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PERMIAN BASIS SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 2,500  MMBTU'S)                              :
CFTC Code #02365B                                                    Open Interest is    35,026                :
: Positions                                                                                                    :
:   18,149     9,493     5,507     8,847     6,379         0       530     2,909         0         0         0 :
:                                                                                                              :
: Changes from:     August 17, 2010                                                                            :
:        0       180       857         0       -23         0        80       120         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     51.8      27.1      15.7      25.3      18.2       0.0       1.5       8.3       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    23                     :
:        9        11         5         .         6         0         .         .         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 24, 2010            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
M-3 BASIS SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 2,500  MMBTU'S)                                  :
CFTC Code #02365C                                                    Open Interest is    60,376                :
: Positions                                                                                                    :
:   34,517    32,659    13,252    10,718     4,823         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     August 17, 2010                                                                            :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     57.2      54.1      21.9      17.8       8.0       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    26                     :
:       13        15         4         4         4         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 24, 2010            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
TCO BASIS SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 2,500  MMBTU'S)                                  :
CFTC Code #02365D                                                    Open Interest is    66,077                :
: Positions                                                                                                    :
:   37,636    30,923    13,406    26,119     5,724         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     August 17, 2010                                                                            :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     57.0      46.8      20.3      39.5       8.7       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    23                     :
:       14        12         .         5         5         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 24, 2010            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
NGPL TEXOK BASIS SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 2,500  MMBTU'S)                           :
CFTC Code #02365G                                                    Open Interest is    76,851                :
: Positions                                                                                                    :
:   43,755    55,438    12,664     8,178     1,691     6,175         0     5,221         0         0         0 :
:                                                                                                              :
: Changes from:     August 17, 2010                                                                            :
:       -4     2,296       151         0       188       964         0        16         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     56.9      72.1      16.5      10.6       2.2       8.0       0.0       6.8       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    33                     :
:       17        19         .         5         4         4         0         4         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 24, 2010            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
NGPL MIDCON BASIS SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 2,500  MMBTU'S)                          :
CFTC Code #02365K                                                    Open Interest is    67,384                :
: Positions                                                                                                    :
:   55,543    28,155     2,640    13,052     1,461       488     6,692     1,572         0         0         0 :
:                                                                                                              :
: Changes from:     August 17, 2010                                                                            :
:   -1,460       830         0         4       608         0    -1,924      -201         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     82.4      41.8       3.9      19.4       2.2       0.7       9.9       2.3       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    24                     :
:       11        13         .         4         .         .         .         .         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 24, 2010            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
VENTURA BASIS SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 2,500  MMBTU'S)                              :
CFTC Code #02365M                                                    Open Interest is    44,074                :
: Positions                                                                                                    :
:   31,261    29,922         0     1,586         0     6,019     1,987     2,330         0         0         0 :
:                                                                                                              :
: Changes from:     August 17, 2010                                                                            :
:    1,014      -302         0         0         0      -956         0       630         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     70.9      67.9       0.0       3.6       0.0      13.7       4.5       5.3       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:       11        11         0         .         0         4         .         4         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 24, 2010            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
WAHA BASIS SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 2,500  MMBTU'S)                                 :
CFTC Code #02365O                                                    Open Interest is    75,196                :
: Positions                                                                                                    :
:   42,521    22,710    10,256    37,665     3,749     1,900     1,360     5,208         0         0         0 :
:                                                                                                              :
: Changes from:     August 17, 2010                                                                            :
:      122     2,060       600         0      -180       338      -712     1,655         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     56.5      30.2      13.6      50.1       5.0       2.5       1.8       6.9       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    32                     :
:       17        15         .         6         4         4         .         4         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 24, 2010            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
EUR STYLE NATURAL GAS OPTIONS - NEW YORK MERCANTILE EXCHANGE   (Contracts of 10,000 MMBTU'S)                   :
CFTC Code #02365U                                                    Open Interest is 1,808,051                :
: Positions                                                                                                    :
:  349,876   332,923    89,249    83,166   688,955    23,408    88,460   198,158    58,011    13,905   394,825 :
:                                                                                                              :
: Changes from:     August 17, 2010                                                                            :
:   16,706    15,713    -3,438      -171    19,753     4,251     2,690    14,259     1,352       414    26,036 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     19.4      18.4       4.9       4.6      38.1       1.3       4.9      11.0       3.2       0.8      21.8 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   147                     :
:       42        39        10        15        23        24        20        34        22        13        30 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 24, 2010            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
NATURAL GAS CAL SPREAD OPT FIN - NEW YORK MERCANTILE EXCHANGE   (Contracts of 10,000 MMBTU'S)                  :
CFTC Code #023A84                                                    Open Interest is    51,606                :
: Positions                                                                                                    :
:   10,861    15,908     7,232     4,145     4,849     6,121     7,637    12,581     4,836     1,644     4,508 :
:                                                                                                              :
: Changes from:     August 17, 2010                                                                            :
:     -305      -240       465        88      -136       -95       122        37        41       136      -101 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     21.0      30.8      14.0       8.0       9.4      11.9      14.8      24.4       9.4       3.2       8.7 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    46                     :
:       15        13         .         7        10         .        12         8         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 24, 2010            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
HENRY HUB BASIS SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 2,500  MMBTU'S)                            :
CFTC Code #035652                                                    Open Interest is    62,691                :
: Positions                                                                                                    :
:   39,625    50,603    21,382     9,718       244       840         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     August 17, 2010                                                                            :
:        0         0       240         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     63.2      80.7      34.1      15.5       0.4       1.3       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    27                     :
:       14        13         .         5         .         .         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 24, 2010            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
HOUSTON SHIP CH BASIS SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 2,500  MMBTU'S)                      :
CFTC Code #035653                                                    Open Interest is   154,717                :
: Positions                                                                                                    :
:   85,700    90,212    41,089    33,962    13,761     5,087     7,389     4,270         0         0         0 :
:                                                                                                              :
: Changes from:     August 17, 2010                                                                            :
:    1,098     1,183        91         0         0      -310      -304         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     55.4      58.3      26.6      22.0       8.9       3.3       4.8       2.8       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    46                     :
:       24        27         9         4        10         4         .         4         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 24, 2010            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
NW PIPE ROCKIES BASIS SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 2,500  MMBTU'S)                      :
CFTC Code #035654                                                    Open Interest is   116,659                :
: Positions                                                                                                    :
:   63,309    66,225    29,045    26,175    13,754       711     3,713     1,253         0         0         0 :
:                                                                                                              :
: Changes from:     August 17, 2010                                                                            :
:      379       431        68         0       515        11      -407        -0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     54.3      56.8      24.9      22.4      11.8       0.6       3.2       1.1       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    33                     :
:       14        12         9         4         9         .         .         .         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 24, 2010            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PANHANDLE BASIS SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 2,500  MMBTU'S)                            :
CFTC Code #035655                                                    Open Interest is   195,774                :
: Positions                                                                                                    :
:  107,388    84,843    30,879    70,022    26,095    10,566     1,890     6,896         0         0         0 :
:                                                                                                              :
: Changes from:     August 17, 2010                                                                            :
:    3,214     1,899        -4       428      -638    -1,223         0      -728         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     54.9      43.3      15.8      35.8      13.3       5.4       1.0       3.5       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    47                     :
:       25        25         5        10        10         .         .         4         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 24, 2010            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
SAN JUAN BASIS SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 2,500  MMBTU'S)                             :
CFTC Code #035656                                                    Open Interest is    44,109                :
: Positions                                                                                                    :
:   31,027    17,856     5,042    14,246     4,063         0     2,719     1,086         0         0         0 :
:                                                                                                              :
: Changes from:     August 17, 2010                                                                            :
:      189         0      -189         0        96         0       120       -30         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     70.3      40.5      11.4      32.3       9.2       0.0       6.2       2.5       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:       11         6         .         4         4         0         .         .         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 24, 2010            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
HENRY HUB SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 2,500  MMBTU'S)                                  :
CFTC Code #03565B                                                    Open Interest is 2,792,383                :
: Positions                                                                                                    :
:  833,650   512,321    77,847   867,283   408,177   517,466    58,538   574,108   114,271   109,344   245,148 :
:                                                                                                              :
: Changes from:     August 17, 2010                                                                            :
:   35,300    10,337     4,314    15,123    14,920    -2,019    -2,307    -1,256       731    16,519     1,495 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     29.9      18.3       2.8      31.1      14.6      18.5       2.1      20.6       4.1       3.9       8.8 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   188                     :
:       85        72        12        19        28        23        13        34        13        16        25 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 24, 2010            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
HENRY HUB PENULTIMATE GAS SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 2,500  MMBTU'S)                  :
CFTC Code #03565C                                                    Open Interest is 1,061,876                :
: Positions                                                                                                    :
:  225,311   276,923   285,184   196,799   240,103    71,983    94,135    78,151    48,373    61,411   111,778 :
:                                                                                                              :
: Changes from:     August 17, 2010                                                                            :
:    6,417     2,220   -30,277    -6,219    33,420     5,809    -2,891    14,918       454   -11,369    13,574 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     21.2      26.1      26.9      18.5      22.6       6.8       8.9       7.4       4.6       5.8      10.5 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   102                     :
:       27        26        13         8        19        13        14        20        14        12        24 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 24, 2010            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
MT BELVIEU PROPANE (OPIS) SWAP - NEW YORK MERCANTILE EXCHANGE   (CONTRACTS OF 42,000 GALLONS)                  :
CFTC Code #06665O                                                    Open Interest is    24,557                :
: Positions                                                                                                    :
:   20,991    15,681       307     6,086     2,076        48         0        72        75       430        30 :
:                                                                                                              :
: Changes from:     August 17, 2010                                                                            :
:     -210         1        20      -395       154       -70         0        29         0       210         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     85.5      63.9       1.3      24.8       8.5       0.2       0.0       0.3       0.3       1.8       0.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    39                     :
:       26        22         .         4         6         .         0         .         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 24, 2010            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
MT BELVIEU ETHANE OPIS SWAP - NEW YORK MERCANTILE EXCHANGE   (CONTRACTS OF 42,000 GALLONS)                     :
CFTC Code #06665P                                                    Open Interest is    15,898                :
: Positions                                                                                                    :
:   14,956     8,151         0     6,664       346         0         0         0        90         0         0 :
:                                                                                                              :
: Changes from:     August 17, 2010                                                                            :
:     -441      -455         0      -220      -138         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     94.1      51.3       0.0      41.9       2.2       0.0       0.0       0.0       0.6       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:       13        11         0         5         .         0         0         0         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 24, 2010            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
MT BELV NORM BUTANE OPIS SWAP - NEW YORK MERCANTILE EXCHANGE   (CONTRACTS OF 42,000 GALLONS)                   :
CFTC Code #06665Q                                                    Open Interest is     9,722                :
: Positions                                                                                                    :
:    7,357     6,350        55     1,584     1,309        89         0       124       420         0         0 :
:                                                                                                              :
: Changes from:     August 17, 2010                                                                            :
:     -172      -602         0       505      -135       -45         0        45         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     75.7      65.3       0.6      16.3      13.5       0.9       0.0       1.3       4.3       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    25                     :
:       15        12         .         5         5         .         0         .         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 24, 2010            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
MT BELV NAT GASOLINE OPIS SWAP - NEW YORK MERCANTILE EXCHANGE   (CONTRACTS OF 42,000 GALLONS)                  :
CFTC Code #06665R                                                    Open Interest is     9,701                :
: Positions                                                                                                    :
:    8,473     6,855       425     1,464       600         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     August 17, 2010                                                                            :
:      155        40         0        45       -30         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     87.3      70.7       4.4      15.1       6.2       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    26                     :
:       16        13         .         .         4         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 24, 2010            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
CONWAY PROPANE (OPIS) SWAP - NEW YORK MERCANTILE EXCHANGE   (CONTRACTS OF 42,000 GALLONS)                      :
CFTC Code #06665T                                                    Open Interest is     4,300                :
: Positions                                                                                                    :
:    3,392     2,330        25     1,130       542         0         0         0       155         0        25 :
:                                                                                                              :
: Changes from:     August 17, 2010                                                                            :
:       25         5        25        20       -25         0         0         0       -25         0        25 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     78.9      54.2       0.6      26.3      12.6       0.0       0.0       0.0       3.6       0.0       0.6 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    22                     :
:       14        11         .         4         4         0         0         0         .         0         . :
----------------------------------------------------------------------------------------------------------------
 

Updated August 27, 2010