```
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 17, 2012             
:                                             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 5,222,245                :
: Positions                                                                                                    :
:1,925,865 1,330,093   338,716 1,161,631   641,076   638,070   209,748 1,083,554    17,781   218,744   564,214 :
:                                                                                                              :
: Changes from:     April 10, 2012                                                                             :
:   48,149       329      -405     7,339      -174    13,108    37,129    24,993     2,014    17,899    -6,972 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     36.9      25.5       6.5      22.2      12.3      12.2       4.0      20.7       0.3       4.2      10.8 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   226                     :
:      112       102        13        20        28        16        19        33        12        24        30 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 17, 2012             
:                                             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   332,997                :
: Positions                                                                                                    :
:  210,345   216,224    50,385    36,460    37,395     8,988    25,580     7,801     2,360     2,088     1,418 :
:                                                                                                              :
: Changes from:     April 10, 2012                                                                             :
:    4,700     8,072    -4,623    -4,335    -6,040    -1,502    -5,394     1,110     1,774     1,085      -305 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     63.2      64.9      15.1      10.9      11.2       2.7       7.7       2.3       0.7       0.6       0.4 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    54                     :
:       30        26         6         5        10         .         .         5         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 17, 2012             
:                                             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   180,790                :
: Positions                                                                                                    :
:  121,627   109,412    20,726    31,844    27,685         0     4,829     4,236     3,421       240       658 :
:                                                                                                              :
: Changes from:     April 10, 2012                                                                             :
:    4,145     1,071     1,370     3,399       675         0     2,414       372     1,299        30       -40 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     67.3      60.5      11.5      17.6      15.3       0.0       2.7       2.3       1.9       0.1       0.4 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    45                     :
:       25        27         .         9        11         0         .         .         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 17, 2012             
:                                             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   285,858                :
: Positions                                                                                                    :
:  199,411   117,785    50,951   118,368    21,754     6,216    12,210     2,953         0         0         0 :
:                                                                                                              :
: Changes from:     April 10, 2012                                                                             :
:   -3,099     9,936     1,535   -13,904     5,503    -2,758      -240       -33         0      -310         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     69.8      41.2      17.8      41.4       7.6       2.2       4.3       1.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    48                     :
:       23        21         4         8         9         .         .         4         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 17, 2012             
:                                             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   722,783                :
: Positions                                                                                                    :
:  565,601   242,608     8,780   279,695   133,166         0    47,978    11,947         0     4,644       903 :
:                                                                                                              :
: Changes from:     April 10, 2012                                                                             :
:    2,870     1,797    -1,875    -7,946     1,014      -648     5,136    -7,915       -59     1,549      -127 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     78.3      33.6       1.2      38.7      18.4       0.0       6.6       1.7       0.0       0.6       0.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    72                     :
:       38        31         5        15        19         0         7         4         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 17, 2012             
:                                             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   231,781                :
: Positions                                                                                                    :
:  160,559   203,030    33,481     9,933    12,738    16,832         0       822         0     1,352         0 :
:                                                                                                              :
: Changes from:     April 10, 2012                                                                             :
:    3,709     3,524       -33     4,959       -29     1,763         0        99         0     1,352         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     69.3      87.6      14.4       4.3       5.5       7.3       0.0       0.4       0.0       0.6       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    40                     :
:       26        23         .         .         .         .         0         .         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 17, 2012             
:                                             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   377,339                :
: Positions                                                                                                    :
:  290,657   254,439    28,855    49,425    13,463     5,326    19,222    30,170         0         0         0 :
:                                                                                                              :
: Changes from:     April 10, 2012                                                                             :
:   15,900     7,970    -5,358       -31       275       411     3,705    -3,683         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     77.0      67.4       7.6      13.1       3.6       1.4       5.1       8.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    55                     :
:       28        24         6         8         8         .         4         5         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 17, 2012             
:                                             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   220,173                :
: Positions                                                                                                    :
:  167,255   101,663     6,173    68,124    18,063    21,177    19,990     4,614         0     1,472         0 :
:                                                                                                              :
: Changes from:     April 10, 2012                                                                             :
:   -1,491    -2,278         0     5,301    -3,703     1,814    -3,682      -196         0      -184         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     76.0      46.2       2.8      30.9       8.2       9.6       9.1       2.1       0.0       0.7       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    46                     :
:       18        20         5         7         8         4         .         .         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 17, 2012             
:                                             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 1,308,103                :
: Positions                                                                                                    :
:  118,662   122,195   215,304   115,299   136,000   215,293   319,968   336,377    71,253    85,619   142,670 :
:                                                                                                              :
: Changes from:     April 10, 2012                                                                             :
:   -8,006   -12,252    -8,648     2,912    36,521     3,305     6,342    20,456     7,576     1,020     5,215 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      9.1       9.3      16.5       8.8      10.4      16.5      24.5      25.7       5.4       6.5      10.9 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   370                     :
:       43        36        22        14        28        60       106        85        64        46        63 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 17, 2012             
:                                             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    53,008                :
: Positions                                                                                                    :
:   38,509    11,927     6,032    19,889     1,796       623    12,287       880         0         0         0 :
:                                                                                                              :
: Changes from:     April 10, 2012                                                                             :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     72.6      22.5      11.4      37.5       3.4       1.2      23.2       1.7       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:        7         6         .         5         .         .         .         .         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 17, 2012             
:                                             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 LAST DAY FIN - NEW YORK MERCANTILE EXCHANGE   (Contracts of 10,000 MMBTU'S)                          :
CFTC Code #023A55                                                    Open Interest is   104,558                :
: Positions                                                                                                    :
:    2,384     1,592    13,777     6,354    37,724     6,676     7,207       650    11,463    19,715    30,236 :
:                                                                                                              :
: Changes from:     April 10, 2012                                                                             :
:        0         0     1,452        80    -1,090         0     3,250         0        50    -1,928     1,402 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      2.3       1.5      13.2       6.1      36.1       6.4       6.9       0.6      11.0      18.9      28.9 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    28                     :
:        4         4         .         .         6         .         .         .         5         6        11 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 17, 2012             
:                                             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    72,978                :
: Positions                                                                                                    :
:   41,875    30,404    13,503    21,210     8,466         0     1,942     1,459         0         0         0 :
:                                                                                                              :
: Changes from:     April 10, 2012                                                                             :
:      127        31         0         0         0         0        96       -19         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     57.4      41.7      18.5      29.1      11.6       0.0       2.7       2.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    23                     :
:       12         9         4         4         .         0         .         .         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 17, 2012             
:                                             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 2,760,388                :
: Positions                                                                                                    :
:  578,139   473,613   380,454   780,539   466,846   359,803   169,824   543,141   162,724    71,244   235,017 :
:                                                                                                              :
: Changes from:     April 10, 2012                                                                             :
:   21,651    13,264     1,778    25,649     6,086     4,104     5,434    16,447    15,839    -1,177     2,862 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     20.9      17.2      13.8      28.3      16.9      13.0       6.2      19.7       5.9       2.6       8.5 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   152                     :
:       68        58         7        18        23        15        13        24        13         9        18 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 17, 2012             
:                                             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 1,462,838                :
: Positions                                                                                                    :
:  130,785   224,129   337,201   237,243   361,442   145,660   246,822   192,691   137,122    46,503   151,967 :
:                                                                                                              :
: Changes from:     April 10, 2012                                                                             :
:    8,920    12,096     6,341       -68    -1,573    10,362     7,754     4,535     2,517     8,713    -1,674 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      8.9      15.3      23.1      16.2      24.7      10.0      16.9      13.2       9.4       3.2      10.4 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    84                     :
:       17        17        15         8        19        15        10        20         7        10        14 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 17, 2012             
:                                             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    22,643                :
: Positions                                                                                                    :
:   19,571    14,165       125     6,951       734     1,680         0         0       301         0         0 :
:                                                                                                              :
: Changes from:     April 10, 2012                                                                             :
:       99        71         0        21         0         0         0         0       100         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     86.4      62.6       0.6      30.7       3.2       7.4       0.0       0.0       1.3       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    40                     :
:       23        22         .         8         5         .         0         0         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 17, 2012             
:                                             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     8,915                :
: Positions                                                                                                    :
:    6,663     3,225       343     4,967       192     1,160         0         0        40         0         0 :
:                                                                                                              :
: Changes from:     April 10, 2012                                                                             :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     74.7      36.2       3.8      55.7       2.2      13.0       0.0       0.0       0.4       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    22                     :
:       12         8         .         4         .         .         0         0         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 17, 2012             
:                                             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     7,058                :
: Positions                                                                                                    :
:    4,627     3,235     1,454     1,272       578         0     1,380         0         0       110         0 :
:                                                                                                              :
: Changes from:     April 10, 2012                                                                             :
:      -15        20        60       -20         0         0         0         0         0        45       -15 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     65.6      45.8      20.6      18.0       8.2       0.0      19.6       0.0       0.0       1.6       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:       10         8         4         .         5         0         .         0         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 17, 2012             
:                                             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     9,514                :
: Positions                                                                                                    :
:    4,220     3,902     3,244     4,679       273         0         0         0       815         0         5 :
:                                                                                                              :
: Changes from:     April 10, 2012                                                                             :
:      240       515       198       -62         0         0         0         0       -15         0         5 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     44.4      41.0      34.1      49.2       2.9       0.0       0.0       0.0       8.6       0.0       0.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    27                     :
:       14        10         .         6         4         0         0         0         .         0         . :
----------------------------------------------------------------------------------------------------------------
```

----

Updated April 20, 2012