```
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of April 20, 2010             
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PALLADIUM - NEW YORK MERCANTILE EXCHANGE   (CONTRACTS OF 100 TROY OUNCES)                                      :
CFTC Code #075651                                                    Open Interest is    23,490                :
: Positions                                                                                                    :
:    1,132    14,195     1,784     4,818       449    12,861     1,447       196     3,610     1,413       162 :
:                                                                                                              :
: Changes from:     April 13, 2010                                                                             :
:     -112      -142      -251      -488       142       222       -18       -10      -270       139        20 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      4.8      60.4       7.6      20.5       1.9      54.8       6.2       0.8      15.4       6.0       0.7 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   149                     :
:       10        21        10         8         .        50         8         5        30        15         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of April 20, 2010             
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PLATINUM - NEW YORK MERCANTILE EXCHANGE   (CONTRACTS OF 50 TROY OUNCES)                                        :
CFTC Code #076651                                                    Open Interest is    37,813                :
: Positions                                                                                                    :
:      379    16,692     5,209    16,142       608    20,872       681       473     4,125     1,389         0 :
:                                                                                                              :
: Changes from:     April 13, 2010                                                                             :
:      127      -363       346      -245        -9      -886        46       -19      -355      -177        -2 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      1.0      44.1      13.8      42.7       1.6      55.2       1.8       1.3      10.9       3.7       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   156                     :
:        5        22        11        11         7        69         6         4        24         9         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of April 20, 2010             
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
SILVER - COMMODITY EXCHANGE INC.   (CONTRACTS OF 5,000 TROY OUNCES)                                            :
CFTC Code #084691                                                    Open Interest is   155,405                :
: Positions                                                                                                    :
:    9,785    64,584    19,188    21,044     9,202    36,204     4,788    12,612    10,880     2,501    27,182 :
:                                                                                                              :
: Changes from:     April 13, 2010                                                                             :
:    1,260      -803       284       767       123      -547     1,182         5      -106      -833     1,124 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      6.3      41.6      12.3      13.5       5.9      23.3       3.1       8.1       7.0       1.6      17.5 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   174                     :
:       14        24        16        12        18        43        11        12        35        23        42 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of April 20, 2010             
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
GOLD - COMMODITY EXCHANGE INC.   (CONTRACTS OF 100 TROY OUNCES)                                                :
CFTC Code #088691                                                    Open Interest is   682,040                :
: Positions                                                                                                    :
:   66,339   253,161    66,086   163,544    54,122   202,279     4,528    61,437    54,010    17,184   103,027 :
:                                                                                                              :
: Changes from:     April 13, 2010                                                                             :
:      263     2,230     3,642    -6,289      -669    -2,841       666    -2,239   -13,949    -4,755    -2,590 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      9.7      37.1       9.7      24.0       7.9      29.7       0.7       9.0       7.9       2.5      15.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   380                     :
:       20        35        19        18        24       122        15        47       109        50        94 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of April 20, 2010             
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.   (CONTRACTS OF 25,000 POUNDS)                                       :
CFTC Code #085692                                                    Open Interest is   155,077                :
: Positions                                                                                                    :
:   10,395    70,775    49,780    10,021     7,218    44,611    19,344     7,575     5,736    10,520    15,062 :
:                                                                                                              :
: Changes from:     April 13, 2010                                                                             :
:     -170    -1,591       219      -809     2,370    -3,289       802       225       288    -1,334     1,586 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      6.7      45.6      32.1       6.5       4.7      28.8      12.5       4.9       3.7       6.8       9.7 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   186                     :
:       16        24        18         8        13        51        26        20         9        32        27 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of April 20, 2010             
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
RANDOM LENGTH LUMBER - CHICAGO MERCANTILE EXCHANGE   (CONTRACTS OF 110,000 BOARD FEET)                         :
CFTC Code #058643                                                    Open Interest is    11,512                :
: Positions                                                                                                    :
:      369     7,201     1,763         0         0     5,214       333       295       372       574     1,220 :
:                                                                                                              :
: Changes from:     April 13, 2010                                                                             :
:     -135       469         4         0         0       889      -304        26       -49       425       410 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      3.2      62.5      15.3       0.0       0.0      45.3       2.9       2.6       3.2       5.0      10.6 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    89                     :
:       12        22         5         0         0        32         .         .        11        11        13 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of April 20, 2010             
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE   (CONTRACTS OF 25 U.S. EPA SO2 EMMIS           :
CFTC Code #006261                                                    Open Interest is    19,020                :
: Positions                                                                                                    :
:    5,488    12,510       178     5,201       820     4,835       281         0     7,643       130        33 :
:                                                                                                              :
: Changes from:     April 13, 2010                                                                             :
:      764       822         0         0         0        50       -20         0        39         0       -31 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     28.9      65.8       0.9      27.3       4.3      25.4       1.5       0.0      40.2       0.7       0.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    27                     :
:        6        10         .         .         .         .         .         0         5         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of April 20, 2010             
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
SULFUR FINANCIAL INSTR 2009 - CHICAGO CLIMATE FUTURES EXCHANGE   (CONTRACTS OF 25 U.S. EPA SO2 EMMIS           :
CFTC Code #006265                                                    Open Interest is    30,681                :
: Positions                                                                                                    :
:    7,365    17,056       285     5,804       275     8,770         0       140    13,495     7,133       233 :
:                                                                                                              :
: Changes from:     April 13, 2010                                                                             :
:    4,376     3,437    -1,079     1,190       238     1,049         0       115       502       239        83 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     24.0      55.6       0.9      18.9       0.9      28.6       0.0       0.5      44.0      23.3       0.8 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    31                     :
:       12        12         .         .         4         .         0         .         5         4         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of April 20, 2010             
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE   (CONTRACTS OF 1,000 METRIC TONS CCX           :
CFTC Code #006268                                                    Open Interest is     3,997                :
: Positions                                                                                                    :
:        3     1,793         0       638        51       980       409       249     1,728        50       747 :
:                                                                                                              :
: Changes from:     April 13, 2010                                                                             :
:       -0       -32         0        65         0        46        -6         2        -6         2        -1 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      0.1      44.9       0.0      16.0       1.3      24.5      10.2       6.2      43.2       1.3      18.7 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    24                     :
:        .         .         0         .         .         .         .         .        18         .         5 :
----------------------------------------------------------------------------------------------------------------
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Updated April 28, 2010