```
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 27, 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    24,037                :
: Positions                                                                                                    :
:      888    14,860     1,639     4,650       444    13,793     1,509       197     3,563     1,430       183 :
:                                                                                                              :
: Changes from:     April 20, 2010                                                                             :
:     -244       665      -145      -168        -5       932        62         1       -47        17        21 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      3.7      61.8       6.8      19.3       1.8      57.4       6.3       0.8      14.8       5.9       0.8 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   157                     :
:       11        20        10         8         .        55         8         5        32        16         4 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 27, 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    37,251                :
: Positions                                                                                                    :
:      323    18,070     5,130    15,237       369    20,494       666       253     5,267     1,377         0 :
:                                                                                                              :
: Changes from:     April 20, 2010                                                                             :
:      -56     1,378       -79      -925       -21      -398       -15        -2     1,142       -12         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      0.9      48.5      13.8      40.9       1.0      55.0       1.8       0.7      14.1       3.7       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   159                     :
:        4        21        11        11         6        67         5         4        32        10         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 27, 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   124,157                :
: Positions                                                                                                    :
:    8,342    63,118    19,225    20,870     2,195    37,841     5,245    11,278    10,621     2,650     8,132 :
:                                                                                                              :
: Changes from:     April 20, 2010                                                                             :
:      827     2,266      -816      -151    -2,854     2,191       274       608      -689      -477    -2,250 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      6.7      50.8      15.5      16.8       1.8      30.5       4.2       9.1       8.6       2.1       6.5 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   148                     :
:       14        19        15        10        16        39        10         8        29        17        27 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 27, 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   538,591                :
: Positions                                                                                                    :
:   53,932   230,598    73,487   162,343    18,165   210,203     4,760    43,860    53,269    33,044    18,884 :
:                                                                                                              :
: Changes from:     April 20, 2010                                                                             :
:    1,840     3,554     2,916     9,328       867    11,195    -2,008    -1,652     1,033      -781      -363 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     10.0      42.8      13.6      30.1       3.4      39.0       0.9       8.1       9.9       6.1       3.5 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   335                     :
:       16        33        20        16        17       111        11        19        79        53        53 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 27, 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   151,824                :
: Positions                                                                                                    :
:    8,282    68,294    49,648     9,807     7,544    41,393    19,012     7,807     6,559     9,130    16,454 :
:                                                                                                              :
: Changes from:     April 20, 2010                                                                             :
:   -1,534    -2,478      -132      -218       330    -3,219       -15       367       710    -1,390     1,629 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      5.5      45.0      32.7       6.5       5.0      27.3      12.5       5.1       4.3       6.0      10.8 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   181                     :
:       18        25        17         9        12        44        29        22        12        28        24 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 27, 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    11,045                :
: Positions                                                                                                    :
:      299     6,930     1,773         0         0     5,302       196       307       282       848       969 :
:                                                                                                              :
: Changes from:     April 20, 2010                                                                             :
:      -48       -88        10         0         0        79      -137        21       -91        17       113 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      2.7      62.7      16.1       0.0       0.0      48.0       1.8       2.8       2.6       7.7       8.8 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    83                     :
:       11        21         5         0         0        33         .         .         9        10        10 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 27, 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    18,232                :
: Positions                                                                                                    :
:    4,888    11,898       178     5,201       820     4,810       237         0     7,528        76         0 :
:                                                                                                              :
: Changes from:     April 20, 2010                                                                             :
:       98       136         0         0         0       -25       -44         0       -65       -54         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     26.8      65.3       1.0      28.5       4.5      26.4       1.3       0.0      41.3       0.4       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    28                     :
:        6        12         .         .         .         .         .         0         4         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 27, 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    25,665                :
: Positions                                                                                                    :
:    4,771    13,445       386     4,988        12     7,388         0         6    12,959     7,129        52 :
:                                                                                                              :
: Changes from:     April 20, 2010                                                                             :
:      458      -434       -10       418       -12      -211         0         6      -120       113      -101 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     18.6      52.4       1.5      19.4       0.0      28.8       0.0       0.0      50.5      27.8       0.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    25                     :
:        9         9         .         .         .         .         0         .         4         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 27, 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     2,547                :
: Positions                                                                                                    :
:        0     1,264         0       638        51       612       178         0     1,713       405         0 :
:                                                                                                              :
: Changes from:     April 20, 2010                                                                             :
:        0         0         0         0         0         0       -10         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      0.0      49.6       0.0      25.0       2.0      24.0       7.0       0.0      67.3      15.9       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    23                     :
:        0         .         0         .         .         .         .         0        17         .         0 :
----------------------------------------------------------------------------------------------------------------
```

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Updated April 30, 2010