```
Disaggregated Commitments of Traders- Options and 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- Options and 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    37,661                :
: Positions                                                                                                    :
:      323    18,070     5,130    15,222       582    20,479       666       466     5,267     1,377         0 :
:                                                                                                              :
: Changes from:     April 20, 2010                                                                             :
:      -56     1,378       -79      -920       -27      -393       -15        -8     1,142       -12         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      0.9      48.0      13.6      40.4       1.5      54.4       1.8       1.2      14.0       3.7       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   159                     :
:        4        21        11        11         7        67         5         4        32        10         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and 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   148,673                :
: Positions                                                                                                    :
:   10,132    66,792    18,552    20,873     5,817    38,279     5,003    13,445    10,708     2,300    21,585 :
:                                                                                                              :
: Changes from:     April 20, 2010                                                                             :
:      346     2,208      -636      -170    -3,385     2,075       215       833      -172      -201    -5,597 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      6.8      44.9      12.5      14.0       3.9      25.7       3.4       9.0       7.2       1.5      14.5 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   159                     :
:       16        22        15        10        17        41        11        13        34        18        36 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and 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   701,919                :
: Positions                                                                                                    :
:   67,524   257,420    67,477   171,945    58,879   216,063     5,362    56,767    62,381    21,638    94,953 :
:                                                                                                              :
: Changes from:     April 20, 2010                                                                             :
:    1,184     4,260     1,391     8,401     4,757    13,784       834    -4,670     8,371     4,454    -8,074 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      9.6      36.7       9.6      24.5       8.4      30.8       0.8       8.1       8.9       3.1      13.5 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   383                     :
:       20        37        20        16        22       121        17        41       104        57        90 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and 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   152,101                :
: Positions                                                                                                    :
:    8,314    68,296    49,648     9,807     7,544    41,393    19,074     7,807     6,558     9,130    16,455 :
:                                                                                                              :
: Changes from:     April 20, 2010                                                                             :
:   -2,081    -2,478      -132      -214       326    -3,218      -269       232       822    -1,390     1,393 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      5.5      44.9      32.6       6.4       5.0      27.2      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        25 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and 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    11,468                :
: Positions                                                                                                    :
:      351     7,115     1,773         0         0     5,295       196       314       270       621     1,313 :
:                                                                                                              :
: Changes from:     April 20, 2010                                                                             :
:      -18       -85        10         0         0        80      -137        20      -102        47        93 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      3.1      62.0      15.5       0.0       0.0      46.2       1.7       2.7       2.4       5.4      11.4 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    87                     :
:       14        23         5         0         0        33         .         .         9        12        12 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and 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    18,803                :
: Positions                                                                                                    :
:    5,398    12,445       178     5,201       820     4,810       237         0     7,564        76        24 :
:                                                                                                              :
: Changes from:     April 20, 2010                                                                             :
:      -90       -65         0         0         0       -25       -44         0       -78       -54        -9 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     28.7      66.2       0.9      27.7       4.4      25.6       1.3       0.0      40.2       0.4       0.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    28                     :
:        7        12         .         .         .         .         .         0         4         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and 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    33,694                :
: Positions                                                                                                    :
:    9,610    18,390       246     7,166       366     9,331         0       220    13,636     7,326       193 :
:                                                                                                              :
: Changes from:     April 20, 2010                                                                             :
:    2,245     1,333       -39     1,362        91       561         0        81       140       193       -40 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     28.5      54.6       0.7      21.3       1.1      27.7       0.0       0.7      40.5      21.7       0.6 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    29                     :
:       12        11         .         .         4         .         0         .         5         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and 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     3,986                :
: Positions                                                                                                    :
:        3     1,781         0       638        51       969       398       251     1,727        52       747 :
:                                                                                                              :
: Changes from:     April 20, 2010                                                                             :
:        0       -12         0         0         0       -10       -11         1        -0         1        -0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      0.1      44.7       0.0      16.0       1.3      24.3      10.0       6.3      43.3       1.3      18.7 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    24                     :
:        .         .         0         .         .         .         .         .        18         .         5 :
----------------------------------------------------------------------------------------------------------------
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Updated April 30, 2010