```
 
 
SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/12/09          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25 U.S. EPA SO2 EMMISSION              OPEN INTEREST:       33,693
COMMITMENTS
  20,765      578    1,234   11,595   31,813   33,594   33,625       99       68

CHANGES FROM 05/05/09 (CHANGE IN OPEN INTEREST:      7,719)
   2,882      317      423    4,464    7,000    7,769    7,740      -50      -21

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    61.6      1.7      3.7     34.4     94.4     99.7     99.8      0.3      0.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       32)
       9        3        7       16       18       27       26
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/12/09          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 METRIC TONS CCX C02)             OPEN INTEREST:        5,448
COMMITMENTS
   2,993    2,241    1,992       60    1,124    5,045    5,357      403       91

CHANGES FROM 05/05/09 (CHANGE IN OPEN INTEREST:       -234)
    -293     -136      132       -5     -161     -167     -166      -67      -68

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    54.9     41.1     36.6      1.1     20.6     92.6     98.3      7.4      1.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       29)
      19        6       10        2        4       26       15
 
 
NITROGEN FIN INS ANNUAL 2009 - CHICAGO CLIMATE FUTURES EXCHANGE      Code-00626F
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/12/09          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1 U.S. EPA CAIR ANNUAL EMM             OPEN INTEREST:       26,585
COMMITMENTS
   2,124      513        0   24,461   26,071   26,585   26,585       -0        0

CHANGES FROM 05/05/09 (CHANGE IN OPEN INTEREST:      2,792)
       0      -49        0    2,792    2,841    2,792    2,792       -0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     8.0      1.9      0.0     92.0     98.1    100.0    100.0     -0.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       22)
       1        2        0       16       12       17       14
 
 
RGGI CO2 ALLOWANCE - CHICAGO CLIMATE FUTURES EXCHANGE                Code-00626U
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/12/09          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:       15,475
COMMITMENTS
   1,315    4,460      486   13,553   10,417   15,354   15,362      121      113

CHANGES FROM 05/05/09 (CHANGE IN OPEN INTEREST:      1,854)
    -784    1,197     -246    2,892      900    1,862    1,850       -8        4

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     8.5     28.8      3.1     87.6     67.3     99.2     99.3      0.8      0.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       28)
       4        5        7       18       15       27       22
```

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Updated May 15, 2009