```
 
 
SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 06/01/10          |
--------------------------------------------------------------| 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:       16,930
COMMITMENTS
  12,405      362        0    4,500   16,559   16,905   16,921       24        9

CHANGES FROM 05/25/10 (CHANGE IN OPEN INTEREST:         10)
       1       -5        0       15       10       16        5       -6        6

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    73.3      2.1      0.0     26.6     97.8     99.9     99.9      0.1      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       26)
       4        2        0        9       16       13       18
 
 
SULFUR FINANCIAL INSTR 2009 - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006265
OPTION AND FUTURES COMBINED POSITIONS AS OF 06/01/10          |
--------------------------------------------------------------| 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:       30,681
COMMITMENTS
  21,911    6,736      298    8,378   23,619   30,587   30,653       94       28

CHANGES FROM 05/25/10 (CHANGE IN OPEN INTEREST:       -558)
     -64      -90      -13     -363     -347     -440     -449     -118     -109

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    71.4     22.0      1.0     27.3     77.0     99.7     99.9      0.3      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       29)
       9        2        3       15       13       25       17
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
OPTION AND FUTURES COMBINED POSITIONS AS OF 06/01/10          |
--------------------------------------------------------------| 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:        3,895
COMMITMENTS
   2,642      448    1,001       35    2,386    3,678    3,835      217       61

CHANGES FROM 05/25/10 (CHANGE IN OPEN INTEREST:         -8)
      -8       -0        0        0       -8       -7       -8       -0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    67.8     11.5     25.7      0.9     61.3     94.4     98.4      5.6      1.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       24)
      20        2        7        2        2       24        9
```

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Updated June 4, 2010