```
 
 
SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 07/27/10                         |
--------------------------------------------------------------| 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:       17,215
COMMITMENTS
  12,344       43        0    4,846   17,167   17,190   17,210       25        5

CHANGES FROM 07/20/10 (CHANGE IN OPEN INTEREST:         -6)
       0        0        0        0       -8        0       -8       -6        2

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    71.7      0.2      0.0     28.1     99.7     99.9    100.0      0.1      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       24)
       4        1        0        7       13       11       14
 
 
SULFUR FINANCIAL INSTR 2009 - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006265
FUTURES ONLY POSITIONS AS OF 07/27/10                         |
--------------------------------------------------------------| 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:       19,895
COMMITMENTS
  14,244      212       46    5,533   19,615   19,823   19,873       72       22

CHANGES FROM 07/20/10 (CHANGE IN OPEN INTEREST:        628)
      80        9      -21      790      862      849      850     -221     -222

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    71.6      1.1      0.2     27.8     98.6     99.6     99.9      0.4      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       28)
       8        1        1       13       11       21       13
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
FUTURES ONLY POSITIONS AS OF 07/27/10                         |
--------------------------------------------------------------| 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:        2,419
COMMITMENTS
   2,266      468        0        0    1,950    2,266    2,418      153        1

CHANGES FROM 07/20/10 (CHANGE IN OPEN INTEREST:         -6)
      -6      -12        0        0        6       -6       -6        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    93.7     19.3      0.0      0.0     80.6     93.7    100.0      6.3      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       22)
      18        2        0        0        2       18        4
```

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Updated July 30, 2010