```
 
 
SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/10/10          |
--------------------------------------------------------------| 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:       17,972
COMMITMENTS
  12,335        0        0    5,604   17,939   17,940   17,939       32       33

CHANGES FROM 08/03/10 (CHANGE IN OPEN INTEREST:         22)
       2      -33        0        9       22       12      -11       10       33

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    68.6      0.0      0.0     31.2     99.8     99.8     99.8      0.2      0.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
       4        0        0        8       14       12       14
 
 
SULFUR FINANCIAL INSTR 2009 - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006265
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/10/10          |
--------------------------------------------------------------| 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:       23,630
COMMITMENTS
  15,064       31      100    8,427   23,500   23,591   23,630       39        0

CHANGES FROM 08/03/10 (CHANGE IN OPEN INTEREST:       -272)
     163        7      -49     -395     -225     -281     -268        9       -4

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    63.7      0.1      0.4     35.7     99.4     99.8    100.0      0.2      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       32)
      10        2        3       17       13       28       17
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/10/10          |
--------------------------------------------------------------| 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:        4,210
COMMITMENTS
   3,121      669      858        0    2,636    3,979    4,164      231       46

CHANGES FROM 08/03/10 (CHANGE IN OPEN INTEREST:         18)
      45       60      -24        0      -19       22       18       -4       -0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    74.1     15.9     20.4      0.0     62.6     94.5     98.9      5.5      1.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
      20        1        7        0        2       21        9
```

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Updated August 13, 2010