```
 
 
SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/03/10          |
--------------------------------------------------------------| 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:       17,950
COMMITMENTS
  12,333       33        0    5,595   17,917   17,928   17,950       22       -0

CHANGES FROM 07/27/10 (CHANGE IN OPEN INTEREST:       -103)
     -99      -10        0        8      -88      -91      -98      -12       -5

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    68.7      0.2      0.0     31.2     99.8     99.9    100.0      0.1     -0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       24)
       4        1        0        8       14       12       15
 
 
SULFUR FINANCIAL INSTR 2009 - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006265
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/03/10          |
--------------------------------------------------------------| 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:       23,902
COMMITMENTS
  14,901       24      150    8,822   23,725   23,872   23,898       30        4

CHANGES FROM 07/27/10 (CHANGE IN OPEN INTEREST:       -163)
     -33     -142        8      -96      -12     -121     -145      -42      -18

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    62.3      0.1      0.6     36.9     99.3     99.9    100.0      0.1      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 08/03/10          |
--------------------------------------------------------------| 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:        4,192
COMMITMENTS
   3,076      609      882        0    2,655    3,958    4,147      235       46

CHANGES FROM 07/27/10 (CHANGE IN OPEN INTEREST:        -39)
     -21      -23       -4        0      -15      -25      -42      -14        3

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    73.4     14.5     21.0      0.0     63.3     94.4     98.9      5.6      1.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
      20        1        7        0        2       21        9
```

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Updated August 6, 2010