```
 
 
SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED 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:       18,053
COMMITMENTS
  12,432       43        0    5,587   18,005   18,019   18,048       34        5

CHANGES FROM 07/20/10 (CHANGE IN OPEN INTEREST:         17)
       1        0        0       21       15       23       15       -6        2

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    68.9      0.2      0.0     30.9     99.7     99.8    100.0      0.2      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 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:       24,065
COMMITMENTS
  14,935      166      141    8,918   23,737   23,993   24,043       72       22

CHANGES FROM 07/20/10 (CHANGE IN OPEN INTEREST:      1,136)
     506        9      -15      867    1,364    1,357    1,358     -221     -222

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    62.1      0.7      0.6     37.1     98.6     99.7     99.9      0.3      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       31)
       9        2        3       17       13       27       17
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
OPTION AND FUTURES COMBINED 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:        4,232
COMMITMENTS
   3,097      632      886        0    2,670    3,983    4,189      249       43

CHANGES FROM 07/20/10 (CHANGE IN OPEN INTEREST:       -779)
    -834     -229       99        0     -680     -736     -810      -44       31

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    73.2     14.9     20.9      0.0     63.1     94.1     99.0      5.9      1.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
      20        1        7        0        2       21        9
```

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Updated July 30, 2010