```
 
 
SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/17/10          |
--------------------------------------------------------------| 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:       18,014
COMMITMENTS
  12,340        0        0    5,635   17,980   17,975   17,980       39       34

CHANGES FROM 08/10/10 (CHANGE IN OPEN INTEREST:         42)
       4        0        0       31       41       36       41        6        1

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    68.5      0.0      0.0     31.3     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 08/17/10          |
--------------------------------------------------------------| 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:       23,437
COMMITMENTS
  15,088       36       86    8,226   23,315   23,400   23,437       37        0

CHANGES FROM 08/10/10 (CHANGE IN OPEN INTEREST:       -193)
      24        6      -15     -200     -184     -191     -193       -2        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    64.4      0.2      0.4     35.1     99.5     99.8    100.0      0.2      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       32)
      10        1        2       18       13       29       15
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/17/10          |
--------------------------------------------------------------| 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:        4,178
COMMITMENTS
   3,077      640      865        0    2,621    3,943    4,126      235       52

CHANGES FROM 08/10/10 (CHANGE IN OPEN INTEREST:        -32)
     -44      -30        7        0      -16      -37      -39        5        6

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    73.7     15.3     20.7      0.0     62.7     94.4     98.8      5.6      1.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
      20        1        7        0        2       21        9
```

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Updated August 20, 2010