```
 
 
SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 08/24/10                         |
--------------------------------------------------------------| 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:       16,888
COMMITMENTS
  12,294        0        0    4,576   16,870   16,870   16,870       18       18

CHANGES FROM 08/17/10 (CHANGE IN OPEN INTEREST:       -216)
      50        0        0     -255     -200     -205     -200      -11      -16

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    72.8      0.0      0.0     27.1     99.9     99.9     99.9      0.1      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       22)
       4        0        0        6       13       10       13
 
 
SULFUR FINANCIAL INSTR 2009 - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006265
FUTURES ONLY POSITIONS AS OF 08/24/10                         |
--------------------------------------------------------------| 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:       20,482
COMMITMENTS
  14,590       71        2    5,841   20,379   20,433   20,452       49       30

CHANGES FROM 08/17/10 (CHANGE IN OPEN INTEREST:        445)
      56      -10      -20      397      445      433      415       12       30

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    71.2      0.3      0.0     28.5     99.5     99.8     99.9      0.2      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       30)
       9        1        1       13       11       22       13
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
FUTURES ONLY POSITIONS AS OF 08/24/10                         |
--------------------------------------------------------------| 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:        2,405
COMMITMENTS
   2,266      441        0        0    1,956    2,266    2,397      139        8

CHANGES FROM 08/17/10 (CHANGE IN OPEN INTEREST:         -6)
       0       -7        0        0        0        0       -7       -6        1

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    94.2     18.3      0.0      0.0     81.3     94.2     99.7      5.8      0.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       22)
      18        2        0        0        2       18        4
```

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Updated August 27, 2010