```
 
 
SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 09/07/10          |
--------------------------------------------------------------| 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:       17,633
COMMITMENTS
  12,341       91       47    5,231   17,490   17,618   17,627       15        6

CHANGES FROM 08/31/10 (CHANGE IN OPEN INTEREST:        -12)
      -0       10       -0       -4      -20       -5      -10       -7       -2

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    70.0      0.5      0.3     29.7     99.2     99.9    100.0      0.1      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
       4        1        1        7       13       11       15
 
 
SULFUR FINANCIAL INSTR 2009 - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006265
OPTION AND FUTURES COMBINED POSITIONS AS OF 09/07/10          |
--------------------------------------------------------------| 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:       22,195
COMMITMENTS
  14,575       43       16    7,566   22,131   22,157   22,190       38        5

CHANGES FROM 08/31/10 (CHANGE IN OPEN INTEREST:         21)
    -221        8       -9      290       42       60       41      -39      -20

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    65.7      0.2      0.1     34.1     99.7     99.8    100.0      0.2      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       33)
      12        1        1       17       13       30       14
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
OPTION AND FUTURES COMBINED POSITIONS AS OF 09/07/10          |
--------------------------------------------------------------| 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:        4,022
COMMITMENTS
   2,923      555      883        0    2,535    3,806    3,973      216       49

CHANGES FROM 08/31/10 (CHANGE IN OPEN INTEREST:        -78)
     -79      -17        4        0      -66      -75      -80       -4        1

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    72.7     13.8     21.9      0.0     63.0     94.6     98.8      5.4      1.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
      19        2        7        0        2       21        9
 
 
RGGI CO2 ALLOWANCE 2009 - CHICAGO CLIMATE FUTURES EXCHANGE           Code-00626U
OPTION AND FUTURES COMBINED POSITIONS AS OF 09/07/10          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:       12,324
COMMITMENTS
     590      100       89   11,636   12,127   12,314   12,315       10        9

CHANGES FROM 08/31/10 (CHANGE IN OPEN INTEREST:        427)
      61        0        0      366      425      427      425        0        2

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     4.8      0.8      0.7     94.4     98.4     99.9     99.9      0.1      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       22)
       6        1        3       11        8       17       12
```

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Updated September 10, 2010