```
 
 
SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 09/21/10          |
--------------------------------------------------------------| 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:       16,981
COMMITMENTS
  12,403        0       48    4,497   16,913   16,948   16,960       34       21

CHANGES FROM 09/14/10 (CHANGE IN OPEN INTEREST:       -827)
      62      -76        1     -903     -757     -840     -832       13        5

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    73.0      0.0      0.3     26.5     99.6     99.8     99.9      0.2      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       22)
       5        0        1        6       13       11       14
 
 
SULFUR FINANCIAL INSTR 2009 - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006265
OPTION AND FUTURES COMBINED POSITIONS AS OF 09/21/10          |
--------------------------------------------------------------| 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:       23,131
COMMITMENTS
  15,656       28       16    7,430   23,082   23,102   23,126       29        5

CHANGES FROM 09/14/10 (CHANGE IN OPEN INTEREST:        288)
     278       -9        2       10      295      290      288       -2        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    67.7      0.1      0.1     32.1     99.8     99.9    100.0      0.1      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       34)
      13        1        2       16       14       30       16
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
OPTION AND FUTURES COMBINED POSITIONS AS OF 09/21/10          |
--------------------------------------------------------------| 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:        4,117
COMMITMENTS
   3,019      573      878        0    2,619    3,897    4,071      220       47

CHANGES FROM 09/14/10 (CHANGE IN OPEN INTEREST:        -61)
     -64      -19        6        0      -49      -58      -62       -3        1

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    73.3     13.9     21.3      0.0     63.6     94.7     98.9      5.3      1.1

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 09/21/10          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:       12,208
COMMITMENTS
     861       74       35   11,306   12,092   12,202   12,201        6        7

CHANGES FROM 09/14/10 (CHANGE IN OPEN INTEREST:        -26)
      21       -1      -22      -26       -6      -27      -28        1        2

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     7.1      0.6      0.3     92.6     99.1    100.0     99.9      0.0      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
       6        1        3       11        7       17       11
```

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Updated September 24, 2010