```
 
 
SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 09/14/10                         |
--------------------------------------------------------------| 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:       16,912
COMMITMENTS
  12,294       76        0    4,607   16,820   16,901   16,896       11       16

CHANGES FROM 09/07/10 (CHANGE IN OPEN INTEREST:        165)
       0      -15        0      160      170      160      155        5       10

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    72.7      0.4      0.0     27.2     99.5     99.9     99.9      0.1      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
       4        1        0        7       13       11       14
 
 
SULFUR FINANCIAL INSTR 2009 - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006265
FUTURES ONLY POSITIONS AS OF 09/14/10                         |
--------------------------------------------------------------| 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:       21,439
COMMITMENTS
  15,172       51        0    6,236   21,383   21,408   21,434       31        5

CHANGES FROM 09/07/10 (CHANGE IN OPEN INTEREST:        775)
     815       -5        0      -33      780      782      775       -7        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    70.8      0.2      0.0     29.1     99.7     99.9    100.0      0.1      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       31)
      11        1        0       11       11       22       12
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
FUTURES ONLY POSITIONS AS OF 09/14/10                         |
--------------------------------------------------------------| 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:        2,398
COMMITMENTS
   2,266      441        0        0    1,956    2,266    2,397      132        1

CHANGES FROM 09/07/10 (CHANGE IN OPEN INTEREST:          0)
       0        0        0        0        0        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    94.5     18.4      0.0      0.0     81.6     94.5    100.0      5.5      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       22)
      18        2        0        0        2       18        4
 
 
RGGI CO2 ALLOWANCE 2009 - CHICAGO CLIMATE FUTURES EXCHANGE           Code-00626U
FUTURES ONLY POSITIONS AS OF 09/14/10                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:       12,193
COMMITMENTS
     801       75       55   11,332   12,058   12,188   12,188        5        5

CHANGES FROM 09/07/10 (CHANGE IN OPEN INTEREST:        -87)
     254      -25      -32     -304      -26      -82      -83       -5       -4

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     6.6      0.6      0.5     92.9     98.9    100.0    100.0      0.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       20)
       5        1        2       11        7       16       10
```

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Updated September 17, 2010