```
 
 
SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY 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:       16,073
COMMITMENTS
  12,355        0        0    3,694   16,052   16,049   16,052       24       21

CHANGES FROM 09/14/10 (CHANGE IN OPEN INTEREST:       -839)
      61      -76        0     -913     -768     -852     -844       13        5

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    76.9      0.0      0.0     23.0     99.9     99.9     99.9      0.1      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       22)
       5        0        0        5       13       10       13
 
 
SULFUR FINANCIAL INSTR 2009 - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006265
FUTURES ONLY 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:       21,937
COMMITMENTS
  15,495       39        5    6,408   21,888   21,908   21,932       29        5

CHANGES FROM 09/14/10 (CHANGE IN OPEN INTEREST:        498)
     323      -12        5      172      505      500      498       -2        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    70.6      0.2      0.0     29.2     99.8     99.9    100.0      0.1      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       31)
      11        1        1       10       11       21       13
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
FUTURES ONLY 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:        2,398
COMMITMENTS
   2,266      441        0        0    1,956    2,266    2,397      132        1

CHANGES FROM 09/14/10 (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 09/21/10                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:       12,168
COMMITMENTS
     823       74       33   11,306   12,054   12,162   12,161        6        7

CHANGES FROM 09/14/10 (CHANGE IN OPEN INTEREST:        -25)
      22       -1      -22      -26       -4      -26      -27        1        2

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     6.8      0.6      0.3     92.9     99.1    100.0     99.9      0.0      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       20)
       5        1        2       11        7       16       10
```

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Updated September 24, 2010