```
 
 
SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY 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:       16,747
COMMITMENTS
  12,294       91        0    4,447   16,650   16,741   16,741        6        6

CHANGES FROM 08/31/10 (CHANGE IN OPEN INTEREST:         -7)
       0       10        0        0      -15        0       -5       -7       -2

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    73.4      0.5      0.0     26.6     99.4    100.0    100.0      0.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
       4        1        0        6       13       10       14
 
 
SULFUR FINANCIAL INSTR 2009 - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006265
FUTURES ONLY 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:       20,664
COMMITMENTS
  14,357       56        0    6,269   20,603   20,626   20,659       38        5

CHANGES FROM 08/31/10 (CHANGE IN OPEN INTEREST:        379)
    -141        0        0      559      399      418      399      -39      -20

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    69.5      0.3      0.0     30.3     99.7     99.8    100.0      0.2      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       30)
      10        1        0       12       10       22       11
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
FUTURES ONLY 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:        2,398
COMMITMENTS
   2,266      441        0        0    1,956    2,266    2,397      132        1

CHANGES FROM 08/31/10 (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 09/07/10                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:       12,280
COMMITMENTS
     547      100       87   11,636   12,084   12,270   12,271       10        9

CHANGES FROM 08/31/10 (CHANGE IN OPEN INTEREST:        431)
      65        0        0      366      429      431      429        0        2

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     4.5      0.8      0.7     94.8     98.4     99.9     99.9      0.1      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
       5        1        2       11        8       16       11
```

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Updated September 10, 2010