SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 09/08/09                         |
--------------------------------------------------------------| 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:       31,083
COMMITMENTS
  19,539      702      834   10,673   29,495   31,046   31,031       37       52

CHANGES FROM 09/01/09 (CHANGE IN OPEN INTEREST:        674)
    -300       51      474      473      107      647      632       27       42

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    62.9      2.3      2.7     34.3     94.9     99.9     99.8      0.1      0.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       36)
      10        5        3       14       16       26       22
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
FUTURES ONLY POSITIONS AS OF 09/08/09                         |
--------------------------------------------------------------| 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:        2,829
COMMITMENTS
   2,299      658       12      297    2,117    2,608    2,787      221       42

CHANGES FROM 09/01/09 (CHANGE IN OPEN INTEREST:       -683)
    -151     -291      -27     -498     -381     -676     -699       -7       16

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    81.3     23.3      0.4     10.5     74.8     92.2     98.5      7.8      1.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       26)
      20        2        2        1        4       21        8
 
 
RGGI CO2 ALLOWANCE - CHICAGO CLIMATE FUTURES EXCHANGE                Code-00626U
FUTURES ONLY POSITIONS AS OF 09/08/09                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:       15,209
COMMITMENTS
     987      394      134   14,060   14,649   15,181   15,177       28       32

CHANGES FROM 09/01/09 (CHANGE IN OPEN INTEREST:      1,014)
      47      142       27      940      842    1,014    1,011        0        3

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     6.5      2.6      0.9     92.4     96.3     99.8     99.8      0.2      0.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       30)
       3        3        2       16       14       21       17
 

Updated September 11, 2008