SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 08/25/09                         |
--------------------------------------------------------------| 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:       32,163
COMMITMENTS
  20,042      504      480   11,607   31,165   32,129   32,149       34       14

CHANGES FROM 08/18/09 (CHANGE IN OPEN INTEREST:        795)
    -583      106      400      971      275      788      781        7       14

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    62.3      1.6      1.5     36.1     96.9     99.9    100.0      0.1      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       35)
      11        3        4       15       16       28       21
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
FUTURES ONLY POSITIONS AS OF 08/25/09                         |
--------------------------------------------------------------| 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:        3,467
COMMITMENTS
   2,448      949       34      765    2,456    3,247    3,439      220       28

CHANGES FROM 08/18/09 (CHANGE IN OPEN INTEREST:         35)
      37        9       -3        0       14       34       20        1       15

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    70.6     27.4      1.0     22.1     70.8     93.7     99.2      6.3      0.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       28)
      22        2        2        2        4       24        8
 
 
NITROGEN FIN INS ANNUAL 2009 - CHICAGO CLIMATE FUTURES EXCHANGE      Code-00626F
FUTURES ONLY POSITIONS AS OF 08/25/09                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 1 U.S. EPA CAIR ANNUAL EMM             OPEN INTEREST:       20,114
COMMITMENTS
   1,924    1,910        0   18,190   18,204   20,114   20,114        0        0

CHANGES FROM 08/18/09 (CHANGE IN OPEN INTEREST:     -1,800)
       0        0        0   -1,800   -1,800   -1,800   -1,800        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     9.6      9.5      0.0     90.4     90.5    100.0    100.0      0.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       20)
       1        2        0       12       10       13       12
 
 
RGGI CO2 ALLOWANCE - CHICAGO CLIMATE FUTURES EXCHANGE                Code-00626U
FUTURES ONLY POSITIONS AS OF 08/25/09                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:       14,182
COMMITMENTS
     737      243      128   13,281   13,688   14,146   14,059       36      123

CHANGES FROM 08/18/09 (CHANGE IN OPEN INTEREST:        658)
      49       16       29      612      665      690      710      -32      -52

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     5.2      1.7      0.9     93.6     96.5     99.7     99.1      0.3      0.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       31)
       4        2        3       16       14       22       18
 

Updated August 28, 2009