SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 09/01/09                         |
--------------------------------------------------------------| 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:       30,409
COMMITMENTS
  19,839      651      360   10,200   29,388   30,399   30,399       10       10

CHANGES FROM 08/25/09 (CHANGE IN OPEN INTEREST:     -1,754)
    -203      147     -120   -1,407   -1,777   -1,730   -1,750      -24       -4

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    65.2      2.1      1.2     33.5     96.6    100.0    100.0      0.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       36)
      11        4        3       14       16       26       22
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
FUTURES ONLY POSITIONS AS OF 09/01/09                         |
--------------------------------------------------------------| 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:        3,512
COMMITMENTS
   2,450      949       39      795    2,498    3,284    3,486      228       26

CHANGES FROM 08/25/09 (CHANGE IN OPEN INTEREST:         45)
       2        0        5       30       42       37       47        8       -2

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    69.8     27.0      1.1     22.6     71.1     93.5     99.3      6.5      0.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       29)
      22        2        2        2        5       24        9
 
 
RGGI CO2 ALLOWANCE - CHICAGO CLIMATE FUTURES EXCHANGE                Code-00626U
FUTURES ONLY POSITIONS AS OF 09/01/09                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:       14,195
COMMITMENTS
     940      252      107   13,120   13,807   14,167   14,166       28       29

CHANGES FROM 08/25/09 (CHANGE IN OPEN INTEREST:         13)
     203        9      -21     -161      119       21      107       -8      -94

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     6.6      1.8      0.8     92.4     97.3     99.8     99.8      0.2      0.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       30)
       4        2        2       16       14       21       17
 

Updated September 4, 2009