SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 08/04/09                         |
--------------------------------------------------------------| 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:       33,522
COMMITMENTS
  25,120      230       27    8,367   33,265   33,514   33,522        8        0

CHANGES FROM 07/28/09 (CHANGE IN OPEN INTEREST:     -2,700)
    -905      -37       -9   -1,765   -2,654   -2,679   -2,700      -21        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    74.9      0.7      0.1     25.0     99.2    100.0    100.0      0.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       34)
      10        2        1       12       18       22       21
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
FUTURES ONLY POSITIONS AS OF 08/04/09                         |
--------------------------------------------------------------| 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:        3,416
COMMITMENTS
   2,369      869       56      750    2,462    3,175    3,387      241       29

CHANGES FROM 07/28/09 (CHANGE IN OPEN INTEREST:        -88)
      24      -88      -14      -11       38       -1      -64      -87      -24

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    69.4     25.4      1.6     22.0     72.1     92.9     99.2      7.1      0.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       28)
      21        2        2        2        5       23        9
 
 
RGGI CO2 ALLOWANCE - CHICAGO CLIMATE FUTURES EXCHANGE                Code-00626U
FUTURES ONLY POSITIONS AS OF 08/04/09                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:       12,959
COMMITMENTS
     651      256       58   12,221   12,618   12,930   12,932       29       27

CHANGES FROM 07/28/09 (CHANGE IN OPEN INTEREST:     -1,248)
       0      -21       31   -1,260   -1,238   -1,229   -1,228      -19      -20

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     5.0      2.0      0.4     94.3     97.4     99.8     99.8      0.2      0.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       30)
       2        3        1       15       13       18       17
 

Updated August 7, 2009