SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 07/28/09                         |
--------------------------------------------------------------| 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:       36,222
COMMITMENTS
  26,025      267       36   10,132   35,919   36,193   36,222       29        0

CHANGES FROM 07/21/09 (CHANGE IN OPEN INTEREST:        -33)
     -21     -400       28      -54      340      -47      -32       14       -1

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    71.8      0.7      0.1     28.0     99.2     99.9    100.0      0.1      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       34)
      10        2        3       13       18       24       22
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
FUTURES ONLY POSITIONS AS OF 07/28/09                         |
--------------------------------------------------------------| 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:        3,504
COMMITMENTS
   2,345      957       70      761    2,424    3,176    3,451      328       53

CHANGES FROM 07/21/09 (CHANGE IN OPEN INTEREST:         88)
      16      -30        8        7      122       31      100       57      -12

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    66.9     27.3      2.0     21.7     69.2     90.6     98.5      9.4      1.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       27)
      20        3        2        2        4       23        8
 
 
RGGI CO2 ALLOWANCE - CHICAGO CLIMATE FUTURES EXCHANGE                Code-00626U
FUTURES ONLY POSITIONS AS OF 07/28/09                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:       14,207
COMMITMENTS
     651      277       27   13,481   13,856   14,159   14,160       48       47

CHANGES FROM 07/21/09 (CHANGE IN OPEN INTEREST:        269)
    -361      -84      -86      707      429      260      259        9       10

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     4.6      1.9      0.2     94.9     97.5     99.7     99.7      0.3      0.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       29)
       2        3        1       17       16       20       19
 

Updated July 31, 2009