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SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED 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:       35,568
COMMITMENTS
  26,061      227      343    9,150   34,998   35,554   35,568       14       -0

CHANGES FROM 07/28/09 (CHANGE IN OPEN INTEREST:     -2,811)
  -1,009      -37        2   -1,783   -2,777   -2,790   -2,811      -21       -0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    73.3      0.6      1.0     25.7     98.4    100.0    100.0      0.0     -0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       34)
      10        2        3       14       20       25       24
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
OPTION AND FUTURES COMBINED 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:        5,382
COMMITMENTS
   2,807      502    1,436      750    3,322    4,993    5,260      389      122

CHANGES FROM 07/28/09 (CHANGE IN OPEN INTEREST:     -1,870)
  -1,630     -264      -30      -11   -1,600   -1,671   -1,894     -199       24

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    52.2      9.3     26.7     13.9     61.7     92.8     97.7      7.2      2.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       31)
      21        4        8        2        6       26       15
 
 
NITROGEN FIN INS ANNUAL 2009 - CHICAGO CLIMATE FUTURES EXCHANGE      Code-00626F
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/04/09          |
--------------------------------------------------------------| 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:       19,980
COMMITMENTS
   1,924    1,550        0   18,056   18,430   19,980   19,980        0        0

CHANGES FROM 07/28/09 (CHANGE IN OPEN INTEREST:     -4,637)
    -564    1,136        0   -4,073   -5,773   -4,637   -4,637       -0       -0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     9.6      7.8      0.0     90.4     92.2    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
OPTION AND FUTURES COMBINED 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:       16,772
COMMITMENTS
     730      426      345   15,668   15,965   16,743   16,736       29       36

CHANGES FROM 07/28/09 (CHANGE IN OPEN INTEREST:     -1,206)
      29       10       11   -1,227   -1,207   -1,187   -1,186      -19      -20

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     4.4      2.5      2.1     93.4     95.2     99.8     99.8      0.2      0.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       32)
       4        3        5       21       18       28       24
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Updated August 7, 2009