SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 07/22/08                         |
--------------------------------------------------------------| 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:       28,566
COMMITMENTS
  14,737    3,361    5,388    8,154   19,804   28,279   28,553      287       13

CHANGES FROM 07/15/08 (CHANGE IN OPEN INTEREST:       -840)
     183      388    3,756   -4,847   -4,826     -908     -682       68     -158

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    51.6     11.8     18.9     28.5     69.3     99.0    100.0      1.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       35)
      14        8        9       10       13       29       25
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
FUTURES ONLY POSITIONS AS OF 07/22/08                         |
--------------------------------------------------------------| 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:        4,677
COMMITMENTS
   2,996    2,628    1,175        0      753    4,171    4,556      506      121

CHANGES FROM 07/15/08 (CHANGE IN OPEN INTEREST:        190)
     108      -19      130        0      125      238      236      -48      -46

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    64.1     56.2     25.1      0.0     16.1     89.2     97.4     10.8      2.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
      13        5       10        0        3       17       14
 

Updated July 25, 2008