SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 01/22/08                         |
--------------------------------------------------------------| 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:       12,401
COMMITMENTS
   6,066    1,727      255    6,034   10,393   12,355   12,375       46       26

CHANGES FROM 01/15/08 (CHANGE IN OPEN INTEREST:      1,033)
   1,821      268     -326     -176    1,161    1,319    1,103     -286      -70

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    48.9     13.9      2.1     48.7     83.8     99.6     99.8      0.4      0.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       30)
       9        9        7       10       10       22       24
 

Updated January 25, 2008