SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 02/12/08                         |
--------------------------------------------------------------| 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:       18,552
COMMITMENTS
   8,073    2,154    1,698    8,498   14,512   18,269   18,364      283      188

CHANGES FROM 02/05/08 (CHANGE IN OPEN INTEREST:      3,614)
     742        0    1,274    1,546    2,278    3,562    3,552       52       62

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    43.5     11.6      9.2     45.8     78.2     98.5     99.0      1.5      1.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       30)
      12        6        5       11       10       24       20
 

Updated February 15, 2008