SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 02/26/08                         |
--------------------------------------------------------------| 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:       19,532
COMMITMENTS
   8,734    2,070    1,774    8,802   15,632   19,310   19,476      222       56

CHANGES FROM 02/19/08 (CHANGE IN OPEN INTEREST:     -1,280)
     583      212      -50   -1,670   -1,351   -1,137   -1,189     -143      -91

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    44.7     10.6      9.1     45.1     80.0     98.9     99.7      1.1      0.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       30)
      10        8        7       11       11       23       24
 

Updated February 29, 2008