SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 09/23/08                         |
--------------------------------------------------------------| 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:       29,391
COMMITMENTS
  19,370    6,192    3,905    5,969   18,990   29,244   29,087      147      304

CHANGES FROM 09/16/08 (CHANGE IN OPEN INTEREST:       -322)
     889     -901     -692     -555    1,136     -358     -457       36      135

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    65.9     21.1     13.3     20.3     64.6     99.5     99.0      0.5      1.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       35)
      14        9        6        9       12       26       24
 

Updated September 26, 2008