SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 10/30/07                         |
--------------------------------------------------------------| 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:       20,865
COMMITMENTS
   7,797    3,278    1,133   11,783   16,302   20,713   20,713      152      152

CHANGES FROM 10/23/07 (CHANGE IN OPEN INTEREST:        312)
     206     -206      213     -207      199      212      206      100      106

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    37.4     15.7      5.4     56.5     78.1     99.3     99.3      0.7      0.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       36)
      12       12       12       10       10       28       29
 

Updated November 2, 2007