SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 10/28/08                         |
--------------------------------------------------------------| 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:       32,264
COMMITMENTS
  23,222    6,173    2,787    6,075   23,253   32,084   32,213      180       51

CHANGES FROM 10/21/08 (CHANGE IN OPEN INTEREST:         18)
    -247     -788      -37      201      817      -83       -8      101       26

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    72.0     19.1      8.6     18.8     72.1     99.4     99.8      0.6      0.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       38)
      12       11        9        9       14       26       29
 

Updated October 31, 2008