SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 06/17/08                         |
--------------------------------------------------------------| 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:       27,684
COMMITMENTS
  12,335    3,039      744   14,517   23,894   27,596   27,677       88        7

CHANGES FROM 06/10/08 (CHANGE IN OPEN INTEREST:      1,307)
   1,188      -53      477     -302      964    1,363    1,388      -56      -81

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    44.6     11.0      2.7     52.4     86.3     99.7    100.0      0.3      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       36)
      13        9        8       13       13       30       26
 

Updated June 20, 2008