SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 07/08/08                         |
--------------------------------------------------------------| 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:       26,924
COMMITMENTS
  14,155    3,002      785   11,954   23,113   26,894   26,900       30       24

CHANGES FROM 07/01/08 (CHANGE IN OPEN INTEREST:        468)
     671      -29      353     -530      168      494      492      -26      -24

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    52.6     11.1      2.9     44.4     85.8     99.9     99.9      0.1      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       37)
      13        9       10       11       13       29       28
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
FUTURES ONLY POSITIONS AS OF 07/08/08                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 METRIC TONS CCX C02)             OPEN INTEREST:        4,223
COMMITMENTS
   2,845    3,054      552        0      444    3,397    4,050      826      173

CHANGES FROM 07/01/08 (CHANGE IN OPEN INTEREST:         67)
      84      352      -36        0       67       48      383       19     -316

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    67.4     72.3     13.1      0.0     10.5     80.4     95.9     19.6      4.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       22)
      15        5        7        0        2       18       11
 

Updated July 11, 2008