SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 06/24/08                         |
--------------------------------------------------------------| 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:       28,003
COMMITMENTS
  13,382    2,938      690   13,899   24,307   27,971   27,935       32       68

CHANGES FROM 06/17/08 (CHANGE IN OPEN INTEREST:        319)
   1,047     -101      -54     -618      413      375      258      -56       61

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    47.8     10.5      2.5     49.6     86.8     99.9     99.8      0.1      0.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       36)
      13        8        8       11       13       29       25
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
FUTURES ONLY POSITIONS AS OF 06/24/08                         |
--------------------------------------------------------------| 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:        4,281
COMMITMENTS
   2,686    2,199    1,099        4      808    3,789    4,106      492      175

CHANGES FROM 06/17/08 (CHANGE IN OPEN INTEREST:        449)
     369      151      191        0      140      560      482     -111      -33

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    62.7     51.4     25.7      0.1     18.9     88.5     95.9     11.5      4.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       22)
      15        4        6        1        3       18       11
 

Updated June 27, 2008