SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 06/02/09                         |
--------------------------------------------------------------| 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:       35,313
COMMITMENTS
  23,505      581    1,423   10,358   33,279   35,286   35,283       27       30

CHANGES FROM 05/26/09 (CHANGE IN OPEN INTEREST:       -613)
     844     -108      397   -1,808     -884     -567     -595      -46      -18

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    66.6      1.6      4.0     29.3     94.2     99.9     99.9      0.1      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       30)
       8        2        4       14       16       23       21
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
FUTURES ONLY POSITIONS AS OF 06/02/09                         |
--------------------------------------------------------------| 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:        3,235
COMMITMENTS
   2,327    2,518      591       30      109    2,948    3,218      287       17

CHANGES FROM 05/26/09 (CHANGE IN OPEN INTEREST:       -101)
      74      -22     -130      -30       50      -86     -102      -15        1

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    71.9     77.8     18.3      0.9      3.4     91.1     99.5      8.9      0.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       25)
      19        4        3        2        2       23        7
 
 
RGGI CO2 ALLOWANCE - CHICAGO CLIMATE FUTURES EXCHANGE                Code-00626U
FUTURES ONLY POSITIONS AS OF 06/02/09                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:       11,804
COMMITMENTS
   1,498    2,776       88   10,166    8,873   11,752   11,737       52       67

CHANGES FROM 05/26/09 (CHANGE IN OPEN INTEREST:     -2,009)
     -36   -1,887       33   -1,905      -79   -1,908   -1,933     -101      -76

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    12.7     23.5      0.7     86.1     75.2     99.6     99.4      0.4      0.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       26)
       5        2        2       13       11       19       14
 

Updated June 5, 2009