SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 12/09/08                         |
--------------------------------------------------------------| 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:       31,925
COMMITMENTS
  19,736    5,775    1,584   10,597   24,528   31,917   31,887        8       38

CHANGES FROM 12/02/08 (CHANGE IN OPEN INTEREST:        454)
    -157     -111     -267      953      865      529      487      -75      -33

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    61.8     18.1      5.0     33.2     76.8    100.0     99.9      0.0      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       40)
       8       12        8       11       17       25       31
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
FUTURES ONLY POSITIONS AS OF 12/09/08                         |
--------------------------------------------------------------| 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:        3,777
COMMITMENTS
   2,404    2,433      982        2      323    3,388    3,738      389       39

CHANGES FROM 12/02/08 (CHANGE IN OPEN INTEREST:         22)
      -4      -24       20        2       21       18       17        4        5

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    63.6     64.4     26.0      0.1      8.6     89.7     99.0     10.3      1.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       22)
      15        5        4        1        2       18        9
 
 
RGGI CO2 ALLOWANCE - CHICAGO CLIMATE FUTURES EXCHANGE                Code-00626U
FUTURES ONLY POSITIONS AS OF 12/09/08                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:        3,612
COMMITMENTS
      99    1,705      186    3,316    1,681    3,601    3,572       11       40

CHANGES FROM 12/02/08 (CHANGE IN OPEN INTEREST:        945)
      34       50      177      845      792    1,056    1,019     -111      -74

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     2.7     47.2      5.1     91.8     46.5     99.7     98.9      0.3      1.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
       3        5        2       10       10       14       16
 

Updated December 12, 2008