SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 12/22/08                         |
--------------------------------------------------------------| 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:       25,290
COMMITMENTS
  16,456    4,635      918    7,840   19,644   25,214   25,197       76       93

CHANGES FROM 12/16/08 (CHANGE IN OPEN INTEREST:     -8,274)
  -3,197   -1,202     -374   -4,754   -6,751   -8,325   -8,327       51       53

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    65.1     18.3      3.6     31.0     77.7     99.7     99.6      0.3      0.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       34)
       8        9        6       12       14       23       26
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
FUTURES ONLY POSITIONS AS OF 12/22/08                         |
--------------------------------------------------------------| 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:        3,795
COMMITMENTS
   2,406    2,410      994        2      350    3,402    3,754      393       41

CHANGES FROM 12/16/08 (CHANGE IN OPEN INTEREST:         11)
       2      -30       11        0       27       13        8       -2        3

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    63.4     63.5     26.2      0.1      9.2     89.6     98.9     10.4      1.1

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 12/22/08                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:        4,619
COMMITMENTS
     146    1,218      746    3,702    2,623    4,594    4,587       25       32

CHANGES FROM 12/16/08 (CHANGE IN OPEN INTEREST:        868)
      30      -54      548      275      377      853      871       15       -3

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     3.2     26.4     16.2     80.1     56.8     99.5     99.3      0.5      0.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       24)
       3        5        3       12       10       17       16
 

Updated December 29, 2008