SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED 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:       25,782
COMMITMENTS
  16,814    4,657      942    7,950   20,090   25,706   25,689       76       93

CHANGES FROM 12/16/08 (CHANGE IN OPEN INTEREST:     -8,234)
  -3,189   -1,200     -350   -4,746   -6,635   -8,285   -8,185       51      -49

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    65.2     18.1      3.7     30.8     77.9     99.7     99.6      0.3      0.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       35)
       9        9        6       13       15       25       27
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
OPTION AND FUTURES COMBINED 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:        8,329
COMMITMENTS
   5,693    5,625    2,028        2      556    7,723    8,210      606      120

CHANGES FROM 12/16/08 (CHANGE IN OPEN INTEREST:         36)
     -33      -17       38        0       25        5       47       30      -11

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    68.3     67.5     24.4      0.0      6.7     92.7     98.6      7.3      1.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       25)
      16        6        8        1        3       21       13
 
 
RGGI CO2 ALLOWANCE - CHICAGO CLIMATE FUTURES EXCHANGE                Code-00626U
OPTION AND FUTURES COMBINED 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:        6,563
COMMITMENTS
     212    1,292      944    5,373    4,260    6,528    6,496       34       67

CHANGES FROM 12/16/08 (CHANGE IN OPEN INTEREST:       -272)
      -4     -301      528     -798     -492     -274     -264        1       -8

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     3.2     19.7     14.4     81.9     64.9     99.5     99.0      0.5      1.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       26)
       3        6        5       15       12       21       20


Updated December 29, 2008