```
 
 
SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/14/10          |
--------------------------------------------------------------| 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:       14,015
COMMITMENTS
  10,432      100        0    3,557   13,890   13,989   13,990       26       25

CHANGES FROM 12/07/10 (CHANGE IN OPEN INTEREST:     -1,042)
     -79      100     -100     -869   -1,048   -1,048   -1,048        6        6

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    74.4      0.7      0.0     25.4     99.1     99.8     99.8      0.2      0.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
       4        1        2        5       14       10       16
 
 
SULFUR FINANCIAL INSTR 2009 - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006265
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/14/10          |
--------------------------------------------------------------| 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:       24,442
COMMITMENTS
  18,465       39        0    5,905   24,403   24,370   24,442       72        0

CHANGES FROM 12/07/10 (CHANGE IN OPEN INTEREST:       -118)
    -146        0      -56       56      -45     -146     -101       28      -17

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    75.5      0.2      0.0     24.2     99.8     99.7    100.0      0.3      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       31)
      10        1        1       14       15       25       16
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/14/10          |
--------------------------------------------------------------| 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:        5,758
COMMITMENTS
   4,909      822      528        0    4,337    5,436    5,686      322       72

CHANGES FROM 12/07/10 (CHANGE IN OPEN INTEREST:          1)
       1        0      -50        0        0      -49      -49       50       50

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    85.2     14.3      9.2      0.0     75.3     94.4     98.7      5.6      1.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
      18        1        6        0        2       19        8
 
 
RGGI CO2 ALLOWANCE 2009 - CHICAGO CLIMATE FUTURES EXCHANGE           Code-00626U
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/14/10          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:       11,907
COMMITMENTS
     512       83        5   11,351   11,784   11,868   11,872       39       35

CHANGES FROM 12/07/10 (CHANGE IN OPEN INTEREST:        -67)
    -109       14      -12       31      -81      -90      -79       23       12

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     4.3      0.7      0.0     95.3     99.0     99.7     99.7      0.3      0.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       20)
       4        2        3        7        7       12       11
```

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Updated December 17, 2010