```
 
 
SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 12/07/10                         |
--------------------------------------------------------------| 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:       14,107
COMMITMENTS
  10,499       38       12    3,586   14,038   14,097   14,088       10       19

CHANGES FROM 11/30/10 (CHANGE IN OPEN INTEREST:       -863)
      -7     -104       12     -863     -769     -858     -861       -5       -2

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    74.4      0.3      0.1     25.4     99.5     99.9     99.9      0.1      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       22)
       5        1        1        4       13       10       14
 
 
SULFUR FINANCIAL INSTR 2009 - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006265
FUTURES ONLY POSITIONS AS OF 12/07/10                         |
--------------------------------------------------------------| 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:       24,446
COMMITMENTS
  18,572       39       56    5,774   24,334   24,402   24,429       44       17

CHANGES FROM 11/30/10 (CHANGE IN OPEN INTEREST:       -804)
     -98        0       -6     -730     -810     -834     -816       30       12

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    76.0      0.2      0.2     23.6     99.5     99.8     99.9      0.2      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       32)
      11        1        2       10       13       21       16
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
FUTURES ONLY POSITIONS AS OF 12/07/10                         |
--------------------------------------------------------------| 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:        2,331
COMMITMENTS
   2,215      355        0        0    1,975    2,215    2,330      116        1

CHANGES FROM 11/30/10 (CHANGE IN OPEN INTEREST:        -41)
     -41      -41        0        0        0      -41      -41        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    95.0     15.2      0.0      0.0     84.7     95.0    100.0      5.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
      17        2        0        0        2       17        4
 
 
RGGI CO2 ALLOWANCE 2009 - CHICAGO CLIMATE FUTURES EXCHANGE           Code-00626U
FUTURES ONLY POSITIONS AS OF 12/07/10                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:       11,938
COMMITMENTS
     585       69       17   11,320   11,831   11,922   11,917       16       21

CHANGES FROM 11/30/10 (CHANGE IN OPEN INTEREST:        -51)
      15      -10       -1      -50      -25      -36      -36      -15      -15

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     4.9      0.6      0.1     94.8     99.1     99.9     99.8      0.1      0.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       20)
       5        1        2        7        7       12       10
```

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Updated December 10, 2010