```
 
 
SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 10/12/10          |
--------------------------------------------------------------| 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:       17,327
COMMITMENTS
  12,114      454       60    5,110   16,797   17,284   17,311       43       16

CHANGES FROM 10/05/10 (CHANGE IN OPEN INTEREST:        398)
     -11      301       -0      404      109      392      410        6      -12

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    69.9      2.6      0.3     29.5     96.9     99.8     99.9      0.2      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       22)
       4        1        2        6       13       11       15
 
 
SULFUR FINANCIAL INSTR 2009 - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006265
OPTION AND FUTURES COMBINED POSITIONS AS OF 10/12/10          |
--------------------------------------------------------------| 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:       25,676
COMMITMENTS
  18,128       39        4    7,529   25,627   25,661   25,670       15        6

CHANGES FROM 10/05/10 (CHANGE IN OPEN INTEREST:      1,578)
   1,387        6       -4      197    1,576    1,579    1,577       -1        1

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    70.6      0.2      0.0     29.3     99.8     99.9    100.0      0.1      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       35)
      12        1        1       17       16       30       17
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
OPTION AND FUTURES COMBINED POSITIONS AS OF 10/12/10          |
--------------------------------------------------------------| 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:        4,458
COMMITMENTS
   3,407      710      815        0    2,894    4,222    4,419      236       39

CHANGES FROM 10/05/10 (CHANGE IN OPEN INTEREST:        -77)
     -79      -22        7        0      -64      -72      -79       -5        2

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    76.4     15.9     18.3      0.0     64.9     94.7     99.1      5.3      0.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
      20        1        7        0        2       21        9
 
 
RGGI CO2 ALLOWANCE 2009 - CHICAGO CLIMATE FUTURES EXCHANGE           Code-00626U
OPTION AND FUTURES COMBINED POSITIONS AS OF 10/12/10          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:       12,094
COMMITMENTS
     728       79        5   11,302   11,948   12,035   12,033       59       62

CHANGES FROM 10/05/10 (CHANGE IN OPEN INTEREST:        123)
     -64        0        0      152       88       88       88       35       35

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     6.0      0.7      0.0     93.4     98.8     99.5     99.5      0.5      0.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
       5        1        2       10        7       15       10
```

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Updated October 15, 2010