```
 
 
SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/02/10          |
--------------------------------------------------------------| 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:       12,338
COMMITMENTS
  10,496      375        0    1,822   11,961   12,318   12,336       20        2

CHANGES FROM 02/23/10 (CHANGE IN OPEN INTEREST:     -4,929)
      36     -200      -23   -4,724   -4,476   -4,711   -4,699     -218     -230

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    85.1      3.0      0.0     14.8     96.9     99.8    100.0      0.2      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       24)
       6        2        0        8       10       14       12
 
 
SULFUR FINANCIAL INSTR 2009 - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006265
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/02/10          |
--------------------------------------------------------------| 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:       25,356
COMMITMENTS
  16,847    4,863    2,877    5,578   17,607   25,302   25,347       54        9

CHANGES FROM 02/23/10 (CHANGE IN OPEN INTEREST:      1,133)
     789     -254      366       53    1,096    1,208    1,207      -75      -74

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    66.4     19.2     11.3     22.0     69.4     99.8    100.0      0.2      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       27)
       5        4        3       14       13       22       17
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/02/10          |
--------------------------------------------------------------| 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:        3,934
COMMITMENTS
   2,630      439      993       55    2,444    3,679    3,876      255       57

CHANGES FROM 02/23/10 (CHANGE IN OPEN INTEREST:         31)
      61      -17      -31        0       81       30       32        1       -1

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    66.9     11.2     25.3      1.4     62.1     93.5     98.5      6.5      1.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
      19        2        7        2        2       23        9
 
 
RGGI CO2 ALLOWANCE 2009 - CHICAGO CLIMATE FUTURES EXCHANGE           Code-00626U
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/02/10          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:        9,903
COMMITMENTS
     704       39       23    9,008    9,818    9,735    9,880      168       23

CHANGES FROM 02/23/10 (CHANGE IN OPEN INTEREST:     -2,555)
     -24       16      -26   -2,625   -2,528   -2,675   -2,538      120      -17

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     7.1      0.4      0.2     91.0     99.1     98.3     99.8      1.7      0.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       20)
       2        2        2       10        8       14       10
```

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Updated March 2, 2010