```
 
 
SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/14/09          |
--------------------------------------------------------------| 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:       25,237
COMMITMENTS
  16,945      398      776    7,325   23,912   25,047   25,087      190      150

CHANGES FROM 04/07/09 (CHANGE IN OPEN INTEREST:      1,901)
     198      114       10    1,661    1,749    1,869    1,873       32       28

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    67.1      1.6      3.1     29.0     94.8     99.2     99.4      0.8      0.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       35)
       9        5        6       15       17       26       26
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/14/09          |
--------------------------------------------------------------| 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:        6,125
COMMITMENTS
   3,246    2,320    2,364      129    1,376    5,739    6,060      386       64

CHANGES FROM 04/07/09 (CHANGE IN OPEN INTEREST:       -157)
     -95     -103      -62        0       34     -157     -131       -1      -27

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    53.0     37.9     38.6      2.1     22.5     93.7     99.0      6.3      1.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       32)
      21        7       11        2        4       27       18
 
 
NITROGEN FIN INS ANNUAL 2009 - CHICAGO CLIMATE FUTURES EXCHANGE      Code-00626F
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/14/09          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1 U.S. EPA CAIR ANNUAL EMM             OPEN INTEREST:       23,625
COMMITMENTS
   1,874      199        0   21,741   23,426   23,615   23,625       10        0

CHANGES FROM 04/07/09 (CHANGE IN OPEN INTEREST:          .)
       .        .        .        .        .        .        .        .        .

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     7.9      0.8      0.0     92.0     99.2    100.0    100.0      0.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
       1        1        0       15       12       16       13
 
 
RGGI CO2 ALLOWANCE - CHICAGO CLIMATE FUTURES EXCHANGE                Code-00626U
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/14/09          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:       14,944
COMMITMENTS
   1,481    4,249    1,269   11,760    8,988   14,510   14,506      434      438

CHANGES FROM 04/07/09 (CHANGE IN OPEN INTEREST:      1,713)
      24     -167      495    1,651    1,845    2,170    2,173     -457     -460

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     9.9     28.4      8.5     78.7     60.1     97.1     97.1      2.9      2.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       27)
       4        4        6       18       14       26       20
```

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Updated April 17, 2009