```
 
 
SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/19/09          |
--------------------------------------------------------------| 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:       37,113
COMMITMENTS
  23,428      718    1,058   12,540   35,296   37,026   37,072       87       41

CHANGES FROM 05/12/09 (CHANGE IN OPEN INTEREST:      3,421)
   2,664      140     -176      945    3,484    3,433    3,448      -12      -27

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    63.1      1.9      2.9     33.8     95.1     99.8     99.9      0.2      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       33)
       9        3        5       17       18       27       25
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/19/09          |
--------------------------------------------------------------| 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:        5,718
COMMITMENTS
   3,163    2,168    2,015       60    1,404    5,238    5,586      480      132

CHANGES FROM 05/12/09 (CHANGE IN OPEN INTEREST:        270)
     170      -74       23        0      280      193      229       77       41

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    55.3     37.9     35.2      1.0     24.6     91.6     97.7      8.4      2.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       28)
      20        4        9        2        4       25       14
 
 
NITROGEN FIN INS ANNUAL 2009 - CHICAGO CLIMATE FUTURES EXCHANGE      Code-00626F
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/19/09          |
--------------------------------------------------------------| 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:       28,878
COMMITMENTS
   1,874      614      250   26,754   28,014   28,878   28,878        0        0

CHANGES FROM 05/12/09 (CHANGE IN OPEN INTEREST:      2,293)
    -250      100      250    2,293    1,943    2,293    2,293        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     6.5      2.1      0.9     92.6     97.0    100.0    100.0      0.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       22)
       1        2        1       16       12       17       15
 
 
RGGI CO2 ALLOWANCE - CHICAGO CLIMATE FUTURES EXCHANGE                Code-00626U
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/19/09          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:       17,386
COMMITMENTS
   1,469    4,799      498   15,399   12,082   17,366   17,379       20        7

CHANGES FROM 05/12/09 (CHANGE IN OPEN INTEREST:      1,911)
     154      339       12    1,846    1,666    2,012    2,017     -101     -106

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     8.4     27.6      2.9     88.6     69.5     99.9    100.0      0.1      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       30)
       6        4        7       19       15       29       22
```

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Updated May 22, 2009