SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 03/17/09                         |
--------------------------------------------------------------| 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:       23,195
COMMITMENTS
  15,650      777      787    6,617   21,531   23,054   23,095      141      100

CHANGES FROM 03/10/09 (CHANGE IN OPEN INTEREST:      1,404)
     -68     -131      111    1,279    1,353    1,322    1,333       82       71

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    67.5      3.3      3.4     28.5     92.8     99.4     99.6      0.6      0.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       33)
       8        5        5       16       16       27       23
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
FUTURES ONLY POSITIONS AS OF 03/17/09                         |
--------------------------------------------------------------| 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
   4,042    1,474    1,770      130    2,862    5,942    6,106      183       19

CHANGES FROM 03/10/09 (CHANGE IN OPEN INTEREST:         84)
     103       -3       10        0       77      113       84      -29        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    66.0     24.1     28.9      2.1     46.7     97.0     99.7      3.0      0.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       30)
      24        3        5        2        3       26       11
 
 
RGGI CO2 ALLOWANCE - CHICAGO CLIMATE FUTURES EXCHANGE                Code-00626U
FUTURES ONLY POSITIONS AS OF 03/17/09                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:        6,974
COMMITMENTS
     646    2,382      638    5,606    3,829    6,890    6,849       84      125

CHANGES FROM 03/10/09 (CHANGE IN OPEN INTEREST:        461)
     -84      445       29      565       27      510      501      -49      -40

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     9.3     34.2      9.1     80.4     54.9     98.8     98.2      1.2      1.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       25)
       4        4        4       12        9       19       14
 

Updated March 20, 2009