SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 03/10/09                         |
--------------------------------------------------------------| 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:       21,791
COMMITMENTS
  15,718      908      676    5,338   20,178   21,732   21,762       59       29

CHANGES FROM 03/03/09 (CHANGE IN OPEN INTEREST:       -824)
    -152   -2,539      -62     -544    1,829     -758     -772      -66      -52

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    72.1      4.2      3.1     24.5     92.6     99.7     99.9      0.3      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       34)
       8        6        5       14       18       25       26
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
FUTURES ONLY POSITIONS AS OF 03/10/09                         |
--------------------------------------------------------------| 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:        6,041
COMMITMENTS
   3,939    1,477    1,760      130    2,785    5,829    6,022      212       19

CHANGES FROM 03/03/09 (CHANGE IN OPEN INTEREST:         52)
      -7        3       42        0        7       35       52       17        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    65.2     24.4     29.1      2.2     46.1     96.5     99.7      3.5      0.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       29)
      22        4        4        2        3       24       11
 
 
RGGI CO2 ALLOWANCE - CHICAGO CLIMATE FUTURES EXCHANGE                Code-00626U
FUTURES ONLY POSITIONS AS OF 03/10/09                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:        6,513
COMMITMENTS
     730    1,937      609    5,041    3,802    6,380    6,348      133      165

CHANGES FROM 03/03/09 (CHANGE IN OPEN INTEREST:        615)
     -39     -369      253      314      622      528      506       87      109

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    11.2     29.7      9.4     77.4     58.4     98.0     97.5      2.0      2.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       25)
       4        4        4       10       10       17       15
 

Updated March 13, 2009