SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 10/21/08                         |
--------------------------------------------------------------| 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:       32,246
COMMITMENTS
  23,469    6,961    2,824    5,874   22,436   32,167   32,221       79       25

CHANGES FROM 10/14/08 (CHANGE IN OPEN INTEREST:        750)
     485      455     -236      547      587      796      806      -46      -56

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    72.8     21.6      8.8     18.2     69.6     99.8     99.9      0.2      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       38)
      13       10        5        9       14       24       27
 
 
RGGI CO2 ALLOWANCE - CHICAGO CLIMATE FUTURES EXCHANGE                Code-00626U
FUTURES ONLY POSITIONS AS OF 10/21/08                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:        2,036
COMMITMENTS
     128      419      110    1,630    1,265    1,868    1,794      168      242

CHANGES FROM 10/14/08 (CHANGE IN OPEN INTEREST:          .)
       .        .        .        .        .        .        .        .        .

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     6.3     20.6      5.4     80.1     62.1     91.7     88.1      8.3     11.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       20)
       2        5        4        9        7       14       13
 

Updated October 24, 2008