SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE                                          Code-006261
Commitments of Traders with Delta-adjusted Options and Futures Combined, January 29, 2008                
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (CONTRACTS OF 25 U.S. EPA SO2 EMMISSION ALLOWANCES)                        :
     :          :                                                                            :
All  :    22,061:     6,328      3,059      3,171     12,041     15,796     21,539     22,026:       522         35
Old  :    22,061:     6,328      3,059      3,171     12,041     15,796     21,539     22,026:       522         35
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: January 22, 2008                     :
     :     2,302:       238      1,080        266      1,322      1,155      1,826      2,501:       476       -198
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      28.7       13.9       14.4       54.6       71.6       97.6       99.8:       2.4        0.2
Old  :     100.0:      28.7       13.9       14.4       54.6       71.6       97.6       99.8:       2.4        0.2
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        31:        10          9         11         12         11         27         26:
Old  :        31:        10          9         11         12         11         27         26:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 53.1       72.4       81.5       83.2       31.6       31.6       40.2       39.1
Old  :                 53.1       72.4       81.5       83.2       31.6       31.6       40.2       39.1
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated February 1, 2008