SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 Commitments of Traders with Delta-adjusted Options and Futures Combined, May 8, 2007 ------------------------------------------------------------------------------------------------------------------- : 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 : 18,076: 3,426 609 821 12,878 15,680 17,125 17,110: 951 966 Old : 18,076: 3,426 609 821 12,878 15,680 17,125 17,110: 951 966 Other: 0: 0 0 0 0 0 0 0: 0 0 : : : : : Changes in Commitments from: May 1, 2007 : : 490: 159 18 -6 244 452 397 464: 93 26 : : : : : Percent of Open Interest Represented by Each Category of Trader : All : 100.0: 19.0 3.4 4.5 71.2 86.7 94.7 94.7: 5.3 5.3 Old : 100.0: 19.0 3.4 4.5 71.2 86.7 94.7 94.7: 5.3 5.3 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 : 25: 10 4 6 11 11 23 19: Old : 25: 10 4 6 11 11 23 19: 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 : 73.9 78.8 85.9 88.6 46.0 45.6 49.9 50.2 Old : 73.9 78.8 85.9 88.6 46.0 45.6 49.9 50.2 Other: 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Updated May 11, 2007