SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 Commitments of Traders - Futures Only, 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 : 14,907: 3,372 171 605 9,991 13,177 13,968 13,953: 939 954 Old : 14,907: 3,372 171 605 9,991 13,177 13,968 13,953: 939 954 Other: 0: 0 0 0 0 0 0 0: 0 0 : : : : : Changes in Commitments from: May 1, 2007 : : 547: 134 87 0 320 361 454 448: 93 99 : : : : : Percent of Open Interest Represented by Each Category of Trader : All : 100.0: 22.6 1.1 4.1 67.0 88.4 93.7 93.6: 6.3 6.4 Old : 100.0: 22.6 1.1 4.1 67.0 88.4 93.7 93.6: 6.3 6.4 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: 11 3 4 9 10 21 16: Old : 25: 11 3 4 9 10 21 16: 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 : 76.6 84.2 87.8 90.2 48.4 53.7 53.8 55.4 Old : 76.6 84.2 87.8 90.2 48.4 53.7 53.8 55.4 Other: 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Updated May 11, 2007