SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 Commitments of Traders with Delta-adjusted Options and Futures Combined, May 22, 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 : 18,139: 3,703 1,129 638 13,379 16,027 17,720 17,794: 419 345 Old : 18,139: 3,703 1,129 638 13,379 16,027 17,720 17,794: 419 345 Other: 0: 0 0 0 0 0 0 0: 0 0 : : : : : Changes in Commitments from: May 15, 2007 : : 1,139: 348 -132 330 415 1,688 1,094 1,887: 45 -748 : : : : : Percent of Open Interest Represented by Each Category of Trader : All : 100.0: 20.4 6.2 3.5 73.8 88.4 97.7 98.1: 2.3 1.9 Old : 100.0: 20.4 6.2 3.5 73.8 88.4 97.7 98.1: 2.3 1.9 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 : 30: 12 7 6 11 10 26 20: Old : 30: 12 7 6 11 10 26 20: 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 : 78.1 80.8 88.0 90.6 45.3 45.0 49.1 49.8 Old : 78.1 80.8 88.0 90.6 45.3 45.0 49.1 49.8 Other: 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Updated May 25, 2007