SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 Commitments of Traders with Delta-adjusted Options and Futures Combined, April 24, 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 : 15,580: 3,370 264 670 11,043 14,187 15,083 15,121: 497 459 Old : 15,580: 3,370 264 670 11,043 14,187 15,083 15,121: 497 459 Other: 0: 0 0 0 0 0 0 0: 0 0 : : : : : Changes in Commitments from: April 17, 2007 : : .: . . . . . . .: . . : : : : : Percent of Open Interest Represented by Each Category of Trader : All : 100.0: 21.6 1.7 4.3 70.9 91.1 96.8 97.1: 3.2 2.9 Old : 100.0: 21.6 1.7 4.3 70.9 91.1 96.8 97.1: 3.2 2.9 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 : 22: 9 2 5 11 11 22 16: Old : 22: 9 2 5 11 11 22 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 : 74.1 85.5 87.2 93.7 43.4 47.9 48.4 51.4 Old : 74.1 85.5 87.2 93.7 43.4 47.9 48.4 51.4 Other: 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Updated April 27, 2007