SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 Commitments of Traders - Futures Only, December 31, 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 : : : : All : 9,392: 3,731 1,432 161 4,851 7,174 8,743 8,767: 649 625 Old : 9,392: 3,731 1,432 161 4,851 7,174 8,743 8,767: 649 625 Other: 0: 0 0 0 0 0 0 0: 0 0 : : : : : Changes in Commitments from: December 24, 2007 : : 83: 789 -204 1 -1,239 -236 -449 -439: 532 522 : : : : : Percent of Open Interest Represented by Each Category of Trader : All : 100.0: 39.7 15.2 1.7 51.7 76.4 93.1 93.3: 6.9 6.7 Old : 100.0: 39.7 15.2 1.7 51.7 76.4 93.1 93.3: 6.9 6.7 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: 9 10 6 9 10 21 23: Old : 30: 9 10 6 9 10 21 23: 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 : 56.3 61.4 84.7 82.6 47.2 43.2 60.4 55.3 Old : 56.3 61.4 84.7 82.6 47.2 43.2 60.4 55.3 Other: 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Updated January 4, 2008