SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 Commitments of Traders with Delta-adjusted Options and Futures Combined, May 15, 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 : 17,000: 3,355 1,261 308 12,963 14,338 16,627 15,907: 374 1,093 Old : 17,000: 3,355 1,261 308 12,963 14,338 16,627 15,907: 374 1,093 Other: 0: 0 0 0 0 0 0 0: 0 0 : : : : : Changes in Commitments from: May 8, 2007 : : -1,076: -71 652 -513 86 -1,342 -498 -1,203: -578 127 : : : : : Percent of Open Interest Represented by Each Category of Trader : All : 100.0: 19.7 7.4 1.8 76.3 84.3 97.8 93.6: 2.2 6.4 Old : 100.0: 19.7 7.4 1.8 76.3 84.3 97.8 93.6: 2.2 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 : 27: 8 8 4 10 10 21 19: Old : 27: 8 8 4 10 10 21 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 : 80.2 79.9 91.1 88.4 45.9 44.5 52.9 49.4 Old : 80.2 79.9 91.1 88.4 45.9 44.5 52.9 49.4 Other: 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Updated May 18, 2007