SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 Commitments of Traders with Delta-adjusted Options and Futures Combined, May 1, 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 : 17,586: 3,267 591 827 12,633 15,227 16,728 16,646: 858 940 Old : 17,586: 3,267 591 827 12,633 15,227 16,728 16,646: 858 940 Other: 0: 0 0 0 0 0 0 0: 0 0 : : : : : Changes in Commitments from: April 24, 2007 : : 2,006: -103 327 158 1,590 1,040 1,645 1,525: 361 481 : : : : : Percent of Open Interest Represented by Each Category of Trader : All : 100.0: 18.6 3.4 4.7 71.8 86.6 95.1 94.7: 4.9 5.3 Old : 100.0: 18.6 3.4 4.7 71.8 86.6 95.1 94.7: 4.9 5.3 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 : 23: 9 3 5 11 10 21 17: Old : 23: 9 3 5 11 10 21 17: 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 : 76.3 80.1 88.3 89.1 45.9 45.1 49.8 50.0 Old : 76.3 80.1 88.3 89.1 45.9 45.1 49.8 50.0 Other: 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Updated April 27, 2007