SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 Commitments of Traders with Delta-adjusted Options and Futures Combined, April 29, 2008 ------------------------------------------------------------------------------------------------------------------- : 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 : 38,670: 10,662 3,287 4,467 22,954 30,298 38,082 38,052: 588 619 Old : 38,670: 10,662 3,287 4,467 22,954 30,298 38,082 38,052: 588 619 Other: 0: 0 0 0 0 0 0 0: 0 0 : : : : : Changes in Commitments from: April 22, 2008 : : 922: 431 655 -300 319 120 450 475: 472 448 : : : : : Percent of Open Interest Represented by Each Category of Trader : All : 100.0: 27.6 8.5 11.6 59.4 78.4 98.5 98.4: 1.5 1.6 Old : 100.0: 27.6 8.5 11.6 59.4 78.4 98.5 98.4: 1.5 1.6 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 : 33: 10 9 13 14 14 31 29: Old : 33: 10 9 13 14 14 31 29: 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 : 57.1 69.7 78.5 84.6 34.2 33.1 41.1 38.2 Old : 57.1 69.7 78.5 84.6 34.2 33.1 41.1 38.2 Other: 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Updated May 2, 2008