This document provides gas volume and margin data by contract type for Duke Energy Field Services for quarters 3 and 4 of 2003 and quarters 1 through 3 of 2004. It shows that POP (Percentage of Proceeds) contracts had the highest margins, ranging from $235.5 to $282 million per quarter. Keepwhole contracts and fee-based gas and NGL transportation contracts also contributed significantly to margins. Total margins for Duke Energy Field Services ranged from $344.8 to $433.5 million per quarter.