Duncan Energy Partners Increases Quarterly Distribution by 2.2% to $0.46

Duncan Energy Partners L.P. DEP today announced that the board of directors of its general partner declared an increase in the quarterly cash distribution rate paid to partners to $0.46 per common unit, or $1.84 per unit on an annualized basis. The quarterly distribution will be paid on Wednesday, August 10, 2011, to unitholders of record at the close of business on Friday, July 29, 2011. This distribution represents a 2.2 percent increase from the $0.45 per unit distribution declared for the second quarter of 2010 and is the 11th consecutive quarterly distribution increase.