PLANO, Texas--(BUSINESS WIRE)--Dr Pepper Snapple Group, Inc. (NYSE: DPS) reported first quarter 2015 EPS of $0.81 compared to $0.78 in the prior year period, an increase of 4%. Core EPS were also $0.81, compared to $0.74 in the prior year, an increase of 9%. For the quarter, reported net sales increased 4%, as a sales volume increase of 2% and favorable segment and product mix were partially offset by 1 percentage point of unfavorable foreign currency translation. Reported segment operating pro