MPLX LP announced a cash distribution of $0.3125 per common unit for the fourth quarter of 2013. This represents an increase of $0.015 per unit, or 5%, over the previous quarterly distribution a 19% increase over the minimum quarterly distribution at the time of MPLX's initial public offering in October 2012. The distribution will be paid on February 14, 2014, to unitholders of record of February 4, 2014.