MPLX LP announced that the board of directors of its general partner has declared a cash distribution of $0.52 per common unit for the fourth quarter of 2016. This represents an increase of $0.005 per unit, or 1%, over the third-quarter 2016 distribution, an increase of $0.02 per unit, or 4%, over the fourth-quarter 2015 distribution, and a 13% increase on a full-year basis over 2015 distributions. The distribution will be paid Feb. 14, 2017, to common unitholders of record as of Feb. 6, 2017.