MPLX LP announced that the board of directors of its general partner has declared a cash distribution of $0.6075 per common unit for the fourth quarter of 2017. This represents an increase of $0.02 per unit, or 3.4%, over the third-quarter 2017 distribution; an increase of $0.0875 per unit, or 16.8%, over the fourth-quarter 2016 distribution; and a 12.1% increase on a full-year basis over 2016 distributions. The distribution will be paid on February 14, 2018, to common unit holders of record as of February 5, 2018.