MPLX LP announced that the board of directors of its general partner has declared a cash distribution of $0.50 per common unit for the fourth quarter of 2015. This represents an increase of $0.03 per unit, or 6.4%, over the third-quarter 2015 distribution and an increase of $0.1175 per unit, or 30.7%, over the fourth-quarter 2014 distribution. The distribution will be paid February 12, 2016, to unit holders of record as of February 4, 2016.