MPLX LP, an LP formed by Marathon Petroleum to own and operate crude oil midstream assets, raised $381 million by offering 17.3 million shares at $22, above the range of $19 to $21. The company had originally planned to offer 15 million shares. MPLX LP will list on the NYSE under the symbol MPLX. UBS Investment Bank, BofA Merrill Lynch, Morgan Stanley, Citi and J.P. Morgan acted as lead managers on the deal.
