Company:  MPLX LP (MPLX)
Form Type:  4
Filing Date:  10/5/2021 
CIK:  0001552000 
Address:  200 E. HARDIN STREET 
City, State, Zip:  FINDLAY, Ohio 45840 
Telephone:  (419) 421-2159 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
-0.57 (-1.95%)  
Trade Time: 
Dec 01  
Market Cap: 
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Description of Business
We are a diversified, large-cap master limited partnership ("MLP") formed in 2012 by MPC (as our sponsor) that owns and operates midstream energy infrastructure and logistics assets, and provides fuels distribution services. Our assets include a network of crude oil and refined product pipelines; an inland marine business; light-product, asphalt, heavy oil and marine terminals; storage caverns; refinery tanks, docks, loading racks, and associated piping; crude oil and natural gas gathering systems and pipelines; as well as natural gas and NGL processing and fractionation facilities. The operation of these assets are conducted in our Logistics and Storage ("L&S") and Gathering and Processing ("G&P") operating segments. Our assets are positioned throughout the United States as depicted in the map below. Our L&S segment primarily engages in the transportation, storage, distribution and marketing of crude oil, asphalt and refined petroleum products.
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  FORM 4