Unitholder Services
MPLX LP's common units are traded on the New York Stock Exchange under the common unit ticker symbol MPLX.
Unitholder Services
Computershare is the transfer agent and registrar for MPLX LP's registered unitholders.
Computershare
P.O. Box 505000
Louisville, KY 40233-5000
| By overnight delivery: | 462 South 4th Street, Suite 1600 Louisville, KY 40202 |
| Internet Inquires: |
InvestorCentreTM website at www.computershare.com/investor |
| Telephone Inquires: | Toll Free: 877-373-6374 (U.S., Canada and Puerto Rico) Toll: 781-575-2879 (other, non-U.S. jurisdictions) |
| Email: |
Unitholder Online Account Access
For your convenience, you may access your unitholder account online at Computershare's Investor CentreTM. Access will require a User ID number and Password. New members may set up their account access using the Create Login tab at the middle-left of the Computershare's Investor CentreTM login page. Should you need additional assistance, please contact Computershare toll-free at 877-373-6374.
Independent Registered Public Accounting Firm
PricewaterhouseCoopers LLP
406 Washington St., Suite 200
Toledo, OH 43604
Distribution Payments
Quarterly distributions, if any, are expected to be made within 60 days after the end of each calendar quarter to holders of record on or about the first day of each such month
Receipt of IRS Schedule K-1
MPLX intends to furnish to each unitholder, within 90 days after the close of each calendar year, specific tax information, including a Schedule K-1, which describes such unitholder’s share of MPLX income, gain, loss and deduction for the preceding taxable year.
Distribution Checks Not Received/Electronic Deposit
If you do not receive your distribution check within 60 days of each calendar quarter-end, we suggest that you wait at least 10 additional days to allow for any delay in mail delivery. After that time, advise Computershare to issue a replacement check. You may contact Computershare to authorize electronic deposit of your distributions or interest into your bank account.
Unitholder Publications
Comprehensive and consolidated financial statements (SEC Forms 10-K, 10-Q, and 8K) are available online at the SEC's Edgar DatabaseTM.
Address Change
It is important that you notify Computershare immediately when you change your address. As a convenience, you also may make your address change online via Computershare's Investor CentreTM.
Taxpayer Identification Number
Federal law requires that each unitholder provide a certified Taxpayer Identification Number (TIN) for his/her unitholder account. For individual unitholders, your TIN is your Social Security Number. If you do not provide a certified TIN, Computershare may be required to withhold 28 percent for federal income taxes from your dividends.
MarkWest Energy Partners, L.P. Unitholders
On December 4, 2015, MarkWest Energy Partners, L.P., merged with MPLX LP. The holders of MarkWest Energy Partners, L.P. received MPLX LP units and cash in exchange for MarkWest Energy Partners L.P. units. Tax information for MarkWest Energy Partners, L.P. unitholders.
Andeavor Logistics LP (ANDX) Unitholders
On July 30, 2019, Andeavor Logistics LP ("ANDX") merged with and into MPLX LP. The holders of ANDX units received MPLX LP units in exchange for their ANDX units. Information regarding material U.S. federal income tax consequences of the merger can be found starting on page 14 of the consent statement/prospectus that was filed with the Securities and Exchange Commission ("SEC") on June 28, 2019.