<SUBMISSION>
<ACCESSION-NUMBER>0000899243-17-009882
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>2
<PERIOD>20170406
<FILING-DATE>20170410
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>Easton Loren S.
<CIK>0001626074
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-36774
<FILM-NUMBER>17754416
</FILING-VALUES>
<MAIL-ADDRESS>
<STREET1>C/O AMERICAN SECURITIES LLC
<STREET2>299 PARK AVENUE, 34TH FLOOR
<CITY>NEW YORK
<STATE>NY
<ZIP>10171
</MAIL-ADDRESS>
</REPORTING-OWNER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>AMERICAN SECURITIES LLC
<CIK>0001475483
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-36774
<FILM-NUMBER>17754418
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>299 PARK AVENUE
<CITY>NEW YORK
<STATE>NY
<ZIP>10171
<PHONE>212 476-8000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>299 PARK AVENUE
<CITY>NEW YORK
<STATE>NY
<ZIP>10171
</MAIL-ADDRESS>
</REPORTING-OWNER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>American Securities Associates VI, LLC
<CIK>0001627455
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-36774
<FILM-NUMBER>17754419
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>C/O AMERICAN SECURITIES LLC
<STREET2>299 PARK AVENUE, 34TH FLOOR
<CITY>NEW YORK
<STATE>NY
<ZIP>10171
<PHONE>212 476-8000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>C/O AMERICAN SECURITIES LLC
<STREET2>299 PARK AVENUE, 34TH FLOOR
<CITY>NEW YORK
<STATE>NY
<ZIP>10171
</MAIL-ADDRESS>
</REPORTING-OWNER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>American Securities Partners VI(D), L.P.
<CIK>0001532681
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-36774
<FILM-NUMBER>17754420
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>299 PARK AVENUE, 34TH FLOOR
<CITY>NEW YORK
<STATE>NY
<ZIP>10171
<PHONE>212.476.8000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>299 PARK AVENUE, 34TH FLOOR
<CITY>NEW YORK
<STATE>NY
<ZIP>10171
</MAIL-ADDRESS>
</REPORTING-OWNER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>American Securities Partners VI(C), L.P.
<CIK>0001532680
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-36774
<FILM-NUMBER>17754421
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>299 PARK AVENUE, 34TH FLOOR
<CITY>NEW YORK
<STATE>NY
<ZIP>10171
<PHONE>212.476.8000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>299 PARK AVENUE, 34TH FLOOR
<CITY>NEW YORK
<STATE>NY
<ZIP>10171
</MAIL-ADDRESS>
</REPORTING-OWNER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>American Securities Partners VI, L.P.
<CIK>0001504662
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-36774
<FILM-NUMBER>17754423
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>299 PARK AVENUE
<STREET2>34TH FLOOR
<CITY>NEW YORK
<STATE>NY
<ZIP>10171
<PHONE>212.476.8000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>299 PARK AVENUE
<STREET2>34TH FLOOR
<CITY>NEW YORK
<STATE>NY
<ZIP>10171
</MAIL-ADDRESS>
</REPORTING-OWNER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>ASP MD Investco LP
<CIK>0001626084
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-36774
<FILM-NUMBER>17754424
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>C/O AMERICAN SECURITIES LLC
<STREET2>299 PARK AVENUE, 34TH FLOOR
<CITY>NEW YORK
<STATE>NY
<ZIP>10171
<PHONE>212 476-8000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>C/O AMERICAN SECURITIES LLC
<STREET2>299 PARK AVENUE, 34TH FLOOR
<CITY>NEW YORK
<STATE>NY
<ZIP>10171
</MAIL-ADDRESS>
</REPORTING-OWNER>
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>Metaldyne Performance Group Inc.
<CIK>0001616817
<ASSIGNED-SIC>3714
<IRS-NUMBER>471420222
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>ONE TOWNE SQUARE
<STREET2>SUITE 550
<CITY>SOUTHFIELD
<STATE>MI
<ZIP>48076
<PHONE>248-727-1800
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>ONE TOWNE SQUARE
<STREET2>SUITE 550
<CITY>SOUTHFIELD
<STATE>MI
<ZIP>48076
</MAIL-ADDRESS>
</ISSUER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>American Securities Partners VI(B), L.P.
<CIK>0001504663
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-36774
<FILM-NUMBER>17754422
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>299 PARK AVENUE
<STREET2>34TH FLOOR
<CITY>NEW YORK
<STATE>NY
<ZIP>10171
<PHONE>(212) 476-8000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>299 PARK AVENUE
<STREET2>34TH FLOOR
<CITY>NEW YORK
<STATE>NY
<ZIP>10171
</MAIL-ADDRESS>
</REPORTING-OWNER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>Penn Kevin S.
<CIK>0001626076
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-36774
<FILM-NUMBER>17754417
</FILING-VALUES>
<MAIL-ADDRESS>
<STREET1>C/O AMERICAN SECURITIES LLC
<STREET2>299 PARK AVENUE, 34TH FLOOR
<CITY>NEW YORK
<STATE>NY
<ZIP>10171
</MAIL-ADDRESS>
</REPORTING-OWNER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>Fisch Michael G.
<CIK>0001626077
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-36774
<FILM-NUMBER>17754415
</FILING-VALUES>
<MAIL-ADDRESS>
<STREET1>C/O AMERICAN SECURITIES LLC
<STREET2>299 PARK AVENUE, 34TH FLOOR
<CITY>NEW YORK
<STATE>NY
<ZIP>10171
</MAIL-ADDRESS>
</REPORTING-OWNER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-04-06</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001616817</issuerCik>
        <issuerName>Metaldyne Performance Group Inc.</issuerName>
        <issuerTradingSymbol>MPG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001626084</rptOwnerCik>
            <rptOwnerName>ASP MD Investco LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O AMERICAN SECURITIES LLC</rptOwnerStreet1>
            <rptOwnerStreet2>299 PARK AVENUE, 34TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10171</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001504662</rptOwnerCik>
            <rptOwnerName>American Securities Partners VI, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O AMERICAN SECURITIES LLC</rptOwnerStreet1>
            <rptOwnerStreet2>299 PARK AVENUE, 34TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10171</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001504663</rptOwnerCik>
            <rptOwnerName>American Securities Partners VI(B), L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O AMERICAN SECURITIES LLC</rptOwnerStreet1>
            <rptOwnerStreet2>299 PARK AVENUE, 34TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10171</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001532680</rptOwnerCik>
            <rptOwnerName>American Securities Partners VI(C), L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O AMERICAN SECURITIES LLC</rptOwnerStreet1>
            <rptOwnerStreet2>299 PARK AVENUE, 34TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10171</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001532681</rptOwnerCik>
            <rptOwnerName>American Securities Partners VI(D), L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O AMERICAN SECURITIES LLC</rptOwnerStreet1>
            <rptOwnerStreet2>299 PARK AVENUE, 34TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10171</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001627455</rptOwnerCik>
            <rptOwnerName>American Securities Associates VI, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O AMERICAN SECURITIES LLC</rptOwnerStreet1>
            <rptOwnerStreet2>299 PARK AVENUE, 34TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10171</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001475483</rptOwnerCik>
            <rptOwnerName>AMERICAN SECURITIES LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O AMERICAN SECURITIES LLC</rptOwnerStreet1>
            <rptOwnerStreet2>299 PARK AVE, 34TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10171</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001626076</rptOwnerCik>
            <rptOwnerName>Penn Kevin S.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O AMERICAN SECURITIES LLC</rptOwnerStreet1>
            <rptOwnerStreet2>299 PARK AVENUE, 34TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10171</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001626074</rptOwnerCik>
            <rptOwnerName>Easton Loren S.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O AMERICAN SECURITIES LLC</rptOwnerStreet1>
            <rptOwnerStreet2>299 PARK AVENUE, 34TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10171</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001626077</rptOwnerCik>
            <rptOwnerName>Fisch Michael G.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O AMERICAN SECURITIES LLC</rptOwnerStreet1>
            <rptOwnerStreet2>299 PARK AVENUE, 34TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10171</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $0.001 per share (&quot;Common Stock&quot;)</value>
            </securityTitle>
            <transactionDate>
                <value>2017-04-06</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>51368003</value>
                    <footnoteId id="F3"/>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-04-06</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5290</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F4"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-04-06</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3135</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F5"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F5"/>
                    <footnoteId id="F6"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-04-06</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3135</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F5"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F5"/>
                    <footnoteId id="F7"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-04-06</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3135</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F5"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F5"/>
                    <footnoteId id="F8"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Reflects disposition in connection with the consummation of the transactions contemplated by the Agreement and Plan of Merger, dated as of November 3, 2016 (the &quot;Merger Agreement&quot;), by and among the Issuer, American Axle &amp; Manufacturing Holdings, Inc. (&quot;AAM&quot;) and Alpha SPV I, Inc., a wholly-owned subsidiary of AAM (&quot;Merger Sub&quot;), pursuant to which Merger Sub merged with and into the Issuer (the &quot;Merger&quot;), with the Issuer surviving as a wholly-owned subsidiary of AAM and each share of Common Stock was exchanged for $13.50 in cash (the &quot;Cash Consideration&quot;) and 0.5 of a share of common stock of AAM (the &quot;Share Consideration&quot; and, together with the Cash Consideration, the &quot;Merger Consideration&quot;). The closing price of a share of Common Stock on April 5, 2017 (the last trading day prior to the effectiveness of the Merger) was $21.90, and the closing price of a share of AAM common stock on April 6, 2017 (the effective date of the Merger) was $17.00.</footnote>
        <footnote id="F2">Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of such Reporting Person's pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.</footnote>
        <footnote id="F3">Represents (A) 51,365,358 shares directly owned by ASP MD Investco LP (&quot;Investco&quot;) that may also be deemed to be indirectly beneficially owned by: (i) American Securities Partners VI, L.P., American Securities Partners VI(B), L.P., American Securities Partners VI(C), L.P. and American Securities Partners VI(D), L.P. (each, a &quot;Sponsor&quot;), the owners of partnership interests in Investco; and (ii) American Securities Associates VI, LLC, the general partner of each Sponsor. American Securities LLC (&quot;ASL&quot;) provides investment advisory services to each Sponsor, and (B) 2,645 shares of common stock granted to Kevin Penn, Loren Easton and Michael Fisch in their capacity as directors of the Issuer; pursuant to an arrangement between each of Mr. Penn, Mr. Easton, and Mr. Fisch and ASL, such shares of common stock were assigned to and held for the benefit of ASL.</footnote>
        <footnote id="F4">Reflects disposition of shares of restricted stock under the Merger Agreement, pursuant to which each share of restricted stock of the Issuer was canceled in exchange for the Merger Consideration; such shares had been granted to Kevin Penn, Loren Easton and Michael Fisch in their capacity as directors of the Issuer and were assigned to and held for the benefit of ASL pursuant to an arrangement between each of Mr. Penn, Mr. Easton, and Mr. Fisch and ASL.</footnote>
        <footnote id="F5">Reflects disposition under the Merger Agreement, pursuant to which each restricted stock unit of the Issuer became fully vested immediately prior to the Merger and was canceled in exchange for the Merger Consideration; such shares had been granted to Kevin Penn, Loren Easton and Michael Fisch in their capacity as directors of the Issuer and were assigned to and held for the benefit of ASL pursuant to an arrangement between each of Mr. Penn, Mr. Easton, and Mr. Fisch and ASL.</footnote>
        <footnote id="F6">Kevin Penn is a managing director of ASL (and was a director of Issuer). Pursuant to an arrangement between Mr. Penn and ASL, all director fees received by him from the Issuer were paid over to or held for the benefit of ASL.</footnote>
        <footnote id="F7">Loren Easton is a managing director of ASL (and was a director of Issuer). Pursuant to an arrangement between Mr. Easton and ASL, all director fees received by him from the Issuer were paid over to or held for the benefit of ASL.</footnote>
        <footnote id="F8">Michael G. Fisch is President and Chief Executive Officer of ASL (and was a director of Issuer). Pursuant to an arrangement between Mr. Fisch and ASL, all director fees received by him from the Issuer were paid over to or held for the benefit of ASL.</footnote>
    </footnotes>

    <remarks>Exhibit 99.1 Joint Filer Information, incorporated herein by reference</remarks>

    <ownerSignature>
        <signatureName>ASP MD Investco LP, By: ASP Manager Corp., its general partner, /s/ Michael G. Fisch, as President</signatureName>
        <signatureDate>2017-04-10</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>American Securities Partners VI, L.P., By: American Securities Associates VI, LLC,  its general partner, /s/ Michael G. Fisch, as Managing Member</signatureName>
        <signatureDate>2017-04-10</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>American Securities Partners VI(B), L.P., By: American Securities Associates VI, LLC,  its general partner, /s/ Michael G. Fisch, as Managing Member</signatureName>
        <signatureDate>2017-04-10</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>American Securities Partners VI(C), L.P., By: American Securities Associates VI, LLC,  its general partner, /s/ Michael G. Fisch, as Managing Member</signatureName>
        <signatureDate>2017-04-10</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>American Securities Partners VI(D), L.P., By: American Securities Associates VI, LLC,  its general partner, /s/ Michael G. Fisch, as Managing Member</signatureName>
        <signatureDate>2017-04-10</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>American Securities Associates VI, LLC, /s/ Michael G. Fisch, as Managing Member</signatureName>
        <signatureDate>2017-04-10</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>American Securities LLC, /s/ Michael G. Fisch, as President and Chief Executive Officer</signatureName>
        <signatureDate>2017-04-10</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Kevin S. Penn</signatureName>
        <signatureDate>2017-04-10</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Loren S. Easton</signatureName>
        <signatureDate>2017-04-10</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Michael G. Fisch</signatureName>
        <signatureDate>2017-04-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>attachment1.htm
<DESCRIPTION>EX-99.1 DOCUMENT
<TEXT>
<HTML>
<HEAD>
</HEAD>
<BODY>
<PRE>
                                                                    Exhibit 99.1

                             Joint Filer Information

Name of Joint Filer:                       American Securities Partners VI, L.P.

Address of Joint Filer:                    c/o American Securities LLC
                                           299 Park Ave, 34th Floor
                                           New York, NY 10171

Relationship of Joint Filer to Issuer:     10% Owner

Issuer Name and Ticker or Trading Symbol:  Metaldyne Performance Group Inc.
                                           [MPG]

Date of Event Requiring Statement:
(Month/Day/Year):                          4/6/2017

Designated Filer:                          ASP MD Investco LP


Name of Joint Filer:                       American Securities Partners VI(B),
                                           L.P.

Address of Joint Filer:                    c/o American Securities LLC
                                           299 Park Ave, 34th Floor
                                           New York, NY 10171

Relationship of Joint Filer to Issuer:     10% Owner

Issuer Name and Ticker or Trading Symbol:  Metaldyne Performance Group Inc.
                                           [MPG]

Date of Event Requiring Statement:
(Month/Day/Year):                          4/6/2017

Designated Filer:                          ASP MD Investco LP


Name of Joint Filer:                       American Securities Partners VI(C),
                                           L.P.

Address of Joint Filer:                    c/o American Securities LLC
                                           299 Park Ave, 34th Floor
                                           New York, NY 10171

Relationship of Joint Filer to Issuer:     10% Owner

Issuer Name and Ticker or Trading Symbol:  Metaldyne Performance Group Inc.
                                           [MPG]

Date of Event Requiring Statement:
(Month/Day/Year):                          4/[ ]/2017

Designated Filer:                          ASP MD Investco LP


Name of Joint Filer:                       American Securities Partners VI(D),
                                           L.P.

Address of Joint Filer:                    c/o American Securities LLC
                                           299 Park Ave, 34th Floor
                                           New York, NY 10171

Relationship of Joint Filer to Issuer:     10% Owner

Issuer Name and Ticker or Trading Symbol:  Metaldyne Performance Group Inc.
                                           [MPG]

Date of Event Requiring Statement:
(Month/Day/Year):                          4/6/2017

Designated Filer:                          ASP MD Investco LP


Name of Joint Filer:                       American Securities Associates VI,
                                           LLC

Address of Joint Filer:                    c/o American Securities LLC
                                           299 Park Ave, 34th Floor
                                           New York, NY 10171

Relationship of Joint Filer to Issuer:     10% Owner

Issuer Name and Ticker or Trading Symbol:  Metaldyne Performance Group Inc.
                                           [MPG]

Date of Event Requiring Statement:
(Month/Day/Year):                          4/6/2017

Designated Filer:                          ASP MD Investco LP


Name of Joint Filer:                       American Securities LLC

Address of Joint Filer:                    c/o American Securities LLC
                                           299 Park Ave, 34th Floor
                                           New York, NY 10171

Relationship of Joint Filer to Issuer:     10% Owner

Issuer Name and Ticker or Trading Symbol:  Metaldyne Performance Group Inc.
                                           [MPG]

Date of Event Requiring Statement:
(Month/Day/Year):                          4/6/2017

Designated Filer:                          ASP MD Investco LP


Name of Joint Filer:                       Kevin Penn

Address of Joint Filer:                    c/o American Securities LLC
                                           299 Park Ave, 34th Floor
                                           New York, NY 10171

Relationship of Joint Filer to Issuer:     Director

Issuer Name and Ticker or Trading Symbol:  Metaldyne Performance Group Inc.
                                           [MPG]

Date of Event Requiring Statement:
(Month/Day/Year):                          4/6/2017

Designated Filer:                          ASP MD Investco LP


Name of Joint Filer:                       Loren Easton

Address of Joint Filer:                    c/o American Securities LLC
                                           299 Park Ave, 34th Floor
                                           New York, NY 10171

Relationship of Joint Filer to Issuer:     Director

Issuer Name and Ticker or Trading Symbol:  Metaldyne Performance Group Inc.
                                           [MPG]

Date of Event Requiring Statement:
(Month/Day/Year):                          4/6/2017

Designated Filer:                          ASP MD Investco LP


Name of Joint Filer:                       Michael G. Fisch

Address of Joint Filer:                    c/o American Securities LLC
                                           299 Park Ave, 34th Floor
                                           New York, NY 10171

Relationship of Joint Filer to Issuer:     Director

Issuer Name and Ticker or Trading Symbol:  Metaldyne Performance Group Inc.
                                           [MPG]

Date of Event Requiring Statement:
(Month/Day/Year):                          4/6/2017

Designated Filer:                          ASP MD Investco LP
</PRE>
</BODY>
</HTML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
