497 1 maingate_497e-xbrl.htm SUPPLEMENTARY MATERIALS FOR XBRL

Filed Pursuant to Rule 497(e)
1933 Act File No. 333-170422
1940 Act File No. 811-22492


MAINGATE TRUST

On behalf of the MainGate MLP Fund, a series of MainGate Trust (the “Trust”) and pursuant to Rule 497(e) under the Securities Act of 1933, as amended, attached for filing are exhibits containing interactive data format risk/return summary information that mirrors the risk/return summary information in a supplement dated January 29, 2019, to the Prospectus dated March 31, 2018 for MainGate Trust, which was filed pursuant to Rule 497(e) on January 29, 2019.  The purpose of this filing is to submit the 497(e) filing dated January 29, 2019 in XBRL for the MainGate MLP Fund.
 
The XBRL exhibits attached hereto consist of the following:
 
Exhibit
Exhibit No.
Instance Document
EX-101.INS
Schema Document
EX-101.SCH
Calculation Linkbase Document
EX-101.CAL
Definition Linkbase Document
EX-101.DEF
Label Linkbase Document
EX-101.LAB
Presentation Linkbase Document
EX-101.PRE