J.P. MORGAN FLEMING MUTUAL FUND GROUP, INC

270 PARK AVENUE

NEW YORK, NEW YORK 10017

December 7, 2018

VIA EDGAR

Securities and Exchange Commission

100 F Street, N.E.

Washington, DC 20549

Attention: Filing Desk

RE: J.P. Morgan Fleming Mutual Fund Group Inc. (the “Trust”)

on behalf of the JPMorgan Mid Cap Value Fund – Class R2,

Class R3, Class R4, Class R5 and Class R6 Shares (the “Fund”)

File Nos. 333-25803 and 811-08189

Ladies and Gentlemen:

On behalf of the Trust, we hereby submit for filing pursuant to Rule 497 under the Securities Act of 1933 and under the Investment Company Act of 1940, exhibits containing interactive data format risk/return summary information for the Class R2, Class R3, Class R4, Class R5 and Class R6 Shares of the Fund. These exhibits contain the risk/return summary information in the prospectus for the Fund dated November 1, 2018, as supplemented. The purpose of this filing is to submit the XBRL information from the 497 filing dated December 3, 2018.

Please contact the undersigned at 212-648-0152 if you have any questions concerning this filing.

Very truly yours,

/s/ Anthony Geron

Anthony Geron

Assistant Secretary

Exhibit Index

Exhibit Number	Description
EX-101.INS	XBRL Instance Document
EX-101.SCH	XBRL Taxonomy Extension Schema Document
EX-101.CAL	XBRL Taxonomy Extension Calculation Linkbase
EX-101.DEF	XBRL Taxonomy Extension Definition Linkbase
EX-101.LAB	XBRL Taxonomy Extension Labels Linkbase
EX-101.PRE	XBRL Taxonomy Extension Presentation Linkbase