THE HARTFORD MUTUAL FUNDS, INC.

On behalf of The Hartford Capital Appreciation Fund, Hartford Core Equity Fund, The Hartford Dividend and Growth Fund, The Hartford Equity Income Fund, The Hartford Healthcare Fund, The Hartford MidCap Fund, The Hartford MidCap Value Fund, Hartford Small Cap Core Fund and The Hartford Small Company Fund (each a “Fund” and collectively, the “Funds”), each a series of The Hartford Mutual Funds, Inc., and pursuant to Rule 497(e) under the Securities Act of 1933, as amended (“Securities Act”), attached for filing are exhibits containing information in interactive data format, which relate to the prospectus supplement for the Funds dated September 11, 2018.  The prospectus supplement was filed with the U.S. Securities and Exchange Commission on September 11, 2018 pursuant to Rule 497(e) under the Securities Act (Accession No. 0001144204-18-048991) and are incorporated by reference into this filing.

EXHIBIT INDEX

Exhibit No.

EX-101.INS	XBRL Instance Document
EX-101.SCH	XBRL Taxonomy Extension Schema Document
EX-101.DEF	XBRL Taxonomy Extension Definition Linkbase Document
EX-101.LAB	XBRL Taxonomy Extension Labels Linkbase Document
EX-101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document