March 28, 2014

VIA EDGAR

U.S. Securities and Exchange Commission

100 F St. N.E.

Washington, D.C. 20549

RE: ING Series Fund, Inc.

(File Nos. 33-41694; 811-06352)

Ladies and Gentlemen:

On behalf of ING Series Fund, Inc. 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 March 14, 2014 to the Prospectus dated September 30, 2013 for ING SMID Cap Equity Fund (the “Fund”). The purpose of the filing is to submit the 497(e) filing dated March 14, 2014 in XBRL for the Fund.

If you have any questions concerning the attached filing, please contact Jay Stamper at (480) 477-2660 or the undersigned at (480) 477-2650.

Regards,

/s/Paul Caldarelli

Paul Caldarelli

Vice President and Senior Counsel

ING Investment Management – ING Funds

7337 E. Doubletree Ranch Rd. Scottsdale, AZ 85258-2034 Tel: 480-477-3000 Fax: 480-477-2700 www.ingfunds.com