497 1 d415663d497.htm ING MUTUAL FUNDS ING Mutual Funds


October 2, 2012


U.S. Securities and Exchange Commission

100 F St. N.E.

Washington, D.C. 20549


RE:   ING Mutual Funds

  (File Nos. 33-56094; 811-7428)

Ladies and Gentlemen:

On behalf of ING Mutual Funds 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 September 12, 2012, to the Class A, Class B, Class C, Class I, Class O, and Class W Prospectus for ING Greater China Fund dated February 29, 2012.

The purpose of the filing is to submit the 497(e) filing dated September 12, 2012 in XBRL for the ING Greater China Fund.

If you have any questions concerning the attached filing, please contact Jay Stamper at (480) 477-2660 or the undersigned at (480) 477-2649.




 /s/: Paul A. Caldarelli

Paul A. Caldarelli  
Vice President and Senior Counsel
ING Investment Management – ING Funds





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Tel: 480-477-3000

Fax: 480-477-2700