[ING FUNDS LOGO] July 5, 2006 VIA EDGAR --------- U.S. Securities and Exchange Commission 100 F Street, NE Washington, D.C. 20549 RE: ING PRIME RATE TRUST (SEC File Nos. 333-61831, 811-05410) (SEC File Nos. 333-68239, 811-05410) Dear Sir or Madam: Please be advised that in lieu of filing a copy of a form of the ING Prime Rate Trust prospectuses and statement of additional information under Rule 497(c) under the Securities Act of 1933, as amended (the "Act"), we hereby certify the following pursuant to Rule 497(j) under the Act: (1) that the form of the prospectuses and statement of additional information that would have been filed under Rule 497(c) of the 1933 Act would not have differed from that contained in the above-referenced registration statement on Form N-2 (the "Registration Statement") filed on June 30, 2006; and (2) that the text of the Registration Statement was filed electronically with the Securities and Exchange Commission. Should you have any questions, please contact the undersigned at (480) 477.2649 Sincerely, /s/ Paul A. Caldarelli ---------------------- Paul A. Caldarelli Counsel ING U.S. Legal Services Attachment cc: Jeffrey S. Puretz Dechert LLP 7337 E. Doubletree Ranch Rd. Tel: 480-477-3000 ING Investments, LLC Scottsdale, AZ 85258-2034 Fax: 480-477-2700 www.ingfunds.com