SEC File No. 333-61831 Filed Pursuant to Rule 497(h) PROSPECTUS SUPPLEMENT (to Prospectus dated July 1, 2004, as supplemented August 4, 2004) ING PRIME RATE TRUST 1,340,482.000 Shares Of Beneficial Interest On February 25, 2005, ING Prime Rate Trust (the "Trust") sold 1,340,482.000 shares of beneficial interest of the Trust through a privately negotiated transaction pursuant to a Distribution Agreement with ING Funds Distributor, LLC at a sales price of $7.460 per share. Gross Proceeds .............................. $9,999,995.72 Commission .................................. $ 0.00 Net Proceeds to Trust........................ $9,999,995.72 On February 24, 2005, the last day of the corresponding pricing period, the last reported sales price of the Shares on the NYSE was $7.60. THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION PASSED UPON THE ACCURACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE. --------------------------------------- The date of this Prospectus Supplement is March 2, 2005.