SEC File No. 333-61831
                                                   Filed Pursuant to Rule 497(h)

                              PROSPECTUS SUPPLEMENT
                     (TO PROSPECTUS DATED OCTOBER 21, 2002)

                              ING PRIME RATE TRUST

                     7,285.124 SHARES OF BENEFICIAL INTEREST

                                -----------------

     During the period of May 16, 2003 through May 19, 2003, ING Prime Rate
Trust (the "Trust") sold 7,285.124shares of beneficial interest of the Trust
through the Trust's Shareholder Investment Program pursuant to a Distribution
Agreement with ING Funds Distributor, LLC ("IFD") at a sales price of $6.86 per
share.

     Gross Proceeds........................................    $ 49,975.94
     Commission to IFD.....................................    $      0.00
     Net Proceeds to Trust.................................    $ 49,975.94

On May 15, 2003, the last day of the corresponding pricing period, the last
reported sales price of the Shares on the NYSE was $6.88.

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 May 22, 2003.