-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, SlyZinOUYz7rI7rf3g/ba1Zi9i5ALXnrdSyORDk1WoygJQ5dO0XzKk0J4h7HxSm6 b3ueR5GzfftvWVIDeG70cA== 0001137439-08-000286.txt : 20080605 0001137439-08-000286.hdr.sgml : 20080605 20080605120735 ACCESSION NUMBER: 0001137439-08-000286 CONFORMED SUBMISSION TYPE: 497 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20080605 DATE AS OF CHANGE: 20080605 EFFECTIVENESS DATE: 20080605 FILER: COMPANY DATA: COMPANY CONFORMED NAME: NATIONWIDE MUTUAL FUNDS CENTRAL INDEX KEY: 0001048702 IRS NUMBER: 000000000 STATE OF INCORPORATION: OH FISCAL YEAR END: 1031 FILING VALUES: FORM TYPE: 497 SEC ACT: 1933 Act SEC FILE NUMBER: 333-40455 FILM NUMBER: 08882387 BUSINESS ADDRESS: STREET 1: RIVER PARK 2 STREET 2: 1200 RIVER ROAD CITY: CONSHOHOCKEN STATE: PA ZIP: 19428 BUSINESS PHONE: 4845301300 MAIL ADDRESS: STREET 1: RIVER PARK 2 STREET 2: 1200 RIVER ROAD CITY: CONSHOHOCKEN STATE: PA ZIP: 19428 FORMER COMPANY: FORMER CONFORMED NAME: GARTMORE MUTUAL FUNDS DATE OF NAME CHANGE: 20020125 FORMER COMPANY: FORMER CONFORMED NAME: NATIONWIDE MUTUAL FUNDS DATE OF NAME CHANGE: 19991015 FORMER COMPANY: FORMER CONFORMED NAME: NATIONWIDE INVESTING FOUNDATION III DATE OF NAME CHANGE: 19971029 0001048702 S000004999 Nationwide S&P 500 Index Fund C000013565 Class A GRMAX C000013566 Class B GRMBX C000013567 Class C GRMCX C000013568 Institutional Class GRMIX C000013569 Service Class GRMSX C000013570 Institutional Service Class GRISX C000013571 Local Fund Shares GRMLX C000033118 Class R 497 1 nmfsupp.htm 
                             NATIONWIDE MUTUAL FUNDS
                           Nationwide Bond Index Fund
                       Nationwide International Index Fund
                      Nationwide Mid Cap Market Index Fund
                          Nationwide S&P 500 Index Fund
                         Nationwide Small Cap Index Fund



                          Supplement Dated June 5, 2008
       to the Prospectus Dated February 28, 2008 (as revised May 5, 2008)

     Capitalized  terms and certain other terms used in this supplement,  unless
     otherwise defined in this supplement, have the meanings assigned to them in
     the Prospectus.

     1.   On page 19 of the  Prospectus,  Average  Annual  Total  Returns  as of
          December 31, 2007 for Class R shares - Before Taxes of the  Nationwide
          S&P 500 Index Fund is restated as follows:

 --------------------------------- ------  ----------------  -------------------
                                   1 Year      5 Years          Since Inception
                                                              (July 24, 1998)
 --------------------------------- ------  ----------------  -------------------

  Class R shares - Before Taxes(5)  4.78%      12.23%               3.87%
 --------------------------------- ------ ----------------   -------------------



                INVESTORS SHOULD RETAIN THIS SUPPLEMENT WITH THE
                         PROSPECTUS FOR FUTURE REFERENCE



PS-IDX-1  6/08
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