-----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, CryJZmNPbUBmVIBE9Ao+X1ExFQIcNTiwMLDjZOp/B9oD2fxFEUum7wE8jr3S3BE4 L1w4VLYGXk/MQHftRkAV7Q== 0000872825-07-000013.txt : 20070306 0000872825-07-000013.hdr.sgml : 20070306 20070306170955 ACCESSION NUMBER: 0000872825-07-000013 CONFORMED SUBMISSION TYPE: 425 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20070306 DATE AS OF CHANGE: 20070306 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: AMERICAN CENTURY WORLD MUTUAL FUNDS INC CENTRAL INDEX KEY: 0000872825 IRS NUMBER: 431567889 STATE OF INCORPORATION: MD FISCAL YEAR END: 1130 FILING VALUES: FORM TYPE: 425 SEC ACT: 1934 Act SEC FILE NUMBER: 811-06247 FILM NUMBER: 07675561 BUSINESS ADDRESS: STREET 1: 4500 MAIN STREET CITY: KANSAS CITY STATE: MO ZIP: 64111 BUSINESS PHONE: 816-531-5575 MAIL ADDRESS: STREET 1: 4500 MAIN STREET CITY: KANSAS CITY STATE: MO ZIP: 64111 FORMER COMPANY: FORMER CONFORMED NAME: TWENTIETH CENTURY WORLD INVESTORS INC DATE OF NAME CHANGE: 19920703 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: AMERICAN CENTURY WORLD MUTUAL FUNDS INC CENTRAL INDEX KEY: 0000872825 IRS NUMBER: 431567889 STATE OF INCORPORATION: MD FISCAL YEAR END: 1130 FILING VALUES: FORM TYPE: 425 BUSINESS ADDRESS: STREET 1: 4500 MAIN STREET CITY: KANSAS CITY STATE: MO ZIP: 64111 BUSINESS PHONE: 816-531-5575 MAIL ADDRESS: STREET 1: 4500 MAIN STREET CITY: KANSAS CITY STATE: MO ZIP: 64111 FORMER COMPANY: FORMER CONFORMED NAME: TWENTIETH CENTURY WORLD INVESTORS INC DATE OF NAME CHANGE: 19920703 CENTRAL INDEX KEY: 0000872825 S000006603 GLOBAL GROWTH FUND C000018028 A CLASS ACWAX CENTRAL INDEX KEY: 0000872825 S000006603 GLOBAL GROWTH FUND C000018026 ADVISOR CLASS AGGRX CENTRAL INDEX KEY: 0000872825 S000006605 INTERNATIONAL GROWTH FUND C000018038 A CLASS CAIGX CENTRAL INDEX KEY: 0000872825 S000006605 INTERNATIONAL GROWTH FUND C000018036 ADVISOR CLASS TWGAX CENTRAL INDEX KEY: 0000872825 S000006608 LIFE SCIENCES FUND C000018045 INVESTOR CLASS ALSIX CENTRAL INDEX KEY: 0000872825 S000006608 LIFE SCIENCES FUND C000018046 ADVISOR CLASS ALSVX C000018048 C CLASS ALFSX CENTRAL INDEX KEY: 0000872825 S000006609 TECHNOLOGY FUND C000018049 INVESTOR CLASS ATCIX CENTRAL INDEX KEY: 0000872825 S000006609 TECHNOLOGY FUND C000018050 ADVISOR CLASS ATADX 425 1 mar62007-425.htm 425 425 

                            FILED BY:  AMERICAN CENTURY WORLD MUTUAL FUNDS, INC.
                                                  PURSUANT TO RULE 425 UNDER THE
                                              SECURITIES ACT OF 1933, AS AMENDED

                     SUBJECT COMPANY:  AMERICAN CENTURY WORLD MUTUAL FUNDS, INC.
                                       SEC REGISTRATION STATEMENT NO. 333-140910





                          AMERICAN CENTURY INVESTMENTS
                                4500 MAIN STREET
                           KANSAS CITY, MISSOURI 64111


March 6, 2007

Securities and Exchange Commission
100 F Street, N.E.
Washington, DC 20549

RE:  American Century World Mutual Funds, Inc. (the "Registrant")
         1933 Act File No. 333-140910

Ladies and Gentlemen:


     We are filing  this notice to correct our  inadvertent  filing  pursuant to
Rule 425 under the  Securities  Act of 1933,  as amended,  submitted on March 5,
2007 with accession  number  0000872825-07-000011.  The filing was submitted in
error and should be disregarded.

     Should you have any  questions or concerns  regarding  this filing,  please
contact the undersigned at (816) 340-3224.

Sincerely,

/s/ Christine J. Crossley
- ----------------------------------------
Christine J. Crossley
Corporate Counsel
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