April 1, 2015 SECURITIES EXCHANGE COMMISSION 450 Fifth Street, NW Washington, DC 20549 Attn. Document Control RE	American Depositary Shares evidenced by the American Depositary Receipts of KDDI Corporation Form F6 File No 333154164 Ladies and Gentlemen Pursuant to Rule 424b3 under the Securities Act of 1933, as amended, on behalf of The Bank of New York Mellon, as Depositary for securities against which American Depositary Receipts ADRs are to be issued, we attach a copy of the new prospectus Prospectus reflecting the change in ratio from 4 ADSs 1 Common Shares to 2 ADSs 1 Common Share. As required by Rule 424e, the upper right hand corner of the Prospectus cover page has a reference to Rule 424b3 and to the file number of the registration statement to which the Prospectus relates. Pursuant to Section III B of the General Instructions to the Form F6 Registration Statement, the Prospectus consists of the ADR certificate with the revised ratio. The Prospectus has been revised to reflect the new ratio as follows One 1 American Depositary Share represents OneHalf 12 of One Share. Please contact me with any questions or comments at 212 8152301. Paul Brophy Senior Associate The Bank of New York Mellon ADR Division Encl. CC Paul Dudek, Esq. Office of International Corporate Finance Depositary Receipts