GRAVITY Co., Ltd. — Share Issue/Capital Change 2015

May 11, 2015

424B3 1 gravity424ltrratio.htm LETTER RE RATIO CHANGE

THE BANK OF NEW YORK MELLON

101 Barclay Street

New York, New York 10286

May 11, 2015

Securities & Exchange Commission

450 Fifth Street, NW

Washington, DC 20549

Attn.: Document Control

RE: American Depositary Shares evidenced by American Depositary Receipts for Ordinary Shares of

Gravity Co., Ltd.

(Form F-6 File No. 333-122160)

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Ladies and Gentlemen:

Pursuant to Rule 424(b)(3) under the Securities Act of 1933, as amended, on behalf of BNY Mellon, as Depositary for securities against which American Depositary Receipts are to be issued, we attach a copy of the new prospectus (“Prospectus”) reflecting a change to the form of receipt for Gravity Co., Ltd.. The change is effective May 11, 2015.

As required by Rule 424(e), the upper right hand corner of the Prospectus cover page has a reference to Rule 424(b)(3) 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 F-6 Registration Statement, the Prospectus consists of the ADR certificate with the revised ratio for Gravity Co., Ltd..

The Prospectus has been revised to reflect the new ratio as follows:

“(Each one (1) American Depositary Share represents two (2) deposited Shares)”.

Please contact me with any questions or comments at 212 815-8162.

Dennis Chung

The Bank of New York Mellon - ADR Division

Encl.

CC: Paul Dudek, Esq. (Office of International Corporate Finance)