May 9, 2013 Securities & Exchange Commission 450 Fifth Street, NW Washington, DC 20549 Attn.: Document Control RE: American Depositary Shares evidenced by One 1 American Depositary Receipts representing fifty 50 Ordinary Shares of Padang Resources Limited Form F-6 File No. 333-183741 Ladies and Gentlemen: Pursuant to Rule 424b3 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 the change in ratio for Can- Fite Biopharma Ltd. As required by Rule 424e, 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 revised ratio change for Can-Fite Biopharma Ltd. The Prospectus has been revised to reflect the new ratio, and has been overstamped with: Effective May 13, 2013 the Companys ratio changed to Each American Depositary Share represents two (2) deposited Shares. Please contact me with any questions or comments at 212 815- 3503 Slawek Soltowski The Bank of New York Mellon - ADR Division Encl. CC: Paul Dudek, Esq. (Office of International Corporate Finance) 101 Barclay Street, 22nd Floor New York, NY 10286