September 18, 2013 Securities Exchange Commission 450 Fifth Street, NW Washington, DC 20549 Attn. Document Control RE	American Depositary Shares evidenced by One 1 American Depositary Receipt representing Two 2 Ordinary Shares of Phytopharm PLC Form F6 File No. 333117539 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 par value for Phytopharm PLC. 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 revised par value for Phytopharm PLC. The Prospectus has been revised to reflect the new value, and has been overstamped with Effective September 25, 2013 the par value has changed from GBP 1 to GBP 50 Please contact me with any questions or comments at 212 8156917. Susan Mayham BNY Mellon ADR Division Encl. CC Paul Dudek, Esq. Office of International Corporate Finance 2