December 15, 2009 SECURITIES & EXCHANGE COMMISSION 450 Fifth Street, NW Washington, DC 20549 Attn.: Document Control RE: American Depositary Shares evidenced by the American Depositary Receipts each representing One (1) Ordinary Share of Publicis Groupe SA (Form F-6 File No. 333- 12498) Ladies and Gentlemen: Pursuant to Rule 424(b)(3) under the Securities Act of 1933, as amended, on behalf of The Bank of New York, as Depositary for securities against which American Depositary Receipts are to be issued, we attach a copy of the new prospectus (Prospectus) reflecting in number of ordinary shares represented by one American Depositary Share (the Ratio). 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 revised ratio for Publicis Groupe SA The Prospectus has been revised to reflect the new ratio, and has been overstampted with: Effective December 18, 2009 the Companys American Depositary Receipt (ADR) Ratio Changed from 1:1 (One DS Representing One Ordinary Share) to 2:1 (Two DSs Representing One Ordinary Share). Please contact me with any questions or comments at 212 815-2367 Lance Miller Vice President The Bank of New York Mellon - ADR Division Encl. CC: Paul Dudek, Esq. (Office of International Corporate Finance) 101 Barclay Street, New York NY 10286