FILED BY WPP GROUP PLC
                         PURSUANT TO RULE 425 UNDER THE
                             SECURITIES ACT OF 1933
                     SUBJECT COMPANY: GREY GLOBAL GROUP INC.
                         COMMISSION FILE NO.: 333-119949

                              FOR IMMEDIATE RELEASE

                                 1 FEBRUARY 2005


                              WPP Group plc ("WPP")

                         Grey Global Group Inc ("Grey")

In connection with the proposed  acquisition of Grey by WPP,  Amendment No. 3 to
Registration  Statement  on Form F-4 was  filed by WPP with the  Securities  and
Exchange  Commission  ("SEC")  in  Washington  DC on 1  February  2005.  WPP has
requested that the SEC declare the Registration  Statement effective as of 10:00
a.m. Eastern Standard Time 2 February 2005.

Copies of this  Registration  Statement,  which  includes the  Definitive  Proxy
Statement that will be mailed to Grey stockholders, are available free of charge
on the SEC website at www.sec.gov  under WPP's company  filings and as otherwise
indicted  below  under  "Investor  Information".  In  addition,  a  copy  of the
Registration  Statement has been submitted to the UK Listing  Authority and will
shortly be available for inspection at the UK Listing Authority Document Viewing
Facility which is situated at:

Financial Services Authority
25 The North Colonnade
Canary Wharf
London
E14 5HS
Tel: (0) 20 7676 1000

Contact:
Feona McEwan, WPP London        44-20 7408 2204
www.wpp.com

                              INVESTOR INFORMATION

This  communication  is being  made by WPP in  respect  of the  proposed  merger
involving WPP and Grey. This  communication  does not constitute an offer of any
securities for sale. In connection with the proposed merger,  WPP has filed with
the US Securities and Exchange  Commission (SEC) on February 1, 2005,  Amendment
no.  3 to  Registration  Statement  on  Form  F-4  (SEC  File  No.  333-119949),
containing a proxy statement/prospectus  relating to the proposed merger for the
stockholders  of Grey,  and each of WPP and  Grey has and will be  filing  other
documents regarding the proposed merger with the SEC.

INVESTORS ARE URGED TO READ THE DEFINITIVE PROXY  STATEMENT/PROSPECTUS  RELATING
TO THE  PROPOSED  MERGER  AND ANY OTHER  RELEVANT  DOCUMENTS  FILED WITH THE SEC
BECAUSE THEY CONTAIN AND WILL CONTAIN IMPORTANT INFORMATION.

Investors  may  obtain  the  documents  free  of  charge  at the  SEC's  website
(www.sec.gov).  In addition, documents filed with the SEC by WPP may be obtained
free of charge by contacting WPP at 125 Park Avenue,  New York, NY 10017, +1 212
632 2200.  Documents  filed with the SEC by Grey are available free of charge by
contacting Grey at 777 Third Avenue, New York, NY 10017, +1 212 546 2000.

Grey and its directors and executive  officers may be deemed to  participate  in
the  solicitation  of proxies in respect  of the  proposed  merger.  Information
regarding  Grey's  directors  and  executive  officers  is  available  in Grey's
definitive proxy statement  relating to its 2004 Annual Meeting of Stockholders.
This  definitive  proxy  statement was filed by Grey with the SEC on December 8,
2004.   Additional   information  regarding  the  interests  of  such  potential
participants is included in definitive  proxy  statement/prospectus  relating to
the proposed merger and the other relevant documents filed with the SEC.


                                      -2-