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

                                                           22 DECEMBER 2004


                           WPP GROUP PLC ("WPP")

                       GREY GLOBAL GROUP INC ("GREY")

In connection with the proposed acquisition of Grey by WPP, Amendment No. 1
to Registration  Statement on Form F-4 was filed by WPP with the Securities
and Exchange Commission ("SEC") in Washington DC on 21 December 2004.

Shareholders  should  be aware  that  the  Registration  Statement  and the
Preliminary Proxy  Statement/Prospectus  contained therein, as amended, are
subject to changes, deletions or additions which may or may not be material
in  nature.  No  reliance  should  therefore  be placed on the  information
contained in the Registration Statement, as amended.

Copies of this  Registration  Statement 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 December 21,
2004,  Amendment no. 1 to Registration  Statement on Form F-4 (SEC File No.
333-119949),  containing a preliminary 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  PRELIMINARY  PROXY  STATEMENT/PROSPECTUS
RELATING TO THE PROPOSED MERGER, WHICH IS AVAILABLE NOW, AND THE DEFINITIVE
PROXY STATEMENT/PROSPECTUS RELATING TO THE PROPOSED MERGER, WHEN IT BECOMES
AVAILABLE, 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  the   preliminary   proxy
statement/prospectus  relating to the proposed  merger,  which is available
now,  and will be included  in the  definitive  proxy  statement/prospectus
relating to the proposed merger and the other relevant documents filed with
the SEC.