EXHIBIT 4 - JOINT FILING AGREEMENT
Joint Filing Agreement
The undersigned hereby agree that the Statement on Schedule 13D filed
herewith (and any amendments thereto), relating to shares of Common Stock,
par value $0.01 per share, and to shares of Limited Duration Class B Common
Stock, par value $0.01 per share, of Grey Global Group Inc., is being filed
with the Securities and Exchange Commission jointly pursuant to Rule
13d-1(k)(l) under the Securities Exchange Act of 1934, as amended, on
behalf of each such person.
WPP GROUP PLC
By: /s/ Xxxx Xxxxxxxxxx
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Name: Xxxx Xxxxxxxxxx
Title: Group Finance Director
ABBEY MERGER CORPORATION
By: /s/ Xxxx Xxxxxxxxxx
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Name: Xxxx Xxxxxxxxxx
Title: President
Dated: September 21, 2004
