| CGI Group Inc. Successfully Acquires Star Data Systems Inc. 
 Montreal, Quebec --2001-01-23
 
 CGI Group Inc. announced today that its offer dated December 11,
 2000, as extended on January 9, 2001, to purchase all of the
 outstanding common shares of Star Data Systems Inc. (the "Offer")
 was successful with 17,533,778 common shares having been tendered
 which represents approximately 94.8% of the outstanding common
 shares of Star Data Systems Inc. The Offer expired at 10:00 p.m.
 on January 22, 2001 (Toronto time). Payment for the common shares
 deposited during the extension will be made shortly.
 
 The Offer was made to purchase all of the outstanding common
 shares of Star Data Systems Inc. Accordingly, CGI Group Inc.
 intends to acquire all of the remaining common shares which were
 not tendered to the Offer in compliance with the compulsory
 acquisition provisions of the Business Corporations Act (Ontario)
 and pursuant to which CGI will mail shortly a Notice of
 Compulsory Acquisition to each of the remaining shareholders of
 Star Data Systems Inc.
 
 About CGI Founded in 1976, CGI is the largest independent
 Canadian information technology consulting firm and the fifth
 largest in North America, based on its headcount of 10,000
 professionals. CGI's order backlog totals approximately CDN$7.0
 billion and its revenue stands at CDN$1.4 billion. CGI provides
 end-to-end IT services and business solutions to 2,500 clients in
 Canada, the United States and more than 20 countries around the
 world. CGI's shares are listed on the New York Exchange (GIB), as
 well as on the Toronto Stock Exchange (GIB.A). They are included
 in the Toronto Stock Exchange's TSE 100 index as well as the
 S&P/TSE Canadian Information Technology index. Web site:
 www.cgi.ca.
 
 All statements in this press release that do not directly and
 exclusively relate to historical facts constitute
 "forward-looking statements" within the meaning of the Private
 Securities Litigation Reform Act of 1995. These statements
 represent CGI's intentions, plans, expectations, and beliefs, and
 are subject to risks, uncertainties, and other factors, of which
 many are beyond the control of the Company. These factors could
 cause actual results to differ materially from such
 forward-looking statements.
 
 These factors include and are not restricted to the timing and
 size of contracts, acquisitions and other corporate developments,
 the ability to attract and retain qualified employees, market
 competition in the rapidly-evolving information technology
 industry, general economic and business conditions, and other
 risks identified in Management's Discussion and Analysis (MD&A)
 in CGI's annual report or Form 40F filed with the US Securities
 & Exchange Commission and the Company’s Annual Information
 Form
 filed with Canadian securities commissions. All of the risk
 factors included in these filed documents are included here by
 reference. CGI disclaims any intention or obligation to update or
 revise any forward-looking statements, whether as a result of new
 information, future events or otherwise.
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