| CGI Group Inc. has extended its successful offer to purchase all the outstanding common shares of Star Data Systems Inc. to January 22, 2001 
 Montreal, January 9, 2001 --
 
 CGI Group Inc. and Star Data Systems Inc. jointly announced today
 that CGI's offer, dated December 11, 2000 (the "Offer") to
 purchase all of the outstanding Star Data common shares on the
 basis of 0.737 Class A Subordinate Share of CGI for each Star
 Data common share, has been successful with all the conditions of
 its Offer having been satisfied. CGI will take up and pay for the
 14,687,158 Star Data common shares tendered to date, representing
 approximately 81% of the outstanding Star Data common shares on
 a fully-diluted basis.
 
 CGI also announced today that its Offer has been extended from
 5:00 p.m. (Eastern standard time) on January 9, 2001 to 10:00
 p.m. (Eastern standard time) on January 22, 2001. The extension
 of the Offer will provide shareholders of Star Data who were
 unable to tender prior to the original expiry time the
 opportunity to do so and benefit from the Offer. A notice of
 extension will be mailed shortly to shareholders of Star Data and
 filed with securities regulators.
 
 About Star Data
 Star Data provides information services and wealth management
 solutions to the financial services industry. Star Data is based
 in Toronto, with offices in Vancouver, Calgary, Winnipeg, London,
 Markham, Montreal, Halifax and London, UK. The company employs
 more than 400 people and is listed on the Toronto Stock Exchange
 under the symbol STY. For more information on the company's
 products, services and investor relations' activities visit
 www.stardata.com.
 
 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 close to 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, 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.
 |