Calgary, Alberta, February 1, 2006

CGI Group Inc. (CGI) today announced the acquisition of Pangaea Systems Inc.
(Pangaea) an information technology services company based in Calgary, Alberta.
Further to this acquisition, in Western Canada CGI now employs over 1,200
professionals. The transaction is expected to close by the end of February 2006.

With offices in Calgary, Edmonton, Vancouver and Victoria, Pangaea is a
privately-held company. Founded in 1993, Pangaea employs over a 100
professionals, with over half located in British Columbia, serving clients
mostly in the public sector, both provincial and federal, as well as in the
sectors of energy and financial services. The company specializes in systems
development particularly the development of Internet-based solutions and related
services.

“Our companies fit well together on all levels, particularly
on our keen focus on quality,” said Bill Arnett, chief executive officer of
Pangaea. “Together we are stronger and are able to bid on bigger contracts
providing a full range of IT services to our customers. In joining CGI, our
professionals will be able to contribute to and benefit from being a part of
Canada’s largest IT services company.”

Terry Johnson, senior
vice-president, Western Canada for CGI added: “We are expanding on our
commitment to grow our presence in Western Canada, particularly in British
Columbia and continue to position ourselves for new opportunities. I warmly
welcome our new team members to CGI and look forward to our continued growth.”

About CGI
Founded in 1976, CGI is the 8th largest independent
IT services company in the world. CGI and its affiliated companies employ
approximately 25,000 professionals. CGI provides end-to-end IT and business
process services to clients worldwide from offices in Canada, the United States,
Europe, Asia Pacific as well as from centers of excellence in the US, Europe,
India and Canada. CGI’s annual revenue is currently CDN$3.6 billion (US$3.1
billion) and at December 31, 2005, CGI’s order backlog was CDN$14.0 billion
(US$12.0 billion). CGI’s shares are listed on the TSX (GIB.SV.A) and the NYSE
(GIB) and are included in the S&P/TSX Composite Index as well as the
S&P/TSX Capped Information Technology and MidCap Indices. Website: www.cgi.com.

CGI Forward-
Looking Statements

All statements in this press release that do not
directly and exclusively relate to historical facts constitute “forward-looking
statements” within the meaning of that term in Section 27A of the United States
Securities Act of 1933, as amended, and Section 21E of the United States
Securities Exchange Act of 1934, as amended. These statements represent CGI
Group Inc.’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, foreign exchange and other risks identified in
the Management’s Discussion and Analysis (MD&A) in CGI Group Inc.’s 2005
Annual Report or 2005 Form 40-F filed with the SEC, the Company’s 2005 Annual
Information Form and in the Company’s MD&A for the fourth quarter of 2005
filed with the Canadian securities authorities, as well as assumptions regarding
the foregoing. The words “believe”, “estimate”, “expect”, “intend”,
“anticipate”, “foresee”, “plan”, and similar expressions and variations thereof,
identify certain of such forward-looking statements, which speak only as of the
date on which they are made. In particular, statements relating to future
performance are forward-looking statements. CGI disclaims any intention or
obligation to publicly update or revise any forward-looking statements, whether
as a result of new information, future events or otherwise. Readers are
cautioned not to place undue reliance on these forward-looking statements.

-30-

CGI:
Investor relations
Lorne Gorber

Vice-president, investor relations
Lorne.gorber@cgi.com
(514)
841-3355

Ronald White
Director, investor
relations
Ronald.white@cgi.com
(514) 841-3230

Media relations

Eileen Murphy
Director, media relations

Eileen.murphy@cgi.com
(514) 841-3430