Montreal, Quebec, April 23, 2006

The Caisse de dépôt et placement du Québec and CGI Group Inc. (CGI), today
announced the signing of a two-year information technology (IT) contract renewal
valued at CDN$50 million.

“Our goal is to be known by institutional fund
managers as a benchmark organization. To do so, we must fully optimize our
technology tools and operational efficiency to fully support our professionals.
Our long-term partnership with CGI has enabled us to obtain the tools and
services to implement our strategic IT plan,” said V.P. Pham, Executive
Vice-President, Information Technology and Investment Administration of the
Caisse de dépôt et placement du Québec.

Pierre Turcotte, senior
vice-president and general manager, Quebec with CGI added: “We are proud of the
important role we play with our clients’ evolution and expansion as they
kick-off their new strategic planning session for IT. We look forward to our
continued partnership.”

The services covered by this agreement include
infrastructure management, production services, a “one-stop service” call
centre, office technology support, maintenance of a large number of business
applications, and the development and integration of solutions. CGI will also
act as an information technology consultant, assessing and proposing optimal
solutions for the Caisse. Both companies have been collaborating for a decade
since 1996. This contract renewal will begin in September 2006 and end in August
2008.

About the Caisse de dépôt et placement du Québec
The
Caisse de dépôt et placement du Québec is a financial institution that manages
funds primarily for public and private pension and insurance plans. As at
December 31, 2005, it held CDN$122.2 billion of net assets. The leading
institutional fund manager in Canada, the Caisse invests in the main financial
markets as well as in private equity and real estate. For more information: www.lacaisse.com.

About CGI
Founded in 1976, CGI Group Inc. (“CGI”) is the 8th
largest independent information technology and business process services firm 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 of America (“US”),
Europe, Asia Pacific as well as from centers of excellence in Canada, the US,
Europe and India. CGI's annualized revenue run rate is currently CDN$3.6 billion
(US$3.1 billion) and at December 31, 2005, CGI's order backlog was CDN$12.9
billion (US$11.1 billion), or $14.0 billion (US$12 billion) including the BCE
contract extensions signed in January 2006. 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.

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 Annual Report or Form 40-F filed with the SEC,
the Company’s Annual Information Form 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 revenue from outsourcing
contracts 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.

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CGI:
Investor relations
Lorne Gorber

Vice-president, investor relations
(514) 841-3355

Media
relations

Eileen Murphy
Director, media relations
(514) 841-3430