SNC-Lavalin announces closing of issue of debentures

/NOT FOR DISSEMINATION IN THE UNITED STATES OR FOR DISTRIBUTION TO U.S.
    NEWSWIRE SERVICES/MONTREAL, July 3, 2009 /CNW Telbec/ - SNC-Lavalin Group Inc. announces
that it has completed its offering of aggregate principal amount of $350
million of 6.19% debentures due July 3, 2019.
    The debentures were issued through a syndicate of agents led by RBC
Dominion Securities Inc.
    The securities offered have not been and will not be registered under the
U.S. Securities Act of 1933, as amended, and may not be offered or sold in the
United States absent registration or an applicable exemption from the
registration requirements. This press release shall not constitute an offer to
sell or the solicitation of an offer to buy nor shall there be any sale of the
securities in any State in which such offer, solicitation or sale would be
unlawful. The final short form prospectus is available on SEDAR at
www.sedar.com.

    SNC-Lavalin (TSX: SNC) is one of the leading engineering and construction
groups in the world and a major player in the ownership of infrastructure, and
in the provision of operations and maintenance services. SNC-Lavalin has
offices across Canada and in 35 other countries around the world, and is
currently working in some 100 countries. www.snclavalin.com.-------------------------------------------------------------------------
    Reference in this press release, and hereafter, to the "Corporation" or
    to "SNC-Lavalin" means, as the context may require, SNC-Lavalin Group
    Inc. and all or some of its subsidiaries or joint ventures, or SNC-
    Lavalin Group Inc. or one or more of its subsidiaries or joint ventures.
    Statements made in this press release that describe the Corporation's or
    management's budgets, estimates, expectations, forecasts, objectives,
    predictions or projections of the future may be "forward-looking
    statements", which can be identified by the use of the conditional or
    forward-looking terminology such as "anticipates", "believes",
    "estimates", "expects", "may", "plans", "projects", "should", "will", or
    the negative thereof or other variations thereon. The Corporation
    cautions that, by their nature, forward-looking statements involve risks
    and uncertainties, and that its actual actions and/or results could
    differ materially from those expressed or implied in such forward-looking
    statements, or could affect the extent to which a particular projection
    materializes. For more information on risks and uncertainties, and
    assumptions that would cause the Corporation's actual results to differ
    from current expectations, please refer to the section "Risks and
    Uncertainties" and the section "How We Budget and Forecast Our Results
    and Basis for Providing Financial Guidance", respectively, in the
    Corporation's Annual Report under "Management's Discussion and Analysis",
    and under the section "Caution regarding forward-looking statements" of
    the Corporation's most recent Annual Information Form filed with the
    securities regulatory authorities in Canada, available at SEDAR
    (www.sedar.com). Unless otherwise mentioned, the forward-looking
    statements herein reflect the Corporation's expectations as of the date
    of this press release and are subject to change after this date.
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For further information: Investors: Denis Jasmin, Vice-President,
Investor Relations, [phone], ext. 7553, [e-mail];
Media: Gillian MacCormack, Vice-President, Global Public Relations, (514)
393-8000, ext. 7354, [e-mail]; SNC-Lavalin press
releases are available on its website at www.snclavalin.com