MONTREAL, Oct. 2, 2013 /CNW Telbec/ – The Caisse de depôt et placement
du Qu bec (the “Caisse“) announced that it has acquired on the Toronto Stock Exchange 445,000
common shares of SNC-Lavalin Group Inc. (“SNC“) (TSX: SNC) representing 0.29% of SNC’s outstanding common shares, at
an average price of CA$44.44 per share.

Prior to this transaction, the Caisse held 15,017,100 common shares of
SNC.

Following this transaction, the Caisse now holds 15,462,100 common
shares of SNC, representing 10.20% of such shares outstanding.

The Caisse may increase or decrease its interest in SNC based on market
conditions or other relevant factors.

This news release is issued in accordance with the early warning
requirements stipulated by securities regulation, which require that
investors, including the Caisse, issue and file a news release and a
report, when they acquire beneficial ownership of securities with
voting rights that would represent, with the securities they already
hold, 10% or more of the outstanding shares of the class.

In accordance with the Early Warning System, a copy of this news release
and the report will be filed with the applicable Canadian Securities
Administrators and will be available on SEDAR’s website (www.sedar.com) and from the person referred to below.

SOURCE Caisse de d pôt et placement du Qu bec