The Caisse de dépôt et placement du Québec acquires common shares of SNC-Lavalin Group Inc.

The Caisse de depôt et placement du Québec (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.