SNC-LAVALIN ANNOUNCES ITS OWNERSHIP OF SHARES IN VALENER INC.

MONTREAL, Oct. 1, 2010 /CNW Telbec/ - SNC-Lavalin Group Inc. announced today that, as a result of the recently completed corporate reorganization of Gaz Métro Limited Partnership which created Valener Inc. ("Valener"), it beneficially owns 3,516,453 common shares of Valener. This represents approximately 10.07% of the issued and outstanding shares of Valener. SNC-Lavalin will file an "Early Warning Report" with Canadian Securities Administrators shortly which will be available 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 over 35 other countries around the world, and is currently working in some 100 countries. www.snclavalin.com.

For further information: Media: Leslie Quinton, Vice-President, Global Corporate Communications, SNC-Lavalin Group Inc., 514-393-8000, ext. 7354, [email protected]; Investors: Denis Jasmin, Vice-President, Investor Relations, SNC-Lavalin Group Inc., 514-393-8000, ext. 7553, [email protected]