Toronto Stock Exchange Data Issue

TORONTO, Dec. 12, 2012 /CNW/ - TMX Group advises that it is currently experiencing difficulties with its TL1 data feed.  Trading on Toronto Stock Exchange is unaffected, however data on securities with symbols beginning A-L is not being disseminated on the TL1 feed.  The S&P index data has been affected.  All level 2 feeds and binary level 1 feeds are not impacted.  Technology staff are investigating.  Additional updates will be provided.

About TMX Group (TSX:X)

TMX Group's key subsidiaries operate cash and derivative markets and clearinghouses for multiple asset classes including equities, fixed income and energy. Toronto Stock Exchange, TSX Venture Exchange, TMX Select, Alpha Group, The Canadian Depository for Securities, Montreal Exchange, Canadian Derivatives Clearing Corporation, Natural Gas Exchange, Boston Options Exchange, Shorcan, Shorcan Energy Brokers, Equicom and other TMX Group companies provide listing markets, trading markets, clearing facilities, depository services, data products and other services to the global financial community.  TMX Group is headquartered in Toronto and operates offices across Canada (Montreal, Calgary and Vancouver), in key U.S. markets (New York, Houston, Boston and Chicago) as well as in London, Beijing and Sydney.  For more information about TMX Group, visit our website at www.tmx.com.  Follow TMX Group on Twitter at http://twitter.com/tmxgroup.

SOURCE Toronto Stock Exchange