TSX Venture Exchange Announces the 2013 TSX Venture 50® February 13, 2013 (TORONTO) – TSX Venture Exchange today announced the 2013 TSX Venture 50. The TSX Venture 50 is a group of strong performing companies from the five following sectors: Clean Technology, Diversified Industries, Mining, Oil & Gas and Technology and Life Sciences. “TSX Venture Exchange operates a platform that provides emerging companies with the opportunity to access the capital they need to meet their growth objectives,” said John McCoach, President, TSX Venture Exchange. “We are pleased to present the latest group of companies that have excelled in their sectors.” The 2013 TSX Venture 50 was determined based on equal weighting of the following measures: market capitalization growth, share price appreciation, trading volume and analyst coverage. The top ranked company across all sectors is: Africa Oil Corp. (AOI), a Vancouver- based oil and gas exploration company. The top performing companies from each industry sector are: Clean Technology OPEL Technologies Inc. (OPL) Diversified Industries Loyalist Group Limited (LOY) Mining Zenyatta Ventures Ltd. (ZEN) Oil & Gas Africa Oil Corp. (AOI) Technology & Life Sciences iCo Therapeutics Inc. (ICO) The 2013 TSX Venture 50 are: Clean Technology: Diversified Industries: OPEL Technologies Inc. (OPL) Loyalist Group Limited (LOY) Natcore Technology Inc. (NXT) ENTREC Corporation (ENT) Western Wind Energy Corp. (WND) Northwest International Healthcare Properties REIT (MOB.UN) Innovente Inc. (IGE) Macro Enterprises Inc. (MCR) Questor Technology Inc. (QST) Raise Production Inc. (RPC) West Mountain Capital Corp. (WMT) RIFCO Inc. (RFC) EnWave Corporation (ENW) Franchise Services of North America Inc. (FSN) ACT Aurora Control Technologies Corp. (ACU) DEQ Systems Corp. (DEQ) Crailar Technologies Inc. (CL) Sylogist Ltd. (SYZ) Zenn Motor Company Inc. (ZNN) Mosaic Capital Corporation (M) Mining: Oil & Gas: Zenyatta Ventures Ltd. (ZEN) Africa Oil Corp. (AOI) Argex Titanium Inc. (RGX) Petroamerica Oil Corp. (PTA) Unigold Inc. (UGD) Iona Energy Inc. (INA) Reservoir Minerals Inc. (RMC) Donnycreek Energy Inc. (DCK) Athabasca Minerals Inc. (ABM) Mart Resources Inc. (MMT) Tinka Resources Limited (TK) WesternZagros Resources Ltd. (WZR) Gold Standard Ventures Corp. (GSV) Manitok Energy Inc. (MEI) Discovery Ventures Inc. (DVN) Lynden Energy Corp. (LVL) Northern Gold Mining Inc. (NGM) Edge Resources Inc. (EDE) Woulfe Mining Corp. (WOF) Eaglewood Energy Inc. (EWD) Technology & Life Sciences: iCo Therapeutics Inc. (ICO) Amaya Gaming Group Inc. (AYA) Symbility Solutions Inc. (SY) biOasis Technologies Inc. (BTI) Medifocus Inc. (MFS) Calyx Bio-Ventures Inc. (CYX) BioSyent Inc. (RX) Ergoresearch Ltd. (ERG) Acasti Pharma Inc. (APO) iSign Media Solutions Inc. (ISD) The 2,258 companies listed on TSX Venture Exchange as of December 31, 2012, were screened through the following filters to determine which companies would qualify as potential 2013 TSX Venture 50 candidates: listed on TSX Venture Exchange more than one year as of December 31, 2012 listed on TSX Venture Exchange on December 31, 2012; market capitalization greater than C$5 million on December 31, 2012 closing share price greater than C$0.25 on December 31, 2012 share price of at least C$0.10 on December 31, 2011 This is not an invitation to purchase securities listed on TSX Venture Exchange. TMX Group and its affiliates do not endorse or recommend any of the referenced securities or investment advisors. Please seek professional advice to evaluate specific securities. 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, BOX 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. For more information please contact: Aimee Paget Communications Specialist TMX Group 416-947-4685 [email protected] .