Mainstream Minerals Corporation announced the appointment of Lisa McCormack as Corporate Secretary of the company subject to TSX Venture Exchange approval. Ms. McCormack is a seasoned professional law clerk, specializing in securities and corporate law. She is currently Corporate Secretary of several public companies including Trelawney Mining and Exploration Inc. Ms. McCormack has over 15 years of experience working for various securities and corporate finance law firms in Toronto and assisting public issuers within the mining industry.