Gastem is an independent oil and gas exploration company based in Montreal, Canada. The company holds exploration and storage rights to 313,524 hectares (757,788 acres) of land in the St. Lawrence Lowlands and the Gaspe Peninsula in Quebec and has participated in earn-in projects in Alberta. The company is also currently researching oil and gas projects elsewhere in North America in addition to its core interest in Quebec. The main objective of the company is to maximize shareholder return through exploration programs and development.