VANCOUVER, BRITISH COLUMBIA--(Marketwired - Jun 25, 2015) - Constantine Metal Resources Ltd. (TSX VENTURE:CEM) ("Constantine" or the "Company") is pleased to announce that it has filed its National Instrument 43-101 report entitled "NI-43-101 Technical Report and Updated Resource Estimate for the Palmer Exploration Project, Porcupine Mining District, Southeast Alaska, USA" dated June 24, 2015, on SEDAR at www.sedar.com. The updated Inferred Mineral Resource estimate was originally announced in the Company's news release dated May 11, 2015.

About the Palmer Project

Palmer is a resource expansion stage, high-grade volcanogenic massive sulphide (VMS) project that is being advanced in partnership with Dowa Metals & Mining Co., Ltd. who can earn 49% in the project by making aggregate expenditures of US$22 million over four years. The project is located in a very accessible part of coastal southeast Alaska, with road access to the edge of the property and within 60 kilometers of the year-round deep sea port of Haines. Mineralization at Palmer occurs within the same belt of rocks that is host to the Greens Creek mine, one of the world's richest VMS deposits. There are at least 25 separate base metal and/or barite occurrences and prospects on the Palmer property, indicating the potential for discovery of multiple deposits.

About the Company

Constantine is a mineral exploration company led by a proven technical team with a focus on premier North American mining environments. The company's principal asset is the Palmer copper-zinc-silver-gold VMS Project located in Alaska that is being advanced in partnership with Dowa Metals & Mining Co., Ltd. Constantine also controls a pipeline of quality gold projects in the Timmins camp Ontario and Yukon. Please visit the Company's website (www.constantinemetals.com) for more detailed company and project information.

On Behalf of Constantine Metal Resources Ltd.

Garfield MacVeigh, President

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.