Val d'Or, Quebec - Hinterland Metals Inc. (HMI: TSX-Venture) ('Hinterland') is pleased to announce that it has increased the size of its Brexit Lithium property to 111 claims (5,938 hectares) by staking an additional 71 mineral claims. The Brexit Lithium property is located in the James Bay region of Quebec approximately 40 kilometres southeast of the village of Nemaska, which is linked to Chibougamau, 300 kilometres to the south, by an all-season gravel road. Other infrastructure in the area includes numerous gravel roads, an airport, and high-voltage hydro-electric transmission lines and sub-stations all maintained by Hydro Quebec.

The Brexit Lithium property covers an 18 kilometre length of the south margin of the volcano-sedimentary Mountain Lake Belt, and is roughly 15 kilometres southeast of Nemaska Lithium Inc.'s Whabouchi hard rock lithium project, which contains measured plus indicated resources of 27,991,000 tonnes of 1.57% Li20 (Nemaska Press Release, January 15, 2014). Nemaska recently released a positive feasibility study that includes the construction of a mine and concentrator at Whabouchi, and a hydrometallurgical plant in Shawinigan, Quebec (Nemaska Press Release, June 9, 2016).

Mark Fekete, P.Geo is the designated 'qualified person' as defined in Section 1.2 in and for the purposes of National Instrument 43-101 that reviewed and approved the technical content of this release.

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. This release may contain forward-looking statements that are subject to known and unknown risks and uncertainties that could cause actual results to vary materially from targeted results. Such risks and uncertainties include those described in the Company's periodic reports including the annual report or in the filings made by the Company from time to time with securities regulators. The Company undertakes no obligation to publicly release the result of any revision of these forward-looking statements to reflect events or circumstances after the date they are made or to reflect the occurrence of an unanticipated event.