Montreal, May 2, 2018. Niobay Metals Inc. (“NioBay” or the “Company”) (TSX-V: NBY) is pleased to announce the appointment of Ms. Dawn Madahbee Leach to the Board of Directors of the Company.

Dawn Madahbee Leach, General Manager of Waubetek Business Development Corporation since 1988, graduated from the University of Waterloo’s Economic Development Program and holds a degree in Political Science and Law from York and Laurentian Universities. Ms. Madahbee Leach has background experience in program development and management in the public sector, gained her business experience through operating a small retail outlet in her home community of Aundeck Omni Kaning First Nation for 12 years and through private consulting with First Nation communities. She currently serves on the boards of Peace Hills Trust, the Northern Policy Institute and is the ViceChair of the National Indigenous Economic Development Board. She also served on the boards of the North-East Local Health Integration Network, the Ontario Development Corporation and Innovations Ontario and was the former Chairperson of the Northern Ontario Development Corporation. She also participates on several Federal and Provincial economic advisory committees.

“We are delighted that Dawn is joining the Board of Niobay, bringing new skills, ideas and experience with First Nations to the Board”, said Claude Dufresne, President and CEO of Niobay.

With this appointment, the Board of Niobay is now composed of six directors namely, Jacques Bonneau, JeanSébastien David, Claude Dufresne, Raymond Legault, Serge Savard and Dawn Madahbee Leach.

The Company also announces that it has approved the grant of an option to the new director to acquire 150,000 common shares of the Company pursuant to the Company’s stock option plan. The options are exercisable for a period of five years at an exercise price of $0.25 and will be vesting over a period of two years.

The appointment of Ms. Dawn Madahbee Leach as well as the grant of stock options are subject to regulatory approval.

About NioBay Metals Inc.

NioBay Metals Inc. is a mining exploration company holding a 100% interest in the James Bay Niobium property in Ontario, Canada. In addition, NioBay holds an option to acquire an interest of up to 65% in the La Peltrie gold project in northern Quebec, a 49% direct participation in certain mineral titles located in the Chibougamau region, Quebec, under a joint venture agreement with SOQUEM, and a 72.5% interest in the Crevier niobium and tantalum project, located in Quebec.

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.

For more information, contact:

Claude Dufresne,

P.Eng. President & CEO NioBay Metals Inc.

Tel.: 514 866-6500, Ext. 2221

Email: cdufresne@niobaymetals.com

Website: www.niobaymetals.com