Ms. Jessica McDonald reports

TREVALI FILES MANAGEMENT INFORMATION CIRCULAR FOR SHAREHOLDER MEETING, ANNOUNCES NOMINATION OF JILL GARDINER FOR ELECTION TO THE BOARD OF DIRECTORS

Trevali Mining Corp. has filed the management information circular for the annual and special meeting of shareholders to be held on July 31, 2019, at 2 p.m. PT, at the Pinnacle Hotel Harbourfront, Port of Vancouver room, second floor, Vancouver, B.C. The notice of meeting and the accompanying circular and related materials are now available under the company's profile on SEDAR and on its website.

In connection with the meeting, the company also announced the nomination of Jill Gardiner for election to the Trevali board of directors. The nomination of Ms. Gardiner follows the appointment of Richard Williams to the board in June, 2019, filling the vacancies to be created by the retirements of Mike Hoffman and Tony Drescher from the board of directors, who will not be standing for re-election as directors at the meeting.

"We are very pleased to nominate Ms. Gardiner for election as a director at the meeting and look forward to welcoming her to Trevali's board of directors. Her experience as a seasoned board member and her strong background in finance, capital markets and corporate governance will be a significant addition to the board. Her nomination is yet another step we are taking to enhance our efforts through the next phase of Trevali's development," stated Jessica McDonald, chair of the board of directors. "At the same time, I would also like to thank Mike and Tony for their dedication, insight and support to Trevali over the past years. They have each played an important role in Trevali's development, and we wish them all the best in the future."

Ms. Gardiner is a professional corporate director and previously spent over 20 years in the investment banking industry, most recently as managing director and regional head, British Columbia, for RBC Capital Markets. In her various roles in corporate finance, mergers and acquisitions, and debt capital markets, she provided strategic advice to, and helped raise capital for, numerous corporations with a focus on the power, pipeline, infrastructure, forest products and diversified industries. Ms. Gardiner is currently on the board of Capital Power Corp. and previously served as the chair of the board of directors of Turquoise Hill Resources Ltd. and as a director of Capstone Mining Corp., Parkbridge Lifestyle Communities Inc., SilverBirch Hotels & Resorts and Timber Investments Ltd. She was also formerly senior project manager at the Ontario Energy Board and a lecturer at the University of Victoria in corporate finance and human resource management. Ms. Gardiner holds a bachelor of science and a master of business administration, both from Queen's University.

About Trevali Mining Corp.

Trevali is a global base-metal mining company with four mines: the 90-per-cent-owned Perkoa mine in Burkina Faso, the 90-per-cent-owned Rosh Pinah mine in Namibia, the wholly owned Caribou mine in the Bathurst mining camp of northern New Brunswick in Canada and the wholly owned Santander mine in Peru.