Further to an at-the-market offering of shares made pursuant to a prospectus supplement dated Feb. 2, 2021, to the company's short form base shelf prospectus dated Jan. 27, 2021, filed with the securities commissions in each of the provinces of Canada, the TSX Venture Exchange has accepted for filing documentation with respect to the sales set out below under the at-the-market offering. The TSX Venture Exchange has been advised by the company that sales under the at-the-market offering during the quarter ended March 31, 2021, occurred for gross proceeds of $81,726,621 and for quarter ended June 30, 2021, occurred for gross proceeds of $9,306,469.

Agent:  Canaccord Genuity Corp.

Offering:  An aggregate of 16,363,500 common shares were issued during the quarter ended March 31, 2021, and 2,378,400 common shares were issued during the quarter ended June 30, 2021.

Offering price:  average price of $4.99 per share and $3.91 per share for each quarter, respectively

Agent's fee:  an aggregate of $2,162,919.86 (U.S.)

For further details, please refer to the company's short form base shelf prospectus dated Jan. 27, 2021, and prospectus supplement dated Feb. 2, 2021, filed on SEDAR, and news releases dated Jan. 27, 2021, Feb. 2, 2021, and Sept. 8, 2021.