This is to confirm that effective Aug. 19, 2022, the company's short form base shelf prospectus dated July 13, 2022, was filed with and accepted by the TSX Venture Exchange, and filed with and receipted by the British Columbia Securities Commission. This receipt also evidences that the Ontario Securities Commission has issued a receipt for the prospectus. The prospectus has been filed under Multilateral Instrument 11-102, Passport System, in Alberta, Saskatchewan, Manitoba, New Brunswick, Nova Scotia, Prince Edward Island, and Newfoundland and Labrador. A receipt for the prospectus is deemed to be issued by the regulator in each of those jurisdictions, if the conditions of the instrument have been satisfied. The TSX Venture Exchange has also accepted the filing of the company's prospectus supplement dated Aug. 12, 2022.

The TSX Venture Exchange has been advised that closing occurred on Aug. 19, 2022, for gross proceeds of $30,686,600.

Underwriters:  TD Securities Inc., Cantor Fitzgerald Canada Corp. and Berenberg Capital Markets LLC

Offering:  8,767,600 units (each unit consisting of one common share and one-half of one common share purchase warrant)

Unit price:  $3.50 per unit

Warrant exercise price/term:  $4.50 per common share to Aug. 19, 2025, subject to acceleration

Underwriters' commissions:  an aggregate of $1,534,330 payable in cash

Overallotment option:  The company granted the underwriters an option to purchase an additional 15 per cent of the securities issued. As of today, no overallotment option has been exercised.

For further information, refer to the prospectus, the prospectus supplement, and the company's news releases dated Aug. 8, 2022, Aug. 12, 2022, and Aug. 19, 2022, which are available under the company's profile on SEDAR.