The company's short form base shelf prospectus dated March 13, 2019, was filed with and accepted by the TSX Venture Exchange, and filed with and receipted by the British Columbia Securities Commission, pursuant to the provisions of the Securities Act (British Columbia), and the Ontario Securities Commission, pursuant to the provisions of the Securities Act (British Columbia), on March 14, 2019. The prospectus was also filed under Multilateral Instrument 11-102, Passport System, in Alberta, Saskatchewan, Manitoba, Quebec, New Brunswick, Nova Scotia, Prince Edward Island, and Newfoundland and Labrador. A receipt for the prospectus is deemed to be issued by the regulators in each of those jurisdictions, if the conditions of the instrument have been satisfied.

Further to an at-the-market offering of shares made pursuant to a prospectus supplement dated March 27, 2019, to the company's short form base shelf prospectus dated March 13, 2019, the TSX Venture Exchange has accepted for filing documentation with respect to the at-the-market offering that occurred during the months ended March 31, 2019, April 30, 2019, and May 31, 2019, for gross proceeds of $10,043,680.60.

Agents:  GMP Securities LP

Offering:  2,565,100 shares in aggregate during the months ended March 31, 2019, April 30, 2019, and May 31, 2019

Share price:  varying prices during the months ended March 31, 2019, April 30, 2019, and May 31, 2019: (i) March 31, 2019, average sales price of $4.0176; (ii) April 30, 2019, average sales price of $4.2418; (iii) May 31, 2019, average sales price of $3.6655

Agents' warrants:  none

Greenshoe option:  none

Agents' commissions:  2.5 per cent of the gross proceeds of the offering, being $251,092.14 in aggregate for the months ended March 31, 2019, April 30, 2019, and May 31, 2019

For further information, please refer to the company's short form base shelf prospectus dated March 13, 2019, and prospectus supplement dated March 27, 2019, which are available under the company's SEDAR profile, and the company's notices of distribution dated April 3, 2019, May 6, 2019, and May 31, 2019, which are available under the company's SEDAR profile.