Further to the TSX Venture Exchange bulletin dated Dec. 4, 2020, the exchange has accepted for filing a replacement debenture as announced on Dec. 6, 2022, and Jan. 24, 2023.

Original convertible debenture:  $17,596,136 aggregate principal amount of secured convertible debenture

Amended convertible debenture:  $20,484,195 aggregate principal amount of secured convertible debenture

Original conversion price:  The principal amount is convertible into common shares at a conversion price of 55 cents per share.

Amended conversion price:  The principal amount is convertible into common shares at a conversion price of 50 cents per share.

Original maturity date:  Dec. 31, 2022

Amended maturity date:  Dec. 31, 2024

Original interest rate:  7 per cent per annum

Amended interest rate:  8 per cent per annum

Original warrants:  10,664,324 share purchase warrants to purchase 10,664,324 common shares, exercisable at a price of 69 cents er share, expired on Nov. 27, 2022

Replacement warrants:  10,664,324 share purchase warrants to purchase 10,664,324 common shares, exercisable at a price of 65 cents per share, expiring on Dec. 31, 2024

Number of placees:  one placee (unchanged)

Total existing insider involvement:  $20,484,195 (one insider)

The debenture replaced the $17,596,136 secured convertible debenture, plus accrued interest, which was issued pursuant to a non-brokered private placement, which was originally announced on Nov. 18, 2020, and Nov. 27, 2020, and accepted for filing by the exchange effective Dec. 4, 2020.

For further information, please refer to the company's news releases dated Nov. 18, 2020, Nov. 27, 2020, Dec. 6, 2022, and Jan. 24, 2023.