The company's amended and restated short form base shelf prospectus dated Aug. 2, 2023, was filed with and accepted by the TSX Venture Exchange, and filed with and receipted by the Alberta Securities Commission as the principal regulator. Under Multilateral Instrument 11-102, Passport System, the prospectus is deemed to have been filed with and receipted by each of the Ontario, British Columbia and Saskatchewan securities commissions.

The TSX Venture Exchange has been advised that on Aug. 16, 2023, the company completed an offering of 2,029,412 units pursuant to a prospectus supplement to the prospectus dated Aug. 10, 2023, for gross proceeds of $3,450,000.40 (including gross proceeds from the full exercise of the overallotment option).

Offering:  2,029,412 units

Unit price:  $1.70 per unit (Each unit consists of one common share and one-half of one common share purchase warrant.)

Warrant exercise price/term:  Each warrant has a term of four years until Aug. 16, 2027, and is exercisable into one common share at $2.20.

Underwriters:  Raymond James Ltd., Eight Capital, and H.C. Wainwright & Co. LLC

Underwriters' commissions:  An aggregate of $207,000.02 in cash and 121,765 non-transferable compensation warrants. Each compensation warrant is exercisable at $1.70 to acquire one unit of the company until Aug. 16, 2026. Each unit consists of one common share and one-half of one common share purchase warrant. Each warrant is exercisable at $2.20 for a period of four years until Aug. 16, 2027.

Overallotment option:  The underwriters were granted an option to purchase up to an additional 15 per cent of the offered units sold pursuant to the offering for a period of 30 days from and including the closing date. The overallotment option has been fully exercised for 264,706 units.

Listing of warrants

Effective at the opening, Monday, Aug. 21, 2023, the 1,014,706 warrants of the company will commence trading on the TSX Venture Exchange. The company is classified as a non-metallic mineral product manufacturing company.

Corporate jurisdiction:  Alberta

Capitalization:  1,075,588 warrants, authorized by a warrant indenture dated Aug. 16, 2023, of which 1,014,706 warrants are issued and outstanding

Transfer agent:  Computershare Investor Services Inc.

Trading symbol:  GMG.WT.A

Cusip No.:  Q42733 15 6

These warrants were issued under a warrant indenture dated Aug. 16, 2023, pursuant to the company's prospectus supplement dated Aug. 10, 2023. Each warrant entitles the holder to purchase one common share of the company at a price of $2.20 per share and has a term of four years until Aug. 16, 2027.

For further information, please refer to the company's prospectus dated Aug. 10, 2023, and the news releases dated Aug. 10, 2023, and Aug. 16, 2023.