Metalla Royalty and Streaming Ltd.'s short form base shelf prospectus dated May 12, 2022, 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 (Ontario), on May 12, 2022. 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 May 27, 2022, to the company's short form base shelf prospectus dated May 12, 2022, the exchange has accepted for filing documentation with respect to the sales set out below under the at-the-market offering. The company raised aggregate gross proceeds of $1,601,828 pursuant to the at-the-market offering from April 1, 2023, to June 30, 2023, as set out below.

The exchange has been advised by the company that sales under the at-the-market offering during the quarter ended June 30, 2023, occurred for gross proceeds of $1,601,828.

Agents:  BMO Nesbitt Burns Inc., PI Financial Corp., Scotia Capital Inc., BMO Capital Markets Corp. and Scotia Capital (USA) Inc.

Offering:  279,430 shares in aggregate during the quarter ended June 30, 2023

Share price:  varying prices during the quarter ended June 30, 2023, with an average sale price of $5.73 per share

Agents' warrants:  none

Overallotment option:  none

Agents' commissions:  2.5 per cent of the gross proceeds of the offering, being $40,046 in aggregate for the quarter ended June 30, 2023

For further information, please refer to the company's short form base shelf prospectus dated May 12, 2022, the company's prospectus supplement dated May 27, 2022, which are both available under the company's SEDAR profile.