Unless otherwise specified, all references to dollars set forth herein shall mean United States dollars.

VANCOUVER, BC, March 9, 2023 /PRNewswire/ - Metalla Royalty & Streaming Ltd. ("Metalla" or the "Company") (NYSE:MTA) (TSXV:MTA) is pleased to announce that, further to its news release dated December 12, 2022, it has completed (the "Closing") the acquisition of one half of an existing 5% to 7.5% step scale gross gold proceeds royalty (constituting a 2.5% to 3.75% step scale gross gold proceeds royalty payable to Metalla) that is payable on gold bullion and unrefined gold, and one half of an existing 0.5% to 6% sliding scale net smelter return royalty (constituting a 0.25% to 3.0% sliding scale net smelter return royalty payable to Metalla) on copper and all other minerals (other than silver and gold), extracted from the Lama project owned and operated by a wholly-owned subsidiary of Barrick Gold Corporation, from an arm's length third party for $2.5 million in cash and 466,827 common shares of Metalla ("Shares") at a price of $5.3553 per Share (representing $2.5 million priced on the 15-day volume-weighted average price on the NYSE American at signing). An additional $2.5 million in cash or common shares is to be paid to the third party within 90 days upon the earlier of (i) a 2 Moz gold proven & probable mineral reserve estimate on the royalty area, or (ii) 36 months after the Closing for a total purchase price of $7.5 million in cash and common shares.