VANCOUVER, British Columbia, Oct. 06, 2017 (GLOBE NEWSWIRE) — Metalla Royalty & Streaming Ltd. (“Metalla” or the “Company”) (CSE:MTA) (OTCQB:MTAFF) (FRANKFURT:X9CP) is pleased to announce that Lawrence Roulston, who has served on the Company’s Board of Directors since March 2017, has been appointed Non-Executive Chairman of the Board effective immediately. Tim Gallagher, tendered his resignation as part of the planned transition prior to the Company’s Annual General Meeting. The Company wishes Mr.