Niuminco Group Limited Reports Production Results for the Quarter Ended March 31, 2021

Niuminco Group Limited is an Australia-based company, which holds prospective exploration areas and mining leases in Papua New Guinea, through its subsidiaries. The Company has exploration licenses at May River and Bolobip, and mining leases at Edie Creek. The Company operates through three segments, including mineral exploration in Papua New Guinea and Tasmania, and mining operations in Papua New Guinea. It also has an interest in TNT Mines Limited, a tin and tungsten exploration company with assets in Tasmania. The Company holds interest in EL 1441 at May River and EL 1438 at Bolobip. The Edie Creek Project is located in Wau District of Morobe Province, approximately 210 kilometers northwest of Port Moresby and over 120 kilometers south of Lae. The mining leases in the Edie Creek Project cover over 3.92 square kilometers. The Bolobip site is located over 300 kilometers west of Mount Hagen and approximately 50 kilometers east of Tabubil in the Western Province of Papua New Guinea.