One World Lithium Inc. announced following the entering into a Definitive Agreement with MatterGreen LLC ("MG") on September 27, 2023, MG has started the initial phase of the Company's research & development project on its lithium carbonation extraction technology which is a bench test on lithium carbonation that can be used as a proof of concept of the novel advanced carbonation technology to selectively extract lithium from natural brines. The formation of lithium carbonate (precipitate) will be graphically presented to show formation caused by the Company's latest advanced carbonation technique. The bench test proof of concept demonstration should be completed within 4 to 6 weeks.