Orosur Mining Inc. announced that it has signed a Joint Venture (JV) agreement with Meridian Mining UK Societas in relation to the Ariquemes tin project (Project) in Brazil. The JV terms are largely in line with those indicated in the Letter of Intent (LOI) signed and announced on July 7th 2021, in which the Company can earn an equity interest of 75% in the Ariquemes project by spending USD 3m over a four-year period, in two phases: Phase 1 - earn 51% interest by spending USD 1 million over a 24-month period; Phase 2 - earn an additional 24% interest by spending USD 2 million over a subsequent 24-month period; Following this point, the two parties would jointly fund the Project on a pro-rata basis or dilute to a net smelter royalty.