Meridian Mining SE provided an update on its Ariquemes Tin Exploration Portfolio ("Ariquemes"), announcing that Orosur Mining Inc. ("Orosur") has signed a non-binding Letter of Intent option ("the LOI") to earn up to a 75% ownership interest in the mining concessions owned by Meridian Mineração Jaburi S.A., a wholly-owned subsidiary of Meridian. Ariquemes comprises an extensive land package in Brazil's second large tin field. Geophysical and geochemical datasets released by the Companhia De Pesquisa De Recursos Minerais ("CPRM"; Geological service of Brazil) highlights highly prospective signatures consistent with the tin-bearing granites within the Ariquemes area. The Company welcomes the engagement with Orosur. Both parties will work to execute a binding option agreement containing mutually agreeable terms and conditions within a 90 day period. The highlights of the LOI: Meridian signs LOI for Joint Venture of its Ariquemes tin portfolio; Orosur shall have the exclusive right for a staged earn-in on the in the Ariquemes Project: Expenditure of USD 1,000,000 for to earn an initial 51% interest over a 24-month period; Expenditure of USD 2,000,000 over a subsequent 24-month period for a 75% interest; LOI on Ariquemes allows Merdian to focus on Cabaçal. Meridian has communicated for some time its intent to find a suitable partner to advance Ariquemes. The LOI commences this process while the later JV potentially delivers to Meridian's shareholders a long term interest in the project, that will be advance by Orosur's Board and Management team who have extensive Brazilian experience. Meridian Mining consolidated a large land-holding within the world class Ariquemes Tin District of Rondônia; Brazil's second large tin field. The area has been evaluated through CPRM's "Áreas de Relevante Interesse Mineral" program - an initiative with Federal backing. The Ariquemes district was selected based on its contribution to the Brazil's economy, and the need to reconsider the prospectivity based on available geophysical datasets.