Meridian Reports on Cabaçal Installation Licence Submission and Provides DFS Update

Highlights: Cabaçal advances the next step towards Financial Investment Decision ("FID") with the application for its Installation Licence; Cabaçal Feasibility Study is nearing 50% completion and remains on schedule for Q4 2026; Meridian commences the purchase of Cabaçal's long-lead mill equipment;— Purchasing of long-lead items now locks in prices and shortens the time to construction— SAG Mill technical specification completed and pricing secured;— Electrical transformers ordered from Brazilian supplier; Pre-construction civil engineering studies fast-tracked;— Roads, bridges and power easements surveyed for upgrade and construction;— Tenders for civil engineering are now under review; and— Commitment letters for life-of-mine power supply signed. London, United Kingdom--(Newsfile Corp. - May 27, 2026) - Meridian Mining plc (LSE: MNO) (TSX: MNO) (FSE: N2E0) (Tradegate: N2E0) (OTCQX: MRRDF) ("Meridian" or the "Company") is pleased to announce the submission of the Cabaçal Au-Cu-Ag project's ("Cabaçal") Installation Licence (Licença de Instalação "the IL") application, to the Mato Grosso State Environmental Secretariat ("SEMA").