Welcome to our dedicated page for Meridian Mining news (Ticker: MRRDF), a resource for investors and traders seeking the latest updates and insights on Meridian Mining stock.
Meridian Mining Plc develops and explores precious- and base-metal mining projects in Mato Grosso, Brazil, led by the Cabaçal Au-Cu-Ag project and the Santa Helena deposit. Company news commonly covers mineral resource updates, drilling results, preliminary licensing, feasibility-study work, and regional exploration across the Cabaçal, Jauru and Araputanga belts.
Updates also document corporate actions such as the completed conversion and name change to Meridian Mining Plc, governance-role changes, Brazilian subsidiary activity at Rio Cabaçal Mineração Ltda, mineral-right approvals by the Agência Nacional de Mineração, and disclosures tied to capital structure and operating results.
Meridian Mining (OTCQX:MRRDF) scheduled its 2026 annual general and special meeting for 29 June at 4:00 p.m. (London time) at 4 More London Riverside, London. Shareholder materials and the Notice of Meeting are available via the FCA’s National Storage Mechanism, SEDAR+ and the company’s website.
Board changes include John Skinner and Adrian McArthur not standing for re-election as directors, with Skinner joining the Advisory Board and McArthur continuing as President. Two Brazilian non-executive director nominees, Carlos Vilhena and Felipe Holzhacker Alves, are proposed for election.
Meridian (OTCQX: MRRDF) submitted the Cabaçal gold-copper-silver project's Installation Licence application to Mato Grosso regulator SEMA, a key step before mine construction. The Definitive Feasibility Study is nearly 50% complete and on track for Q4 2026.
Meridian is ordering long-lead mill equipment, including a SAG mill and main transformer, fast-tracking road and bridge upgrades, and has a commitment letter with ENERGISA for power across 2.5Mtpa and 4.5Mtpa phases, supported by an approved 24km power line route.
Meridian (OTCQX: MRRDF) reported a new discovery of gold and base metal mineralisation at the Álamo target, 1km from Santa Helena. Discovery hole CD-852 cut 3.5m @ 2.4g/t Au, 0.5% Cu, 9.5g/t Ag & 0.7% Zn from 108.9m, within a 1.6km IP anomaly.
At Santa Helena Central, infill drilling returned multiple near-surface high-grade intercepts, including CD-854 (21.2m @ 1.5g/t Au, 1.2% Cu, 45.7g/t Ag & 6.0% Zn). Peak assays reached 17.5g/t Au, 311g/t Ag, 11.6% Cu and 22.1% Zn. Results will support a future resource upgrade and metallurgical testwork.
Meridian (OTCQX: MRRDF) closed a CAD 57.5M financing and will accelerate Cabaçal DFS work, ordering long‑lead items in Q1 2026 and aiming for DFS delivery in Q4 2026. The company plans initial civil works in the 2026 dry season and targets restart of production by end‑2028 (subject to licences). Meridian also plans up to 10,750m of 2026 drilling across Cabaçal, Jauru, Araputanga and Espigão and reports high‑grade Santa Helena drill intersections. The company is reviewing a dual listing on the London Stock Exchange.
Meridian (OTCQX: MRRDF) released updated Measured & Indicated resources for the Cabaçal and Santa Helena Central deposits (effective Dec 31, 2025) to support its Q4 2026 Definitive Feasibility Study (DFS) workstreams.
Cabaçal M&I: 70.1 Mt @ 0.6 g/t Au, 0.3% Cu, 1.3 g/t Ag (≈1.3 Moz Au, 0.5 Blbs Cu, 3.0 Moz Ag). Santa Helena Central M&I maiden open-pit: 5.3 Mt @ 0.6 g/t Au, 0.4% Cu, 15.5 g/t Ag, 1.9% Zn, 0.4% Pb (≈95.8 Koz Au, 50.4 Mlbs Cu, 2.6 Moz Ag, 217.4 Mlbs Zn, 49.9 Mlbs Pb).
Company noted optimized metallurgical recoveries for DFS, expanded granted exploration titles, and that Cabaçal resource growth used higher commodity price assumptions versus March 2025.
Meridian Mining (OTCQX: MRRDF) announced executive and corporate-structure updates effective November–December 2025.
The company appointed David Halkyard as Chief Financial Officer effective November 25, 2025 and named Catherine Apthorpe as Corporate Secretary following the resignation of Mariana Bermudez.
Meridian completed a legal name change to Meridian Mining Plc after converting to a UK public limited company, with trading to reflect the change at market open on December 10, 2025. The company reported a new ISIN GB00BVPND783 and new CUSIP G6017H 103; the prior identifiers are inactive. Management said there is no change to trading symbols or share capital.
Meridian Mining (OTCQX: MRRDF) announced that the Cabaçal Au‑Cu‑Ag project's Preliminary Licence (PL) has been formalized via publication in the Official Gazette of the State of Mato Grosso on November 3, 2025. The company plans to submit Cabaçal's Installation Licence (IL) in H1 2026 and is engaging with potential project finance groups to align financing with the IL and Final Investment Decision. Meridian also submitted a PL application for the Santa Helena Au‑Cu‑Ag & Zn project. Meridian highlighted >2 years of environmental and social studies, 12 months of public consultations, and a PL process that began in Q4 2021.
The announcement was reviewed and approved by Meridian's Qualified Person, Erich Marques, B.Sc., FAIG.
Meridian Mining (OTCQX: MRRDF) announced that Mato Grosso's CONSEMA council unanimously approved the Preliminary Licence (PL) for the Cabaçal Au-Cu-Ag project on October 29, 2025.
The decision follows SEMA's positive technical opinion based on the project's EIA/RIMA. The PL now moves to formal issuance via the State of Mato Grosso gazette, and Meridian said it is not aware of risks to gazetting. Meridian's Definitive Feasibility Study is advancing toward publication in 2026 and the Installation License application is progressing toward submission.
Meridian (OTCQX: MRRDF) completed the final phase of the Cabaçal DFS drill program on October 7, 2025, reporting multiple shallow, stacked Au-Cu-Ag intersections that will feed 2026 resource/reserve upgrades.
Key assay highlights include CD-760: 27.5m @ 1.9 g/t AuEq and 12.8m @ 4.9 g/t AuEq, CD-743: 24.5m @ 1.9 g/t AuEq, and CD-752: 32.2m @ 1.2 g/t AuEq. Greenfields drilling at Cigarra identified a 2.0 km VMS trend with initial results including 3.1m @ 0.5 g/t Au and 6.2 g/t Ag and peak assays of 1.5 g/t Au and 12.1 g/t Ag. Meridian reports ~CAD 60 million cash on hand and ongoing exploration drilling.
Meridian Mining (OTCQX:MRRDF) has reported significant drilling results from its Santa Helena Au-Cu-Ag & Zn project, with multiple high-grade intersections including CD-727 with 15.2m @ 7.4g/t AuEq and CD-719 with 8.4m @ 10.2g/t AuEq. The company also announced a new gold exploration frontier at Santa Fé, where sampling of the Aguapei Formation revealed gold mineralization with values up to 1.5g/t Au in channel samples.
The drilling program at Santa Helena continues to deliver strong results in the western sectors, with true widths approximately 85-95% of down-hole widths. The company has also expanded its regional exploration efforts, commencing drilling at the Cigarra Cu-Au prospect and identifying new potential in the Aguapei Formation, which has been a significant gold producer in the Alto Guaporé gold province.