Magna Terra acquires 6,450 ha by staking at Humber

Mr. Lewis Lawrick reports MAGNA TERRA IDENTIFIES AIRBORNE CONDUCTORS, EXPANDS PROPERTY, AND REPORTS ADDITIONAL COPPER AND GOLD ASSAYS AT THE HUMBER COPPER-COBALT PROJECT IN NEWFOUNDLAND Magna Terra Minerals Inc. has received airborne magnetic and electromagnetic data from its recently completed VTEM Plus survey completed at its 100-per-cent-owned Humber copper-cobalt project located in western Newfoundland. Preliminary review of the geophysical data indicates the presence of zones of conductivity that are spatially coincident with cobalt-bearing lake sediments, as further detailed below. The discovery of conductive units on the property has led to additional staking of mineral licences adjacent to the current land position. An additional five mineral licences totalling 6,450 hectares were acquired through map staking. The Humber project now comprises a total of 21 mineral licences totalling 49,925 hectares. The company is also pleased to announce that it has received additional assays from prospecting at its recently discovered zone of copper mineralization along the Hughes Lake trend (see news release dated July 17, 2025). A total of 61 rock samples were collected during an initial phase of prospecting, and results have been received for all samples collected to date. Prospecting and geological mapping have outlined copper mineralization over a minimum strike length of 1.0 kilometres with the zone being open for expansion along strike and at depth. In addition, copper and gold mineralization assaying up to 422 parts per billion gold and 0.07 per cent copper was discovered in mafic volcanics along the Hughes Lake trend. Magna Terra would like to acknowledge and thank both the Province of Newfoundland and Labrador and the Atlantic Canada Opportunities Agency for their financial assistance through the junior exploration assistance program for work on the Humber copper-cobalt project. Humber project highlights: Discovery of one kilometre of copper mineralization at Hughes Lake; Host to regionally anomalous copper, cobalt, silver, lead plus or minus gold, molybdenum, arsenic and antimony lake sediments; Airborne conductors coincident with lake sediment anomalies; Eight-plus-kilometre Hughes Lake copper-cobalt trend; Analogous to the Kalahari copper belt, Namibia and Botswana; central African copper belt, Zambia and the Democratic Republic of the Congo; and the Kupferschiefer belt, Poland; Globally, these sediment-hosted stratiform copper deposit types represent 20 per cent of Cu production and 60 per cent of Co production; District-scale land package now comprising 49,925 hectares; Located within the premier mining jurisdiction of Newfoundland and Labrador; Year-round accessibility with road access to the majority of the project; First-mover advantage in a previously unrecognized area of exploration potential; and Acquired through staking cost-effective acquisition and with no underlying royalties or option payments. "We are very pleased with the additional copper results from our new discovery at the Humber project. These results outline a zone of copper mineralization over a minimum one-kilometre strike length with assays up to 1.26 per cent Cu. The zone of in situ Cu mineralization is open along strike and downdip. The discovery of gold-copper mineralization within nearby mafic volcanic rocks further supports the significant discovery potential on the Humber project. Preliminary review of the airborne magnetic and electromagnetic data is demonstrating coincident zones of conductivity with previously identified elevated cobalt lake sediment data, which is very encouraging. We have staked additional claims to incorporate potential strike length extensions of these conductive zones. While early stage, these initial generative results further support our view that the Humber project has the potential to host sediment-hosted stratiform copper deposits, and our exploration team is currently assessing additional targets across the expanded project. We will be undertaking additional regional geochemical sampling, prospecting and mapping within the greater project area focused on prospective areas highlighted by the airborne geophysical data to commence in the next few weeks," said Lew Lawrick, president and chief executive officer, Magna Terra. Airborne geophysical targets Magna Terra contracted GeoTech Ltd. from Aurora, Ont., to conduct an airborne magnetic and electromagnetic survey using the VTEM Plus (versatile time-domain electromagnetic) system over the project area. GeoTech conducted the survey from May 29 to July 11, 2025, with flight lines at 200-metre line spacing and tie lines at 2,000-metre spacing totalling 2,436 line kilometres. The preliminary interpretation of the geophysical survey results shows linear magnetic anomalies that suggest complex compositional differences within the regional bedrock geology of the Humber allochthon marine sedimentary units, as well as potential regional-scale structures and secondary and tertiary deformation features. In general, lake sediment copper anomalies coincide with magnetic low domains and may suggest potential copper mineralization associated with structures. Large kilometre-scale conductive trends are located within all project blocks and generally coincide with cobalt in lake sediment anomalies. These initial results show promise for copper-cobalt mineralization within the Humber project and have provided exploration target areas for follow-up fieldwork. Hughes Lake trend discovery A total of 61 rock grab samples were collected during an initial phase of prospecting in the vicinity of the Hughes Lake trend. The results have further substantiated the copper discovery announced in the news release dated Aug. 13, 2025. The newly discovered copper occurrence is defined by a one-kilometre trend of chalcopyrite-bornite-malachite mineralization associated with pyrite and specular hematite and hosted in foliated, dolomitized limestone and adjacent altered clastic sedimentary rocks of the Little North Pond formation, Fleur de Lys supergroup. A total of 20 grab samples, of which 17 are from outcrop, range from 28 parts per million up to 12,600 ppm copper with 11 samples grading above 0.12 per cent and up to 1.26 per cent copper and between 0.2 and 4.1 g/t Ag. Copper mineralization is characterized by fabric parallel lenses and stringers and local stockwork quartz-carbonate veining. Malachite is also locally hosted along fractures. Gold mineralization from grab samples assaying up to 422 parts per billion gold hosted within quartz-epidote-malachite veins within highly deformed mafic volcanic rocks along the Hughes Lake trend. This occurrence marks the first discovery of gold within the project area. Initial and continuing fieldwork consisting of prospecting, geological mapping and the collection of 1,700 soil samples is focused on following up on the Hughes Lake trend, where an eight-kilometre-long anomalous zone of copper and cobalt in historic soil samples is coincident with mafic volcanic rocks of the Hughes Lake complex and associated magnetic rocks. Lake sediment geochemistry and global analogues The project is underlain by rocks of the sedimentary Humber Arm allochthon and adjacent plutonic and volcanic Hughes Lake complex, which is centred on a series of anomalous lake sediment samples (Davenport et al., 1996) that show regionally elevated levels of cobalt (up to 160 parts per million), silver (up to 0.6 ppm), lead (up to 84 ppm), copper (up to 185 ppm), arsenic (up to 142 ppm), molybdenum (up to 15 ppm) and gold (up to 10 parts per billion). An analysis of the lake sediment geochemical data through principal component analysis has indicated that the metal suite present within the project area is likely related to a black shale source as many of the anomalous lake sediments have low nickel values, which precludes association with the nearby ophiolite complexes to the immediate west. This metal signature (Cu, Co, Ag and Pb plus or minus Au, Mo, As and Sb) and geological environment is supportive of the area being host to SSC deposits. SSC deposits host 60 per cent of global cobalt production and 20 per cent of global copper production in deposits such as the central African copper belt, which is thought to be analogous to the geological setting of the Humber copper-cobalt project. SSC deposits are often laterally continuous along bedding and contain consistent grades (1.2 to 5 per cent Cu) and large resources of byproduct Au, uranium, and platinum group and rare earth elements. The exploration potential is also underscored by the presence of base metal deposits nearby including the York Harbour and Daniels Harbour deposits located at lower stratigraphic levels of the region. Engagement of Atrium Research Corp. The company is pleased to announce that it has engaged the services of Atrium, a leading company-sponsored research firm. Atrium will publish various research reports on the company based on publicly available information, industry data and discussions with management. Atrium will also host recorded interviews with the company's management team to present the investment case in an interview format. In exchange for its research services, Atrium will receive cash compensation in the amount of $4,000 per month. The services will be provided for a 12-month term beginning on Sept. 2, 2025. This engagement is subject to TSX Venture Exchange approval. Magna Terra and Atrium are arm's-length parties, and neither Atrium nor its insiders hold any shares or options to purchase shares in the issued and outstanding capital of the company. Qualified person and technical disclosure This news release has been reviewed and approved by David A. Copeland, PGeo, a non-independent consultant to the company and a qualified person as defined under National Instrument 43-101 (Standard for Disclosure for Mineral Projects). All soil and rock samples collected from the current fieldwork were submitted to Eastern Analytical Ltd. in Springdale, Nfld., and analyzed for gold (30-gram fire assay) and multielement geochemistry, including elements Cu, Pb, Zn, Co and Ag (method ICP-34). All quoted soil and lake sediment samples results were compiled from historic assessment and government reports obtained from the government of Newfoundland and Labrador. The qualified person has not completed sufficient work to validate these historic results. About Magna Terra Minerals Inc. Magna Terra is a precious- and critical-metal-focused exploration company, headquartered in Toronto, Canada. Magna Terra is focused on acquiring and advancing its high-potential mineral projects in Atlantic Canada and Argentina while generating value for shareholders and minimizing shareholder dilution through option and joint venture partnerships where appropriate, leveraging its ability to explore, expand and transact projects. The company is focused on exploring its 100-per-cent-owned Humber copper-cobalt project in Newfoundland and Labrador; its 100-per-cent-owned Rocky Brook gold and critical metal project in the historic Bathurst mining camp of New Brunswick; and its 100-per-cent-owned Cape Spencer gold project in New Brunswick. In addition, the company has optioned the Great Northern project in Newfoundland to Gold Hunter Resources Inc. for total cash and share consideration of $9.5-million over a two-year period, and currently holds an approximate 28.9-per-cent equity interest in Gold Hunter. Further, the company maintains a significant precious metal exploration portfolio in the province of Santa Cruz, Argentina, which includes the Boleadora project and the Luna Roja project, which are subject to a recently announced letter of intent with Andean Metals Corp., as well as several additional district-scale drill-ready projects available for purchase or option/joint venture. We seek Safe Harbor.