02:55:01 EST Fri 27 Feb 2026
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Magna Terra Minerals Inc (2)
Symbol MTT
Shares Issued 108,228,220
Close 2026-02-26 C$ 0.155
Market Cap C$ 16,775,374
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Magna Terra identifies anomaly at Rocky Brook

2026-02-26 18:48 ET - News Release

Mr. Lewis Lawrick reports

MAGNA TERRA IDENTIFIES STRONG GEOCHEMICAL ANOMALY OUTLINING THE FOOTWALL ZONE OF THE RESTIGOUCHE VMS DEPOSIT, ROCKY BROOK PROJECT, NEW BRUNSWICK

Magna Terra Minerals Inc. has released results from a reconnaissance soil geochemical program targeting the 4.2-kilometre-long footwall zone (the Restigouche trend) to the Restigouche volcanogenic massive sulphide (VMS) deposit on the Rocky Brook project, located in the prolific Bathurst mining camp (BMC) of northern New Brunswick. The soil sampling program was designed to follow-up on high-grade copper mineralization from prospecting conducted in 2025 that returned assays from rock grab samples up to 8.17 per cent Cu (copper) and up to 1.57 per cent Zn (zinc) from the C-5 footwall zone to the past-producing Restigouche VMS deposit (see news release dated Jan. 13, 2026).

A total of 674 soil samples were collected along a three-by-1.5-kilometre grid at 200 m line spacing and 25 m sample spacing. Grid lines were oriented north-south perpendicular to east-west-trending electromagnetic (EM) conductors and stratigraphy. The soil samples were analyzed at ALS Canada Ltd. in North Vancouver, B.C., for gold and multielement ICP analysis. The results highlight key areas with multielement anomalies (Cu, Zn, Pb, Au and Ag (copper, zinc, lead, gold and silver)) that are spatially coincident with EM conductors and along strike from the Restigouche C-4 and C-5 footwall Cu-rich feeder zones in proximity to the Restigouche VMS deposit.

Of the 674 samples collected over the property:

  • Copper values range between one and 385 parts per million Cu with the 95th percentile (n equals 34) assaying over 46 ppm;
  • Zinc values range between five and 546 ppm Zn with the 95th percentile (n equals 34) assaying over 276 ppm;
  • Lead values range between four and 722 ppm Pb with the 95th percentile (n equals 34) assaying over 179 ppm;
  • Gold values range between less than 0.005 and 0.186 ppm Au with the 95th percentile (n equals 34) assaying over 0.029 ppm;
  • Silver values range between less than 0.2 and 2.6 ppm Ag with the 95th percentile (n equals 34) assaying over 0.6 ppm.

Elevated values for Cu, Zn, Pb, Au and Ag occur along Restigouche trend, lying adjacent to EM conductors and within stratigraphy of the Mount Brittain formation felsic volcanic rocks, which are host to the C-4 and C-5 mineral occurrences as well as the Restigouche VMS deposit. The company plans to complete gaps in the survey to the east and extend the grid to the south as part of its comprehensive exploration plans commencing in the spring.

"We are very pleased with the results of the reconnaissance soil geochemical program that indicates a strong polymetallic signature that is coincident with the C-4 and C-5 footwall zones at the Restigouche VMS deposit and also demonstrates strong signatures to the east towards Canadian Copper's Murray Brook deposit. These soil results support recent prospecting that shows potential for further discovery of massive and stringer sulphide mineralization within the 4.2-kilomtere-long Restigouche trend. The footwall zone to the past-producing Restigouche VMS deposit has not seen appreciable historic exploration with much of the prior exploration effort focused on the near-surface, open-pitable portion of the deposit.

"The impact of these early results adds a compelling narrative for the potential to identify and delineate additional copper-rich massive sulphide deposits well within economic trucking distance to the Caribou mill complex, that is to be acquired by Canadian Copper Corp. for the processing of ore from their nearby Murray Brook deposit. In 2026, we will look to further advance these and multiple additional high-priority targets throughout the Rocky Brook project, including targets on our Restigouche property located between five and 10 kilometres to the southwest of Canadian Copper's Murray Brook deposit."

-- Lew Lawrick, president and chief executive officer, Magna Terra Minerals

Rocky Brook project highlights

VMS highlights

  • The project covers a 40-kilometre extent of favourable California Lake felsic volcanic and sedimentary rocks that are host to the nearby Restigouche, Murray Brook and Caribou deposits.
  • Identification of the Boudreau Brook-Fossil Hill trend -- a 15-kilometre trend of coincident geochemical and geophysical anomalies and historical prospects.
  • Previous work at the Fossil Hill zone has discovered high-grade copper-cobalt mineralization with grab samples assaying up to 16.65 per cent Cu and 0.64 per cent Co.
  • Previous work at the Boudreau Brook prospect has discovered copper mineralization assaying up to 3 per cent Cu.
  • The property covers the Restigouche C-4 and C-5 footwall Cu-rich feeder zones where previous historical drilling at the C-4 zone and in hole C-4 that intersected 4.36 m grading 0.2 per cent Cu, 1.6 per cent Pb, and 6.74 per cent Zn (from 17.3 to 21.6 m). The best intersection in the C-5 area was reported in hole C-5 that intersected 2.06 per cent Cu and 0.57 per cent Zn over 4.5 m (from 51.9 to 56.4 m).
  • Located in the prolific Bathurst mining camp within the premier mining jurisdiction of New Brunswick.
  • Year-round accessibility with road access to the majority of the property.

Gold highlights

  • The project also covers a 30-plus-kilometre extent of the Rocky Brook-Millstream fault system.
  • Strategically positioned along strike from Kinross-Puma's Lynx zone gold discovery and adjacent to the past-producing Caribou mine and Murray Brook base metal deposits.
  • Recent discovery in 2023 of high-grade gold assays from grab samples assaying up to 5.23 grams per tonne Au over a 350 m strike length at Fournier Lake.

The Rocky Brook project

The Rocky Brook project comprises 31,489 hectares in 75 mineral claims making the company one of the single-largest strategic landholders in this historic mining camp. The Rocky Brook project is located adjacent to and along strike from the Williams Brook project, owned by Kinross Gold Corp. and Puma, where a zone of high-grade gold mineralization was discovered over broad widths including drill intervals up to 5.55 grams per tonne Au over 50.15 m (refer to Puma's news release dated Sept. 15, 2021). The project is located adjacent to a 30-kilometre-long section of the Rocky Brook-Millstream fault and associated McIntyre and Ramsay Brook faults; an important structural zone controlling gold mineralization within the region. The project also covers volcanic and sedimentary rocks that show strong potential to host polymetallic Cu-Co-Pb-Zn-Au-Ag mineralization, adjacent to the past-producing Caribou mine and the Murray Brook deposit, which is the largest undeveloped VMS project in New Brunswick owned by Canadian Copper Inc.

The Bathurst camp

The BMC is one of the world's oldest base metal (lead, zinc, copper, gold and silver) mining districts hosting one of Canada's largest VMS deposits, with the past-producing Brunswick No. 12 mine having operated for 49 years. The BMC is host to over 46 mineral deposits, several of which have been mined, including the Brunswick No. 6, Heath Steele, Wedge, Stratmat, Half Mile Lake, Caribou and Murray Brook. A total of 136,643,367 tonnes of ore grading 3.44 per cent Pb, 8.74 per cent Zn, 0.37 per cent Cu and 102.2 g/t Ag were mined from the BMC (McCutcheon and Walker, 2020).

Qualified person and technical notes

This news release has been reviewed and approved by David A. Copeland, PGeo, a qualified person, under National Instrument 43-101 -- Standard for Disclosure for Mineral Projects.

All soil and rock samples collected were submitted to ALS Canada Ltd. in Moncton, N.B., for sample preparation and then shipped to ALS facilities in North Vancouver, B.C., for gold (method AU-AA23) and multielement geochemistry, including elements Cu, Pb, Zn, Co and Ag (method ME-ICP41).

All quoted drill core and rock samples results were compiled from historic assessment and government reports obtained from the government of New Brunswick. The qualified person has not completed sufficient work to validate these historic results.

About Magna Terra Minerals Inc.

Magna Terra Minerals is a precious and critical metals 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 the company's ability to explore, grow and transact projects. The company is focused on exploring its 100-per-cent-owned Humber copper-cobalt project in Newfoundland and Labrador; the company's 100-per-cent-owned Rocky Brook gold and critical metals project in the historic Bathurst mining camp of New Brunswick; the recently acquired prospect Or's gold project, and the company's 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 13.6-per-cent equity interest in Gold Hunter. The company has also optioned the Luna Roja project in Argentina to Lunex Metals Corp. (Lunex, formerly Andean Metals Corp.) for total cash and share consideration of $2,375,000 over a four-year period, where Lunex has recently initiated a 3,000-metre drill program. Further, the company maintains a significant exploration portfolio in the province of Santa Cruz, Argentina, which includes its large 100-per-cent-owned Boleadora project, as well as several additional district-scale drill ready projects available for purchase or option/joint venture.

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