Magna Terra Extends Geochemical Anomaly to 4.2 Kilometres at the Birch Zone on the Humber Copper-Cobalt Project, Newfoundland

Toronto, Ontario--(Newsfile Corp. - March 11, 2026) - Magna Terra Minerals Inc. (TSXV: MTT) ("Magna Terra" or the "Company") is pleased to announce that it has received an additional 1,084 analytical results from an expanded soil geochemical survey over the 100% owned Humber Copper-Cobalt Project (the "Humber Project" or the "Project") located in western Newfoundland (Figure 1) (see news release dated November 18, 2025). The 1,084 soil samples were collected to the south, southwest and northeast of the 2.2 km-long Birch Zone, a zone of outcropping copper mineralization that is coincident with a linear magnetic low signature from the recently completed airborne geophysical survey covering the property.