Brunswick Exploration Intercepts 202 Metre-Wide Spodumene-Bearing Pegmatite Interval at the Anatacau Main Project

MONTREAL, Sept. 17, 2026 (GLOBE NEWSWIRE) — Brunswick Exploration Inc. ( TSX-V: BRW , OTCQB: BRWXF ; FRANKFURT:1XQ ; “ BRW ” or the “ Company ”) is pleased to report the results of a drill hole that represents an exceptional and material expansion to the Anais dyke at the Anatacau Main Project, located 20 km east of Rio Tinto’s Galaxy project, in the Eeyou Istchee James Bay region of Quebec. This hole is part of the 2026 summer drill campaign, which is still ongoing at the Anatacau Main Project.

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The Anatacau Project is strategically located approximately 440km north of Matagami by road, whereas PMET Resources’ Shaakichiuwaanaan project is 840km away, and WhiteRock’s Banana project is 1,060km away.

Mr. Killian Charles, President and CEO of BRW, commented: “While it is atypical for us to release mineralized intervals without assays, we believe the size of this major interval and its implication for the Anatacau Main project is highly material to Brunswick Exploration shareholders as it instantly elevates the Anais dyke to being one of the most exciting discoveries globally. Importantly, this discovery remains open in all directions. We are actively drilling at Anatacau and look forward to expanding this discovery. More details from future work programs at Anatacau will be shared shortly.”

Mr. Charles continued: “Of note, we will be also releasing exciting assays from Mirage in the coming weeks. It is once more an affirmation of our strong exploration focus as we continue to expand our portfolio. Brunswick Exploration has now made two sizeable discoveries, Mirage and Anatacau, and sees more opportunity in Greenland, the Middle East and further abroad.”

Figure 1: Surface Map of the Anatacau Main Project and Drill Holes Completed