Marimaca Copper Announces Closing of Canadian Offering for C$257 Million (~A$266 Million) of C$409 Million (~A$423 Million) Global Offering

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[{"type":"text","content":"Not for release to United States news wire services or for dissemination in the United States","length":93,"tagName":"p"},{"type":"text","content":"VANCOUVER, BC / ACCESS Newswire / February 26, 2026 / Marimaca Copper Corp. (TSX:MARI)(ASX:MC2) ("Marimaca" or the "Company") is pleased to announce the closing of its previously announced Canadian treasury and secondary offering, with closing of its Australian secondary offering expected in the coming days.","length":329,"tagName":"p"},{"type":"text","content":"Global Offering Details","length":23,"tagName":"p"},{"type":"text","content":"The global offering is comprised of two parts (together the "Global Offering"):","length":89,"tagName":"p"},{"type":"list","items":[{"val":[{"type":"text","content":"Canadian Offering:","length":18,"tagName":"p"},{"type":"list","items":[{"val":[{"type":"text","content":"Canadian Treasury Offering: C$136.5 million treasury offering of 13,650,000 common shares of the Company (the "Common Shares") priced at C$10.00 per Common Share (the "CanadianIssue Price"); and","length":214,"tagName":"p"}]},{"val":[{"type":"text","content":"Canadian Secondary Offering: C$120.5 million secondary offering of 12,049,087 existing Common Shares at the Canadian Issue Price owned and controlled by Greenstone Resources II L.P. and Greenstone Co-Investment No. 1 (Coro) L.P. (the "Greenstone Group").","length":264,"tagName":"p"}]}],"tagName":"ul","bulletedList":true,"length":478,"olType":false}]},{"val":[{"type":"text","content":"Australian Offering:","length":20,"tagName":"p"},{"type":"list","items":[{"val":[{"type":"text","content":"Australian Secondary Offering: A$157 million secondary offering of 15,200,913 existing CHESS Depositary Interests of the Company (the "CDIs") at a price of A$10.35 per CDI (the "Australian Offer Price") owned and controlled by Greenstone Resources II L.P. and other shareholders (together with the Greenstone Group, the "Selling Shareholders").","length":374,"tagName":"p"}]}],"tagName":"ul","bulletedList":true,"length":374,"olType":false}]}],"tagName":"ul","bulletedList":true,"length":890,"olType":false},{"type":"text","content":"The Canadian Treasury Offering represents aggregate gross proceeds to the Company of approximately C$136.5million, or A$141 millio...

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