<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
<channel>
<title>Marimaca Copper Corp — News on 6ix</title>
<link>https://6ix.com/company/marimaca-copper-corp</link>
<description>Latest news and press releases for Marimaca Copper Corp on 6ix.</description>
<language>en-us</language>
<lastBuildDate>Thu, 02 Apr 2026 10:30:00 GMT</lastBuildDate>
<generator>6ix RSS</generator>
<atom:link href="https://6ix.com/rss/company/marimaca-copper-corp" rel="self" type="application/rss+xml" />
<image>
<url>https://6ix-events-pro.s3.amazonaws.com/6ixvideo/logos/org-logo6835f9cc78dffbe2df13109f.webp</url>
<title>Marimaca Copper Corp</title>
<link>https://6ix.com/company/marimaca-copper-corp</link>
</image>
<item>
<title>Marimaca Reports Additional High-Grade Silver Assays from Consolidated Drill Results at Pampa Medina</title>
<link>https://6ix.com/company/marimaca-copper-corp/news/marimaca-reports-additional-high-grade-silver-assays-from-consolidated-drill-results-at-pampa-medina</link>
<guid isPermaLink="true">https://6ix.com/company/marimaca-copper-corp/news/marimaca-reports-additional-high-grade-silver-assays-from-consolidated-drill-results-at-pampa-medina</guid>
<pubDate>Thu, 02 Apr 2026 10:30:00 GMT</pubDate>
<description>VANCOUVER, BC / ACCESS Newswire / April 2, 2026 / Marimaca Copper Corp. ("Marimaca Copper" or...</description>
</item>
<item>
<title>The Critical Materials Mining Projects That Check Every Box Right Now</title>
<link>https://6ix.com/company/marimaca-copper-corp/news/the-critical-materials-mining-projects-that-check-every-box-right-now</link>
<guid isPermaLink="true">https://6ix.com/company/marimaca-copper-corp/news/the-critical-materials-mining-projects-that-check-every-box-right-now</guid>
<pubDate>Mon, 30 Mar 2026 12:59:00 GMT</pubDate>
<description>VANCOUVER, British Columbia, March 30, 2026 (GLOBE NEWSWIRE) -- Equity-Insider.com&#xA0; News C...</description>
</item>
<item>
<title>Marimaca Announces the Appointment of Zenon Wozniak to its Board of Directors; Giancarlo Bruno appointed Independent Non-Executive Chair; Board Changes</title>
<link>https://6ix.com/company/marimaca-copper-corp/news/marimaca-announces-the-appointment-of-zenon-wozniak-to-its-board-of-directors-giancarlo-bruno-appointed-independent-non-executive-chair-board-changes</link>
<guid isPermaLink="true">https://6ix.com/company/marimaca-copper-corp/news/marimaca-announces-the-appointment-of-zenon-wozniak-to-its-board-of-directors-giancarlo-bruno-appointed-independent-non-executive-chair-board-changes</guid>
<pubDate>Mon, 30 Mar 2026 11:30:00 GMT</pubDate>
<description>VANCOUVER, BC / ACCESS Newswire / March 30, 2026 / Marimaca Copper Corp. ("Marimaca Copper" o...</description>
</item>
<item>
<title>Marimaca Reports Further High-Grade Copper and Silver Intersections more than 600m from Pampa Medina West Step-Out Drilling</title>
<link>https://6ix.com/company/marimaca-copper-corp/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-600m-from-pampa-medina-west-step-out-drilling</link>
<guid isPermaLink="true">https://6ix.com/company/marimaca-copper-corp/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-600m-from-pampa-medina-west-step-out-drilling</guid>
<pubDate>Wed, 11 Mar 2026 11:00:00 GMT</pubDate>
<description>VANCOUVER, BC / ACCESS Newswire / March 11, 2026 / Marimaca Copper Corp. ("Marimaca Copper" o...</description>
</item>
<item>
<title>Marimaca Announces Senior Management Updates</title>
<link>https://6ix.com/company/marimaca-copper-corp/news/marimaca-announces-senior-management-updates</link>
<guid isPermaLink="true">https://6ix.com/company/marimaca-copper-corp/news/marimaca-announces-senior-management-updates</guid>
<pubDate>Mon, 02 Mar 2026 12:00:00 GMT</pubDate>
<description>VANCOUVER, BC / ACCESS Newswire / March 2, 2026 /Marimaca Copper Corp. ("Marimaca Copper" or the "Company") (TSX:MARI)(ASX:MC2) is pleased to announce the appointment of Joshua Watson as Project Director, leading the development of the Company's Marimaca ...</description>
</item>
<item>
<title>Marimaca Copper Announces Closing of Australian Offering to Complete Global Offering of C$409 Million (~A$423 Million)</title>
<link>https://6ix.com/company/marimaca-copper-corp/news/marimaca-copper-announces-closing-of-australian-offering-to-complete-global-offering-of-cdollar409-million-adollar423-million</link>
<guid isPermaLink="true">https://6ix.com/company/marimaca-copper-corp/news/marimaca-copper-announces-closing-of-australian-offering-to-complete-global-offering-of-cdollar409-million-adollar423-million</guid>
<pubDate>Fri, 27 Feb 2026 02:00:00 GMT</pubDate>
<description>Not for release to United States news wire services or for dissemination in the United States VANCOUVER, BC / ACCESS Newswire / February 26, 2026 / Marimaca Copper Corp. (TSX:MARI)(ASX:MC2) ("Marimaca" or the "Company") is pleased to announce the ...</description>
</item>
<item>
<title>Marimaca Copper Announces Closing of Australian Offering to Complete Global Offering of C$409 Million (~A$423 Million)</title>
<link>https://6ix.com/company/marimaca-copper-corp/news/marimaca-copper-announces-closing-of-australian-offering-to-complete-global-offering-of-cdollar409-million-adollar423-million-1</link>
<guid isPermaLink="true">https://6ix.com/company/marimaca-copper-corp/news/marimaca-copper-announces-closing-of-australian-offering-to-complete-global-offering-of-cdollar409-million-adollar423-million-1</guid>
<pubDate>Fri, 27 Feb 2026 02:00:00 GMT</pubDate>
<description>Not for release to United States news wire services or for dissemination in the United States ...</description>
</item>
<item>
<title>Marimaca Copper Announces Closing of Canadian Offering for C$257 Million (~A$266 Million) of C$409 Million (~A$423 Million) Global Offering</title>
<link>https://6ix.com/company/marimaca-copper-corp/news/marimaca-copper-announces-closing-of-canadian-offering-for-cdollar257-million-adollar266-million-of-cdollar409-million-adollar423-million-global-offering</link>
<guid isPermaLink="true">https://6ix.com/company/marimaca-copper-corp/news/marimaca-copper-announces-closing-of-canadian-offering-for-cdollar257-million-adollar266-million-of-cdollar409-million-adollar423-million-global-offering</guid>
<pubDate>Thu, 26 Feb 2026 14:50:00 GMT</pubDate>
<description>Not for release to United States news wire services or for dissemination in the United States VANCOUVER, BC / ACCESS Newswire / February 26, 2026 / Marimaca Copper Corp. (TSX:MARI)(ASX:MC2) ("Marimaca" or the "Company") is pleased to announce the ...</description>
</item>
<item>
<title>Marimaca Copper Completes Bookbuild for C$409 Million (~ A$423 Million)</title>
<link>https://6ix.com/company/marimaca-copper-corp/news/marimaca-copper-completes-bookbuild-for-cdollar409-million-adollar423-million</link>
<guid isPermaLink="true">https://6ix.com/company/marimaca-copper-corp/news/marimaca-copper-completes-bookbuild-for-cdollar409-million-adollar423-million</guid>
<pubDate>Wed, 18 Feb 2026 15:04:00 GMT</pubDate>
<description>Treasury Offering of C$136.5 Million (~ A$141 Million)Secondary Offering of C$272.5 Million (~ A$282 Million)Marimaca and the Selling Shareholders have received strong commitments via the Canadian Offering and Australian Offering (defined below)Pro forma cash before transactions costs is C$227 million (~ A$235 million[1])[2]Vancouver, British Columbia--(Newsfile Corp. - February 18, 2026) - Marimaca Copper Corp. (TSX: MARI) (ASX: MC2) ("Marimaca" or the "Company") is pleased to announce a highly</description>
</item>
<item>
<title>Marimaca Copper Announces Global Offering of C$409 Million (~ A$423 Million)</title>
<link>https://6ix.com/company/marimaca-copper-corp/news/marimaca-copper-announces-global-offering-of-cdollar409-million-adollar423-million</link>
<guid isPermaLink="true">https://6ix.com/company/marimaca-copper-corp/news/marimaca-copper-announces-global-offering-of-cdollar409-million-adollar423-million</guid>
<pubDate>Tue, 17 Feb 2026 21:45:00 GMT</pubDate>
<description>Treasury Offering of Approximately C$136 Million (~ A$141 Million) Secondary Offering of Approximately C$273 Million (~ A$283 Million)Vancouver, British Columbia--(Newsfile Corp. - February 17, 2026) - Marimaca Copper Corp. (TSX: MARI) (ASX: MC2) ("Marimaca" or the "Company") has announced today that it has entered into agreements with Beacon Securities Limited and BMO Capital Markets as co-lead agents and joint bookrunners (together, the "Canadian Co-Lead Agents"), co-managed with National Bank</description>
</item>
<item>
<title>Pampa Medina Scout Drilling Delivers Significant Oxide Extensions; Western Deep Sulphide Drilling Pending</title>
<link>https://6ix.com/company/marimaca-copper-corp/news/pampa-medina-scout-drilling-delivers-113000624</link>
<guid isPermaLink="true">https://6ix.com/company/marimaca-copper-corp/news/pampa-medina-scout-drilling-delivers-113000624</guid>
<pubDate>Mon, 26 Jan 2026 11:30:00 GMT</pubDate>
<description>VANCOUVER, BC / ACCESS Newswire / January 26, 2026 /Marimaca Copper Corp. ("Marimaca Copper" or the "Company") (TSX:MARI)(ASX:MC2) is pleased to announce results from the Phase II drilling campaign at the Pampa Medina deposit, located at low altitude ...</description>
</item>
<item>
<title>Greenstone Files Early Warning Report for Marimaca Copper Corp.</title>
<link>https://6ix.com/company/marimaca-copper-corp/news/greenstone-files-early-warning-report-for-marimaca-copper-corp</link>
<guid isPermaLink="true">https://6ix.com/company/marimaca-copper-corp/news/greenstone-files-early-warning-report-for-marimaca-copper-corp</guid>
<pubDate>Fri, 09 Jan 2026 14:20:00 GMT</pubDate>
<description>GUERNSEY, Channel Islands, Jan. 09, 2026 (GLOBE NEWSWIRE) -- Greenstone Resources L.P. (“Greenstone”) announces that on January 7, 2026 it, together with its affiliates Greenstone Resources II LP and Greenstone Co-Investment No 1 (Coro) LP (together the “Greenstone Group”), has acquired a total of 838,360 shares (the “Shares”) of Marimaca Copper Corp. (“Marimaca”) as a result of the exercise by the Greenstone Group of 560,000 options of Marimaca (“Options”) and the conversion by the Greenstone G</description>
</item>
<item>
<title>Pampa Medina Drilling Continues to Validate Sedimentary-Hosted Copper Manto Model</title>
<link>https://6ix.com/company/marimaca-copper-corp/news/pampa-medina-drilling-continues-to-validate-sedimentary-hosted-copper-manto-model</link>
<guid isPermaLink="true">https://6ix.com/company/marimaca-copper-corp/news/pampa-medina-drilling-continues-to-validate-sedimentary-hosted-copper-manto-model</guid>
<pubDate>Tue, 11 Nov 2025 21:10:00 GMT</pubDate>
<description>VANCOUVER, British Columbia, Nov. 11, 2025 (GLOBE NEWSWIRE) -- Marimaca Copper Corp. (&#x201C;M...</description>
</item>
<item>
<title>Marimaca Announces Receipt of Environmental Approval for the Marimaca Oxide Deposit&#xA0;</title>
<link>https://6ix.com/company/marimaca-copper-corp/news/marimaca-announces-receipt-of-environmental-approval-for-the-marimaca-oxide-depositandxa0</link>
<guid isPermaLink="true">https://6ix.com/company/marimaca-copper-corp/news/marimaca-announces-receipt-of-environmental-approval-for-the-marimaca-oxide-depositandxa0</guid>
<pubDate>Tue, 11 Nov 2025 12:42:38 GMT</pubDate>
<description>VANCOUVER, British Columbia, Nov. 11, 2025 (GLOBE NEWSWIRE) -- Marimaca Copper Corp. (&#x201C;M...</description>
</item>
<item>
<title>Marimaca Announces Receipt of Environmental Approval for the Marimaca Oxide Deposit</title>
<link>https://6ix.com/company/marimaca-copper-corp/news/marimaca-announces-receipt-environmental-approval-124200806</link>
<guid isPermaLink="true">https://6ix.com/company/marimaca-copper-corp/news/marimaca-announces-receipt-environmental-approval-124200806</guid>
<pubDate>Tue, 11 Nov 2025 12:42:00 GMT</pubDate>
<description>VANCOUVER, British Columbia, Nov. 11, 2025 (GLOBE NEWSWIRE) -- Marimaca Copper Corp. (“Marimaca Copper” or the “Company”) (TSX:MARI, ASX:MC2) is pleased to announce that its Chilean subsidiary, Marimaca NewCo Limitada (“Marimaca”), has received the formal Resolución de Calificación Ambiental (“RCA”) for its Marimaca Oxide Project (the “MOD” or “Project”), located in the low coastal cordillera of the Antofagasta region of Chile. The RCA represents the formal approval of the Company’s Declaración</description>
</item>
<item>
<title>Marimaca Regretfully Announces the Passing of Colin Kinley</title>
<link>https://6ix.com/company/marimaca-copper-corp/news/marimaca-regretfully-announces-the-passing-of-colin-kinley</link>
<guid isPermaLink="true">https://6ix.com/company/marimaca-copper-corp/news/marimaca-regretfully-announces-the-passing-of-colin-kinley</guid>
<pubDate>Fri, 07 Nov 2025 13:30:00 GMT</pubDate>
<description>VANCOUVER, British Columbia, Nov. 07, 2025 (GLOBE NEWSWIRE) -- It is with great sadness that Mari...</description>
</item>
<item>
<title>Marimaca Copper Files NI 43-101 Technical Report for the Previously Announced Marimaca Oxide Deposit Feasibility Study</title>
<link>https://6ix.com/company/marimaca-copper-corp/news/marimaca-copper-files-ni-43-101-technical-report-for-the-previously-announced-marimaca-oxide-deposit-feasibility-study</link>
<guid isPermaLink="true">https://6ix.com/company/marimaca-copper-corp/news/marimaca-copper-files-ni-43-101-technical-report-for-the-previously-announced-marimaca-oxide-deposit-feasibility-study</guid>
<pubDate>Fri, 10 Oct 2025 00:10:27 GMT</pubDate>
<description>VANCOUVER, British Columbia, Oct. 09, 2025 (GLOBE NEWSWIRE) -- Marimaca Copper Corp. (TSX: MARI...</description>
</item>
<item>
<title>Marimaca Copper Announces Closing of A$80,000,000 Placement</title>
<link>https://6ix.com/company/marimaca-copper-corp/news/marimaca-copper-announces-closing-of-adollar80000000-placement</link>
<guid isPermaLink="true">https://6ix.com/company/marimaca-copper-corp/news/marimaca-copper-announces-closing-of-adollar80000000-placement</guid>
<pubDate>Thu, 11 Sep 2025 20:15:00 GMT</pubDate>
<description>Not for release to U.S. wire services or for distribution in the United States VANCOUVER, B...</description>
</item>
<item>
<title>Marimaca Copper Completes A$80,000,000 Bookbuild</title>
<link>https://6ix.com/company/marimaca-copper-corp/news/marimaca-copper-completes-adollar80000000-bookbuild</link>
<guid isPermaLink="true">https://6ix.com/company/marimaca-copper-corp/news/marimaca-copper-completes-adollar80000000-bookbuild</guid>
<pubDate>Fri, 05 Sep 2025 13:00:00 GMT</pubDate>
<description>Not for release to U.S. wire services or for distribution in the United States VANCOUVER, B...</description>
</item>
<item>
<title>Canadian Investment Regulatory Organization Trade Resumption - MARI</title>
<link>https://6ix.com/company/marimaca-copper-corp/news/canadian-investment-regulatory-organization-trade-resumption-mari</link>
<guid isPermaLink="true">https://6ix.com/company/marimaca-copper-corp/news/canadian-investment-regulatory-organization-trade-resumption-mari</guid>
<pubDate>Fri, 05 Sep 2025 12:01:00 GMT</pubDate>
<description>Canadian Investment Regulatory Organization Trade Resumption - MARI Canada NewsWire ...</description>
</item>
</channel>
</rss>