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Aclara Resources Inc
Symbol ARA
Shares Issued 222,361,749
Close 2026-03-31 C$ 3.34
Market Cap C$ 742,688,242
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Aclara Resources submits final addendum for Penco EIA

2026-04-01 15:35 ET - News Release

Mr. Ramon Barua reports

ACLARA SUBMITS FINAL ADDENDUM TO THE PENCO MODULE ENVIRONMENTAL IMPACT ASSESSMENT

Aclara Resources Inc. has formally submitted the extraordinary addendum (Addendum 3) to the Environmental Assessment Service (SEA) of Chile as part of the final stage of the environmental evaluation process for the Penco module project (the environmental impact assessment). Addendum 3 delivers comprehensive and robust responses to the final round of observations raised during the technical assessment, reinforcing the Penco module's commitment to the highest environmental and social standards.

Jose Augusto Palma, Aclara's executive vice-president, commented: "As we reach this final stage of the permitting process, we are proud of the progress achieved and excited about what lies ahead for the Penco module. The submission of this exceptional addendum reflects the rigour of our technical work and our deep commitment to the communities and environment around us.

"The Penco module is a key project that will produce significant quantities of heavy rare earths, which are critical to enabling a more diversified and cleaner global supply chain for these scarce elements. We are advancing a project that upholds the highest environmental standards and has the potential to deliver long-term value for the Biobio region and Chile."

Addendum 3 provides detailed responses and updated studies across key environmental dimensions, including refined engineering designs, enhanced environmental analyses and a section outlining adaptive measures in response to the wildfires that affected the project area in January of this year. Together, these updates strengthen the technical foundation of the Penco module and reflect Aclara's pro-active and responsible approach to continuous improvement in environmental management.

About Aclara Resources Inc.

Aclara Resources, a Toronto Stock Exchange-listed company, is focused on building a vertically integrated supply chain for rare earths alloys used in permanent magnets. This strategy is supported by Aclara's development of rare earth mineral resources hosted in ionic clay deposits, which contain high concentrations of the scarce heavy rare earths, providing the company with a long-term, reliable source of these critical materials. The company's rare earth mineral resource development projects include the Carina project in the state of Goias, Brazil, as its flagship project and the Penco module in the Biobio region of Chile. Both projects feature Aclara's patented technology, named circular mineral harvesting, which offers a sustainable and energy-efficient extraction process for rare earths from ionic clay deposits. The circular mineral harvesting process has been designed to minimize the water consumption and overall environmental impact through recycling and circular economy principles. Through its wholly owned subsidiary, Aclara Technologies Inc., the company is further enhancing its product value by developing a rare earths separation plant in the United States. This facility will process mixed rare earth carbonates sourced from Aclara's mineral resource projects, separating them into pure individual rare earth oxides. Additionally, Aclara, through a joint venture with CAP, is advancing its alloy-making capabilities to convert these refined oxides into the alloys needed for fabricating permanent magnets. This joint venture leverages CAP's extensive expertise in metal refining and special ferro-alloyed steels. Beyond the Carina project and the Penco module, Aclara is committed to expanding its mineral resource portfolio by exploring greenfield opportunities and further developing projects within its existing concessions in Brazil, Chile and Peru, aiming to increase future production of heavy rare earths.

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