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Aclara Receives Positive Environmental Qualification Resolution For The Penco Module

Aclara Receives Positive Environmental Qualification Resolution

For The Penco Module

TORONTO, ON / ACCESS Newswire / June 23, 2026 / Aclara Resources ("Aclara" or the

"Company") (TSX:ARA) announces that the Environmental Qualification Resolution ("RCA")

for the Penco Module project (the "Penco Module" or the "Project"), which is being

developed in partnership with Grupo CAP , has been formally issued and published in

Chile's Environmental Impact Assessment System ("SEIA"). The publication of the RCA

formalizes the environmental approval granted by the Environmental Assessment

Commission of the Biobío Region on June 8, 2026, thereby concluding the environmental

assessment process for the Project. In addition to the RCA, the environmental approval

includes the corresponding environmental authorizations associated with the applicable

Sectoral Environmental Permits ("PAS") evaluated as part of the environmental review

process.

The RCA and associated environmental authorizations establish the environmental

conditions, commitments, monitoring programs, and management measures that will

govern the development and operation of the Project. With the environmental permitting

phase now complete, the Company will advance the next stage of project development,

including the processing of sectoral permits required for construction and operation, the

completion of basic and detailed engineering activities, and the implementation of the

environmental and community commitments established during the assessment process.

The Company acknowledges and appreciates the participation of public agencies, local

communities, Indigenous representatives, technical experts, academic institutions, and

other stakeholders who contributed throughout the environmental review process.

Aclara remains committed to transparency, accountability, and ongoing stakeholder

engagement. The Company will continue to maintain open and constructive

communication with local communities, public authorities and other stakeholders as it

advances the Project and fulfils its environmental commitments and monitoring programs.

About Aclara

Aclara Resources Inc. (TSX:ARA), 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 Goiás, Brazil as its flagship project and the Penco Module in

the Biobío Region of Chile. Both projects feature Aclara's patented technology named

Circular Mineral Harvesting, which o\ers a sustainable and energy-e\icient extraction

process for rare earths from ionic clay deposits. The Circular Mineral Harvesting process

has been designed to minimize 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.

Forward-Looking Statements

This press release contains "forward-looking information" within the meaning of applicable

securities legislation, which reflects the Company's current expectations regarding future

events, including statements with regard to the development of the Penco Module, the

advancement of the next stage of project development, the processing and receipt of

sectoral permits required for construction and operation, the completion of basic and

detailed engineering activities, the implementation of environmental and community

commitments, the execution of monitoring programs and management measures, the

timing and progression of permitting activities, and the Company's ongoing engagement

with local communities, public authorities and other stakeholders. Forward-looking

information is based on a number of assumptions and is subject to a number of risks and

uncertainties, many of which are beyond the Company's control. Such risks and

uncertainties include, but are not limited to risks related to operating in a foreign

jurisdiction, including political and economic problems in Chile and Brazil; risks related to

changes to mining laws and regulations and the termination or non-renewal of mining

rights by governmental authorities; risks related to failure to comply with the law or obtain

necessary permits and licenses or renew them; compliance with environmental

regulations can be costly; dependence on relations and agreements with local

communities; actual production, capital and operating costs may be di\erent than those

anticipated; the Company may not be able to successfully complete the development,

construction and start-up of mines and new development projects; risks related to

fluctuation in commodity prices; risks related to mining operations; and dependence on

the Penco Module and/or the Carina Project. Aclara cautions that the foregoing list of

factors is not exhaustive. For a detailed discussion of the foregoing factors, among others,

please refer to the risk factors discussed under "Risk Factors" in the Company's annual

information form dated as of March 18, 2026, filed on the Company's SEDAR+ profile.

Actual results and timing could di\er materially from those projected herein. Unless

otherwise noted or the context otherwise indicates, the forward-looking information

contained in this press release is provided as of the date of this press release and the

Company does not undertake any obligation to update such forward-looking information,

whether as a result of new information, future events or otherwise, except as expressly

required under applicable securities laws.

For further information, please contact:

Ramon Barúa

Chief Executive O\icer

[email protected]

Media Inquiries

Nancy Thompson

[email protected]

SOURCE: Aclara Resources Inc.