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ARA.TO ·

Aclara Announces Appointment of New Director

Financings Management Changes

ACLARA ANNOUNCES APPOINTMENT OF NEW DIRECTOR

TORONTO, ON, March 13, 2025 – Aclara Resources Inc. (“Aclara” or the “Company”) (TSX: ARA) is pleased

to announce the appointment of Juan Enrique Rassmuss to Aclara’s board of directors (the “ Board”), as a

nominee of CAP S.A. (“CAP”), following a unanimous approval by the members of the Board.

The appointment of Mr. Rassmuss follows the recent completion of a private placement to certain investors,

including CAP , at a price of C$0.70 per common share representing a 41% premium over the closing price

prior to the announcement on the Toronto Stock Exchange (the “Private Placement”). CAP currently holds

22,163,143 common shares representing 10.18% of the Company’s issued and outstanding common shares

and has signed with the Company an investor rights agreement (IRA), granting CAP certain rights, including

the ability to nominate one board member , subject to certain conditions being met. CAP’s recent investment

in the Company comes after CAP’s April 2024 investment of US$29.1 million in Aclara’s Chilean subsidiary

REE Uno, acquiring a 20% stake.

Eduardo Hochschild, Chairman of Aclara, commented: “We are very excited to welcome Juan Enrique to the

Aclara Board due to his extensive leadership experience, recognized international career, and expertise in key

sectors like mining, energy, and industry. His roles on the boards of major companies such as CAP S.A. and

Compañía Minera del Pacifico S.A., main producer of iron ores and pellets on the American Pacific coas t,

demonstrate his vision, strong leadership skills and understanding of complex industries. His involvement with

non-profit organizations like Endeavor Chile, Fundación Encuentros del Futuro and Fundación Rassmuss

highlights his commitment to sustainable development, education, and innovation , which also fully align with

Aclara. His contribution will be invaluable as Aclara aims to become an independent provider of a vertically

integrated supply chain for sustainable rare earths alloys used in permanent magnets."

Juan Enrique Rassmuss, president of CAP, added: “It is an honor for me to join Aclara's board of directors and

continue to deepen CAP’s commitment to rare earths, critical materials for decarbonization, hand in hand with a

leading group like Hochschild. We are confident that by working together we will continue to pursue our goal of

making the company an integrated producer of heavy rare earths”.

Mr. Rassmuss pursued his studies in Industrial Civil Engineering at the Pontifical Catholic University of Chile,

with a distinguished international career spanning Germany, Argentina, Brazil, Peru, and Paraguay. Since 2016,

he has led his family’s companies in the mining, energy, and industrial sectors, bringing his vision and

expertise to these fields. In December 2018, he became a member of the board of CAP, which he has chaired

since May 2023, and in November 2019, he joined the board of Compañía Minera del Pacífico ( “CMP”). In

addition to his business ventures, Mr . Rassmuss serves as an ambassador for Endeavor Chile, leading

community of high impact entrepreneurs in the world , driven by his passion for promoting entrepreneurship

as a catalyst for development. He is also a board member of Fundación Encuentros del Futuro, a non-profit

organization committed to making knowledge accessible through scientific dissemination, collaborating with

universities, the Chilean Academy of Sciences, and public and private sectors to influence public policies .

Furthermore, he is the director and founder of Fundación Rassmuss, where they implement comprehensive

solutions to issues in education and health, collaborating with strategic partners.

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 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 in crease future

production of heavy rare earths.

About CAP

CAP is an emblematic Chilean mining -industrial company, listed on the Santiago Stock Exchange, which has

been a key player in the country's business history for almost eighty years. With a national and international

presence, it has a diversified business portfolio, which it will continue to strengthen through the search for

new innovative and sustainable solutions in the long term. Its portfolio is currently focused on iron ore mining,

through CMP; on the development of industrialized and sustainable housi ng solutions, through Cintac,

Tupemesa and Promet; and on Infrastructure, through Aguas CAP , Tecnocap and Puerto Las Losas ,

encompassing desalination operations, port infrastructure, and electricity transmission.

Forward-Looking Statements

This news 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, among other things, the Compan y’s expectations as a result of changes to the Board of the

Directors. 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 unc ertainties

include, but are not limited to, the factors discussed under “Risk Factors” in the Company’s annual information

form dated as of March 22, 20234 filed on the Company’s SEDAR+ profile. Actual results, timing, performance,

achievements or future events or developments could differ materially from those expressed or implied

herein. Unless otherwise noted or the context otherwise indicates, the forward-looking information contained

in this news release is provided as of the date of this news 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 Officer

[email protected]