Mr. Paul Smith reports

HORIZONTE MINERALS PLC ANNOUNCES APPOINTMENT OF NICHOLAS MICHAEL TO THE BOARD

Horizonte Minerals PLC has appointed Nicholas (Nick) Michael as a non-executive director of the company with immediate effect.

Paul smith, chair of the board, said: "I am delighted to welcome Nick to Horizonte's board. He brings considerable experience within the mining industry, particularly in technical diligence and engineering. We will be drawing on this extensive knowledge as Horizonte continues its review of the outstanding capital expenditure and schedule for the Araguaia project, in addition to capitalizing on his skills as we progress discussions with our cornerstone shareholders and senior lenders as part of a full funding solution for the project."

About Mr. Michael

Mr. Michael has over 37 years of experience in the mining industry, including ferronickel in Brazil, as a successful technical director, having retired from Orion Resource Partners in 2023, where he held the position of vice-president, technical services. Mr. Michael has been involved in the design and construction process, technical diligence, and has acted as an independent engineer (for investors) across multiple mines globally.

Mr. Michael holds a bachelor of science in mining and extractive metallurgy from the Colorado School of Mines and an MBA from Willamette University, Oregon, and is a registered member of the Society for Mining, Metallurgy & Exploration.

On appointment, Mr. Michael is not considered to be an independent director of the company for the purposes of the QCA corporate governance code by reason of him representing a significant shareholder of the company, Orion Resource Partners.

About Horizonte Minerals PLC

Horizonte is developing two 100-per-cent-owned, Tier 1 projects in Para state, Brazil -- the Araguaia nickel project and the Vermelho nickel-cobalt project. Both projects are high grade and low cost, have low carbon emission intensities, and are scalable. Araguaia is under construction and, when fully ramped up with both Line 1 and Line 2, is forecast to produce 29,000 tonnes of nickel per year. Vermelho is at feasibility study stage. Horizonte's combined production profile of over 60,000 tonnes of nickel per year positions the company as a globally significant nickel producer. Horizonte's top three shareholders are La Mancha Investments, Glencore and Orion Mine Finance.

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