HORIZONTE ANNOUNCES FILING OF FINAL BASE SHELF PROSPECTUS

NOT FOR DISTRIBUTION TO U.S. NEWS WIRE SERVICES OR DISSEMINATION IN THE UNITED STATES

Horizonte Minerals Plc, (AIM: HZM, TSX: HZM) ("Horizonte" or "the Company") the nickel company focused in Brazil, is pleased to announce that it has filed and obtained a final receipt (the "Receipt") for a final base shelf prospectus dated October 29, 2021 (the "Prospectus") in each of the territories and provinces of Canada, other than Quebec.

The Prospectus enables Horizonte to qualify the distribution of up to C$125,000,000 of any combination of ordinary shares, warrants, subscription receipts, debt securities, and units during the 25-month period that the Prospectus remains effective. The specific terms of any future offerings of securities, including  the  use  of proceeds from any offering, will ‎be established in a prospectus supplement filed with the applicable Canadian regulatory authorities. The Prospectus provides flexibility to the Company to pursue its business objectives.

This news release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there  be  any  sale  of these  securities  in  any  jurisdiction  in  which  such  offer,  solicitation  or  sale would be unlawful prior to the registration or qualification under the securities laws of any such jurisdiction.

A copy of the Prospectus can be found on SEDAR at www.sedar.com.

For further information, visit www.horizonteminerals.com or contact:

About Horizonte Minerals:

Horizonte Minerals plc is an AIM and TSX-listed nickel development company focused in Brazil. The Company is developing the Araguaia project, as the next major ferronickel mine in Brazil, and the Vermelho nickel-cobalt project, with the aim of being able to supply nickel and cobalt to the EV battery market. Both projects are 100% owned.

CAUTIONARY STATEMENT REGARDING FORWARD LOOKING INFORMATION

Except for statements of historical fact relating to the Company, certain information contained in this press release constitutes "forward-looking information" under Canadian securities legislation. Forward-looking information includes, but is not limited to, statements with respect to how long the Prospectus  will  be  effective,  the  terms  of  any  future  offerings,  including  the  use  of  proceeds  from  any  offering,  being  set  forth  in  a  prospectus  supplement and the Prospectus providing flexibility to the Company to pursue its business objectives.   Generally, forward-looking information can be identified by the use of forward-looking terminology such as "plans", "expects" or "does not expect", "is expected", "budget", "scheduled", "estimates", "forecasts", "intends", "anticipates" or "does not anticipate", or "believes", or variations of such words and phrases or statements that certain actions, events or results "may", "could", "would", "might" or "will be taken", "occur" or "be achieved". Forward-looking information is based on the reasonable assumptions, estimates, analysis and opinions of management made in light of its experience and its perception of trends, current conditions and expected developments, as well as other factors that management believes to be relevant and reasonable in the circumstances at the date that such statements are made, and are inherently subject to known and unknown risks, uncertainties and other factors that may cause the actual results, level of activity, performance or achievements of the Company to be materially different from those expressed or implied by such forward-looking information, including but not limited to risks related to: exploration and mining risks, competition from competitors with greater capital; the Company's lack of experience with respect to development-stage mining operations; fluctuations in metal prices; uninsured risks; environmental and other regulatory requirements; exploration, mining and other licences; the Company's future payment obligations; potential disputes with respect to the Company's title to, and the area of, its mining concessions; the Company's dependence on its ability to obtain sufficient financing in the future; the Company's dependence on its relationships with third parties; the Company's joint ventures; the potential of currency fluctuations and political or economic instability in countries in which the Company operates; currency exchange fluctuations; the Company's ability to manage its growth effectively; the trading market for the ordinary shares of the Company; uncertainty with respect to the Company's plans to continue to develop its operations and new projects; the Company's dependence on key personnel; possible conflicts of interest of directors and officers of the Company, the inability of the Company to complete the Placing on the terms as described herein, and various risks associated with the legal and regulatory framework within which the Company operates. Although management of the Company has attempted to identify important factors that could cause actual results to differ materially from those contained in forward-looking information, there may be other factors that cause results not to be as anticipated, estimated or intended. There can be no assurance that such statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements.  The Company expressly disclaims any obligation or undertaking to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise unless required to do so by applicable law or regulation.

This announcement is not for publication or distribution, directly or indirectly, in or into the United States of America.  This announcement is not an offer of securities for sale into the United States.  The securities referred to herein have not been and will not be registered under the U.S. Securities Act of 1933, as amended, and may not be offered or sold in the United States, except pursuant to an applicable exemption from registration.  No public offering of securities is being made in the United States.