Toronto, Ontario--(Newsfile Corp. - October 1, 2025) - Appia Rare Earths & Uranium Corp. (CSE:API) (OTCQB:APAAF) (FSE: A0I0) (MUN: A0I0) (BER: A0I0) (the "Company" or "Appia") is pleased to announce that further to its press releases dated September 2, 2025 and September 23, 2025, due diligence by Ultra Rare Earth Inc. ("Ultra) has been satisfactorily completed, in connection with the binding term sheet dated August 29, 2025 (the "Binding Term Sheet") between the Company, Beko Invest Ltd. ("Beko"), Antonio Vitor Junior ("Antonio") and Ultra. Pursuant to the Binding Term Sheet, Ultra will acquire a 50% interest in Appia Brasil Rare Earths Mineracao Ltda ("Appia Brasil"), the Brazilian company that holds the PCH Project (the "Property") located in the Tocantins Structural Province of the Brasília Fold Belt, Goiás State, Brazil, (the "Transaction").

The Transaction will now proceed and Ultra shall have until the close of business on October 15, 2025 to deliver notice to Appia, Antonio and Beko that it intends to close the Transaction. Additionally, one of the terms of the Transaction requires Ultra to invest US $2 Million into an Appia unit private placement comprising of 5,520,000 units priced at $0.50 (Cdn) per unit (based upon a US$ to Cdn$ exchange rate of $1.38) with each unit consisting of one common share, priced at $0.50 (Cdn), and one half of a warrant, with each full warrant exercisable at $0.70 (Cdn) for 24 months. The funds will be used by Appia for general working capital. See the September 2, 2025, press release for a full list of the terms applicable to the Transaction.

About Appia Rare Earths & Uranium Corp.

Appia is a publicly traded Canadian company in the rare earth element and uranium sectors. The Company holds the right to acquire up to a 70% interest in the PCH Ionic Adsorption Clay Project (See June 9^th, 2023 Press Release - Click HERE) which is 42,932.24 ha. in size and located within the Goiás State of Brazil. (See January 11^th, 2024 Press Release - Click HERE) The Company is also focusing on delineating high-grade critical rare earth elements and gallium on the Alces Lake property, and exploring for high-grade uranium in the prolific Athabasca Basin on its Otherside, Loranger, North Wollaston, and Eastside properties. The Company holds the surface rights to exploration for 94,982.39 hectares (234,706.59 acres) in Saskatchewan. The Company also has a 100% interest in 13,008 hectares (32,143 acres), with rare earth elements and uranium deposits over five mineralized zones in the Elliot Lake Camp, Ontario.

Appia has 168.5 million common shares outstanding, 207 million shares fully diluted.

Cautionary note regarding forward-looking statements: This News Release contains forward-looking statements which are typically preceded by, followed by or including the words "believes", "expects", "anticipates", "estimates", "intends", "plans" or similar expressions. Forward-looking statements are not a guarantee of future performance as they involve risks, uncertainties and assumptions. We do not intend and do not assume any obligation to update these forward-looking statements and shareholders are cautioned not to put undue reliance on such statements.

Neither the Canadian Securities Exchange nor its Market Regulator (as that term is defined in the policies of the CSE) accepts responsibility for the adequacy or accuracy of this release.

For more information, visit www.appiareu.com.

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Contact:

Tom Drivas, CEO and Director
(c) (416) 876-3957
(e) tdrivas@appiareu.com

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Appia Announces Next Stage of Transaction in PCH REE Project