Mr. Tom Drivas reports

APPIA ANNOUNCES ENGAGEMENT OF MARKETING FIRM AKTIENCHECK.DE AG AND UPDATES FOR NON-BROKERED PRIVATE PLACEMENT AND PCH TRANSACTION

Appia Rare Earths & Uranium Corp. has signed an agreement for a three-month European advertising and investor awareness campaign with Aktiencheck.de AG and its principal, Stefan Lindam, both arm's-length parties to the company. Based in Bad Marienberg, Germany, Aktiencheck.de will provide up to five editorial write-ups, stand-alone e-mail marketing campaign distribution of the editorial write-ups to opt-in e-mail addresses of active investors, targeted distribution of the editorial reports to active investors, distribution of the editorial write-ups via social media to active financial investors, and distribution of the editorial write-ups via the aktiencheck.de website.

The campaign is anticipated to commence on Oct. 20, 2025, and will run for up to three months. The cost of the campaign is 25,000 euros, the equivalent of approximately $41,000 (Canadian) at current exchange rates. No shares or options are issuable to Aktiencheck.de or its principal as part of this engagement.

The principal of Aktiencheck.de is Mr. Lindam, of Bahnhofstrasse 6, 56470 Bad Marienberg, Deutschland. Mr. Lindam's e-mail is stefan.lindam@aktiencheck.de and the main contact number is 49-2661-9890020. Aktiencheck.de and its principal have no present interest, directly or indirectly, in Appia or its securities, and no right or intent to acquire such an interest.

The company also wishes to announce that further to its news release of Oct. 2, 2025, its non-brokered private placement of working capital (WC) units of the company at a price of 18.5 cents per WC unit will remain open for a further closing of up to 3,968,648 WC units on or before Oct. 24, 2025.

Each WC unit consists of one common share of the company, priced at 18.5 cents per common share and one-half of a common share purchase warrant. Each full warrant entitles the holder to purchase one common share at a price of 30 cents per WC warrant share until the earlier of: (i) two years from closing of the offering; and (ii) in the event that the closing price of the common shares on the Canadian Securities Exchange is at least 40 cents for 10 consecutive trading days and the 10th trading day is at least four months from the closing, the date that is 30 days from the final trading day.

Additionally, the company wishes to announce that further to its news releases of Sept. 2, 2025, Sept. 23, 2025, Oct. 1, 2025, and Oct. 2, 2025, Ultra Rare Earth Inc. is proceeding with the transactions contemplated by the binding term sheet dated Aug. 29, 2025, between the company, Beko Invest Ltd., Antonio Vitor Jr. and Ultra. On completion of the transaction, Ultra will acquire a 50-per-cent interest in Appia Brasil Rare Earths Mineracao Ltda., the Brazilian company that holds the PCH project, located in the Tocantins structural province of the Brasilia Fold belt, Goias state, Brazil.

Pursuant to the binding term sheet, Ultra shall have until the close of business on Oct. 15, 2025, to deliver notice to Appia, Mr. Vitor and Beko that it intends to close the transaction. One of the terms of the transaction requires Ultra to invest $2-million (U.S.) into an Appia unit private placement comprising 5.52 million units priced at 50 Canadian cents per unit (based upon a U.S.-dollar-to-Canadian-dollar exchange rate of $1.38), with each unit consisting of one common share, priced at 50 Canadian cents, and one-half of a warrant, with each full warrant exercisable at 70 Canadian cents for 24 months. The funds will be used by Appia for general working capital. See the Sept. 2, 2025, news 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-per-cent interest in the PCH ionic adsorption clay project (see June 9, 2023, news release), which is 42,932.24 hectares in size and located within the Goias state of Brazil (see Jan. 11, 2024, news release). 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-per-cent 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 170 million common shares outstanding, 210 million shares fully diluted.

We seek Safe Harbor.