Mr. Tom Drivas reports

APPIA ANNOUNCES EXCEPTIONAL OVERLIMIT TOTAL RARE EARTH OXIDE (TREO) RESULTS FROM ITS DIAMOND DRILLING PROGRAM AT PCH PROJECT IN GOIAS, BRAZIL

Appia Rare Earths & Uranium Corp. has released geochemical overlimit assay results of its diamond drilling program on the high-grade carbonatitic breccia located on the PCH project in the state of Goias, Brazil. The three drill holes intercepted substantial total rare-earth oxide (TREO), niobium oxide (Nb2O5) and phosphate oxide (P2O5) from the brecciated carbonatite intrusion identified in the Southwest extension zone of Target IV. A total 97 intervals from the total of 516 presented samples resulted with overlimit readings for La (lanthanum), and/or Ce (cerium), and/or Pr (praseodymium), and/or Nd (neodymium) and/or Nb (niobium). The PCH project hosts two distinct styles of mineralization -- ionic adsorption clay (IAC) as well as hard rock carbonatitic breccia.

Tom Drivas, chief executive officer, stated: "Today's reassayed overlimit results further support the presence of an extraordinary, high-grade mineralization found within a carbonatitic breccia zone located at the Southwest extension zone of Target IV at the PCH project, and this is in addition to significant IAC rare-earths mineralization with good TREO results and excellent desorption and kinetics. The original results reported on Jan. 22, 2025, highlighted that the high-grade rare-earths mineralization was from top to bottom of each of the three drill holes, and today's results increase the average TREO grades by 19 per cent and the average niobium grades by 23 per cent from the original values reported. (Click [the link available in the original version of this news release] for Jan. 22, 2025, press release). The results from the diamond drill holes are exceptional and would rank second, third and fourth on the list of the best intercepts of the past year when compared to the recently reported results by MinerDeck, which highlighted the top REE intercepts of 2024. (Please click [the link available in the original version of this news release])."

Highlights:

• PCH-DDH-002
  • 150 metres at 1.34 per cent TREO (total rare earth oxide), 0.13 per cent Nb2O5 (dinitrogen pentoxide) from surface:
    • Including 10 m at 4.11 per cent TREO, 0.23 per cent Nb2O5 from 37 m;
    • Including 10 m at 2.24 per cent TREO, 0.17 per cent Nb2O5 from 91 m;
    • Including six m at 3.94 per cent TREO, 0.22 per cent Nb2O5 from 144 m.
• PCH-DDH-003
  • 147 m at 2.00 per cent TREO, 0.23 per cent Nb2O5 from surface:
    • Including 31 m at 3.60 per cent TREO, 0.52 per cent Nb2O5 from three m;
    • Including eight m at 3.68 per cent TREO, 0.31 per cent Nb2O5 from 47 m;
    • Including nine m at 2.35 per cent TREO, 0.11 per cent Nb2O5 from 117 m.
• PCH-DDH-004
  • 153 m at 1.32 per cent TREO, 0.20 per cent Nb2O5 from surface:
    • Including nine m at 3.01 per cent TREO 0,26 per cent Nb2O5 from 11 m;
    • Including 10 m at 5.68 per cent TREO, 0.44 per cent Nb2O5 from 42 m;
    • Including 22 m at 1.13 per cent TREO 0.44 per cent Nb2O5 from 138 m.
• Increases the average TREO grades by 19 per cent and average niobium grades by 23 per cent from the original values reported;
• A total 97 intervals from the total of 516 presented samples resulted with overlimit readings for La, and/or Ce, and/or Pr, and/or Nd and/or Nb;
• All three diamond drill holes (DDH) ended in mineralization indicating a potential to extend the zone at depth, northeast, northwest and southwest;
• The PCH project has two distinct styles of mineralization -- ionic adsorption clay (IAC) as well as hard rock carbonititic breccia. Recent results from the IAC zone can be found by clicking the link available in the original version of this news release.
• The full set of results are available through a link available in the original version of this news release. The diamond drill hole co-ordinates are available using this a link available in the original version of this news release].

The location of the PCH project is extremely favourable with easy access to road and power infrastructure, and the company enjoys a very friendly and supportive relationship with the local cattle farming community.

QA/QC (quality assurance/quality control)

Drill holes are inclined and reported intervals are apparent thickness. The material produced from the diamond drill holes are sampled at one metre intervals splitting the core in half, resulting in average sample sizes of two to three kilograms. The other half core is kept in storage for further tests. The original core was logged and photographed.

The bagged samples are sent to the ALS laboratory in Goiania, Goias, for initial preparation and sent to Lima, Peru, for final analysis. In addition to the internal QA/QC of the ALS Lab, Appia includes its own control samples in each batch of samples sent to the laboratory.

Quality control samples, such as blanks, duplicates and standards (CRM), were inserted into each analytical run. For all analysis methods, the minimum number of QA/QC samples is three standards, one duplicate and one blank, introduced in each batch. Several batches were used to comprises the full-length hole. The rigorous procedures are implemented during the sample collection, preparation and analytical stages to insure the robustness and reliability of the analytical results.

All analytical results reported herein have passed internal QA/QC review and compilation. All assay results of DDH samples were provided by ALS, a certified laboratory, which performed their measure of the concentration of rare-earth elements (REE) with the ME-MS81 analytical method that uses lithium borate fusion prior acid dissolution and inductively coupled plasma mass spectrometry (ICP-MS). Major element oxides were done using ME_ICP06 analytical method using lithium borate fusion and inductively coupled plasma atomic emission spectroscopy (ICP-AES). Au (gold), Pt (platinum) and Pd (palladium) samples were analyzed using the fire assay method PGM-ICP27. Desorption analysis with ME-MS19 analytical method was executed for the initial 35 metres of each drill holes with samples being leached with a solution of ammonium sulphate at 0.5 molar, pH 4, room temperature for 20 minutes. The leached solution content was analysed using ICP-AES/ICP-MS (see news release dated Jan. 22, 2025, for details of these results).

The technical information in this news release, including the information related to geology, drilling and mineralization, has been reviewed and approved by Don Hains, PGeo, a consultant to Appia. Mr. Hains is registered geoscientist (PGeo) in Ontario (No. 0494) and a qualified person (QP) as defined by National Instrument 43-101 -- Standards of Disclosure for Mineral Projects.

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, press release), which is 42,932.24 hectares in size and located within Goias state, Brazil (see Jan. 11, 2024, press release). The company is also focused 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.

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