PMET Resources Inc.: Wide, High-Grade Lithium Intercepts at Vega Zone, and New High-Grade Discovery at CV13

Press Release

January 21, 2026

Highlights

• Wide and high-grade lithium intercepts fromVega Zone infill drilling:
  • 55.0 m at 2.58% Li₂O including 29.9 m at 4.11% Li₂O (CV25-1006).
  • 24.7 m at 4.00% Li₂O including 7.0 m at 6.04% Li₂O (CV25-1017A).
  • 31.2 m at 2.07% Li₂O including 1.1 m at 7.32% Li₂O (CV25-1023).
  • 20.6 m at 3.31% Li₂O including 8.8 m at 5.02% Li₂O (CV25-1024).
  • 49.7 m at 2.08% Li₂O including 4.0 m at 5.16% Li₂O (CV25-1016).
  • 40.1 m at 1.97% Li₂O including 9.3 m at 3.66% Li₂O (CV25-948).
  • 22.1 m at 2.31% Li₂O including 9.0 m at 4.18% Li₂O (CV25-1010).
• New high-grade, near surface lithium-tantalum zone discovered (“Helios”) at the CV13 Pegmatite:
  • 8.8 m at 2.97% Li₂O including 5.4 m at 4.60% Li₂O (CV25-984).
  • 6.4 m at 2.61% Li₂O including 4.1 m at 3.94% Li₂O (CV25-977).
  • 18.4 m at 1.19% Li₂O including 6.9 m at 2.49% Li₂O (CV25-986).
• High-grade lithium intercepts from Rigel Zone infill drilling:
  • 11.5 m at 2.87% Li₂O including 6.9 m at 4.40% Li₂O (CV25-919).
  • 15.0 m at 1.15% Li₂O including 7.9 m at 2.15% Li₂O (CV25-913).
• Additional well-mineralized lithium drill intercepts at the CV4 Pegmatite:
  • 15.0 m at 1.07% Li₂O (CV25-985).
  • 12.0 m at 1.42% Li₂O (CV25-1002B).
  • 7.0 m at 2.00% Li₂O (CV25-961A).
• A total of 57,024 m (245 holes) of diamond drilling was completed in 2025 with results for lithium and tantalum for the remaining 15,081 m (72 holes) reported in this announcement:
  • Core assay results for caesium are pending for CV13 with overlimit[1] analysis triggered for multiple holes, including the newly discovered Helios Zone.

Darren L. Smith, Executive Vice President Exploration, comments: “This batch of results from the 2025 drill campaign at Shaakichiuwaanaan include the best lithium intercepts reported to date from the high-grade Vega Zone and from the Property overall. The abundance of spodumene mineralization in these drill holes at Vega is among the strongest to have ever been reported globally. Moreover, discoveries beyond Vega continue to be made with the identification of a new high-grade lithium zone (“Helios”) at CV13.”

“Results for caesium, including multiple holes with overlimits triggered, are pending. We eagerly await these final assays and will announce results once they have all been received and compiled,” added Mr. Smith.

PMET Resources Inc. (the “Company” or “PMET”) (TSX: PMET) (ASX: PMT) (OTCQX: PMETF) (FSE: R9GA) is pleased to announce lithium and tantalum assay results for all remaining holes from its extensive 2025 drill campaign at the Company’s wholly-owned Shaakichiuwaanaan Property (the “Property” or “Project”), located in the Eeyou Istchee James Bay region of Quebec.

The Property hosts one of the largest pegmatite Mineral Resources[1] (Li, Cs, Ta) and Mineral Reserves[2] (Li) in the world, situated approximately 13 km south of the regional Trans-Taiga Road and powerline infrastructure corridor, and is accessible year-round by road. The Company recently announced a robust lithium-only Feasibility Study for the CV5 Pegmatite, which outlined the Project as a potential North American critical mineral powerhouse (see news release dated October 20, 2025).

The 2025 drill campaign at the Property was expansive in nature and included testing of multiple Li-Cs-Ta (“LCT”) pegmatite prospects (CV4, CV8, CV12), step-out drilling at CV5 and CV13, infill drilling at CV13, as well as sterilization (i.e., condemnation) and geomechanical drilling in support of the development at CV5 and CV13, respectively. Over the course of the campaign, which was concluded in October, a total of 57,024 m (245 holes) of diamond drilling was completed, of which, results for 41,943 m (173 holes) were reported in news release dated December 14, 2025.

Lithium and tantalum results for the remaining 15,081 m (72 holes) are reported in this announcement (see Figure 1, Figure 3, Figure 6, and Figure 7, and Table 1 through Table 4). Core assay results for caesium remain to be reported for the CV13 Pegmatite with overlimit¹ analysis triggered for multiple holes, including the newly discovered Helios Zone.

[1] Assay results exceed the upper detection limit (10,000 ppm Cs) of the base analytical package and require subsequent overlimit analysis using a different analytical package to determine the Cs grade. Overlimit analysis will be reported once received and compiled.

[2]The Consolidated MRE (CV5 + CV13 pegmatites), which includes the Rigel and Vega caesium zones, totals 108.0 Mt at 1.40% Li₂O, 0.11% Cs₂O, 166 ppm Ta₂O₅, and 66 ppm Ga, Indicated, and 33.4 Mt at 1.33% Li₂O, 0.21% Cs₂O, 155 ppm Ta₂O₅, and 65 ppm Ga, Inferred, and is reported at a cut-off grade of 0.40% Li₂O (open-pit), 0.60% Li₂O (underground CV5), and 0.70% Li₂O (underground CV13). A grade constraint of 0.50% Cs₂O was used to model the Rigel and Vega caesium zones. Effective Date is June 20, 2025 (through CV24-787). Mineral Resources are not Mineral Reserves as they do not have demonstrated economic viability. Mineral Resources are inclusive of Mineral Reserves.

[3] Probable Mineral Reserve of 84.3 Mt at 1.26% Li₂O at the CV5 Pegmatite with a cut-off grade is 0.40% Li₂O (open-pit) and 0.70% Li₂O (underground). Underground development and open-pit marginal tonnage containing material above 0.37% Li₂O are also included in the statement. The Effective Date is September 11, 2025. See Feasibility Study news release dated October 20, 2025.

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