Highlights
Major intersection of 204.25 m grading 2.05% ZnEq (0.48 g/t AuEq) (from 553.90 m to 758.15 m) in extension hole TOM-25-011EXT, underscoring the scale of the mineralized system within the Berrigan Deep Zone, including:
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31.31% ZnEq (7.38 g/t AuEq) over 2.40 m (from 554.40 m to 556.80 m)
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5.93% ZnEq (1.38 g/t AuEq) over 4.60 m (from 681.55 m to 686.15 m)
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5.90% ZnEq (1.38 g/t AuEq) over 7.45 m (from 697.05 m to 704.50 m)
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4.62% ZnEq (1.08 g/t AuEq) over 14.40 m (from 591.00 m to 605.40 m)
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Additional high-grade intersections: Prior to reaching the Berrigan Deep Zone, the hole extension also intersected a zone grading 3.02% ZnEq over 12.45 m (from 498.30 m to 510.75 m), including 16.23% ZnEq over 1.40 m. In addition, the original hole TOM-25-011 had previously identified several higher-level zones of interest, including 14.14% ZnEq over 2.00 m (from 307.50 m to 309.50 m).
Results pending for holes TOM-25-009EXT, TOM-25-010EXT, TOM-25-012EXT and TOM-25-013EXT: Mineralization was consistently observed in drill core recovered from the four other extension holes, for which assay results are pending.
Geological model validation: These results confirm the vertical continuity of the Berrigan Mine Project's polymetallic hydrothermal system and validate the modeled extensions at depth. Preliminary 3D model viewer: https://www.mininghub.com/3d/v/4zxSrVUh.
MONTRÉAL, June 30, 2026--(BUSINESS WIRE)--TOMAGOLD CORPORATION (TSXV: LOT; OTCPK: TOGOF) ("TomaGold" or the "Company") is pleased to announce assay results from the first of five extension holes, TOM-25-011EXT, completed as part of Phase 2 of its drilling program at the Berrigan Mine Project, located in the Chibougamau Mining Camp of Québec. The extension of hole TOM-25-011 was designed to test modeled conductive plates at depth within the Berrigan Deep Zone. The hole, which reached a final depth of 834.70 m, intersected a 204.25 m mineralized envelope (see Figures 1 and 2), as well as several gold- and zinc-rich lenses within the broader mineralized structure.
David Grondin, President and CEO of TomaGold, said: "The extension of hole TOM-25-011EXT, which intersected 2.05% ZnEq (0.48 g/t AuEq) over 204.25 m (including 31.31% ZnEq over 2.40 m), has confirmed the continuity and extent of the Berrigan Deep mineralized system following its discovery by hole TOM-25-015 in December last year, which returned 5.08% ZnEq (1.19 g/t AuEq) over 98.50 m (including 23.20% ZnEq over 4.90 m). The interception of a mineralized envelope spanning more than 224 metres underscores the scale of this hydrothermal system. Beyond the high-grade zones already delineated in its upper portion, this broad mineralized interval at depth demonstrates the persistence of mineralization and increases our confidence in the system's potential for further expansion. These results support the continuation of exploration, drilling and geological modelling activities across the project."