Mr. Guy Le Bel reports

XXIX CONFIRMS THIERRY'S GROWTH POTENTIAL WITH FIRST SYSTEMATIC IP

XXIX Metal Corp. has completed a 73.5-line-kilometre induced polarization (IP) survey at the Thierry project, the first, systematic and detailed IP survey on the property. IP surveying is an important tool in defining geology, mapping subsurface mineralization and guiding drilling priorities.

Highlights:

• 73.5 line km IP survey -- completed the first large-scale, systematic survey at Thierry;
• Strong IP anomalies detected between K1 and K2, east of K1, and west of K2;
• Anomalies indicate potential sulphide mineralization between K1 and K2;
• Broad conductive corridors suggest district-scale exploration targets;
• Nearing completion of full K2 database reinterpretation; leveraging 210,000 metres of drilling data;
• Thierry positioned for an active 2026 exploration season.

Multiple anomalies identified at K1 and K2

Between K1 and K2 (grids East and L), a wide anomaly extends for more than 2.5 km along a contact between geophysical domains, highlighting multiple new drill targets. This anomaly represents an area of potential sulphide accumulation between the K1 and K2 deposits.

East of K1 (Grids E and K), the survey outlined a broad, highly conductive corridor spanning greater than 6.5 km, supporting a district-scale target trend.

West of K2 (Grid West), a wide conductive horizon was mapped over approximately 1.5 km and remains open at both ends -- highlighting the potential for additional targets. This area has not been tested previously.

Details of the IP survey

XXIX completed 73.5 line km of IP surveying over three grids (E, K and L) to advance target definition along the broader Thierry trend.

Results from the IP survey were processed and interpreted together with 25.6 line km of historical IP surveys completed in 2011, ultimately generating unique project-scale IP interpretation maps leading to new exploration targets along the Thierry trend.

Positioned for an active 2026 exploration season

Given the strong anomalies generated by the IP survey, Thierry is positioned for an active 2026 exploration season, where the company intends on advancing its understanding of the Thierry property and the potential connection of K1 and K2, while honing in on high-potential targets generated for follow-up drill testing.

Thierry's database validation and reintrepretations

XXIX is also nearing completion of a full database validation and reinterpretation of the K2 deposit, following the same proven process used for the K1 and the Opemiska deposits. Thierry's database contains over 210,000 metres of drilling, making it an exceptionally valuable resource. The company emphasizes its deep expertise in database management and geological reinterpretation, which will allow for more precise targeting and better-informed exploration decisions.

QP statement

The technical information contained in this news release has been reviewed and approved by Denis McNichols, PGeo, and Geo, vice-president, exploration, for XXIX Metal, a qualified person, as defined in National Instrument 43-101 -- Standards of Disclosure for Mineral Projects.

About XXIX Metal Corp.

XXIX is advancing its Opemiska and Thierry copper projects, two significant Canadian copper assets. The Opemiska project, one of Canada's highest-grade open pitable copper deposits, spans 21,333 hectares in Quebec's Chapais-Chibougamau region, with strong infrastructure and nearby access to the Horne smelter. An October, 2025, preliminary economic assessment outlined a 12,500-tonne-per-day open pit operation over a 17-year mine life, generating an after-tax NPV 8 per cent (net present value, 8-per-cent discount rate) of $505-million, IRR (internal rate of return) of 27.2 per cent and a 2.3-year payback period ($4.35/pound copper price, $3,000/oz gold price, $30/oz silver price). The Thierry project hosts the K1 (near-surface) and the past-producing K2 (underground and surface) zones (see XXIX news release dated Oct. 1, 2024, for details regarding resources). Thierry has significant infrastructure in place including an all-season road, an airport within five kilometres, a provincial power grid within eight km and nearby rail. With these two high-potential projects, the company has solidified its position as a key player in the Canadian copper sector and has established itself as one of Eastern Canada's largest copper developer.

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