XXIX.V · 2025-09-30 12:00:00

XXIX to Begin 6,000-Metre Drill Program at High-Grade Cooke Gold Zone at Opemiska

Exploration Programs

XXIX to Begin 6,000-Metre Drill Program at

High-Grade Cooke Gold Zone at Opemiska

Highlights:

6,000-metre drill program primarily focused on the Cooke Gold Zone to commence October 2025.

Cooke, a former Falconbridge gold mine, produced 1.97 Mt @ 5.04 g/t Au and 0.66% Cu

Cooke is 3km from current pit constrained resource, and not included in the current resource.

Up to 250 metres of intact crown pillar provide potential for high-grade, near-surface gold.

First systematic drill program at Cooke since closure, leveraging Falconbridge's extensive

database.

Drilling could significantly expand Opemiska's current gold inventory, consisting of 62,706 kt @

0.31 g/t Au (634 Koz, Indicated Resources) and 78,485 kt @ 0.17 g/t Au (419 Koz, Inferred

Resources).

Toronto, Ontario--(Newsfile Corp. - September 30, 2025) - XXIX Metal Corp. (TSXV: XXIX) (OTCQB:

QCCUF) (FSE: 5LW0) ("

XXIX

" or the "Company") is pleased to announce an up to 34 hole, 6,000-

metre drill program on its Cooke gold zone at its Opemiska copper project. XXIX anticipates drill

mobilization on or around October 20, 2025.

Cooke is one of the four former underground mines historically operated by Falconbridge at Opemiska.

Unlike Springer and Perry, which were primarily copper mines with gold content forming XXIX's current

resource, Cooke was a gold mine with copper by-product credits. This upcoming campaign represents

the first systematic drill program at Cooke since mine closure, providing an opportunity to expand

Opemiska's gold inventory beyond its existing 62,706 kt @ 0.31 g/t Au (634 Koz, Indicated Resources)

and 78,485 kt @ 0.17 g/t Au (419 Koz, Inferred Resources) of defined open pit resources.

The primary objective of this drill campaign is to define near-surface gold and copper resources that

could be accretive to the broader Opemiska project. Given the proximity of the target area and our

strong understanding of the geology, supported by the extensive Falconbridge database the Company

inherited along with subsequent compilation and reinterpretation work, this program is designed to

leverage that knowledge. Through this drill program, XXIX will focus on testing near-surface

mineralization, particularly from the crown pillar, to outline resources that could enhance the potential of

any future operation at Opemiska.

Cooke Gold Zone

XXIX has planned up to ~23 holes (4,500 metres) at Cooke, with the remaining holes allocated to the

Chibougamau Copper Zone, located 500 metres north of Cooke, to determine the potential for a near-

surface resource that could complement Opemiska's existing resource base.

Cooke was a past-producing underground mine with two parallel gold structures that have not been

mined to surface-similar to that of Springer and Perry-the two zones (past-producing mines) that

comprise Opemiska's current resource. Historically, Cooke produced 1.97 million tonnes grading 5.04

g/t gold and 0.66% Copper

. Cooke has ~250 metres of crown pillar intact, increasing the potential for

high-grade near-surface gold mineralization.

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. A June 2025 resource update reported a pit constrained resource of 62.7 million tonnes

at 1.04% CuEq (Indicated) and 78.4 million tonnes at 0.41% CuEq (Inferred) (see XXIX news release

dated June 3, 2025), with its clean concentrates not yet allocated. The Thierry Project hosts the K1 (near-

surface) and K2 (underground & surface) zones, with significant infrastructure in place, including an all-

season road, an airport within 5km, a provincial power grid within 8km, 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 developers.

QP Statement

The technical information contained in this news release has been reviewed and approved by Denis

McNichols, P.Geo and géo., Vice President Exploration for XXIX Metal, a Qualified Person, as defined

in "National Instrument 43-101, Standards of Disclosure for Mineral Projects.

For further information, please contact:

Guy Le Bel, Chief Executive Officer

Phone: 514.654.8550

Email:

[email protected]

Forward-Looking Statements

This news release contains certain forward-looking statements, including statements about the

Company's belief that Opemiska has potential for continued growth, any anticipated timelines for the

completion of a Preliminary Economic Assessment at Opemiska, various cost, price and production

assumptions used to inform the Mineral Resource Estimate cut-off grade, and outstanding risk factors,

including Opemiska's Proximity to the Town of Chapais, Historical Assay validation, Geotechnical

considerations of open stopes in the eastern pit wall, the Venture sill, the Gwillim fault, host rock

competency and Historical Stope Modeling. Wherever possible, words such as "may", "will", "should",

"could", "expect", "plan", "intend", "anticipate", "believe", "estimate", "predict" or "potential" or the

negative or other variations of these words, or similar words or phrases, have been used to identify

these forward-looking statements. These statements reflect management's current beliefs and are

based on information currently available to management as at the date hereof.

Forward-looking statements involve significant risk, uncertainties and assumptions. Many factors could

cause actual results, performance or achievements to differ materially from the results discussed or

implied in the forward-looking statements. Such factors include, among other things: risks related to

uncertainties inherent in drill results and the estimation of mineral resources; and risks associated with

executing the Company's plans and intentions. These factors should be considered carefully, and

readers should not place undue reliance on the forward-looking statements. Although the forward-looking

statements contained in this news release are based upon what management believes to be reasonable

assumptions, the Company cannot assure readers that actual results will be consistent with these

forward-looking statements. These forward-looking statements are made as of the date of this news

release, and the Company assumes no obligation to update or revise them to reflect new events or

circumstances, except as required by law.

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the

policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this

news release.

Morin, R. DV90-01, Energie et Ressources Naturelle Québec, Edition L. Blais-Leroux, p. 75

To view the source version of this press release, please visit

https://www.newsfilecorp.com/release/268445

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