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Brixton Metals Commences 2026 Thorn Project Exploration Program

Exploration Programs

Brixton Metals Commences 2026 Thorn Project Exploration Program

VANCOUVER, British Columbia, June 11 , 2026 (GLOBE NEWSWIRE) - Brixton Metals

Corporation (TSX-V: BBB, OTCQX: BBBXF) (the “Company” or “Brixton”) is pleased to announce

that drilling has commenced on its fully funded 10,000-meter 2026 exploration program focused on

copper and gold at its wholly owned Thorn Project in northwestern British Columbia, Canada. The

Thorn Project is located approximately 90 km east-northeast of Juneau, Alaska, and 120 km west of

Dease Lake, British Columbia. Drilling activities commenced on June 1st; 249 meters in three holes

have been completed.

2026 Thorn Project Exploration Objectives

• Camp Creek : Expand the known near-surface high- sulphidation copper -gold-silver

mineralized zone by drilling to the north and south.

• Camp Creek: Complete an updated mineral resource estimate for the Camp Creek porphyry

(see news release dated October 29, 2014).

• Catalyst, Tempest, Sentinel, and Icy: Extend the known limits of mineralization.

• Trapper Gold Target: Advance a maiden resource through infill and step-out drilling.

• Camp Creek Corridor and East T argets: Use drone magnetic surveying, mapping, and soil

geochemistry to refine 2026 drill targets; the drone magnetic survey is 70% complete to date.

• Camp Creek and Trapper : Conduct geo -metallurgical testing to support mineral resource

updates.

Chairman, CEO, Gary R. Thompson stated, “We are excited to kick off another exploration season

at Thorn with an initial focus on Camp Creek, Catalyst, Tempest, Sentinel, and Trapper. This fully

funded program is designed to advance several priority targets through drilling, geophysics, and

fieldwork, while also supporting progress toward future mineral resource estimates at Camp Creek

and Trapper.”

Figure 1. Location of Targets at the Thorn Project with Copper Geochemistry.

2026 Program Overview

Brixton’s 2026 exploration plans at the Thorn Project are centered on advancing the Camp Creek

high-sulphidation gold system, the Catalyst and Tempest copper -gold porphyries, and the Sentinel

copper porphyry target through a fully funded 10,000-meter drill program and an ongoing 16-line-km

magnetic survey.

Camp Creek High-Sulphidation and Porphyry System

Initial drilling is focused on the Camp Creek porphyry -epithermal system, which includes a shallow

high-sulphidation gold zone and a deeper porphyry copper-gold-silver-molybdenum system (Figure

2). Shallow drilling in the high-sulphidation zone is evaluating the continuity, orientation, and controls

of mineralized structures identified through earlier drilling and surface work. This gold system

includes the Glenfiddich, Northside, and Talisker vein systems, as well as the Oban Breccia. The

2026 Camp Creek program is also intended to support a future mineral resource estimate for both

the high-sulphidation and porphyry parts of this kilometer-scale system.

Figure 2. Camp Creek conceptual model looking northeast, showing the mineralized porphyry at

depth, open in multiple directions, along with the near -surface 2026 high-sulphidation gold targets

and the copper-gold Oban breccia. Selected previously reported intervals are shown for each zone.

Catalyst and Tempest Copper-Gold Porphyry Systems

2026 drilling on Thorn will also focus on advancing the recently discovered Catalyst and Tempest

copper-gold porphyries (see news releases dated October 30, 2025 and December 01, 2025). Both

porphyry systems show intermittent copper and gold mineralization from surface to depths of more

than 500m (Figures 3 & 4). An IP survey performed in 2025 also delineates extensive km-wide high-

chargeability zones, which, together with a km -wide copper-in-soils footprint, suggest the potential

for extensive mineralized systems within this Northeast Trending Corridor, called the Camp Creek

Corridor (Figure 1).

Figure 3. Catalyst Plan View and Cross Section showing copper-gold mineralization, chargeability

as background and Cu-in-soils anomaly.

Figure 4. Tempest Plan View and Cross Section showing copper -gold mineralization, chargeability

as background.

Sentinel Copper Porphyry and the East Targets

The East Targets, including Sentinel, Icy, Val, and Bing, represent a growing cluster of copper-gold

porphyry targets in the eastern part of the Thorn Project (Figure 5). Sentinel is the most advanced

target within this group and is defined by a broad alteration footprint, porphyry -style stockwork

veining, and copper -molybdenum geochemical anomalies on surface . Rock sampling at Sentinel

returned up to 1.54% copper and 0.54% molybdenum, supporting its selection as a priority target for

follow-up drilling.

Icy and Bing exhibit alteration, mineralization, and structural characteristics consistent with porphyry

systems. Drilling at the Bing and Icy Targets was primarily conducted by Newmont Mining Corp in

1965 and 1966 (Figure 5). At Bing, drilling identified copper and molybdenum mineralization

associated with porphyry-style quartz veining and potassic alteration, with the strongest

mineralization hosted in quartz monzonite and feldspar porphyry. Three main alteration zones have

been identified, with copper values ranging from 1,000 to 30,000 ppm in localized areas. At Icy,

drilling and surface sampling encountered weak to moderate copper and molybdenum

mineralization, including disseminated pyrite and localized chalcopyrite and molybdenite associated

with quartz veins near feldspar biotite porphyry dykes and diorite contacts.

Collectively, the geological and geochemical data indicate a porphyry corridor with potential for

multiple porphyry centres. 2026 field programs of magnetic surveying, mapping, prospecting, and

geochemical sampling are progressing to constrain target geometry and support drill planning.

Note: The potential quantity and grade of the East Targets are conceptual. Insufficient exploration

has been completed to define a mineral resource, and there is no certainty that further exploration

will result in the target being delineated as a mineral resource.

Figure 5. Map showing the East Targets with Sentinel and Icy as priorities.

Qualified Person

Mr. Duncan McBean is the V.P. Exploration for the Company, who is a Qualified Person as defined

by National Instrument 43-101. Mr. McBean has verified the referenced data disclosed in this press

release and has approved the technical information presented herein.

About Brixton Metals Corporation

Brixton Metals is a Canadian exploration company focused on the advancement of its mining

projects. Brixton wholly owns four exploration projects: Brixton’s flagship Thorn copper -gold-silver-

molybdenum Project, the Langis and HudBay silver Projects in Ontario , the Hog Heaven copper -

silver-gold Project in NW Montana, USA, which is optioned to Ivanhoe Electric Inc., and the Atlin

Goldfields Project located in northwest BC, which is optioned to Eldorado Gold Corporation. Brixton

Metals Corporation shares trade on the TSX -V under the ticker symbol BBB, and on the OTCQX

under the ticker symbol BBBXF. For more information about Brixton, please visit our website at

www.brixtonmetals.com.

On Behalf of the Board of Directors

Mr. Gary R. Thompson, Chairman and CEO

[email protected]

For Investor Relations inquiries please contact : Mr. Michael Rapsch, Vice President Investor

Relations. email: [email protected] or call Tel: 604-630-9707

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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 release.

Information set forth in this news release may involve forward-looking statements under applicable securities laws.

Forward-looking statements are statements that relate to future, not past, events. In this context, forward- looking

statements often address expected future business and financial performance, and often contain words such as

“anticipate”, “believe”, “plan”, “estimate”, “expect”, and “intend”, statements that an action or event “may”, “might”, “could”,

“should”, or “will” be taken or occur, including statements that address potential quantity and/or grade of minerals, potential

size and expansion of a mineralized zone, proposed timing of exploration and development plans, or other similar

expressions. All statements, other than statements of historical fact included herein including, without limitation, statements

regarding the use of proceeds. By their nature, forward-looking statements involve known and unknown risks, uncertainties

and other factors which may cause our actual results, performance or achievements, or other future events, to be materially

different from any future results, performance or achievements expressed or implied by such forward- looking statements.

Such factors include, among others, the following risks: the need for additional financing; operational risks associated with

mineral exploration; fluctuations in commodity prices; title matters; and the additional risks identified in the annual

information form of the Company or other reports and filings with the TSXV and applicable Canadian securities regulators.

Forward-looking statements are made based on management’s beliefs, estimates and opinions on the date that statements

are made and the Company undertakes no obligation to update forward-looking statements if these beliefs, estimates and

opinions or other circumstances should change, except as required by applicable securities laws. Investors are cautioned

against attributing undue certainty to forward-looking statements.