BRUNSWICK EXPLORATION COMPLETES OPTION AGREEMENT FOR ANATACAU MAIN AND WEST

MONTREAL, April 30, 2026 (GLOBE NEWSWIRE) – Brunswick Exploration Inc. (TSX-V: BRW, OTCQB: BRWXF; FRANKFURT: 1XQ; “BRW” or the “Company”) is pleased to announce that it has completed all required work expenditures and share payments to fully exercise its option agreement for the Anatacau Main and West projects. BRW has now acquired a 90% interest in both projects and retains a right of first refusal (“ROFR”) on the remaining free-carried 10% held by Electric Elements Mining Corp.

Anatacau Main – Anais

The Company recently completed a winter drill campaign at the Anatacau Main Project (“Anatacau Main”), where the Anais showing is located, following successful exploration work in 2025. Multiple large, well-mineralized pegmatites have been identified in drill core, and several holes still have pending assays, which will be released in the coming weeks.

Table 1: Mineralized highlights from drilling programs at Anatacau Main.

The true thickness of the Anais dyke is estimated to be approximately 60%.

Anatacau Main – Exploration Targets

Recent compilation work by the Company has identified several high-priority targets across the rest of the project. Between two and five kilometres south of the Anais showing, three unverified spodumene showings were identified through compilation work. These showings significantly expand the exploration potential surrounding the Anais discovery.

Further south on the project, the Company has identified over 16 highly fractionated pegmatites with favourable K/Rb ratios and mineralogy within the Pontax trend, among more than 90 pegmatite outcrops. These high-priority targets are located near two potential spodumene showings controlled by BRW.

Anatacau West Project

The Anatacau West Project is immediately contiguous to Rio Tinto’s James Bay Lithium Project. Based on drilling completed to date, BRW has intercepted at least two large spodumene-bearing pegmatites within 250 metres of mineralized pegmatites on Rio Tinto’s project. These pegmatites share the same orientation and strike.

Drilling has initially focused on near-surface mineralization, with the pegmatites drill-tested to a maximum vertical depth of 137 metres. They remain open at depth.

Till work completed in 2024 also outlined significant potential for the repetition of new pegmatites further south and east of the drilled pegmatites, where several high spodumene grain-count values were reported.

Figure 1: Anatacau Main and West overview

Qualified Person

The scientific and technical information related to this press release has been reviewed and approved by Mr. Francois Goulet, Manager, Quebec. He is a professional geologist registered in Quebec.

About Brunswick Exploration Inc.

Brunswick Exploration Inc. is a Montreal-based mineral exploration company listed on the TSX-V under the symbol BRW. The Company is focused on grassroots lithium exploration in Canada, a critical metal necessary for global decarbonization and the energy transition.

The Company is rapidly advancing one of the most extensive grassroots lithium property portfolios in Canada, Greenland and Saudi Arabia. This portfolio is underpinned by its Mirage Project, one of the largest undeveloped hard-rock lithium inferred mineral resource estimates in the Americas, with 52.2 Mt grading 1.08% Li₂O.

Investor Relations / Information

Mr. Killian Charles, President and CEO Phone: 514 861 4441 Email: info@BRWexplo.com

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.

Cautionary Statement on Forward-Looking Information

This news release contains forward-looking information within the meaning of applicable Canadian securities legislation, based on expectations, estimates and projections as of the date of this news release. Forward-looking information involves risks, uncertainties and other factors that could cause actual events, results, performance, prospects and opportunities to differ materially from those expressed or implied by such forward-looking information. Factors that could cause actual results to differ materially include, but are not limited to, delays in obtaining, or failures to obtain, required governmental, environmental or other project approvals; uncertainties relating to the availability and cost of future financing; changes in equity markets; inflation; fluctuations in commodity prices; delays in project development; other risks involved in the mineral exploration and development industry; and the risks set out in the Corporation’s public documents filed on SEDAR at www.sedar.com. Although the Corporation believes that the assumptions and factors used in preparing the forward-looking information in this news release are reasonable, undue reliance should not be placed on such information. This information applies only as of the date of this news release, and no assurance can be given that such events will occur within the disclosed time frames or at all. The Corporation disclaims any intention or obligation to update or revise any forward-looking information, whether as a result of new information, future events or otherwise, other than 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.

The post BRUNSWICK EXPLORATION COMPLETES OPTION AGREEMENT FOR ANATACAU MAIN AND WEST appeared first on Brunswick Exploration.