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VANCOUVER, BC – TheNewswire - June 01, 2026 – Cullinan Metals Corp. (the “Company”) (CSE: CMT) (OTCQB: CNTMF) (FSE: 7KO) is pleased to announce the launch of its new corporate website, reflecting the Company’s evolving strategic direction and renewed focus on emerging resource opportunities and advanced technologies.

The new website is now available at:
www.cullinanmetalscorp.com

The redesigned website provides investors and stakeholders with updated corporate information, project summaries, news releases, and an overview of the Company’s evolving business strategy and exploration initiatives. The platform was developed to improve accessibility, transparency, and engagement with the investment community.

As part of its broader corporate evolution, the Company has refined its strategic focus toward commodities and technologies positioned to benefit from long-term global industrial and technological trends. This includes increased attention on electrification, advanced manufacturing, energy systems, defense-related technologies, and secure North American supply chains.

Management believes the current macroeconomic environment continues to support growing demand for critical minerals and strategic resources essential to next-generation technologies and infrastructure development. The Company intends to evaluate opportunities that align with these themes while continuing to assess value creation opportunities across the resource sector.

The Company’s Burnt Pond Project in Central Newfoundland remains a cornerstone asset within its growing critical metals portfolio. Located within the prolific Tally Pond Volcanic Massive Sulphide (VMS) belt, the project hosts historical polymetallic mineralization including copper, gold, silver, zinc, and lead, with mineralization remaining open along strike and at depth. The Company believes Burnt Pond provides significant leverage to strengthening copper markets and growing electrification demand.

In addition, the Company’s Oculus Rare Earth Project in central Labrador spans approximately 2,550 hectares within a recognized rare earth district and has returned historical surface sample values of up to 5.76% Total Rare Earth Oxides (“TREO”), including favorable heavy rare earth enrichment.

See Cullinan Metals news release dated April 24, 2026, for a more detailed overview on the mineral projects and technical information.

As the Company advances its updated strategic direction, management will continue evaluating opportunities to strengthen the corporate brand and market positioning, including the potential consideration of a future corporate name change, subject to applicable regulatory and shareholder approvals.

Further information regarding the Company and its projects is available on SEDAR+ and on the Company’s website.

About Cullinan Metals Corp.

Cullinan Metals Corp. is a Canadian exploration company focused on the evaluation and development of energy and critical metals opportunities. The Company holds an option to acquire a 100% interest in the Oculus Rare Earth Project in Central Labrador and the Burnt Pond polymetallic project in Central Newfoundland.

ON BEHALF OF THE BOARD OF DIRECTORS

Cullinan Metals Corp.

Christopher Huggins
Chief Executive Officer

+1 (604) 968-4844

www.cullinanmetalscorp.com

Neither the Canadian Securities Exchange nor its Regulation Services Provider (as that term is defined in the policies of the Canadian Securities Exchange) accepts responsibility for the adequacy or accuracy of this release.

Forward-Looking Statements

Statements in this news release which are not purely historical are forward-looking statements, including any statements regarding beliefs, plans, expectations, or intentions regarding the future. Forward looking statements in this news release include, but are not limited to, statements regarding the opportunities for new discoveries and development at the Projects and the benefits of acquiring the Option; and any other general statement regarding the Company’s planned or future exploration efforts at the Projects. It is important to note that the Company’s actual business outcomes and exploration results could differ materially from those in such forward-looking statements. Risks and uncertainties include that the Company may not, due to environmental, technological and other factors, be successful in expanding the mineralization footprint of the Projects as planned; that the Company may be unable to implement its plans to further explore at the Projects; that certain exploration methods, including the Company’s proposed exploration model for Projects, may be ineffective or inadequate in the circumstances; that the Company may not satisfy all necessary conditions to complete the transactions contemplated in the Agreement, including, without limitation, the approval of the Canadian Securities Exchange, as contemplated or at all; that the benefits of acquiring the Option may not be realized as anticipated or at all; that economic, competitive, governmental, geopolitical, environmental and technological factors may affect the Company’s operations, markets, products and prices; our specific plans and timing drilling, field work and other plans may change; that the Company may not have access to or be able to develop any minerals because of cost factors, type of terrain, or availability of equipment and technology; and we may also not raise sufficient funds to carry out or complete our plans. Labor shortages, inflationary pressures, rising interest rates, the global financial climate and international conflicts are some additional factors that are affecting current economic conditions and increasing economic uncertainty, which may impact the Company’s operating performance, financial position, and prospects. Collectively, the potential impacts of this economic environment pose risks that are currently indescribable and immeasurable. No assurance can be given that any of the events anticipated by the forward-looking statements will occur or, if they do occur, what benefits the Company will obtain from them. Readers are cautioned that forward-looking statements are not guarantees of future performance or events and, accordingly, are cautioned not to put undue reliance on forward-looking statements due to the inherent uncertainty of such statements. Additional risk factors are discussed in the section entitled “Risk Factors” in the Company’s Management Discussion and Analysis for its recently completed fiscal period, which is available under the Company’s SEDAR+ profile at www.sedarplus.ca. Except as required by law, the Company will not update or revise these forward-looking statements after the date of this document or to revise them to reflect the occurrence of future unanticipated events.

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