Western Copper and Gold updates Mitsubishi partnership

Western Copper and Gold Corporation reported that it is in productive discussions with Mitsubishi Materials Corporation to extend their existing investor rights agreement tied to the strategic partnership on the Casino Project in the Yukon.

Rhea-AI Filing Summary

Western Copper and Gold Corporation reported that it is in productive discussions with Mitsubishi Materials Corporation to extend their existing investor rights agreement tied to the strategic partnership on the Casino Project in the Yukon.

The company emphasizes that there is no assurance these talks will lead to a definitive extension, or on what timing or terms any agreement might be reached, and says it will provide further updates when appropriate. Management reiterates Mitsubishi Materials is considered a committed, highly valued partner on the project and indicates a desire to maintain the relationship along similar lines to the current arrangement.

Key Terms

strategic partnership, investor rights agreement, forward-looking statements, Casino Project, +1 more

5 terms

strategic partnership financial

"WESTERN COPPER AND GOLD PROVIDES UPDATE STRATEGIC PARTNERSHIP WITH MITSUBISHI MATERIALS"

An agreement between two or more independent companies to work together on specific goals—such as developing products, entering new markets, or sharing technology—while each company keeps its own identity. For investors, a strategic partnership can be like neighboring shops pooling resources to attract more customers: it can speed growth, lower costs or risks, and change a company’s future revenue or competitive position, so announcements often affect stock expectations.

investor rights agreement financial

"to extend the investor rights agreement between both parties"

A legally binding contract between a company and its investors that spells out investors’ core protections and privileges—such as voting rights, how and when shares can be sold, information access, and steps for resolving disputes. Think of it like a rulebook or homeowner association agreement for ownership: it clarifies who gets a say, how value can be realized, and what protections exist if things go wrong, making investment risks and expectations clearer for shareholders.

forward-looking statements regulatory

"This news release includes certain "forward-looking information" and "forward-looking statements""

Forward-looking statements are predictions or plans that companies share about what they expect to happen in the future, like estimating sales or profits. They matter because they help investors understand a company's outlook, but since they are based on guesses and assumptions, they can sometimes be wrong.

Casino Project financial

"Mitsubishi Materials is a committed, highly valued, partner on the Casino Project"

A casino project is a planned development to build or expand a facility where people can gamble and enjoy entertainment, such as slot machines, card games, and shows. For investors, such projects can signal potential economic growth and tourism, but also carry risks related to costs, regulations, and market demand that can impact financial outcomes. Understanding a casino project helps assess its potential benefits and challenges within a region's development plans.

foreign private issuer regulatory

"FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER"

A foreign private issuer is a company organized outside the United States that meets tests showing it is primarily foreign-controlled and therefore qualifies for a different set of U.S. reporting rules. For investors, that means the company files less frequent or differently formatted disclosures with U.S. regulators and may follow home-country accounting and governance practices, so buying its stock is like dining at a well-reviewed restaurant that follows its home kitchen’s rules instead of the local menu — you get access but should check what standards apply.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Western Copper and Gold (WRN) announce about Mitsubishi Materials?

Western Copper and Gold announced it is in productive dialogue with Mitsubishi Materials to extend their current investor rights agreement. The company highlighted Mitsubishi Materials as a committed, highly valued partner on the Casino Project and expects to provide further updates when the discussions progress.

Is Western Copper and Gold’s agreement with Mitsubishi Materials already extended?

The agreement has not been extended yet. Western Copper and Gold states it is in ongoing discussions with Mitsubishi Materials about extending the investor rights agreement and cautions there is no assurance a definitive agreement will be reached, or on the timing or terms of any extension.

How important is Mitsubishi Materials to Western Copper and Gold’s Casino Project (WRN)?

Western Copper and Gold describes Mitsubishi Materials as a committed, highly valued partner on the Casino Project. The company is seeking to extend the investor rights agreement, indicating Mitsubishi’s ongoing role is important to the project’s strategic and development framework in the Yukon.

What forward-looking statements does Western Copper and Gold (WRN) highlight in this update?

Western Copper and Gold flags that statements about ongoing discussions with Mitsubishi Materials, potential extension of the investor rights agreement, and the timing, terms, and completion of any such agreement are forward-looking. These depend on various risks and assumptions outlined in its annual information form and Form 40-F.

What project is Western Copper and Gold (WRN) advancing with Mitsubishi Materials?

Western Copper and Gold is advancing the Casino Project, described as Canada’s premier copper-gold mine in the Yukon and one of the most economic greenfield copper-gold projects globally. Mitsubishi Materials is a strategic partner, and the parties are discussing an extension of their investor rights agreement.

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Accepted by SEC EDGAR 06/04/2026 - 07:31 AM EDT Learn about SEC filing dates

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16
UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of June 2026

Commission File Number: 001-35075

WESTERN COPPER AND GOLD CORPORATION
(Translation of registrant's name into English)

Suite 907 – 1030 West Georgia Street,
Vancouver, BC, Canada V6E 2Y3
(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

[   ] Form 20-F   [ x ]  Form 40-F

SUBMITTED HEREWITH

Exhibits

Exhibit		Description
99.1		News Release dated June 4, 2026

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	Western Copper and Gold Corporation
	(Registrant)
Date: June 4, 2026	By:	/s/ Sandeep Singh
		Sandeep Singh
	Title:	President & Chief Executive Officer

June 4, 2026 Release 7-2026

WESTERN COPPER AND GOLD PROVIDES UPDATE ON
STRATEGIC PARTNERSHIP WITH MITSUBISHI MATERIALS

Vancouver, B.C. Western Copper and Gold Corporation ("Western" or the "Company") (TSX: WRN; NYSE American: WRN) is pleased to provide an update on its ongoing strategic partnership with Mitsubishi Materials Corporation ("Mitsubishi Materials").

Western and Mitsubishi Materials are in productive dialogue to extend the investor rights agreement between both parties, and hope to be able to conclude said extension in the near term. There can be no assurance that the discussions between Western and Mitsubishi Materials will result in a definitive agreement, or as to the timing or terms of any such agreement. The Company will provide further updates as appropriate.

"Mitsubishi Materials is a committed, highly valued, partner on the Casino Project," said Sandeep Singh, President & CEO. "We look forward to concluding our constructive discussions in the near term and along the same lines as our existing relationship."

ABOUT WESTERN COPPER AND GOLD CORPORATION

Western Copper and Gold Corporation is advancing the Casino Project, Canada's premier copper-gold mine in the Yukon and one of the most economic greenfield copper-gold mining projects in the world. 

The Company is committed to working collaboratively with First Nations and local communities to progress the Casino Project, using internationally recognized responsible mining technologies and practices.

For more information, visit www.westerncopperandgold.com.

On behalf of the board,

"Sandeep Singh"

Sandeep Singh

President & CEO

Western Copper and Gold Corporation

For more information, please contact:

Cameron Magee

Director, Investor Relations & Corporate Development

Western Copper and Gold Corporation

437-219-5576 or cmagee@westerncopperandgold.com

TSX: WRN

NYSE American: WRN

Cautionary Note Regarding Forward-Looking Statements

This news release includes certain "forward-looking information" and "forward-looking statements" (collectively "forward-looking statements") within the meaning of applicable Canadian and United States securities legislation including the United States Private Securities Litigation Reform Act of 1995. These forward-looking statements are made as of the date of this news release. Forward-looking statements are frequently, but not always, identified by words such as "expects", "anticipates", "believes", "plans", "projects", "intends", "estimates", "envisages", "potential", "possible", "strategy", "goals", "opportunities", "objectives", or variations thereof or stating that certain actions, events or results "may", "could", "would", "might" or "will" be taken, occur or be achieved, or the negative of any of these terms and similar expressions. Such forward-looking statements herein include statements regarding the ongoing discussions between Western and Mitsubishi Materials, the extension of the investor rights agreement, the timing, terms, and completion of any such agreement, and the continued strategic partnership between Western and Mitsubishi Materials.

Forward-looking statements involve known and unknown risks, uncertainties and other factors that may cause actual events to be materially different from those expressed or implied by such statements. Such factors include but are not limited to the risk of unforeseen challenges in advancing the Casino Project, potential impacts on operational continuity, changes in general market conditions that could affect the Company's performance, and other risks and uncertainties disclosed in the Company's annual information form and Form 40-F for the most recently completed financial year and its other publicly filed disclosure documents.

Forward-looking statements are based on assumptions management believes to be reasonable, such assumptions and factors as set out herein, and in the Company's annual information form and Form 40-F for the most recently completed financial year and its other publicly filed disclosure documents.

Although the Company has attempted to identify important factors that could cause actual results to differ materially from those contained in forward-looking statements, other factors may cause results to be materially different from those anticipated, described, estimated, assessed or intended. These forward-looking statements represent the Company's views as of the date of this news release. There can be no assurance that any forward-looking statements will be accurate, as actual results and future events could differ materially from those anticipated in such statements. Accordingly, readers should not place undue reliance on forward-looking statements. The Company does not intend to and does not assume any obligation to update forward-looking statements other than as required by applicable law.

Filing Exhibits & Attachments

1 document

Press Releases

• EX-99.1 EXHIBIT 99.1 7.9 KB