6-K

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 May 2025

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 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   ☒  Form 40-F

SUBMITTED HEREWITH

Exhibits

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.

Exhibit 99.1

WESTERN COPPER FORMALLY EXTENDS INVESTOR RIGHTS AGREEMENT WITH MITSUBISHI MATERIALS

VANCOUVER, BC, May 28, 2025 /CNW/ - Western Copper and Gold Corporation ("Western" or the "Company") (TSX: WRN) (NYSE American: WRN) is pleased to announce that Mitsubishi Materials Corporation ("Mitsubishi Materials") has completed the precondition for the previously announced extension of their investor rights agreement.

Mitsubishi Materials acquired two million common shares of the Company through open market purchases, taking their overall ownership to approximately 5%. Consequently, the investor rights agreement between the two groups has now been extended to May 30, 2026, in accordance with the amended terms announced on April 15, 2025.

"We are extremely pleased to maintain, and enhance, our relationship with Mitsubishi Materials." said Sandeep Singh, President and CEO. "They remain an incredibly supportive shareholder, and we value their expertise as we advance the Casino Project."

ABOUT WESTERN COPPER AND GOLD CORPORATION

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

The Company is committed to working collaboratively with our 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 and CEO

Western Copper and Gold Corporation

Cautionary Note Regarding Forward-Looking Statements

This news release includes certain "forward-lookinginformation" and "forward-looking statements" (collectively "forward-looking statements") within the meaningof applicable Canadian and United States securities legislation including the United States Private Securities Litigation Reform Act of1995. These forward-looking statements are made as of the date of this news release. Forward-looking statements are frequently, but notalways, 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 orresults "may", "could", "would", "might" or "will" be taken, occur or be achieved, orthe negative of any of these terms and similar expressions. Such forward-looking statements herein include statements regarding the anticipatedadvancement of the Casino Project, the continued support and involvement of Mitsubishi Materials, and the potential benefits of the extendedinvestor rights agreement.

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

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

Although the Company has attempted to identifyimportant factors that could cause actual results to differ materially from those contained in forward-looking statements, other factorsmay cause results to be materially different from those anticipated, described, estimated, assessed or intended. These forward-lookingstatements represent the Company's views as of the date of this news release. There can be no assurance that any forward-looking statementswill 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 obligationto update forward-looking statements other than as required by applicable law.

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SOURCE Western Copper and Gold Corporation

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%CIK: 0001364125

For further information: For more information, please contact: Cameron Magee, Director, Investor Relations & Corporate Development, Western Copper and Gold Corporation, 437-219-5576 or [email protected]

CO: Western Copper and Gold Corporation

CNW 07:30e 28-MAY-25