Saturday, September 26, 2026
MiningNewsTerminal
Saturday, September 26, 2026 Admin

WRN.TO ·

Western Copper Formally Extends Investor Rights Agreement with Mitsubishi Materials

Partnerships & JV

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-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 anticipated advancement of the

Casino

Project, the continued support

and involvement of Mitsubishi Materials, and the potential benefits of the extended investor rights agreement.

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 document.

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.

View original content to download multimedia:

https://www.prnewswire.com/news-releases/western-copper-formally-extends-investor-rights-agreement-with-mitsubishi-materials-302466858.html

SOURCE

Western Copper and Gold Corporation

View original content to download multimedia:

http://www.newswire.ca/en/releases/archive/May2025/28/c7490.html

%SEDAR: 00023684E

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