VANCOUVER, B.C. Western Copper and Gold Corporation (“Western” or the “Company”) (TSX: WRN; NYSE American: WRN) through its wholly-owned subsidiary, Casino Mining Corporation (“Casino”) has been informed by the Executive Committee of the Yukon Environmental and Socio-Economic Assessment Board that the deadline for issuance of the final revised Environmental and Socio-Economic Statement Guidelines (the “Guidelines”), for the Casino Copper-Gold Project’s review by a Panel of the Board has been extended to September 15, 2023. The previous deadline was August 17, 2023.

The Company is currently working on its Environmental and Socio-Economic Statement (“ESE Statement”) and will be able to give guidance on the timing of submittal after receipt of the final Guidelines.

“Our environmental team has been working diligently through a significant summer program finalizing data collection in preparation for filing our ESE Statement,” said Paul West-Sells, President and CEO. “We continue to work closely with Federal, Territorial and First Nation governments and stakeholders to ensure that the Casino Copper-Gold Project will provide long-lasting benefits to the Yukon.”

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,

“Paul West-Sells”

Dr. Paul West-Sells

President and CEO

Western Copper and Gold Corporation