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WRN.TO ·

Western Copper and GOLD Provides Update ON Casino Project

Corporate Updates

TSX: WRN

NYSE American: WRN

NEWS RELEASE

September 22, 2017 Release 06-2017

WESTERN COPPER AND GOLD PROVIDES UPDATE ON CASINO PROJECT

VANCOUVER, B.C. Western Copper and Gold Corporation ( “Western” or the “Company”) (TSX: WRN;

NYSE American: WRN) is pleased to provide an update on Casino Project activities. During the past few

months, the Company has confirmed that the expected economic returns from its Feasibility Study are still

relevant and current, received commitment from the Yukon and Federal Governments on key road

infrastructure, and has continued engagement with local communities as part of its permitting efforts.

CASINO PROJECT FEASIBILITY STUDY PRICING REVIEW

In association with M3 Engineering & Technology Corp., the Company has conducted a pricing review

(the “Review”) of the January 25, 2013 Casino Project Feasibility Study (the “Feasibility Study”) . The

Review indicates that the Casino Project’s economic metrics, such as internal rate of return and net

present value, at current commodity prices and exchange rates are comparable to the base case metrics

in the Feasibility Study . Capital and operating costs were updated as part of the analysis , including

updated costs for mining and major process equipment, power plant costs, major bulk materials (e.g.

structural steel), and construction and operating labour rates . There has been no change to the mineral

resource or reserve estimate or to other technical information contained in the Feasibility Study.

The Feasibility Study showed that the Casino Project is expected to have an after-tax net present value of

$1.83 billion (8% discount rate ), an after-tax internal rate of return of 20.1% and a 3.0 year pay -back

period over its 22 year mine life. Commodity prices used in the Feasibility Study base case were as

follows: Copper – US$3 per lb; Gold – US$1,400 per oz; Molybdenum – US$14 per lb; and Silver –

US$25 per oz. The exchange rate applied to commodity prices was US$0.95 to $1.00.

The full text of the Feasibility Study is available under the Company’s profile on SEDAR.

ROAD FUNDING

As previously announced on September 5, 2017 , the Yukon Government and the Federal Government

have committed to fund the upgrade of the existing access road and 30% of the new access road to the

Casino Project as part of the Yukon Resource Gateway Application (“Gateway”). Recent discussions with

the Yukon Government indicate that work towards building these roads is underway , starting with

permitting for construction of a by-pass that will allow mining-related traffic to avoid the town of Carmacks,

a key mitigation measure identified by the local community.

PERMITTING

The Company has been advancing certain key permitting activities required to prepare its Environmental

and Socio -Economic Statement (“ESE Statement”). A large part of the initiative has been the Best

Available Tailing Technology (“BATT”) review process relating to the design of the tailings and waste

management facility. In this regard, Western is following the roadmap identified by the British Columbia

Government, and being contemplated by the Yukon Government, to receive and co nsider feedback from

key stakeholders. The goal is to come to a tailings management facility design that uses the best

available tailings and mine waste deposition technology and has buy -in from the community, First

Nations, and regulatory authorities.

Due to the timing of BATT review process and Yukon Government timelines on the permitting of the road

upgrades as part of the Gateway funding, the Company has advised the Yukon Environmental and Socio-

economic Assessment Board that it will delay submission of its ESE Statement to the end of 2018.

Cameron Brown, P. Eng, the Company’s VP Engineering and a Qualified Person (as defined in National

Instrument 43-101) has read, verified and approved the scientific and technical disclosure contained in

this news release.

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. 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

For more information, please contact:

Chris Donaldson

Manager, Corporate Development and Community

604.638.2520 or [email protected]

Cautionary Disclaimer Regarding Forward-Looking Statements and Information

This news release contains certain forward -looking statements concerning anticipated developments in

Western’s operations in future periods. Statements that are not historical fact are “forward -looking

statements” as that term is defined in the United Stat es Private Securities Litigation Reform Act of 1995

and “forward looking information” as that term is defined in National Instrument 51 -102 (“NI 51 -102”) of

the Canadian Securities Administrators (collectively, “forward -looking statements”). Certain forwar d

looking information should also be considered future-oriented financial information (“FOFI”) as that term is

defined in NI 51 -102. The purpose of disclosing FOFI is to provide a general overview of management’s

expectations regarding the anticipated resu lts of operations and capital expenditures and readers are

cautioned that FOFI may not be appropriate for other purposes. Forward -looking statements are

frequently, but not always, identified by words such as “expects”, “anticipates”, “believes”, “intends” ,

“estimates”, “potential”, “possible” and similar expressions, or statements that events, conditions or results

“will”, “may”, “could” or “should” occur or be achieved. These forward-looking statements may include, but

are not limited to, statements regar ding perceived merit of properties; mineral reserve and resource

estimates; capital expenditures; feasibility study results (including projected economic returns, operating

costs, and capital costs in connection with the Casino Project); exploration result s at the Co mpany’s

property; budgets; permitting or other timelines; economic benefits from the mine and/or the access road;

strategic plans; market price of precious and base metals; or other statements that are not statement of

fact. The material factors or assumptions used to develop forward -looking statements include prevailing

and projected market prices and foreign exchange rates, exploration estimates and results, continued

availability of capital and financing, construction and operations, the Compa ny not experiencing

unforeseen delays, unexpected geological or other effects, equipment failures, permitting delays, and

general economic, market or business conditions and as more specifically disclosed throughout this

document, and in the AIF and Form 40-F.

Forward-looking statements are statements about the future and are inherently uncertain, and actual

results, performance or achievements of Western and its subsidiaries may differ materially from any

future results, performance or achievements express ed or implied by the forward -looking statements due

to a variety of risks, uncertainties and other factors. Such risks and other factors include, among others,

risks involved in fluctuations in gold, copper and other commodity prices and currency exchange rates;

uncertainties relating to interpretation of drill results and the geology, continuity and grade of mineral

deposits; uncertainty of estimates of capital and operating costs, recovery rates, production estimates and

estimated economic return; risks r elated to joint venture operations; risks related to cooperation of

government agencies and First Nations in the development of the property and the issuance of required

permits; risks related to the need to obtain additional financing to develop the prope rty and uncertainty as

to the availability and terms of future financing; the possibility of delay in construction projects and

uncertainty of meeting anticipated program milestones; uncertainty as to timely availability of permits and

other governmental approvals; and other risks and uncertainties disclosed in Western’s AIF and Form 40-

F, and other information released by Western and filed with the applicable regulatory agencies.

Western’s forward -looking statements are based on the beliefs, expectations a nd opinions of

management on the date the statements are made, and Western does not assume, and expressly

disclaims, any intention or obligation to update or revise any forward -looking statements whether as a

result of new information, future events or oth erwise, except as otherwise required by applicable

securities legislation. For the reasons set forth above, investors should not place undue reliance on

forward-looking statements.