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URE.TO ·

Ur-Energy Announces Restart of Commercial Production and Completion of Casper Centralized Services Facility

Production Results Mine Development & Operations

News Release

10758 W. Centennial Rd. Suite 200

Littleton, CO 80127

Phone: 720.981.4588

www.ur-energy.com

Ur-Energy Announces Restart of Commercial Production and

Completion of Casper Centralized Services Facility

Littleton, Colorado (ACCESSWIRE – May 30, 2023) Ur-Energy Inc. (NYSE American:URG) (TSX:URE) (the

“Company” or “Ur -Energy”) is pleased to announce the successful startup of production flow from

Header House 2-4 at our Lost Creek In Situ Uranium Facility in Sweetwater County, Wyoming. Production

rates will continue to increase as additional he ader houses in Mine Uni t 2 come online this year . Lost

Creek production inventory will be sold into our remaining 2023 contract book of 180,000 pounds U3O8

in the second half of the year. B eginning in 2024, the Company’s total sales quantity under contract is

600,000 pounds U3O8 annually, plus or minus a small, optional flex.

We are also pleased to announce that construction of our Casper, Wyoming centralized services facility,

shown below, is complete and will facilitate full laboratory and construction services for each of our

mining projects. The centralized location will allow for reduced drive times and improved safety for our

employees while reducing operating costs and increasing efficiencies.

Steve Hatten, the Company’s COO stated, “I am very excited to see the planning and hard work pay off

for our long-standing and new employees with these achievements at Lost Creek and completion of our

new Casper facility. This restart of normal operations at Lost Creek marks the first of a series of planned

production areas scheduled for 2023 and 2024. We hope our return to commercial production also is

the beginning of a resurgence of the uranium mining industry in the United States.”

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About Ur-Energy

Ur-Energy is a uranium mining company operating the Lost Creek in -situ recovery uranium facility in

south-central Wyoming. We have produced and packaged approximately 2.7 million pounds U3O8 from

Lost Creek since the commencement of operations. Ur -Energy now has all major permits and

authorizations to begin construction at Shirley Basin, the Company’s second in situ recovery uranium

facility in Wyoming and is in the process of obtaining remaining amendments to Lost Creek

authorizations for expansion of Lost Creek. Ur- Energy is engaged in uranium mining, recovery and

processing activities, including the acquisition, exploration, development, and operation of uranium

mineral properties in the United States. The primary trading market for Ur- Energy’s common shares is

on the NYSE American under the symbol “URG.” Ur-Energy’s common shares also trade on the Toronto

Stock Exchange under the symbol “URE.” Ur -Energy’s corporate office is in Littleton, Colorado and its

registered office is in Ottawa, Ontario.

FOR FURTHER INFORMATION, PLEASE CONTACT

John W. Cash, Chairman, CEO & President

866-981-4588, ext. 303

[email protected]

Cautionary Note Regarding Forward-Looking Information

This release may contain “forward-looking statements” within the meaning of applicable securities laws

regarding events or conditions that may occur in the future (e.g., the timing for additional header houses

to come online at Lost Creek and the rates at which production levels will increase; whether the Casper

facility will reduce operating costs and increase employee safety as projected; ability to timely deliver

into our sales agreements and whether the flex will be exercised) and are based on current expectations

that, while considered reasonable by management at this time, inherently involve a number of

significant business, economic and competitive risks, uncertainties and contingencies. Generally,

forward-looking statements can be identified by the use of forward-looking terminology such as "plans,"

"expects," "does not expect," "is expected," "is likely," "estimates," "intends," "anticipates," "does not

anticipate," or "believes," or variations of the foregoing, or statements that certain actions, events or

results "may," "could," "might" or "will be taken," "occur," "be achieved" or "have the potential to." All

statements, other than statements of historical fact, are considered to be forward-looking statements.

Forward-looking statements involve known and unknown risks, uncertainties and other factors which

may cause the actual results, performance or achievements of the Company to be materially different

from any future results, performance or achievements express or implied by the forward-looking

statements. Factors that could cause actual results to differ materially from any forward -looking

statements include, but are not limited to, capital and other costs varying significantly from estimates;

failure to establish estimated resources and reserves; the grade and recovery of ore which is mined

varying from estimates; production rates, methods and amounts varying from estimates; delays in

obtaining or failures to obtain required governmental, environmental or other project approvals;

inflation; changes in exchange rates; fluctuations in commodity prices; delays in development and other

factors described in the public filings made by the Company at www.sedar.com and www.sec.gov.

Readers should not place undue reliance on forward -looking statements. The forward -looking

statements contained herein are based on the beliefs, expectations and opinions of management as of

the date hereof and Ur-Energy disclaims any intent or obligation to update them or revise them to reflect

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any change in circumstances or in manageme nt’s beliefs, expectations or opinions that occur in the

future.