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POWER METALS REACHES CESIUM CONCENTRATE OFFTAKE AGREEMENT WITH ALBEMARLE Major Highlights Power Metals secures significant commercial milestones with Albemarle Corporation, one of the world's leading critical-minerals companies

Mine Development & Operations Partnerships & JV

POWER METALS REACHES CESIUM

CONCENTRATE OFFTAKE AGREEMENT WITH

ALBEMARLE

Major Highlights

Power Metals secures significant commercial milestones with Albemarle Corporation,

one of the world's leading critical-minerals companies

,

which has acquired the current

offtake agreement from Winsome Resources (ASX: WR1) for the Case Lake Project

Deal sees Albemarle purchase Winsome Resources offtake rights in Power Metals

Corp's Case Lake Project

Case Lake hosts near-surface, high-grade cesium with Albemarle securing the rights to

all Project offtake

Under the offtake agreement, Albemarle has agreed to prepay for up to

CAD$5 Million

of

cesium oxide concentrate from the Case Lake Project

Agreement delivers clear benefits to existing Power Metals shareholders by providing

access to project funding through a fully non-dilutive transaction structure

Case Lake is currently advancing towards its production target for 2026

VANCOUVER, BC

,

Dec. 12, 2025

/CNW/ - Power Metals Corp (

"Power Metals"

or the

"Company"

) (TSXV: PWM) (FRANKFURT: OAA1) (OTCQB: PWRMF) is pleased to announce

Albemarle Corporation ("Albemarle") has agreed to a

CAD$5 Million

pre-payment arrangement for

cesium oxide concentrate from the Company's Case Lake Project ("the Project") in

Ontario, Canada

.

The milestone involves Albemarle also acquiring current offtake rights held by Winsome Resources

(ASX: WR1), marking a significant endorsement from one of the world's leading critical-minerals

companies.

It also underscores the growing importance of Case Lake as a strategic asset and the role it is

poised to play in securing

North America's

cesium supply chain.

Pursuant to a purchase agreement between Winsome and Albemarle, Winsome is assigning its

Case Lake offtake rights to Albemarle. Winsome will retain its

15.8%

shareholding of Power Metals

and looks forward to continued collaboration with both PWM and Albemarle as the Project

advances.

The offtake rights were previously held by

Hong Kong

based Sinomine Resources Limited in 2020¹,

before being rescinded through intervention by the Government of

Canada

in 2022², at which point

Winsome Resources acquired the rights³.

The agreement highlights a clear shift in the global critical-minerals landscape, with an increased

focus on securing the North American supply chains.

The pre-payment commitment is conditional on Power Metals securing necessary approvals and

permits to commence mining at Case Lake, and provides financing in stages as key development

milestones are achieved:

CAD$2,000,000

promptly following execution of the pre-payment commitment.

CAD$3,000,000

upon delivery of Environmental Compliance Approval (ECA) for the Case Lake

Project in 2026.

The transaction strengthens Power Metals position as a key player in the global cesium market, with

the project now backed by one of the sector's most influential producers.

¹

See Power Metals (TSX-V: PWM) Announcements dated 8 September 2020

²See

Power Metals (TSX-V: PWM) Announcements dated 3 November 2022

³

See Power Metals (TSX-V: PWM) Announcements dated 2 December 2022

Power Metals CEO and Director,

Haydn Daxter Commented

:

"We are incredibly pleased with Albemarle's participation as we continue to strengthen our footprint

in

Canada

for critical minerals. Albemarle's expertise in producing high-value cesium chemicals

secures the downstream component of our strategy while bolstering the emergence of an

integrated cesium market."

Power Metals Chairman and Director, Johnathan More Commented:

"This agreement is a significant step for Power Metals and a strong outcome for our shareholders.

The pre-payment structure provides access to funding without dilution, allowing us to advance

Case Lake while preserving the value of the Company. With the Project's extremely low capital

requirements, under

CAD$8 million

required, this support positions us well to move toward

production and unlock the full potential of our cesium opportunity."

-ON BEHALF OF THE BOARD-

Johnathan More

, Chairman & Director

Case Lake Property

The Case Lake Property is located 80 km east of

Cochrane

in northeastern

Ontario

, near the

Ontario Quebec border. It comprises 586 cell claims across Steele, Case, Scapa, Pliny,

Abbotsford

and Challies townships within the Larder Lake Mining Division. The Property is 10km by 9.5km in

size with 14 granitic domes.

The Case Lake pegmatite swarm consists of six spodumene dykes known as the North, Main,

South, East and Northeast dykes on the Henry Dome, and the West Joe dyke on a new dome,

collectively forming mineralization trend that extends for approximately 10km (Figure 1).

Power Metals has completed several exploration campaigns leading to the discovery and expansion

of new and historic spodumene bearing LCT pegmatites at Case Lake. The Company has drilled a

total of 23,976 meters of core between 2017 and 2024 at the Property. The Case Lake Property is

owned 100% by Power Metals Corp. A National Instrument 43-101 Technical Report has been

prepared on Case Lake Property and filed on

July 18, 2017

(Figure 1).

Decelles Property

The Decelles Property contains 247 claims, covering 14,229 hectares of LCT prospective ground

near the mining centres of Val-dÓr and

Rouyn-Noranda

, approximately 600km from

Montreal

.

Power Metals acquired the Decelles and Mazerac properties from Winsome Resources in 2023 in a

deal that increased Winsome equity stake in the Company (refer to press release announced on

August 24, 2023

). The geology of Decelles property is part of the Archean Pontiac sub-province

where S-type LCT prospective, pegmatite bearing, granitic Decelles Batholith intrudes into

metasedimentary units of the Pontiac Group.

Spodumene and Beryl bearing pegmatites have been reported historically within the

Pontiac

sub-

province in association with S-type garnet-muscovite granite. The Decelles property is adjacent to

Vision Lithium's Cadillac property where discovery of high-grade lithium pegmatites was reported in

2022 (Figure 1).

Mazerac Property

The Mazerac Property is located approximately 30 km east of Power Metals Decelles property near

well-established mining camps in the Abitibi region of

Canada

and is accessible by network of

mining-grade forestry roads.

The Mazerac property contains 115 claims that cover 6,653 hectares of LCT prospective ground

near the mining centre of Val-dÓr and

Rouyn-Noranda

. The regional geology of Mazerac is similar to

Decelles where S-type LCT prospective, pegmatite bearing, granites of Decelles Batholith intrude

into metasedimentary units of the Pontiac Group. Spodumene and Beryl bearing pegmatites have

been reported historically within the

Pontiac

sub-province in association with S-type garnet-

muscovite granite (Figure 1).

Pollucite and Cesium

Pollucite is a rare mineral that hosts high grade cesium and is associated with highly fractionated,

rare element pegmatites. The main source of cesium known globally is pollucite

(Cs,Na)

(Al

Si

O

)•2H

O, (

https://www.gov.mb.ca/iem/geo/industrial/pollucite.html

). Currently there

is no operational mining of high-grade cesium from pollucite occurring globally.

Figure 1 – Power Metals Corp Project Locations Map in Ontario and Quebec Canada (CNW

Group/Power Metals Corp.)

Power Metals Corp (TSX-V: PWM)

Power Metals Corp (TSX-V: PWM) is a Canadian exploration company focused on developing high-

quality critical mineral projects. Its flagship Case Lake Property in

Ontario

– 100 per cent owned by

Power Metals - is a high-grade cesium, lithium and tantalum asset.

Beyond Case Lake, the Company's portfolio includes the Decelles and Mazerac Properties near

Val-

D'Or

, Québec. Together, these assets cover 947 claims spanning more than 330km² of lithium-

cesium-tantalum (LCT) prospective ground. As global demand for critical minerals continues to grow

global, and particularly in

North America

, Power Metals is strategically advancing its projects to

support the continent's growing supply needs. Learn more at

www.powermetalscorp.com

.

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in

policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of the

content of this news release.

No- securities regulatory authority has either approved or disapproved of the contents of this news

release. The securities being offered have not been, and will not be, registered under the United

States Securities Act of 1933, as amended (the "U.S. Securities Act"), or any state securities laws,

and may not be offered or sold in

the United States

, or to, or for the account or benefit of, a "U.S.

person" (as defined in Regulation S of the U.S. Securities Act) unless pursuant to an exemption

therefrom. This press release is for information purposes only and does not constitute an offer to

sell or a solicitation of an offer to buy any securities of the Company in any jurisdiction.

Cautionary Note Regarding Forward-Looking Information

This press release contains forward-looking information based on current expectations, including

the use of funds raised under the Offering. These statements should not be read as guarantees of

future performance or results. Such statements involve known and unknown risks, uncertainties

and other factors that may cause actual results, performance or achievements to be materially

different from those implied by such statements. Although such statements are based on

management's reasonable assumptions, Power Metals assumes no responsibility to update or

revise forward-looking information to reflect new events or circumstances unless required by law.

Although the Company believes that the expectations and assumptions on which the forward-

looking statements are based are reasonable, undue reliance should not be placed on the forward-

looking statements because the Company can give no assurance that they will prove to be correct.

Since forward-looking statements address future events and conditions, by their very nature they

involve inherent risks and uncertainties. These statements speak only as of the date of this press

release.

Actual results could differ materially from those currently anticipated due to several factors and

risks including various risk factors discussed in the Company's disclosure documents which can

be found under the Company's profile on

www.sedar.com

.

This press release contains "forward-looking statements" within the meaning of Section 27A of the

Securities Act of 1933, as amended, and Section 21E the Securities Exchange Act of 1934, as

amended and such forward-looking statements are made pursuant to the safe harbor provisions of

the Private Securities Litigation Reform Act of 1995. The TSXV has neither reviewed nor approved

the contents of this press release.

SOURCE

Power Metals Corp.

View original content to download multimedia:

http://www.newswire.ca/en/releases/archive/December2025/12/c7351.html

%SEDAR: 00024408E

For further information:

Power Metals Corp, Johnathan More, 515-401-7479,

[email protected]

CO: Power Metals Corp.

CNW 09:30e 12-DEC-25