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Purepoint and IsoEnergy Joint Venture Approves 2026 Program to Advance the Nova Discovery at the Dorado Project

Mergers & Acquisitions Exploration Programs Partnerships & JV

Purepoint and IsoEnergy Joint Venture

Approves 2026 Program to Advance the Nova

Discovery at the Dorado Project

Toronto, Ontario--(Newsfile Corp. - December 4, 2025) -

Purepoint Uranium Group Inc. (TSXV:

PTU) (OTCQB: PTUUF)

today announced that the Purepoint and IsoEnergy Joint Venture has

approved an expanded exploration program for 2026 following strong results from this year's drilling at

the Dorado Project. The Nova discovery ("

Nova Discovery

" or "

Nova

") returned uranium grades up to

8.1% U

O

over 0.4 metre within 2.1 metres of 1.6% U

O

in hole PG25-07A confirming a steeply

dipping uranium bearing structure that remains open in all directions (see news release dated

September 18, 2025

).

"The joint venture's approval of the 2026 program reflects the significance of the Nova Discovery," said

Chris Frostad, President and CEO of Purepoint Uranium Group. "Each step out delivered stronger

mineralization, and the open northeastern extension has become our priority. The coming year allows us

to advance Nova with purpose and begin evaluating additional high priority zones across the Dorado

Project."

Highlights:

The joint venture approved a dedicated exploration program to advance the Dorado Project

(Figure 4) following up on this year's Nova Discovery which returned assays

of 8.1% U

3

O

8

over

0.4 metre within 2.1 metres of 1.6% U

3

O

8

The approved program includes 17 holes totalling 7,450 metres across winter and summer

campaigns

Winter 2026 drill program (January - March) will focus on expanding Nova with

10 holes

totalling approximately 4,300 metres

District-scale summer 2026 drill campaign (July - August) will test priority targets with

7

holes totalling approximately 3,150 metres

Airborne magnetotellurics survey is planned for late winter or spring

Winter access and wetland drill pads will be established this month including

8 km

of existing trail

and

10 km

of new trail construction

Program Summary

Winter 2026 - Nova Expansion

The winter drill program aims to advance the Nova Discovery with 10 skidder supported drill holes

totaling 4,300 metres. Drilling will initially focus on the corridor between PG25-03 and PG25-07A, a

distance of 800 metres, with 30 to 50 metre step outs to the northeast where the strongest mineralization

was encountered. The Nova mineralization remains open in all directions.

Airborne Magnetotellurics (MT) Survey

A late winter or spring MT survey will be completed across the Serin, Laysan, Turaco, Q40, Q2 and Q48

grids to refine deeper structural targets.

Summer 2026 - District Scale Drilling Across the Dorado Project

A helicopter supported drill program of 7 holes totaling 3,150 metres will be undertaken in July and

August to test conductive and structural targets across the Q23, Q24, Turaco, Laysan and Q40 grids.

The Summer program will be subject to change pending winter drill results.

Figure 1: Dorado Joint Venture Project

To view an enhanced version of this graphic, please visit:

https://images.newsfilecorp.com/files/3218/276850_3bd4d48a6409eb8c_002full.jpg

* See Qualified Person Statement below.

Figure 2: Location Map of 2025 Drill Program at Q48 Target Area and the new Nova Discovery

To view an enhanced version of this graphic, please visit:

https://images.newsfilecorp.com/files/3218/276850_3bd4d48a6409eb8c_003full.jpg

Figure 3: Vertical Longitudinal Section of the Nova Discovery

To view an enhanced version of this graphic, please visit:

https://images.newsfilecorp.com/files/3218/276850_purepointimage3.jpg

About the Dorado Project

The Dorado Project (Figure 1) is the flagship project of the IsoEnergy-Purepoint 50/50 joint venture, a

partnership encompassing more than 98,000 hectares of prime uranium exploration ground. The Dorado

Project includes the former Turnor Lake, Geiger, Edge, and Full Moon properties, all underlain by

graphite-bearing lithologies and fault structures favorable for uranium deposition.

Recent drilling by IsoEnergy east of the Hurricane Deposit has intersected strongly elevated radioactivity

in multiple holes. The anomalous radioactivity confirms the continuity of the fertile graphitic rock package

and further highlights the opportunity for additional high-grade discoveries across the region.

The shallow unconformity depths across the Dorado Project property-typically between 30 and 300

metres-allow for highly efficient drilling and rapid follow-up on results.

Figure 4: IsoEnergy and Purepoint Uranium Joint Venture including, Dorado Project, Aurora

Project and Celeste Block

To view an enhanced version of this graphic, please visit:

https://images.newsfilecorp.com/files/3218/276850_3bd4d48a6409eb8c_005full.jpg

* See Qualified Person Statement below.

Qualified Person Statement

The scientific and technical information contained in this news release relating to Purepoint was

reviewed and approved by Scott Frostad BSc, MASc, P.Geo., Purepoint's Vice President, Exploration,

who is a "Qualified Person" (as defined in NI 43-101 -

Standards of Disclosure for Mineral Projects

("NI

43-101")).

About Purepoint

Purepoint Uranium Group Inc. (TSXV: PTU) (OTCQB: PTUUF) is a focused explorer with a dynamic

portfolio of advanced projects within the renowned Athabasca Basin in Canada. Highly prospective

uranium projects are actively operated on behalf of partnerships with industry leaders including Cameco

Corporation, Orano Canada Inc. and IsoEnergy Ltd.

Additionally, the Company holds a promising VMS project currently optioned to and strategically

positioned adjacent to and on trend with Foran Mining Corporation's McIlvenna Bay project. Through a

robust and proactive exploration strategy, Purepoint is solidifying its position as a leading explorer in

one of the globe's most significant uranium districts.

For more information, please contact:

Purepoint Uranium Group Inc.

Chris Frostad, President & CEO

Phone: (416) 603-8368

Email:

[email protected]

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

policies of the Exchange) accepts responsibility for the adequacy or accuracy of this Press

release.

Cautionary Statement Regarding Forward-Looking Information

This press release contains "forward-looking information" within the meaning of applicable Canadian

securities legislation. Generally, forward-looking information can be identified by the use of forward-

looking terminology such as "plans", "expects" or "does not expect", "is expected", "budget",

"scheduled", "estimates", "forecasts", "intends", "anticipates" or "does not anticipate", or "believes", or

variations of such words and phrases or state that certain actions, events or results "may", "could",

"would", "might" or "will be taken", "occur" or "be achieved". This forward-looking information may

relate to additional planned exploration activities, including the timing thereof and the anticipated

results thereof; and any other activities, events or developments that the companies expect or

anticipate will or may occur in the future.

Forward-looking statements are necessarily based upon a number of assumptions that, while

considered reasonable by management at the time, are inherently subject to business, market and

economic risks, uncertainties and contingencies that may cause actual results, performance or

achievements to be materially different from those expressed or implied by forward-looking

statements. Such assumptions include, but are not limited to, that planned exploration activities are

completed as anticipated;

the anticipated costs of planned exploration activities, the price of uranium;

that general business and economic conditions will not change in a materially adverse manner; that

financing will be available if and when needed and on reasonable terms; and that third party

contractors, equipment and supplies and governmental and other approvals required to conduct the

Joint Venture's planned activities will be available on reasonable terms and in a timely manner.

Although each of IsoEnergy and Purepoint have attempted to identify important factors that could

cause actual results to differ materially from those contained in forward-looking information, there may

be other factors that cause results not to be as anticipated, estimated or intended. There can be no

assurance that such information will prove to 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 information.

Such statements represent the current views of IsoEnergy and Purepoint with respect to future events

and are necessarily based upon a number of assumptions and estimates that, while considered

reasonable by IsoEnergy and Purepoint, are inherently subject to significant business, economic,

competitive, political and social risks, contingencies and uncertainties. Risks and uncertainties

include but are not limited to the following: the inability of the Joint Venture to complete the exploration

activities as currently contemplated; ; uncertainty of additional financing; no known mineral resources

or reserves; aboriginal title and consultation issues; reliance on key management and other

personnel; actual results of technical work programs and technical and economic assessments being

different than anticipated; regulatory determinations and delays; stock market conditions generally;

demand, supply and pricing for uranium; and general economic and political conditions. Other factors

which could materially affect such forward-looking information are described in the risk factors in each

of IsoEnergy's and Purepoint's most recent annual management's discussion and analyses or annual

information forms and IsoEnergy's and Purepoint's other filings with the Canadian securities

regulators which are available, respectively, on each company's profile on SEDAR+ at

www.sedarplus.ca

. IsoEnergy and Purepoint do not undertake to update any forward-looking

information, except in accordance with applicable securities laws.

To view the source version of this press release, please visit

https://www.newsfilecorp.com/release/276850