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F3 Uranium Hits 57,100 cps in Widest Mineralized Interval to Date Steps Out 60m From Discovery Hole and Extends Strike Length to 75m.

Drill Results

F3 Uranium Hits 57,100 cps in Widest

Mineralized Interval to Date

Steps Out 60m From Discovery Hole and Extends Strike

Length to 75m.

Kelowna, British Columbia--(Newsfile Corp. - February 21, 2023) -

F3 Uranium Corp

(

TSXV: FUU

)

(

OTCQB: FUUFF

) ("

F3

" or "

the Company

") is pleased to announce scintillometer results from four

additional holes of the ongoing 20-hole winter drill program at the JR Zone on the Patterson Lake North

("PLN") Property, including three high grade intercepts. Drill hole PLN23-050 was collared as a step out

on line 045S and intersected the widest mineralized interval to date over 21.0m, including 3.19m of

composite radioactivity with >10,000 cps and a peak of 57,100 cps at a downhole depth of 255.0m.

PLN23-052 stepped out further to line 060S and resulted in 11.0m of mineralization, including 1.70m of

continuous radioactivity with >10,000 cps and a peak of 53,600 cps. Infill drillhole PLN23-053 on line

030S intersected radioactivity over a 9.5m interval between 245.5m and 255.0m including 2.10m of

composite radioactivity with >10,000 cps and a peak of 48,100 cps.

Raymond Ashley, Vice President Exploration, commented:

"The technical team is delighted to announce scintillometer results of step out hole PLN23-050 on

line 045S where mineralization was encountered over a 21.0m interval within the A1 main shear zone,

including the high grade core. We are continuing with disciplined step out drilling and growing the JR

Zone further along strike to the south, which has now been defined over a total length of 75 meters to

section line 060S where PLS23-052 intersected high grade mineralization with up to 53,600 cps.

Although PLS23-051 on section line 00SN tested the MSZ closer to the Athabasca Unconformity and

did encounter radioactivity, we anticipate focusing the remaining winter program on basement hosted

mineralization. The JR Zone continues to impress with high grade intercepts as we define it along

strike while also building some width with infill drill holes."

Drilling Highlight:

PLN23-050

(line 045S):

21.0m

mineralization from 248.5m - 269.5m, including

3.19m

composite

mineralization of >10,000 cps radioactivity between 252.10m - 256.00m

with a peak of 57,100 cps over 0.50m from 255.0m - 255.5 m (see Photo 1.)

Main Intercepts:

PLN23-051

(line 00N):

1.0m

mineralization from 204.5m - 205.5m

PLN23-052

(line 060S):

11.0m

mineralization from 245.0m - 256.0m, including

1.70m

continuous

mineralization of >10,000 cps radioactivity between 253.00m - 254.70m

with a peak of 53,600 cps over 0.50m from 254.0m - 254.5m

PLN23-053

(line 030S):

9.5m

mineralization from 245.5m - 255.0 m, including

2.10m

composite mineralization of >10,000 cps radioactivity between 251.10m - 254.30m

with a peak of 48,100 cps over 0.50m from 252.00m - 252.50m

Natural gamma radiation in the drill core that is reported in this news release was measured in counts

per second (cps) using a handheld Radiation Solutions RS-125 scintillometer. The Company considers

greater than 300 cps on the handheld spectrometer as anomalous, >10,000 cps as high grade and

greater than 65,535 cps as off-scale. The reader is cautioned that scintillometer readings are not directly

or uniformly related to uranium grades of the rock sample measured and should be used only as a

preliminary indication of the presence of radioactive materials. All depth measurements reported are

down-hole and true thickness are yet to be determined. Samples from the drill core are split in half on

site and are standardized at 0.5m lengths. One half of the split sample will be submitted to SRC

Geoanalytical Laboratories (an SCC ISO/IEC 17025: 2005 Accredited Facility) in Saskatoon, SK. for

lithogeochemical analysis using their "Uranium Package".

All depth measurements reported are down-hole and true thickness are yet to be determined but the

Company estimates true thickness of the reported intervals in this news release to be close to reported

interval widths.

Photo 1: PLN23-050 Drill Core Photo

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

https://images.newsfilecorp.com/files/8110/155523_23195346747dbb64_002full.jpg

Table 1. Drill Hole Summary and Handheld Spectrometer Results

Collar Information

* Hand-held Spectrometer Results On

Mineralized Drillcore (>300 cps / >0.5m

minimum)

Athabasca

Unconformity

Depth (m)

Total

Drillhole

Depth (m)

Hole ID

Section

Line

Easting

Northing

Elevation

Az

Dip

From

(m)

To

(m)

Interval

(m)

Max

CPS

PLN23-

050

045S

587703.9

6410690.8

545.1

53.7

-59.2

248.50

249.00

0.50

330

206.9

356

249.00

249.50

0.50

<300

249.50

250.00

0.50

2200

250.00

250.50

0.50

300

250.50

251.00

0.50

4100

251.00

251.50

0.50

2200

251.50

252.00

0.50

2200

252.00

252.10

0.10

3000

252.10

252.50

0.40

17300

252.50

252.79

0.29

29500

252.79

253.00

0.21

2700

253.00

253.50

0.50

9700

253.50

254.00

0.50

38400

254.00

254.50

0.50

21700

254.50

255.00

0.50

28900

255.00

255.50

0.50

57100

255.50

256.00

0.50

23700

256.00

256.50

0.50

1200

256.50

257.00

0.50

710

257.00

257.50

0.50

<300

257.50

258.00

0.50

350

258.00

258.50

0.50

9400

258.50

259.00

0.50

9500

259.00

259.50

0.50

8900

259.50

260.00

0.50

350

260.00

261.50

1.50

<300

261.50

262.00

0.50

690

262.00

262.50

0.50

1000

262.50

263.00

0.50

2600

263.00

263.50

0.50

1400

263.50

264.00

0.50

<300

264.00

264.50

0.50

510

264.50

265.00

0.50

1600

265.00

265.50

0.50

520

265.50

266.00

0.50

300

266.00

267.50

1.50

<300

267.50

268.00

0.50

620

268.00

268.50

0.50

<300

268.50

269.00

0.50

910

269.00

269.50

0.50

360

PLN23-

051

00N

587773.5

6410795.4

545.6

54.1

-74.1

204.50

205.00

0.50

310

186.4

336.6

205.00

205.50

0.50

620

209.00

209.50

0.50

470

PLN23-

052

060S

587715.4

6410680.8

545.1

54.0

-61.4

245.00

245.50

0.50

370

202.1

359

245.50

246.00

0.50

1360

246.00

246.50

0.50

510

246.50

248.50

2.00

<300

248.50

249.00

0.50

350

249.00

249.50

0.50

1300

249.50

250.00

0.50

500

250.00

250.50

0.50

1200

250.50

251.00

0.50

5800

251.00

251.50

0.50

4500

251.50

252.50

1.00

<300

252.50

253.00

0.50

520

253.00

253.50

0.50

24400

253.50

254.00

0.50

51900

254.00

254.50

0.50

53600

254.50

254.70

0.20

22200

254.70

255.00

0.30

3600

255.00

255.50

0.50

1300

255.50

256.00

0.50

420

265.00

265.50

0.50

340

265.50

266.00

0.50

980

PLN23-

053

030S

587697.8

6410700.7

545.1

54.5

-60.7

245.50

246.00

0.50

880

204.1

390

246.00

246.50

0.50

600

246.50

247.00

0.50

710

247.00

248.50

1.50

<300

248.50

249.00

0.50

390

249.00

249.50

0.50

330

249.50

250.00

0.50

440

250.00

250.50

0.50

530

250.50

251.00

0.50

450

251.00

251.10

0.10

2100

251.10

251.50

0.40

26500

251.50

252.00

0.50

43400

252.00

252.50

0.50

48100

252.50

253.00

0.50

7300

253.00

253.10

0.10

8600

253.10

253.50

0.40

28300

253.50

254.00

0.50

3900

254.00

254.30

0.30

18700

254.30

254.50

0.20

8700

254.50

255.00

0.50

380

262.50

263.00

0.50

990

Technical Update:

The company is also pleased to provide a brief technical note to provide some additional context to the

drill results reported thus far. Originally, an airborne EM conductor was identified in the area by Fission

Energy, a predecessor to F3 Uranium, in 2008. This conductive zone was further refined by a ground EM

survey in 2012 and named the "A1 conductor"; tight spaced follow-up ground EM and IP resistivity

surveys were conducted in early 2022 to create a more constrained EM plate model. The product of this

conductor interpretation is the geophysical representation of the geological structure hosting the JR

Zone; this structure is now called the A1 main shear zone, or MSZ, which is shown on F3's cross

sections and plan maps. The MSZ is a reverse fault, hosted in variably altered and deformed granite and

orthogneiss units and features a wide damage zone containing variably mylonitic, brecciated and locally

silicified fault zones; these are host to the JR Zone's uranium mineralization. Based on current drilling,

the A1 MSZ appears to have a relatively shallow dip of approximately 50 degrees towards the

southwest, which differs from the original geophysical interpretations that were the basis for F3's 2014

and 2019 drill programs; these assumed a much steeper dipping structure based on historically

modeled ground EM plates.

F3's use of sonic drilling in combination with traditional diamond drill coring allows for shallow drill hole

inclinations resulting in close to perpendicular interceptions of the JR Zone.

Mineralization currently remains open in all directions.

About Patterson Lake North:

The Company's large 39,946-hectare 100% owned Patterson Lake North property (PLN) is located just

within the south-western edge of the Athabasca Basin in proximity to Fission Uranium's Triple R and

NexGen Energy's Arrow high-grade world class uranium deposits which is poised to become the next

major area of development for new uranium operations in northern Saskatchewan. PLN is accessed by

Provincial Highway 955, which transects the property, and the new JR Zone uranium discovery is located

23km northwest of Fission Uranium's Triple R deposit.

Qualified Person:

The technical information in this news release has been prepare in accordance with the Canadian

regulatory requirements set out in National Instrument 43-101 and approved on behalf of the company by

Raymond Ashley, P.Geo., Vice President of Exploration of F3 Uranium Corp, a Qualified Person. Mr.

Ashley has verified the data disclosed.

About F3 Uranium Corp.:

F3 Uranium is a uranium project generator and exploration company, focusing on projects in the

Athabasca Basin, home to some of the world's largest high grade uranium discovery. F3 Uranium

currently has 16 projects in the Athabasca Basin. Several of F3's projects are near large uranium

discoveries including Triple R, Arrow and Hurricane.

Forward Looking Statements

This news release contains certain forward-looking statements within the meaning of applicable

securities laws. All statements that are not historical facts, including without limitation, statements

regarding future estimates, plans, programs, forecasts, projections, objectives, assumptions,

expectations or beliefs of future performance, including statements regarding the suitability of the

Properties for mining exploration, future payments, issuance of shares and work commitment funds,

entry into of a definitive option agreement respecting the Properties, are "forward-looking statements."

These forward-looking statements reflect the expectations or beliefs of management of the Company

based on information currently available to it. Forward-looking statements are subject to a number of

risks and uncertainties, including those detailed from time to time in filings made by the Company with

securities regulatory authorities, which may cause actual outcomes to differ materially from those

discussed in the forward-looking statements. These factors should be considered carefully and readers

are cautioned not to place undue reliance on such forward-looking statements. The forward-looking

statements and information contained in this news release are made as of the date hereof and the

Company undertakes no obligation to update publicly or revise any forward-looking statements or

information, whether as a result of new information, future events or otherwise, unless so required by

applicable securities laws.

The TSX Venture Exchange and the Canadian Securities Exchange have not reviewed, approved or

disapproved the contents of this press release, and do not accept responsibility for the adequacy or

accuracy of this release.

F3 Uranium Corp.

750-1620 Dickson Avenue

Kelowna, BC V1Y9Y2

Contact Information

Investor Relations

Telephone: 778 484 8030

Email:

[email protected]

ON BEHALF OF THE BOARD

"Dev Randhawa"

Dev Randhawa, CEO

Figure 1

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

https://images.newsfilecorp.com/files/8110/155523_23195346747dbb64_005full.jpg

Figure 2

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

https://images.newsfilecorp.com/files/8110/155523_23195346747dbb64_006full.jpg

Figure 3

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

https://images.newsfilecorp.com/files/8110/155523_23195346747dbb64_007full.jpg