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F3 Grows JR by 50% and Hits Strongest Radioactivity To Date With 6.0m Off-scale (>65,535 cps) Steps Out 135m From Discovery Hole and Extends Strike Length to 156m

Drill Results

F3 Grows JR by 50% and Hits Strongest

Radioactivity To Date With 6.0m Off-scale

(>65,535 cps)

Steps Out 135m From Discovery Hole and Extends Strike

Length to 156m

Kelowna, British Columbia--(Newsfile Corp. - July 4, 2023) -

F3 Uranium Corp

(

TSV: FUU

) (

OTCQB:

FUUFF

) ("

F3

" or "

the Company

") is pleased to announce scintillometer results from the initial eight

holes of the ongoing 30-hole summer drill program at the JR Zone on the Patterson Lake North ("PLN")

Property, including four high grade intercepts. Drill hole PLN23-068 tested for mineralization 22 meters

up-dip of the high grade intercept reported in PLN23-060 (see NR April 17, 2023) on line 060S and

intersected mineralization over a 19.0m interval, including

6.00m off-scale radioactivity (>65,535 cps)

between 234.00m and 245.00m, 5.00m of which is continuous. The JR Zone was extended grid south to

line 135S, a 50% increase in the JR Zone strike length to 156m, after stepping out 30m from line 105S,

where PLN23-66 hit 16.5m of composite mineralization between 219.0m and 260.5m.

Sam Hartmann, Vice President Exploration, commented:

"We are pleased with the rapid progression of this summer drill program and the results generated far. In

particular PLN23-068 returned exceedingly strong results on line 60S, with mineralization starting only

approximately 17 meters vertically below the Athabasca Unconformity, which remains a target for this

drill program. So far we are sticking to the script and growing the mineralized footprint along strike and

up-dip towards the unconformity as planned. PLN23-067 stepped out to line 135S, and although the

radioactivity is less intense, there is mineralization over a 16.5 meter interval, which sets us up for further

step outs towards the south. A second sonic drill in addition to a second diamond drill later this month

will see the inclusion of some exploration drilling along the A1 main shear, as well as contribute to JR

Zone expansion drilling."

Drilling Highlight:

PLN23-068

(line 060S):

19.0m

mineralization from 228.0m - 247.0m, including

8.09m

composite

mineralization of >10,000 cps radioactivity between 233.60m - 245.00m

including

6.00m off-scale radioactivity(> 65,535 cps)

between 234.00m and 245.00m, of

which 5.00m is continuous

Main Intercepts:

PLN23-063

(line 030S):

13.5m

mineralization from 233.0m - 246.5m, including

0.70m

continuous

mineralization of >10,000 cps radioactivity between 237.30m - 238.00m

0.43m

continuous

mineralization of >10,000 cps radioactivity between 243.73m - 244.16m

PLN23-064

(line 105S):

17.5m

mineralization from 233.0m - 250.5m, including

0.40m

composite mineralization of >10,000 cps radioactivity between 237.88m - 241.5m

with a peak of 35,500 cps over 0.12m from 237.88m - 238.00m

PLN23-065

(line 0755S):

3.5m

mineralization from 242.0m - 245.5m

PLN23-066

(line 105S):

16.5m

composite mineralization from 219.0m - 260.5m, including

0.21m of mineralization

of >

10,000 cps radioactivity between 248.79m - 249.0m with a

peak of 11,700 cps

PLN23-067

(line 135S):

16.5m

mineralization from 222.0m - 238.5m

PLN23-069

(line 135S):

1.5m

mineralization from 228.5m - 230.0m

PLN23-070

(line 135S):

6.0m

composite mineralization from 232.0m - 244.5m

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. 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.

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-

063

030S

587715.691

6410720.56

545.108

56

-61

233.00

233.50

0.50

1000

207.1

350

233.50

234.00

0.50

520

234.00

234.50

0.50

2800

234.50

235.00

0.50

4700

235.00

235.50

0.50

1100

235.50

236.00

0.50

960

236.00

236.50

0.50

5100

236.50

237.00

0.50

1400

237.00

237.30

0.30

6300

237.30

237.50

0.20

25300

237.50

238.00

0.50

23800

238.00

238.50

0.50

2200

238.50

239.00

0.50

2200

239.00

239.50

0.50

660

239.50

240.00

0.50

810

240.00

240.50

0.50

480

240.50

241.00

0.50

1300

241.00

241.50

0.50

820

241.50

242.00

0.50

1400

242.00

242.50

0.50

1500

242.50

243.00

0.50

590

243.00

243.50

0.50

2500

243.50

243.73

0.23

3500

243.73

244.00

0.27

13000

244.00

244.16

0.16

16900

244.16

244.50

0.34

2400

244.50

246.00

1.50

<300

246.00

246.50

0.50

440

PLN23-

064

105S

587746.116

6410646.05

545.245

55

-58

233.00

233.50

0.50

370

203.0

428.2

233.50

234.00

0.50

600

234.00

234.50

0.50

800

234.50

235.00

0.50

950

235.00

235.50

0.50

580

235.50

236.00

0.50

610

236.00

236.50

0.50

5400

236.50

237.00

0.50

2500

237.00

237.50

0.50

2500

237.50

237.88

0.38

2900

237.88

238.00

0.12

35500

238.00

238.50

0.50

8400

238.50

239.00

0.50

4100

239.00

239.50

0.50

5200

239.50

240.00

0.50

800

240.00

240.50

0.50

3300

240.50

241.00

0.50

6100

241.00

241.22

0.22

3100

241.22

241.50

0.28

11400

241.50

242.00

0.50

5000

242.00

242.50

0.50

2100

242.50

243.00

0.50

4400

243.00

243.50

0.50

360

243.50

244.00

0.50

430

244.00

244.50

0.50

940

244.50

245.00

0.50

1700

245.00

245.50

0.50

3900

245.50

246.00

0.50

430

246.00

246.50

0.50

810

246.50

247.00

0.50

730

247.00

247.50

0.50

410

247.50

248.00

0.50

430

248.00

248.50

0.50

<300

248.50

249.00

0.50

1100

249.00

249.50

0.50

2700

249.50

250.00

0.50

1100

250.00

250.50

0.50

440

PLN23-

065

075S

587715.124

6410659.46

545.447

55

-61

242.00

242.50

0.50

360

198.0

317

242.50

243.00

0.50

540

243.00

243.50

0.50

520

243.50

244.00

0.50

1100

244.00

244.50

0.50

310

244.50

245.00

0.50

<300

245.00

245.50

0.50

1300

PLN23-

066

105S

587737.885

6410640.33

545.017

54

-60

219.00

219.50

0.50

510

194.2

356

219.50

220.00

0.50

680

220.00

220.50

0.50

470

220.50

222.00

1.50

<300

222.00

222.50

0.50

840

222.50

223.00

0.50

770

223.00

223.50

0.50

470

223.50

224.00

0.50

830

224.00

224.50

0.50

1400

224.50

225.00

0.50

1100

225.00

225.50

0.50

1400

225.50

226.00

0.50

1600

226.00

226.50

0.50

980

226.50

227.00

0.50

940

227.00

227.50

0.50

980

239.50

240.00

0.50

370

240.00

240.50

0.50

330

240.50

241.00

0.50

560

243.50

244.00

0.50

1300

244.00

244.50

0.50

370

244.50

245.00

0.50

500

245.00

245.50

0.50

500

245.50

246.00

0.50

720

246.00

246.50

0.50

1400

246.50

247.00

0.50

4000

247.00

247.50

0.50

500

247.50

248.00

0.50

1500

248.00

248.50

0.50

3800

248.50

248.79

0.29

8800

248.79

249.00

0.21

11700

249.00

249.50

0.50

5000

260.00

260.50

0.50

690

PLN23-

067

135S

587771.893

6410629.1

544.924

54

-61

222.00

222.50

0.50

980

185.3

386

222.50

223.00

0.50

1300

223.00

223.50

0.50

420

223.50

224.00

0.50

<300

224.00

224.50

0.50

850

224.50

225.00

0.50

760

225.00

225.50

0.50

460

225.50

226.00

0.50

310

226.00

226.50

0.50

420

226.50

227.00

0.50

710

227.00

227.50

0.50

1100

227.50

228.00

0.50

630

228.00

228.50

0.50

930

228.50

229.50

1.00

<300

229.50

230.00

0.50

330

230.00

230.50

0.50

570

230.50

231.00

0.50

3400

231.00

231.50

0.50

3200

231.50

232.00

0.50

2300

232.00

232.50

0.50

490

232.50

233.00

0.50

460

233.00

233.50

0.50

490

233.50

234.00

0.50

3100

234.00

234.50

0.50

3100

234.50

235.00

0.50

6300

235.00

235.50

0.50

1400

235.50

236.00

0.50

1400

236.00

236.50

0.50

2100

236.50

237.00

0.50

1900

237.00

237.50

0.50

970

237.50

238.00

0.50

2800

238.00

238.50

0.50

4200

PLN23-

068

060S

587736.962

6410695.49

545.483

54

-59

228.00

228.50

0.50

390

209.0

365

228.50

230.00

1.50

<300

230.00

230.50

0.50

410

230.50

231.00

0.50

670

231.00

231.50

0.50

730

231.50

232.00

0.50

330

232.00

232.50

0.50

1700

232.50

233.00

0.50

820

233.00

233.50

0.50

2400

233.50

233.60

0.10

6000

233.60

234.00

0.40

62100

234.00

234.50

0.50

>65535

234.50

234.74

0.24

4900

234.74

234.80

0.06

13600

234.80

235.00

0.20

9600

235.00

235.50

0.50

>65535

235.50

236.00

0.50

>65535

236.00

236.50

0.50

>65535

236.50

237.00

0.50

>65535

237.00

237.50

0.50

>65535

237.50

238.00

0.50

>65535

238.00

238.50

0.50

>65535

238.50

239.00

0.50

>65535

239.00

239.50

0.50

>65535

239.50

240.00

0.50

>65535

240.00

240.25

0.25

6700

240.25

240.50

0.25

12800

240.50

240.90

0.40

7200

240.90

241.00

0.10

10100

241.00

241.17

0.17

6100

241.17

241.50

0.33

13100

241.50

242.00

0.50

3100

242.00

242.15

0.15

7200

242.15

242.50

0.35

23200

242.50

243.00

0.50

1800

243.00

243.20

0.20

710

243.20

243.50

0.30

11300

243.50

243.80

0.30

18600

243.80

244.00

0.20

3200

244.00

244.50

0.50

3800

244.50

245.00

0.50

>65535

245.00

245.50

0.50

2500

245.50

246.00

0.50

3400

246.00

246.50

0.50

620

246.50

247.00

0.50

440

PLN23-

069

135S

587780.362

6410634.04

544.934

55

-60

228.50

229.00

0.50

2400

191.7

308

229.00

229.50

0.50

1300

229.50

230.00

0.50

310

PLN23-

070

135S

587764.928

6410620.11

544.8

54

-62

232.00

232.50

0.50

300

185.1

353

232.50

233.00

0.50

<300

233.00

233.50

0.50

440

240.00

240.50

0.50

320

240.50

241.00

0.50

480

241.00

241.50

0.50

<300

241.50

242.00

0.50

1400

242.00

243.50

1.50

<300

243.50

244.00

0.50

520

244.00

244.50

0.50

350

Handheld spectrometer composite parameters:

1: Minimum Thickness of 0.5m

2: CPS Cut-Off of 300 counts per second

3: Maximum Internal Dilution of 2.0m

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