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Niobay Announces the Presence of Mineralization WEST of the Known Zone ON the Crevier Property

Corporate Updates

Press release

TSX-V: NBY & OTCQB: NBYCF

NIOBAY ANNOUNCES THE PRESENCE OF MINERALIZATION WEST OF THE

KNOWN ZONE ON THE CREVIER PROPERTY

Montréal, Québec, April 20, 2023 – NioBay Metals Inc. (“NioBay” or the “Company”) (TSX-V:

NBY) (OTCQB: NBYCF) is pleased to share the firs t assay results received from drilling on its

Crevier niobium and tantalum project, located 53 km north of the municipality of Girardville,

Québec (the “Crevier Project”). A drill campaign took place from September to November

2022, and a total of 10 drill holes (4,000 m) were completed (Press release dated

December 14, 2022).

The drill holes targeted positions outside of the known zone in order to validate a new

interpretation. Boulders iden tified during an advanced pr ospecting campaign completed

throughout the summer of 2022 also helped to position the holes. The partial results

presented here are from holes 01, 06 and the beginning of hole 09, positioned 200 m to

1,100 m west of the known zone in an area not previously drilled.

Table 1: Composites of intersected mineralization

HOLE

From

(m)

To

(m)

Length

(m)

Nb2O5 %

Ta2O5 %

REE

ppm*

1532-22-01 36.1 38.1 2 0.11

47.65 49.55 1.9

0.01

82.2 83.2 1

0.01

88.2 94.2 6

0.02

88.2 92.2 4 0.10

93.2 94.2 1 0.11

96.2 101.2 5

0.02

99.2 100.2 1 0.18

102.2 105.2 3

0.01

102.2 103.2 1 0.12

104.2 105.2 1 0.11

109.2 110.2 1

0.01

111.2 113.05 1.85

0.01

117.95 122.35 4.4 0.18 0.04

124.55 127.7 3.15 0.15 0.03

137.75 139.75 2

0.01

172.8 176.6 3.8

1,287.67

179.9 181.3 1.4

0.01

186.17 187.6 1.43

1,281.15

195.5 196.5 1

1,336.57

197.52 198.6 1.08 0.15

213.0 214.02 1.02

1,041.50

217.33 218.33 1

1,067.85

218.33 220.33 2 0.12

2

237.56 239.5 1.94

1,112.35

246.43 248.06 1.63

1,630.28

267.29 269 1.71

1,055.29

271.0 277 6

1,096.62

281.0 283 2

1,312.20

325.41 326.41 1

1,509.32

344.15 345.15 1

1,525.50

1532-22-06 34.0 36 2

1,164.44

111.0 112 1

1,027.51

113.0 114 1

0.02

115.0 116 1

1,167.91

139.64 140.64 1

0.01

140.64 141.64 1

1,019.32

220.35 221.35 1

0.02

264.84 266.69 1.85

0.03

265.64 266.69 1.05 0.13

266.69 267.7 1.01

1,046.69

333.87 334.89 1.02

1,342.53

341.63 343.8 2.17

0.02

341.63 342.78 1.15

1,518.82

342.78 343.8 1.02 0.17

350.77 351.77 1

0.01

369.82 370.83 1.01 0.11 0.03 1,381.56

401.87 402.88 1.01

0.02

455.74 456.74 1

1,006.71

1532-22-09** 80.39 82.4 2,01

0.01

93.8 94.8 1

0.02

118.1 119.1 1

0.01

123.5 125.48 1.98

0.01

130.15 131.15 1

1,248.30

132.15 133.15 1

0.01

143.4 144.6 1.2

0.01

143.4 146.63 3.23

1,119.50

151.6 152.6 1 0.10

155.6 156.6 1

0.01

*REE : Tb, Dy, Ho, Er, Tm, Yb, Lu, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd and Y, Sc

**Results to come 157 m and over

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Figure 1: Map of the 2022 drill campaign

Table 2: Location of drill collars (UTM NAD83)

Hole Name

Easting

(UTM N83)

Northing

(UTM N83)

Elev. (m)

Azm.

Dip

Length (m)

1532-22-01 660388 5482784 358 230 -45 402

1532-22-06 660067 5481180 341 250 -45 463

1532-22-09 660310 5481824 340 270 -45 501

Message from the President of NioBay and Crevier Minerals

“We are pleased to be able to share the first results of last fall's drill campaign on the Crevier

Project. These results are very encouraging and we are happy to see intersections with higher

values than the average grade of the known ar ea, with respect to tantalum. The price of

tantalum oxide is around $240 per kilogram an d varies depending on the purity and the

customer,” says Jean-Sébastien David, geo. Chief Executive Officer of NioBay. He added that,

“We are already looking forward to sharing the next set of drill results and adding all the

results to our new 3D model.”

Qualified person

Mikaël Block. P. Geo. is the Qualified Person under NI 43-101 and a geologist at IOS

Geoscientific Services Inc., and in charge of the field drilling project. He is responsible for the

technical data presented in this press release and is a registered professional geologist in the

province of Québec.

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About NioBay Metals Inc.

NioBay is a company focused on exploration, development and use of critical green metals

with an Environmentally, Sustainable, Gove rnance, and Indigenous (ESGI) focus. The

Company holds a 100% interest in the James Bay Niobium Project located 45 km south of

Moosonee, in the Moose Cree Traditional Territo ry of the James Bay Lowlands in Ontario.

NioBay also holds a 72.5% interest in the Cr evier Niobium and Tantalum project located in

Quebec and on the Nitassinan territory of the Pekuakamiulnatsh First Nation.

About Niobium

Niobium is a metallic chemical element, symbolized by the symbol Nb. It is present in nature

i n t h e f o rm o f m in er al s su ch a s co l u m b it e, tantalite, and pyrochlore. Niobium is a grayish

metal that is malleable, ductile, and resistant to corrosion.

Niobium is used in many industrial fields such as the production of stainless steel, aerospace

construction, the production of cutting tools, the manufacturing of super alloys for nuclear

reactors and rocket engine s, as well as for the production of high-performance electrolytic

capacitors. In addition, niobium is also used in the medical industry for the production of

surgical implants, especially for bones and teeth.

Niobium is a relatively rare element in the Ea rth's crust, making it a valuable and costly

material. However, its high resistance to corrosion, high conductivity, and ability to withstand

extreme temperatures make it an essential ma terial in many technological and industrial

applications.

Cautionary Statement

Certain statements contained in this press re lease constitute forward-looking information

under the provisions of Canadian securities laws including statements about the Company's

plans. Such statements are necessarily based upon several beliefs, assumptions, and opinions

of management on the date the statements are made and are subject to numerous risks and

uncertainties that could cause actual results and future events to differ materially from those

anticipated or projected. The Company undertak es no obligation to update these forward-

looking statements in the event that manageme nt's beliefs, estimates or opinions, or other

factors should change, except as required by law.

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

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

of this release.

FOR MORE INFORMATION, CONTACT:

NioBay Metals Inc.

Jean-Sébastien David, P.Geo., MPM

President & CEO

[email protected]

www.niobaymetals.com