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Deep Drilling at Phoenix JV Yields High-Grade Lynx-Type Mineralization at Moss Target, Highlighted by 38.3 g/t Au over 1.1 m and 7.37 g/t Au over 4.2

Drill Results Partnerships & JV

Deep Drilling at Phoenix JV Yields High-Grade

Lynx-Type Mineralization at Moss Target,

Highlighted by 38.3 g/t Au over 1.1 m and 7.37

g/t Au over 4.2

Val-d'Or, Quebec--(Newsfile Corp. - August 6, 2024) -

Bonterra Resources Inc. (TSXV: BTR)

(OTCQX: BONXF) (FSE: 9BR2) (

"

Bonterra

" or the "

Company

"

)

is pleased to announce additional

drill results on the Phoenix JV (formerly known as the Urban-Barry Property) (the "

Project

"). The Project

is under a definitive earn-in and joint venture agreement (the "

Agreement

") with Osisko Mining Inc.

("

Osisko Mining

"). Under the Agreement, Osisko Mining has the right to acquire up to a 70% interest in

the Project by spending $30 million in work expenditures, with a minimum spending commitment of $10

million per year over a three-year period (see press release dated

November 28, 2023, for more details).

To date, approximately 60,000 meters ("

m

") have been drilled on the Project, including 37,000 m solely

on the Moss Target where mineralization similar to the high-grade Lynx Zone has been confirmed at

depth by Osisko Mining (see release dated April 15, 2024).

Diamond drilling activities are now completed and will resume later this year once all assays are

received and the compilation and interpretation work are available. Importantly, total expenditures on the

Project will exceed the minimum annual spending commitment of $10 million outlined in the Agreement.

Highlights at the Moss Target:

38.33 g/t Au over 1.1 m, including 69.6 g/t Au over 0.6 m in hole OSK-PHX-24-078

7.37 g/t Au over 4.2 m, including 28.6 g/t Au over 0.4 m in hole OSK-PHX-24-096

14.35 g/t Au over 1.6 m, including 29.6 g/t Au over 0.7 m in hole OSK-PHX-24-082

24.14 g/t Au over 1.4 m, including 48.1 g/t Au over 0.7 m in hole OSK-PHX-24-072

42.1 g/t Au over 0.8 m in hole OSK-PHX-24-080

75.8 g/t Au over 0.4 m in hole OSK-PHX-24-049

Marc-André Pelletier, President and CEO commented: "We are very pleased to report, in collaboration

with our partner Osisko Mining, the discovery of high-grade Lynx-type mineralization at depth at the Moss

target. Notably, the mineralization remains open and will be the subject of future work within the

framework of our agreement. The presence of grey quartz-pyrite veins with visible gold, combined with

intense sericite-pyrite and silica altered rock, indicates wider mineralization, as observed in drill holes

OSK-PHX-078 and OSK-PHX-096.

We look forward to resuming exploration work on the Phoenix JV later this year.

At our Desmaraisville project, fieldwork is progressing well, and our geology team is working to generate

prospective drill targets for exploration. A 6,000 m drill program is planned to start in September

focusing on the most promising targets."

Figure 1- Phoenix JV Project - Surface Plan View with Completed Drill holes

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

https://images.newsfilecorp.com/files/1528/218821_1a9f7fdce467cbcd_001full.jpg

Figure 2 - Phoenix JV Project - Surface Plan View with Completed Drill holes at the Moss

Target

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

https://images.newsfilecorp.com/files/1528/218821_1a9f7fdce467cbcd_002full.jpg

Figure 3 - Longitudinal View of the Moss Target with Best Results

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

https://images.newsfilecorp.com/files/1528/218821_1a9f7fdce467cbcd_003full.jpg

Table 1: Drill Hole Locations - Phoenix JV, Moss Target

Hole ID

Easting

Northing

Elevation (m)

Azimuth

(°)

Dip

(°)

Length (m)

OSK-PHX-24-035

448908

5432156

398

323

-56

408

OSK-PHX-24-045

448032

5431570

406

315

-48

396

OSK-PHX-24-049

447524

5432255

410

320

-49

444

OSK-PHX-24-057

447804

5431538

401

317

-51

303

OSK-PHX-24-058

448904

5432156

398

320

-47

376

OSK-PHX-24-063

448905

5432155

398

330

-60

411

OSK-PHX-24-064

448096

5431475

400

321

-48

564

OSK-PHX-24-069

448904

5432155

398

310

-47

429

OSK-PHX-24-070

448905

5432154

398

333

-69

516

OSK-PHX-24-072

448209

5431504

399

316

-49

600

OSK-PHX-24-078

448744

5431269

399

320

-50

1,173

OSK-PHX-24-080

447591

5431267

399

330

-60

510

OSK-PHX-24-082

448655

5431775

397

321

-49

687

OSK-PHX-24-096

448941

5431312

399

323

-50

1,230

UTM Coordinates, System: NAD83 Zone 18N

Table 2: Significant Mineralized Intersections from Drilling on the Moss Target

Hole ID

Including

From (m)

To (m)

Length (m)

Grade (Au g/t)

Metal Factor

(length x grade)

OSK-PHX-24-035

200.4

200.7

0.3

44.1

13.23

287.2

288.8

1.6

5.83

9.33

Including

287.5

288.1

0.6

14.1

8.43

OSK-PHX-24-045

198.0

199.0

1.0

6.15

6.15

OSK-PHX-24-049

185.4

185.8

0.3

75.8*

30.32

OSK-PHX-24-057

54.3

55.3

1.0

5.85

5.85

OSK-PHX-24-058

54.0

55.0

1.0

7.98

7.98

OSK-PHX-24-063

288.2

290.3

2.1

3.98

8.35

Including

290.0

290.3

0.3

8.89

2.67

OSK-PHX-24-064

351.0

353.0

2.0

4.68

9.36

Including

352.5

353.0

0.5

8.47

4.24

OSK-PHX-24-069

264.3

265.3

1

18.45

18.45

Including

264.7

265.3

0.6

29.1*

17.46

OSK-PHX-24-070

240.0

241.1

1.1

7.73

8.51

Including

240.7

241.1

0.4

18.9

7.56

OSK-PHX-24-072

334.3

335.7

1.4

24.14

33.80

Including

335.0

335.7

0.7

48.1

33.67

OSK-PHX-24-078

844.4

845.5

1.1

38.33*

42.17

Including

844.4

845.0

0.6

69.6

41.76

OSK-PHX-24-080

329.1

329.9

0.8

42.1*

33.68

OSK-PHX-24-082

155.3

158.0

2.7

2.17

5.86

314.7

316.3

1.6

14.35

22.95

Including

315.6

316.3

0.7

29.6

20.72

OSK-PHX-24-096

930.6

934.8

4.2

7.37*

30.97

Including

930.6

931.0

0.4

28.6

11.44

* Visible Gold Grains

1)

True width determination is currently unknown but is estimated from 55 to 80% of the reported core

length interval for the zone.

2)

Assays are uncut except where indicated.

3)

Intercepts have not been correlated to individual zones or vein domains at this time.

Quality Control and Reporting Protocols (adopted by Osisko Mining)

NQ core assays were obtained by either 1-kilogram screen fire assay or standard 50-gram fire-

assaying-AA finish or gravimetric finish at ALS Laboratories in Val-d'Or, Québec, or Vancouver, British

Colombia. The 1-kilogram screen assay method is selected by the geologist when samples contain

coarse gold or present a higher percentage of pyrite than surrounding intervals. All samples are also

analyzed for multi-elements, including silver, using Four Acid Digestion-ICP-MS method at ALS

Laboratories. Drill program design, Quality Assurance/Quality Control ("

QA/QC

") and interpretation of

results is performed by qualified persons employing a QA/QC program consistent with NI 43-101 and

industry best practices. Standards and blanks are included with every 20 samples for QA/QC purposes

by Osisko Mining as well as the lab.

Qualified Person

M. Donald Trudel, P.Geo. (OGQ # 813), Director Geology for the Company, has reviewed and approved

the technical information contained in this press release. Mr. Trudel is a qualified person as defined by

National Instrument 43-101 on standards of disclosure for mineral projects.

About Bonterra Resources Inc.

Bonterra is a Canadian gold exploration company with a portfolio of advanced exploration assets

anchored by a central milling facility in Quebec, Canada. The Company's assets include the Gladiator,

Barry, Moroy, and Bachelor gold deposits, which collectively hold 1.24 million ounces in Measured and

Indicated categories and 1.78 million ounces in the Inferred category.

In November 2023, the Company entered into an earn-in and joint venture agreement with Osisko Mining

Inc. for the Urban-Barry properties, which include the Gladiator and Barry deposits. Over the next three

years, Osisko can earn a 70% interest by incurring $30 million in work expenditures. This strategic

transaction highlights Bonterra's dedication to advancing its exploration assets, marking a significant

step towards development.

FOR ADDITIONAL INFORMATION

Marc-André Pelletier, President & CEO

[email protected]

2872 Sullivan Road, Suite 2, Val-d'Or, Québec J9P 0B9

819-825-8678 | Website:

www.btrgold.com

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

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

release.

Caution regarding forward-looking statements

This press release contains "forward-looking information" that is based on Bonterra's current

expectations, estimates, forecasts, and projections. This forward-looking information includes, among

other things, statements with respect to the earn-in and joint venture agreement with Osisko Mining

announced on November 28, 2023. The words "will", "anticipated", "plans" or other similar words and

phrases are intended to identify forward-looking information. This forward-looking information includes

namely information with respect to the planned exploration programs and the potential growth in mineral

resources. Exploration results that include drill results on wide spacings may not be indicative of the

occurrence of a mineral deposit and such results do not provide assurance that further work will establish

sufficient grade, continuity, metallurgical characteristics, and economic potential to be classed as a

category of mineral resource. The potential quantities and grades of drilling targets are conceptual in

nature and, there has been insufficient exploration to define a mineral resource, and it is uncertain if

further exploration will result in the targets being delineated as mineral resources. Forward-looking

information is subject to known and unknown risks, uncertainties and other factors that may cause

Bonterra's actual results, level of activity, performance, or achievements to be materially different from

those expressed or implied by such forward-looking information. Such factors include but are not limited

to: uncertainties related exploration and development; the ability to raise sufficient capital to fund

exploration and development; changes in economic conditions or financial markets, environmental and

other judicial, regulatory, political, and competitive developments; technological or operational difficulties

or inability to obtain permits encountered in connection with exploration activities; and labour relations

matters. This list is not exhaustive of the factors that may affect our forward-looking information. These

and other factors should be considered carefully, and readers should not place undue reliance on such

forward-looking information.

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

https://www.newsfilecorp.com/release/218821