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BTR.V ·

Bonterra Intersects 5.6 g/t Au over 4 metres in the Western Extension of the Barry Deposit

Drill Results

2872 Sullivan Rd Suite 2 

Val‐d’Or, Quebec

Office: (819) 825‐8678 

Bonterra Intersects 5.6 g/t Au over 4 metres

in the Western Extension of the Barry Deposit

Val-d’Or, QC – September 22, 2020 – Bonterra Resources Inc. (TSX-V: BTR, OTCQX:

BONXF, FSE: 9BR2) (“Bonterra” or the “Company”) is pleased to announce the initial results

of the ongoing drilling campaign on the Barry project. The res ults include several intersections,

including 5.6 g/t Au over 4 metres (“m”) in hole MB-20-269, 4.3 g/t Au over 4.2 m and 8.9 g/t Au

over 0.5 m in hole MB-20-271, and 6.0 g/t Au over 1.8 m in hole MB-20-275.

The 2020 drilling campaign began on January 6, 2020 and was suspended on March 17, 2020 due

to the COVID-19 pandemic. This campaign resumed on July 23, 2020 with two drills currently in

operation, one on a barge on Lac Limpide and the other on dry land near the Barry deposit.

From January 6 to March 17, 2020, 26 drill holes were drilled f or a total of 10,662 m. Analyses

were pending for several drill holes. Some of the results of those holes were announced in a press

release dated April 1, 2020, but were incomplete.

Since July 23, 2020, the Company has drilled 20 additional holes representing a total of 6,400 m.

Results from seven holes are complete, some results from eight drill holes are still pending, and

drill core samples from five drill holes have yet to be analyzed.

This release presents the results from the drill holes not released prior or with pending results prior

to the suspension of drilling related to the COVID-19 pandemic as well as the drill holes of the

current campaign analyzed to date.

Pascal Hamelin, Interim CEO and VP, Operations commented: “I am very pleased to see these

very encouraging results to the west of the Barry deposit this early in the drilling campaign. It

bodes well for the rest of the campaign and ultimately for the potential to add mineral resources in

the next resource update.”

The 20,000 m drilling campaign on the Barry project is designed to:

1) Develop the western and eastern extensions of the Barry deposit on land;

2) Perform infill drilling between intervals greater than 100 m around the deposit, as

outlined by the 2019 resource estimate; and

3) Explore a magnetic anomaly under Lac Limpide west and north of the deposit.

The following table shows the significant intersections of the drill holes.

Hole ID From (m) To (m) Length (m) (Au g/t) Zones Purpose

MB-20-257

303.9 307.6 3.7 1.2

Infill Resource

310.8 311.3 0.5 2.1

319.4 320.0 0.6 1.6

364.0 379.8 15.8 3.4

including 364.8 373.6 8.8 5.3

416.2 421.0 4.8 2.1

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Hole ID From (m) To (m) Length (m) (Au g/t) Zones Purpose

MB-20-260

199.5 202.9 3.4 1.1 H1 Western

Extension 400.3 400.8 0.5 2.3

MB-20-261 339.9 340.5 0.6 1.5 Infill Resource

MB-20-262 199.5 200.0 0.5 1.0 Western

Extension

MB-20-263

21.4 22.3 0.9 1.0

Extension under

Lac Limpide 214.2 217.3 3.1 3.3 H2 216.0 217.3 1.3 7.4

MB-20-265

203.9 205.0 1.1 1.9 Western

Extension 344.7 347.5 2.8 1.1

MB-20-266

51.0 52.0 1.0 2.1

Infill Resource 61.5 62.3 0.8 4.3 950

70.2 71.3 1.1 2.5

78.2 82.0 3.8 1.2

MB-20-267 155.3 158.1 2.8 1.2 H1 Extension under

Lac Limpide

MB-20-268

26.2 26.9 0.7 1.3

Infill Resource

39.3 40.7 1.4 1.0 800

78.0 79.5 1.5 2.4

146.6 148.7 2.1 1.7

206.9 208.0 1.1 5.4 1000

MB-20-269

181.1 182.3 1.2 3.5

Western

Extension

242.8 246.8 4.0 5.6 H2

including 244.3 245.7 1.4 14.0

382.0 386.3 4.3 2.3 H15

MB-20-270 No significant values Extension under

Lac Limpide

MB-20-271

161.7 165.9 4.2 4.3

Western

Extension

198.2 199.0 0.8 2.8

273.3 274.8 1.5 1.1

367.7 368.2 0.5 8.9 H15

MB-20-272

93.2 95.1 1.9 2.3 H1

Western

Extension

114.8 115.3 0.5 1.1

173.6 174.1 0.5 2.2

MB-20-273

86.2 87.7 1.5 4.0 H1 Western

Extension 92.4 94.4 2.0 3.3

MB-20-274

59.5 61.7 2.2 1.9 H1 Extension under

Lac Limpide 245.4 246.1 0.7 1.1 H15

MB-20-275

75.1 76.1 1.0 1.6 H1

Western

Extension

155.5 157.3 1.0 6.0 H2

including 156.5 157.3 0.8 12.8

314.3 315.5 1.2 2.2 H15

- 3 -

Hole ID From (m) To (m) Length (m) (Au g/t) Zones Purpose

MB-20-276 Pending assays

MB-20-277 No significant values Extension under

Lac Limpide

MB-20-278

239.6 241.1 1.5 1.8

Infill Resource 294.7 295.2 0.5 1.0

337.6 338.2 0.6 3.8

Notes:

1) The meterage represents the length of the drilled lengths.

2) True widths are estimated to be greater than 85% of the drill intersection length.

3) The mineralized intervals shown above use a 1.0 g/t Au cut-off grade with not more than 0.5 m of internal

dilution.

Eight drill holes (MB-20-260; 262; 265; 269; 271 to 273 and 275) were drilled in the western part

of the Barry deposit, in the area of hole MB-20-250 (7.35g/t Au over 8.35 m) to determine the

extent of the zones of the deposit to the west of the deposit. The results of these drill holes indicate

that the zones extend to the west at least an additional 500 m. These holes have made it possible

to verify the continuity of zones H1, H2 and H15.

Five drill holes (MB-20-263; 267; 270; 274 and 277) were drilled on Lac Limpide from an ice drill

pad (263; 267 and 270) and on a barge for drill holes 274 and 2 77. Hole MB-20-270 had to be

abandoned following suspension of drilling due to the COVID-19 pandemic. However, holes

MB-20-267 and 274 have confirmed the continuity of the H1 zone.

Five holes (MB-20-257; 261; 266; 268 and 278) were drilled for infill purposes between the 2019

inferred resource. Two holes (266 and 268) are located northwe st of the 2019 resource and the

other three holes (257; 261 and 278) are located to the south of the resource.

Hole MB-20-266 has intercepted zone 950 with a value of 4.31 g/ t Au over 0.8 m. Drill hole

MB-20-268 confirmed the continuity of zone 1000 with 5.41 g/t Au over 1.1 m.

The three holes south of the Barry deposit intercepted zones be tween the H1 and 800 zones in

porphyry intrusions and often in b asalt shear zones in contact with these intrusions. Significant

drill intersections include MB-20-257 with 2.1 g/t Au over 4.8 m and MB-20-278 with 3.8 g/t Au

over 0.6 m.

- 4 -

Quality control and reporting protocols

The Barry project’s drill core gold analysis is performed at th e Bachelor Mine Analysis

Laboratory. The Company employs a rigorous QA-QC analysis prog ram that meets industry

standards. The analytical resu lts were carried out by fire ass ay (A.A.) in the mine laboratory.

Blanks, duplicates, and certified reference standards are inserted into the sample stream to monitor

laboratory performance. The Company's QA-QC analytical verification program requires that at

least 10% of samples be audited in an independent laboratory. These verification tests were sent

to the ALS laboratory located in Val-d'Or, Quebec. The results of the audits are consistent with

those obtained.

- 5 -

Qualified persons

Sabrina Bernard, P.Geo., Chief Geologist of the Company oversee s all exploration activities on

the Barry Project. Ms. Bernard is a qualified person as define d by National Instrument 43-101

(“NI-43-101”). Marc Ducharme, P.Geo. and Bonterra’s Principal Geologist , approved the

information contained in this press release. Mr. Ducharme is a Qualified Person as defined by NI

43-101.

Upcoming Events

Webinar - September 24, 2020 at 11:00 am EST hosted by Adelaide Capita l. Registration link:

https://us02web.zoom.us/webinar/register/WN_laVZ3mNXQE6Hy_9uKA9aDA

FOR ADDITIONAL INFORMATION:

Pascal Hamelin, Interim CEO and VP Operations

[email protected]

2872 Sullivan Road, Suite 2, Val d’Or, Quebec 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.

Cautionary and 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

Bonterra’s exploration and development plans. The words "will", "anticipated", "plans" or other similar words and

phrases are intended to identify forward-looking information. T his forward-looking information includes namely,

information with respect to the planned exploration programs an d 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 clas sed 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, perform ance 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 market s, environmental and other judicial, regulatory,

political and competitive developments; technological or operat ional difficulties or inability to obtain permits

encountered in connection with exploration activities; and labo ur 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.