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Bonterra Announces Filing of NI 43-101 Technical Report

Resource Estimates Technical Reports (NI 43-101)

2872 Sullivan Road, Suite 2

Val-d’Or, Quebec

Office: (819) 825-8678

Bonterra Announces Filing of NI 43-101 Technical Report

For The Barry Open Pit

Val-d’Or, QC – July 29, 2022 – Bonterra Resources Inc. (TSX -V: BTR, OTCQX: BONXF, FSE:

9BR2) (“Bonterra” or the “Company”) is pleased to announce the filing of an independent Preliminary

Economic Assessment (“PEA”) technical report which has been prepared in accordance with National

Instrument 43 -101 – Standards of Disclosure for Mineral Projects , on the Barry open pit project

(the “Barry Open Pit PEA”) in the Urban-Barry Camp in northern Quebec.

The technical report, entitled “Technical Report on the Gladiator and Moroy Deposits and the Bachelor

Mine and Preliminary Economic Assessment on the Barry Deposit, Northwestern Québec, Canada Report

for NI 43-101” and dated July 25, 2022 (effective date of June 1, 2022), has been prepared for Bonterra

by SLR Consulting (Canada) Ltd. and AMC Mining Consultants (Canada) Limited has reviewed and

endorsed the mine engineering and cost estimates contained in the Barry Open Pit PEA. The technical

report is available on www.sedar.com under Bonterra’s issuer profile.

Bonterra’s news release dated June 13, 2022 summarized key results, assumptions and estimates contained

in the Barry Open Pit PEA. The Corporation confirms that there are no material differences between the

key results, assumptions and cost estimates contained in the Barry Open Pit PEA and Bonterra’s news

release dated June 13, 2022.

About Bonterra Resources Inc.

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

anchored by a central milling facility in Quebec, Canada. The Company has a portfolio of deposits ,

including, Barry, Gladiator, Moroy, and Bachelor that collectively have a total of 1.24 million ounces in

Measured and Indicated categories, and 1.78 million ounces in Inferred category. Importantly, the

Company owns the only permitted and operational gold mill in the region. Bonterra is focused on

graduating from advanced exploration to a development company to deliver shareholder value.

FOR ADDITIONAL INFORMATION

Marc-Andre Pelletier, President & CEO

[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

Readers are cautioned that the Barry Open Pit PEA is preliminary in nature and includes inferred mineral resources that are

too speculative geologically to have economic considerations applied to them that would enable them to be categorized as

mineral reserves. There is no certainty that the results, assumptions or estimates in the Barry Open Pit PEA will be realized.

Mineral resources are not mineral reserves and do not have demonstrated economic viability.