Bonterra Resources Inc. — Proxy Solicitation & Information Statement 2026

Apr 17, 2026

April 17, 2026

ODYSSEY

Filed via SEDAR+

To All Applicable Exchanges and Securities Administrators

Subject: Bonterra Resources Inc. (the "Issuer") Notice of Meeting and Record Date

Dear Sir/Madam:

We are pleased to confirm the following information with respect to the Issuer's upcoming meeting of securityholders:

Meeting Type:	Annual General and Special Meeting
Meeting Date:	June 30, 2026
Record Date for Notice of Meeting:	May 14, 2026
Record Date for Voting (if applicable):	May 14, 2026
Beneficial Ownership Determination Date:	May 14, 2026
Class of Securities Entitled to Vote:	Common Shares
ISIN:	CA09852X7018
Issuer sending proxy materials directly to NOBOs:	No
Issuer paying for delivery to OBOs:	Yes
Notice and Access for Beneficial Holders:	Yes
Beneficial Holders Stratification Criteria:	N/A
Notice and Access for Registered Holders:	Yes
Registered Holders Stratification Criteria:	N/A

In accordance with applicable securities regulations we are filing this information with you in our capacity as agent of the Issuer.

Yours truly,

Odyssey Trust Company as agent for Bonterra Resources Inc.