Bonterra Announces Resignation of President and Chief Executive Officer

Val-d'Or, Quebec--(Newsfile Corp. - May 13, 2026) - Bonterra Resources Inc. (TSXV: BTR) (OTCQX: BONXF) (FSE: 9BR2) (the "Company") announces that Marc-André Pelletier has tendered his resignation as President, Chief Executive Officer and a Director of the Company, effective May 31, 2026 in order to pursue another opportunity. To support an orderly transition, Mr.