Greenbriar Appoints Dominique Ramuz as Managing Director of the Renewable Energy Advisory Board

Scottsdale, Arizona – Newsfile Corp. – May 18, 2026 – Greenbriar Sustainable Living Inc. (TSXV: GRB) (OTC Pink: GEBRF) (“Greenbriar” or the “Company”) announces that Dominique Ramuz, 55, Swiss national, is appointed Managing Director of the Renewable Energy Advisory Board.

Dominique is an experienced executive and board member in the fields of energy, infrastructure, and business transformation. He brings more than 25 years of expertise in strategic leadership, corporate governance, and the development of high-growth businesses. His career has been distinguished by the management of major investments, the leadership of multidisciplinary teams, and the delivery of complex projects related to energy transition and sustainable infrastructure. Accustomed to operating within boards of directors and executive management environments, he combines strategic vision, operational execution, and collaborative leadership in demanding and fast-evolving contexts.

Jeff Ciachurski, CEO of Greenbriar states: “We are thrilled to have Dominique join our advisory board. Through his roles as executive leader, board member, and strategic advisor, Dominique currently supports public and private organizations as well as international investors in addressing growth, governance, and innovation challenges. His experience in structuring new business activities, developing strategic partnerships, and supporting organizational transformation represents a key asset for a high-impact advisory board. Recognized for his pragmatic approach, his ability to build trust, and his talent for aligning stakeholders around common objectives, contributes immensely to value creation and executive-level strategic decision-making.”

Dominique will immediately receive 200,000 three-year stock options at CAD $0.55.

About Greenbriar Sustainable Living Inc.
Greenbriar is a leading developer of sustainable real estate and renewable energy. With long-term, high impact projects and led by a successful industry-recognized operating and development team, Greenbriar targets deep valued assets directed at accretive shareholder value.

ON BEHALF OF THE BOARD OF DIRECTORS
“Jeff Ciachurski”
Jeffrey J. Ciachurski
Chief Executive Officer and Director
Phone: 949.903.5906

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