Scottsdale, Arizona, June 13, 2026 – Greenbriar Sustainable Living Inc. (TSXV: GRB) (OTC: GEBRF) (“Greenbriar” or
the “Company”) announces that after the market hours of Friday, June 12, 2026, the Puerto Rico Energy Bureau (PREB)
(the government energy regulator) has ordered PREPA and Greenbriar to complete negotiations within the next seven
(7) days from this date. If the parties reach agreement within such period, they shall jointly notify the Energy Bureau
and submit the corresponding proposed contract or contracts for the Energy Bureau’s review and determination
within the same seven (7)-day period. The Energy Bureau WARNS PREPA that, under Art. 6.36 of Act 57-2014k,
non-compliance with this Resolution and Order may carry the imposition of fines.
The negotiations are in specific reference to a 40 MW 4-hour and 6-hour battery storage system with GRB pricing at
$24,000 and $33,000 per MW per month in fees respectively. This is separate and in addition to our 80 MW ac solar
contract settlement pricing of 11.3 per kwh, weighted average.
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
Jeffrey J. Ciachurski, CEO and Director, 949-903-5906
Neither the TSX Venture Exchange nor its Regulation Service Provider (as that term is defined in the policies of the TSX
Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.
This news release may contain “forward-looking information” and “forward-looking statements” within the
meaning of applicable Canadian securities laws. Forward-looking statements in this news release include
statements regarding the grant of incentive stock options and any required acceptance or approval by the TSX
Venture Exchange. Forward-looking statements are based on management’s current expectations, estimates,
assumptions and beliefs, and are subject to known and unknown risks, uncertainties and other factors that may
cause actual results or events to differ materially from those expressed or implied by such forward-looking
statements. There can be no assurance that such forward-looking statements will prove to be accurate. Readers
are cautioned not to place undue reliance on forward-looking statements. Additional information regarding risks
and uncertainties applicable to the Company is available under the Company’s profile on SEDAR+ at
www.sedarplus.ca. The Company undertakes no obligation to update or revise any forward-looking statements,
except as required by applicable law.
