Mr. Jeffrey Ciachurski reports

GREENBRIAR ANNOUNCES UPSIZING OF PROPOSED NON-BROKERED PRIVATE PLACEMENT

Further to its news release dated Oct. 6, 2026, Greenbriar Sustainable Living Inc. has increased the size of its previously announced non-brokered private placement of units from 2.2 million units to 2.7 million units at a price of 45 cents per unit for aggregate gross proceeds of up to $1,215,000, an increase from $990,000. Each unit consists of one common share and one common share purchase warrant. Each warrant is exercisable to acquire one additional common share at 55 cents per share for a period of 36 months. The company intends to use the proceeds primarily for Sage Ranch engineering costs to file final construction permits for grading, sewer, drainage, water, curb, gutter, internal roads and dry utilities.

All securities issued pursuant to the private placement will be subject to a statutory hold period of four months and one day from the date of issuance. The private placement remains subject to the approval of the TSX Venture Exchange. No finders' fees will be paid in connection with the private placement.

The company also announces that it has granted an aggregate of 450,000 incentive stock options to certain officers of the company pursuant to its stock option plan. Each option is exercisable to acquire one common share of the company at a price of 55 cents per share for a period of five years from the date of grant.

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.

We seek Safe Harbor.