International Barrier Receives Shareholder Approval of Plan of Arrangement

VANCOUVER, BC and WATKINS, MN--(Marketwired - September 28, 2017) - International Barrier Technology Inc. (the "Company") (OTCQB: IBTGF)(TSX VENTURE: IBH) is pleased to announce that it has received shareholder approval of the plan of arrangement (the "Arrangement") between the Company, Louisiana-Pacific Canada Ltd. and Louisiana-Pacific Corporation (collectively, "LP"). The Arrangement was approved by 99.79% of the votes cast by shareholders of the Company.

Pursuant to the Arrangement, each issued and outstanding common share of the Company will be transferred to LP in consideration for US$0.41 per common share, for a total purchase price of approximately US$22 million. Upon completion of the Arrangement, the Company will become a wholly-owned subsidiary of LP. Additional information concerning the Arrangement is available in the proxy statement and management information circular of the Company dated August 28, 2017 and available under the Company's profile on EDGAR and SEDAR.

Completion of the Arrangement is conditional upon the satisfaction of certain other closing conditions customary in transactions of this nature, including the issuance of a final order from the Supreme Court of British Columbia.

About International Barrier Technology Inc.

International Barrier Technology Inc. develops, manufactures, and markets proprietary fire-resistant building materials branded as LP® FlameBlock® Fire-Rated OSB Sheathing and Blazeguard FR Deck Panel. The Company's award-winning fire-resistant wood panels use a patented, non-toxic, non-combustible coating with an extraordinary capability: it releases water in the heat of fire. The panels exceed "model" building code requirements in every targeted fire test and application, and are unique in combining properties that increase panel strength and minimize environmental and human impact. The Company's family of products provides customers a premium material choice meeting an increasingly challenging combination of requirements in residential and commercial building construction. For more information please visit: www.intlbarrier.com.

About Louisiana-Pacific Corporation

Louisiana-Pacific Corporation is a manufacturer of quality engineered wood building materials including OSB, structural framing products, and exterior siding for use in residential, industrial and light commercial construction. From manufacturing facilities in the U.S., Canada, Chile and Brazil, LP products are sold to builders and homeowners through building materials distributors and dealers and retail home centers. Founded in 1973, LP is headquartered in Nashville, Tennessee and traded on the New York Stock Exchange under LPX. For more information, visit www.lpcorp.com.

INTERNATIONAL BARRIER TECHNOLOGY INC.

Michael D. Huddy
President and Chief Executive Officer, Director

NEITHER TSX VENTURE EXCHANGE NOR ITS REGULATION SERVICES PROVIDER (AS THAT TERM IS DEFINED IN POLICIES OF THE TSX VENTURE EXCHANGE) ACCEPTS RESPONSIBILITY FOR THE ADEQUACY OR ACCURACY OF THIS RELEASE.

Cautionary Note Regarding Forward-Looking Information

This news release contains "forward-looking information" within the meaning of the applicable securities legislation that is based on expectations, estimates and projections as at the date of this news release. The information in this news release about the completion of the business combination described herein, and other forward-looking information includes but is not limited to information concerning: the intentions, plans and future actions of the companies participating in the Arrangement and other information that is not historical facts.

Any statements that involve discussions with respect to predictions, expectations, beliefs, plans, projections, objectives, assumptions, future events or performance (often but not always using phrases such as "expects", "believes" or "intends" or variations of such words and phrases or stating that certain actions, events or results "may" or "could", "would", "might" or "will" be taken, occur or be achieved) are not statements of historical fact and may be forward-looking information and are intended to identify forward-looking information. This forward-looking information is based on reasonable assumptions and estimates of management of the Company, at the time it was made, involves known and unknown risks, uncertainties and other factors which may cause the actual results, performance or achievements of the Company to be materially different from any future results, performance or achievements expressed or implied by such forward-looking information. Such factors include, among others, risks relating to the completion of the Arrangement and satisfaction of all closing conditions; risks relating to receipt of all necessary court and regulatory approvals; business integration risks; fluctuations in general economic conditions, securities markets and currency markets; changes in national and local governments, legislation and taxation; risks relating to employee relations; and risks and hazards associated with the Company's operations.

Although the forward-looking information contained in this news release is based upon what management believes, or believed at the time, to be reasonable assumptions, the Company cannot assure shareholders and prospective purchasers that actual results will be consistent with such forward-looking information, as there may be other factors that cause results not to be as anticipated, estimated or intended, and neither the Company nor any other person assumes responsibility for the accuracy and completeness of any such forward-looking information. The Company does not undertake, and assumes no obligation, to update or revise any such forward-looking statements or forward-looking information contained herein to reflect new events or circumstances, except as may be required by law.