Avalon Cancels Special Meeting of Shareholders

October 6, 2025

TORONTO, ON – Avalon Advanced Materials Inc. (“Avalon” or the “Company“) (TSX: AVL and OTCQB: AVLNF) today announced that its special meeting of shareholders (the “Special Meeting”) scheduled for October 7, 2025 has been canceled. The decision follows the Company’s determination that quorum requirements (i.e., not less than 20% of the issued and outstanding shares of the Company carrying voting rights) for the Special Meeting had not been met by the extended proxy voting deadline of October 6, 2025, at 4:00 p.m. Eastern Time.

 

The Board of Directors expects that the matter originally scheduled for shareholder consideration at the Special Meeting – adoption of a shareholder rights plan – will be considered for approval at a later date.

 

Proxies submitted for the Special Meeting will not carry over to any future meeting of the Company’s shareholders at which a shareholder rights plan is considered and are no longer effective.

 

Avalon remains committed to engaging its shareholders and ensuring broad participation on matters of importance to the Company and its future. Avalon shareholders may contact Avalon Investor Relations at ir@avalonam.com or 416-364-4938 for further information about the cancelled Special Meeting.

About Avalon Advanced Materials Inc.
Avalon Advanced Materials Inc. is a Canadian critical minerals company advancing the supply of materials essential for Canada’s future. The Company is focused on developing strategic assets that support secure, domestic supply chains and long-term economic growth. Avalon is advancing the Nechalacho Rare Earth Elements and Zirconium Project in the Northwest Territories, which contains all light and heavy rare earth elements, as well as yttrium, zirconium, tantalum, and niobium—critical minerals used in advanced technologies across the communications, defense, clean tech, and energy sectors. The Company is also focused on vertically integrating the Ontario lithium supply chain through the development of Lake Superior Lithium Inc., Ontario’s first midstream lithium hydroxide processing facility, located in Thunder Bay. This facility will serve as a vital link between northern Ontario’s lithium resources and the growing EV battery manufacturing base in southern Ontario and North America. Through a joint venture with SCR Sibelco NV, Avalon is advancing the Separation Rapids Lithium Project near Kenora, Ontario, as well as continuing exploration at its Snowbank lithium and Lilypad lithium-cesium deposits.

 

For further information regarding Avalon Advanced Materials Inc., please visit www.avalonadvancedmaterials.com, email ir@avalonam.com, or call 416-364-4938.

 

Cautionary Statement Regarding Forward-Looking Information

This news release contains “forward-looking information” within the meaning of applicable Canadian securities legislation. Generally, forward-looking information can be identified by the use of forward-looking terminology such as “add” or “additional”, “advancing”, “anticipates” or “does not anticipate”, “appears”, “believes”, “can be”, “conceptual”, “confidence”, “continue”, “convert” or “conversion”, “deliver”, “demonstrating”, “estimates”, “encouraging”, “expand” or “expanding” or “expansion”, “expect” or “expectations”, “forecasts”, “forward”, “goal”, “improves”, “increase”, “intends”, “justification”, “plans”, “potential” or “potentially”, “promise”, “prospective”, “prioritize”, “reflects”, “robust”, “scheduled”, “suggesting”, “support”, “top-tier”, “updating”, “upside”, “will be” or “will consider”, “work towards”, or variations of such words and phrases or state that certain actions, events or results “may”, “could”, “would”, “might”, or “will be taken”, “occur”, or “be achieved”.

Forward-looking information is subject to known and unknown risks, uncertainties and other factors that may cause the actual results, level of activity, performance or achievements of the Company to be materially different from those expressed or implied by such forward-looking information, including those risk factors discussed or referred to in the annual information form of the Company dated November 28, 2024 (the “AIF”) under the heading “Description of the Business – Risk Factors”. Forward-looking information is based on the reasonable assumptions, estimates, analysis and opinions of management made in light of its experience and perception of trends, current conditions and expected developments, as well as other factors that management believes to be relevant and reasonable in the circumstances at the date that such statements are made, but which may prove to be incorrect. Although the Company believes that the assumptions and expectations reflected in such forward-looking information are reasonable, undue reliance should not be placed on forward-looking information because the Company can give no assurance that such expectations will prove to be correct. Although the Company has attempted to identify important factors that could cause actual results to differ materially from those contained in forward-looking information, there may be other factors that cause results not to be as anticipated, estimated or intended. There can be no assurance that such information will prove to be accurate, as actual results and future events could differ materially from those anticipated in such information. Accordingly, readers should not place undue reliance on forward-looking information. The Company does not undertake to update any forward-looking information, except in accordance with applicable securities laws.

Mark N.J. Ashcroft, P.Eng, is a seasoned professional in the mining, resource and finance sectors with a legacy as a sixth-generation miner, who first went underground at 12 years old. Beginning his career underground in Thompson, MB, he later earned an engineering degree and gained extensive experience across North and South America and Australia. He has held roles in mining operations, corporate development, and finance, including President and CEO of Stonegate Agricom, where he managed a pivotal $51.75 million IPO on the Toronto Stock Exchange. Currently, he is the CEO of Aurelius Minerals Inc., focusing on gold projects in Nova Scotia and Ontario.

Mark’s background includes investment banking and corporate finance positions in London, New York, and Toronto at firms like Barclays Capital, Standard Bank, Versant Partners, and Toll Cross Securities, dealing primarily with resource companies. He has served on various public mining and exploration boards, advising on governance and capital markets. Mark is a licensed Professional Engineer in Ontario, and holds a Bachelor of Engineering in Mining Engineering from Laurentian University and a Master of Science in Finance, Regulation, and Risk Management from the University of Reading..

Cindy Hu joined Avalon in 2007. Prior to joining the company, Ms. Hu was a senior manager with the accounting firm Andersen & Company Professional Corporation. She is a Chartered Professional Accountant with over 20 years of experience in public accounting practice and financial reporting, primarily for junior public companies and private wealth management portfolios.

MS. Hu earned her B.Com from Laurentian University in 1996.

Scott Monteith is an experienced CEO with a successful 30-year track record of moving clean and industrial technology from ideation to commercial success.  Mr. Monteith has extensive international experience in the areas of team building, biofuel refining, petrochemical refinery decarbonization, water treatment system manufacturing, research & development, strategic alliance formation, and government affairs.

 

Mr. Monteith holds a Bachelor of Business Administration from Toronto Metropolitan University and has been a member of the Young President’s Organization for over 20 years.