Highlights

• Nano One Materials has been vetted and selected for the Canada Investment Summit
• Co-hosted by the Government of Canada, CPP Investments and PSP Investments
• The Summit convenes over 100 of the world’s largest investors, top CEOs and global business leaders to attract new investment to advance nation-building projects in Canada
• Nano One will showcase its recently announced Canada DevCo, a project to build LFP cathode production in Canada

Nano One® Materials Corp. ("Nano One" or the "Company") (TSX: NANO) (OTCQB: NNOMF) (Frankfurt: LBMB), a process technology company specializing in lithium-ion battery cathode active materials, is pleased to announce that it has been selected for the investment prospectus of the inaugural Canada Investment Summit 2026 (the “Summit”), a curated set of government-vetted opportunities presented to participating investors.

The Summit, announced by Prime Minister Mark Carney, is hosted by the Government of Canada in partnership with the Canada Pension Plan Investment Board (“CPP Investments”) and the Public Sector Pension Investment Board (“PSP Investments”) and takes place in Toronto on September 14–15, 2026. It is expected to bring over 100 senior decision-makers from the world’s largest institutional investors to advance investment in major projects and industries—including clean energy, critical minerals, new technologies and artificial intelligence—with the aim of making Canada more competitive.

Nano One will showcase its recently announced Canada DevCo, which aims to build lithium iron phosphate (“LFP”) cathode production in Canada through a proposed 25 ktpa facility, expandable to up to 100 ktpa. The Summit gives Nano One an opportunity to present the project to global institutional investors for investment and partnership.

About Nano One®

Nano One® Materials Corp. (Nano One) is a process technology company changing how cathode active materials (CAMs) are produced for lithium-ion batteries. Nano One’s platform is built on a portfolio of patented processes, decades of manufacturing know-how and modular plant designs that enable scalable, cost-competitive and easier-to-permit CAM production with resilient supply chains. The technology eliminates wastewater and byproducts while enabling regionally sourced raw materials and reducing exposure to foreign supply chain volatility. Modular plants are designed with fewer steps to reduce capex, energy and environmental intensity and to accelerate deployment, manufacturing and licensing. Product development and process optimization are based at Nano One’s Innovation Centre in Burnaby, British Columbia while piloting, demonstration and commercial production are based in Candiac, Québec, supported by a team with more than 15 years of commercial cathode manufacturing experience supplying global cell manufacturers. Strategic collaborations with global partners including Sumitomo Metal Mining, Rio Tinto and Worley support Nano One’s Design-One-Build-Many growth strategy. Nano One has received funding support from the Governments of Canada, the United States, Québec and British Columbia.

For more information, please visit nanoOne.ca.

Cautionary Notes and Forward-Looking Statements

Certain information contained herein may constitute "forward-looking information" and "forward-looking statements" within the meaning of applicable securities legislation. All statements, other than statements of historical fact, are forward-looking statements. Generally, forward-looking information can be identified by the use of terminology such as 'believe', 'expect', 'anticipate', 'plan', 'intend', 'continue', 'estimate', 'may', 'will', 'should', 'ongoing', 'target', 'goal', 'potential' or variations of such words and phrases or statements that certain actions, events or results "will" occur.

Forward-looking information in this news release includes, but is not limited to: the Company's participation in, and anticipated benefits of, the 2026 Canada Investment Summit, including its inclusion in the Summit Prospectus and the opportunity to engage with senior decision-makers from global investors and financial institutions; the ability of the Summit to facilitate and advance new or ongoing discussions with potential investors and strategic partners in support of the Canadian DevCo project; the Company's strategy to establish scalable LFP cathode production in Canada through the Canadian DevCo, including the proposed 25,000 tpa facility and its potential expansion to 100,000 tpa; the anticipated benefits of the Canadian DevCo, including access to clean and competitive energy, proximity to critical mineral resources, and the application of Nano One's existing LFP expertise from its Candiac facility; and the alignment of the Canadian DevCo project with broader Canadian priorities across automotive, defence industrial capacity, critical minerals and midstream processing.

Forward-looking statements are based on the current opinions and estimates of management as of the date such statements are made and are not, and cannot be, a guarantee of future results or events. Forward-looking statements are 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 statements or forward-looking information, including but not limited to: the Company's ability to convert engagement and discussions arising from the Summit into definitive agreements, investment or partnerships on acceptable terms or at all; the timing and outcome of discussions with potential investors and strategic partners; the Company's ability to advance and finance the Canadian DevCo project, including the proposed 25,000 tpa facility and any potential expansion; general and global economic, geopolitical and regulatory changes; the development of technology, supply chains and plans for construction and operation of cathode production facilities; the Company's ability to achieve its stated goals; the commercialization of the Company's technology and patents via license, joint venture, DevCo or independent production; and other risk factors as identified in Nano One's Annual Information Form dated March 25, 2026, for the year ended December 31, 2025, its MD&A for the year then ended, and in recent securities filings for the Company which are available at www.sedarplus.ca. Although management of the Company has attempted to identify important factors that could cause actual results to differ materially from those contained in forward-looking statements or 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 statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements. Accordingly, readers should not place undue reliance on forward-looking statements and forward-looking information. The Company does not undertake any obligation to update any forward-looking statements or forward-looking information that is incorporated by reference herein, except as required by applicable securities laws.

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Nano One will showcase its recently announced Canada DevCo, a project to build LFP cathode production in Canada