Los Angeles, California--(Newsfile Corp. - October 21, 2026) - California Nanotechnologies Corp. (TSXV: CNO) (OTCID: CANOF) ("Cal Nano" or the "Company") is pleased to announce that it has signed an amendment to its existing Santa Ana facility lease to support its manufacturing capacity expansion. The lease amendment includes an additional 15,500 square feet of adjacent space, representing an approximate 80% increase to the Company's existing (19,500 square feet) footprint, and provides access to increased electrical current capacity to power its core technologies and other equipment.

"This lease amendment is timely as we look to expand our production capacity for customers," said Eric Eyerman, CEO. "Earlier this month, we announced our largest single purchase order and a new development agreement with a Fortune 100 multinational, which will require resources to ensure we can successfully deliver. The larger floor and office space, loading docks, electrical capacity, and storage are all key logistical components of being able to scale up."

The new lease will take effect on November 1, 2026, and incur an additional cost of approximately US$22,500 per month. This development is subsequent to the Company consolidating its Cerritos facility into Santa Ana earlier in the fiscal year, providing approximately US$10,000 per month in savings.

About California Nanotechnologies Corp.

At Cal Nano, we envision a world in which our advanced technologies are used to help make the most innovative products on this planet and beyond. With our unique expertise in processing metallurgic powders into parts, global leaders trust us to help push the boundaries of applied material science. Headquartered in Greater Los Angeles, California, Cal Nano hosts advanced processing and testing machinery and capabilities across two manufacturing facilities for materials research and production needs. Our customers range from Fortune 500 companies to startups with programs spanning aerospace, renewable energy, defense, and semiconductors.

Reader Advisory

Except for statements of historical fact, this news release contains certain "forward-looking information" within the meaning of applicable securities law. Forward-looking information is frequently characterized by words such as "plan", "expect", "project", "intend", "believe", "anticipate", "estimate" and other similar words, or statements that certain events or conditions "may" or "will" occur. In particular, forward-looking information in this press release includes, but is not limited to: the Company being successful in its manufacturing services scale up. Although we believe that the expectations reflected in the forward-looking information are reasonable, there can be no assurance that such expectations will prove to be correct. We cannot guarantee future results, performance or achievements. Consequently, there is no representation that the actual results achieved will be the same, in whole or in part, as those set out in the forward-looking information. Forward-looking information is based on the opinions and estimates of management at the date the statements are made, and are subject to a variety of risks and uncertainties and other factors that could cause actual events or results to differ materially from those anticipated in the forward-looking information. Some of the risks and other factors that could cause the results to differ materially from those expressed in the forward-looking information include, but are not limited to: general economic conditions in Canada, the United States and globally; expansion into the new manufacturing facility; a significant change in demand for the Company's services and products; industry conditions, governmental regulation, including environmental regulation; the effects of product development and need for continued technological change; the effect of government regulation and compliance on the Corporation and the industry; research and development risks; reliance on key personnel; operations in foreign jurisdictions; protection of intellectual property rights; contractual risk; third-party risk, risk of technological or scientific obsolescence; dependence of technical infrastructure; unanticipated operating events or performance; failure to obtain industry partner and other third party consents and approvals, if and when required; the availability of capital on acceptable terms; the need to obtain required approvals from regulatory authorities; stock market volatility; competition for, among other things, capital, skilled personnel and supplies; changes in tax laws; and the other risk factors disclosed under our profile on SEDAR+ at www.sedarplus.ca. Readers are cautioned that this list of risk factors should not be construed as exhaustive.

The forward-looking information contained in this news release is expressly qualified by this cautionary statement. We undertake no duty to update any of the forward-looking information to conform such information to actual results or to changes in our expectations except as otherwise required by applicable securities legislation. Readers are cautioned not to place undue reliance on forward-looking information.

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