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BIOLARGO, INC.

For the period ended Dec 31, 2025. Filed Mar 4, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Mar 4, 2026

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Contents

Item 2. Properties

Our company owns no real property. We currently lease approximately 9,000 square feet of office and industrial space at 14921 Chestnut Street, Westminster, California. In addition to serving as our principal offices, it is also a manufacturing facility where we manufacture our products, including our CupriDyne Clean Industrial Odor control product, and the home of our subsidiary ONM Environmental.

We also lease approximately 22,000 square feet of office, warehouse, lab and manufacturing space at 105 Fordham Road, Oak Ridge, Tennessee, for our professional engineering division, BioLargo Engineering, Science & Technologies, LLC, and our battery company, BioLargo Energy Technologies, Inc. Our subsidiary Clyra Medical leases approximately 450 square feet of office space at 3802 Spectrum Blvd, Tampa Florida and 2,800 of warehouse/flex space at 10770 N. 46th Stret, Unit C-300, Tampa Florida. Our Canadian subsidiary BioLargo Canada leases approximately 1,500 square feet of office and lab space from the University of Alberta in Edmonton, Canada.

Our telephone number is (888) 400-2863.

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.