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WESTMINSTER, CA – June 18, 2025 – BioLargo, Inc. (OTCQX:BLGO), a pioneering company specializing in sustainable technologies for environmental and cleantech solutions, is excited to announce compelling validation of its Cellinity battery technology. Independent testing has confirmed the groundbreaking performance of Cellinity, positioning it as a potential disruptor in the rapidly growing grid-scale energy storage market.

The energy storage sector is experiencing unprecedented growth, driven by the increasing adoption of renewable energy sources like solar and wind. However, the intermittent nature of these sources presents a significant challenge. Effective and reliable energy storage is crucial to ensuring a stable and consistent power supply. Current battery technologies often struggle with limitations in energy density, lifespan, safety, and cost-effectiveness.

BioLargo's Cellinity technology aims to address these shortcomings. Utilizing a proprietary electrolyte and innovative design, Cellinity batteries demonstrate remarkable performance characteristics. The independent evaluation, conducted by [Name of Testing Lab - *Insert if available, otherwise remove this sentence*], focused on key metrics including energy density, cycle life, charge/discharge rate, and safety. The results were overwhelmingly positive, exceeding expectations and showcasing Cellinity's potential to outperform existing technologies.

Key Findings from the Independent Evaluation Include:

• Significantly Higher Energy Density: Cellinity batteries exhibited [Specific percentage or quantifiable data] higher energy density compared to [Benchmark technology - e.g., lithium-ion]. This translates to more energy stored in a smaller footprint, reducing overall system costs and space requirements.
• Extended Cycle Life: Testing indicated a cycle life of [Number] cycles with minimal degradation, suggesting a longer operational lifespan and reduced replacement costs – a critical factor for grid-scale applications.
• Fast Charge/Discharge Rates: Cellinity demonstrated rapid charge and discharge capabilities, allowing for quick response to fluctuating energy demands and enhanced grid stability.
• Enhanced Safety Profile: The unique electrolyte formulation contributes to a significantly improved safety profile compared to conventional battery technologies, minimizing the risk of thermal runaway and improving overall system reliability.

“We are thrilled with the results of this independent validation,” stated [Name and Title of BioLargo Executive]. “This confirms our belief that Cellinity represents a truly transformative technology for grid-scale energy storage. The combination of high energy density, long cycle life, rapid charging, and enhanced safety positions Cellinity to become a leading solution for supporting the transition to a cleaner, more sustainable energy future.”

BioLargo is now actively pursuing partnerships and pilot projects to accelerate the commercialization of Cellinity technology. The company believes that Cellinity has the potential to significantly impact the energy landscape, enabling greater integration of renewable energy sources and reducing reliance on fossil fuels. Investors and stakeholders are encouraged to follow BioLargo's progress as the company continues to advance this groundbreaking technology.

About BioLargo, Inc.: BioLargo is a cleantech company dedicated to developing and commercializing sustainable technologies that address critical environmental and water purification challenges. Their innovative solutions are designed to improve resource efficiency, reduce pollution, and create a healthier planet.

Forward-Looking Statements: This press release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. These statements are based on current expectations, but actual results may differ materially.