BioLargo - Impacting the World

Forward Looking StatementsThe statements contained herein, which are not historical, are forward-looking statements that are subject to risks and uncertainties that could cause actual results to differ materially from those expressed in the forward-looking statements, including, but not limited to, the risks and uncertainties included in BioLargo’s current and future filings with the Securities and Exchange Commission, including those set forth in BioLargo’s Annual Report on Form 10-K for the year ended December 31, 2015.

Science & Technology

Water – Air – Food – Plants – Animals – People

Making them Clean Safe & Healthy

Impacting the World

About biolargo

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Industrial & consumer products

Water disinfection / dosing

Water disinfection & decontamination

Wound care & disinfection

Recent Highlights

Industrial Odor Control- Wins Key Accounts and Sales and Manufacturing Ramping

AOS Filter is Lowest Cost & Highest Impact Clean Water Technology- Innovation Leader – First Commercial Prototype Delivered August 2016

Wound Care – Funded –Targeting 2017 FDA 510k - Isan Dosing System EPA approved summer 2016

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BIOLARGO’s AOS FILTER Converts a filter into a powerful reactor to manage and remove harmful contaminants

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A SCALABLE WATER TECHNOLOGY

AOS Impact may Extend to Every Segment of the $360 billion Global Water Industry

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AOS - Targeting high-value needs

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Pick a lane to WIN!

The BioLargo Advanced Oxidation System (AOS) Filter

HOW IT WORKS

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“Unprecedented Results”*Professor Lynn McMullen, University

of Alberta

Carbon Iodine Chemistry Electricity *Extremely HighOxidation Potential

Unique Value propositionWhen compared to all known competing technologies, BioLargo’s AOS filter has been proven in hundreds of lab tests at the University of Alberta to be:

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up to 100x more effective

1/20th the cost 10x faster

History of Research Collaborations

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Assets built to license:Advanced wound care

Financing Secured Proof of Efficacy AccomplishedPathway to Success is clear for $1B+ opportunity– 510k pathway – experts contracted &

underway Manufacturing, Formulation, Packaging, Labeling, Regulatory

Proven Leadership Team Liquids, Hydrogels & DressingsHigh Profit Margins

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Cupridyne cleanIndustrial Odor Control

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Unprecedented performance

Large highly fragmented industry

Dissatisfied with old products

Odor control a top priority

Free trial & satisfaction guarantee

Sales network activatingKey accounts LOVE IT!

Poultry Biosecurity SolutionsAqueous Iodine Sanitation Systems

iSAN® Systems

• Specifications• Capacity: up to 750 gallons per minute

at recommended poultry dosing levels.• Ability to capture all sanitation

byproducts through proprietary anion exchange capture resin system.

• Full data logging and audit capability.• 24x7 remote monitoring.• User-friendly, touch screen HMI.• Can be enclosed or unenclosed.

Key benchmarks ahead AOS market-ready pilots targeting early 2017 Successful Commercial Scale Pilots Expanded Grants / Collaborations Establish strategic partnerships New capital is required for product development, manufacturing and launch products Expand Existing Orders First AOS Commercial Sales Fortify the Management Team Extend Marketing and Sales Target Up-List to NASDAQ

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Company Contact:

Dennis Calvert President & CEOBioLargo, Inc.(949) 643-9540dc@biolargo.com www.biolargo.com