BIOLARGO Business Summary

BioLargo, Inc. (BLGO) is a diversified cleantech and life sciences innovator that generates revenue through a multi-pronged model encompassing direct product sales, recurring environmental engineering service contracts, and technology licensing. The company operates through five primary business segments: ONM Environmental, which provides industrial odor and VOC control solutions (including the flagship Pooph brand, currently subject to intellectual property litigation); BioLargo Engineering, Science & Technologies (BLEST), offering full-service environmental consulting; BioLargo Water, focused on the Aqueous Electrostatic Concentrator (AEC) for PFAS "forever chemical" remediation; Clyra Medical Technologies, developing advanced wound care and surgical products; and BioLargo Energy Technologies, which commercializes the Cellinity liquid-sodium battery for long-duration energy storage. In a competitive landscape featuring specialized players such as Arq, Inc., Aemetis, Inc., H2O Innovation, and Flexible Solutions International, BioLargo distinguishes itself as a high-density technology incubator that bridges the gap between lab-scale invention and commercial-scale engineering, positioning itself as a vertically integrated disruptor in the multi-billion dollar environmental remediation and sustainable energy markets. The leadership team is anchored by President and CEO Dennis P. Calvert, who has led the company since 2002 and brings a background in economics from Wake Forest University and extensive experience in clean-tech commercialization. The company’s technical foundation is driven by Chief Science Officer Kenneth R. Code, the prolific inventor behind BioLargo’s core patent portfolio with over 20 years of expertise in iodine-based oxidative chemistry. Other key executives include CFO Charles K. Dargan II, a seasoned financial strategist with a CPA background, and Executive VP of Operations Joseph Provenzano, who specializes in corporate mergers and acquisitions. The board of directors is bolstered by notable figures such as Jack B. Strommen, CEO of PD Instore and representative of Sanatio Capital LLC, a significant institutional investor, and Dennis E. Marshall, who provides over four decades of asset management and operational oversight experience. This veteran leadership group maintains a high insider ownership stake of approximately 13.8%, aligning management incentives with the company’s long-term pivot toward large-scale infrastructure and medical market penetration in 2026.