Flexible Solutions International (FSI) Registration Filing summary

Company overview and business model

• Operates three factories: Peru, IL (food grade production), Mendota, IL (turf and ornamental products), and Panama City, Panama (Thermal Polyaspartates for international markets).

• Manufactures and markets TPAs for oilfields, agriculture, irrigation, cleaning products, and wine stabilization, as well as nitrogen conservation products for agriculture.

• Offers HEATSAVR® for swimming pool energy savings and WATERSAVR® for reducing water evaporation in reservoirs and irrigation systems.

• Products are distributed under various brands and through both direct and distributor channels in North and South America.

Financial performance and metrics

• As of September 30, 2025, net tangible book value was $3.03 per share.

• As of February 24, 2026, 12,737,498 shares of common stock were outstanding, excluding shares issuable upon exercise or conversion of options or warrants.

Use of proceeds and capital allocation

• Net proceeds from securities sales will be used as set forth in the applicable prospectus supplement.