Ess Tech (GWH) investor relations material

Company overview and business model

• Develops and manufactures non-lithium energy storage solutions using sodium-ion and iron flow battery technologies, focusing on earth-abundant materials for safe, reliable, and cost-effective storage.

• Serves utilities, independent power producers, and commercial/industrial customers to support clean energy deployment.

• Originated as an iron flow battery manufacturer in 2011 and recently added sodium-ion technology, sourcing cells from third parties and assembling key components in-house.

• Aims to address a broad range of energy storage needs and reduce reliance on constrained critical minerals.

Financial performance and metrics

• Audit report notes recurring net losses from operations and negative cash flows, raising substantial doubt about ability to continue as a going concern.

• As of September 2, 2026, 40,274,150 shares of common stock were outstanding.

Use of proceeds and capital allocation

• May receive up to $6.6 million from warrant exercises, if exercised for cash; proceeds expected to be used for working capital, general corporate purposes, and repayment of $500,000 under a promissory note.

• No proceeds from resale of shares by selling securityholders; company bears registration costs, while selling securityholders pay commissions and legal expenses related to their sales.