ESS Tech, Inc. (NYSE: GWH) has rescheduled its second quarter 2026 financial results conference call to Tuesday, August 11, 2026, at 5:00 p.m. Eastern Time (2:00 p.m. Pacific Time). The company will report financial results for the quarter ended June 30, 2026, and provide updates on commercial progress, customer deployments, anticipated technology milestones, and a recently announced non-binding Letter of Intent for a proposed business combination.

The conference call will be hosted by CEO Drew Buckley and CFO Kate Suhadolnik, followed by a question-and-answer period. A press release detailing the quarterly results will be issued prior to the call. The event is accompanied by a presentation, which will be available via the investor relations section of the company’s website after the call.

Conference Call Details

A replay of the call can be accessed through the webcast link provided above. The presentation utilized during the call will also be hosted on the company’s investor relations page.

About ESS Tech, Inc.

ESS Tech, Inc. is a leading provider of non-lithium energy storage solutions. Established in 2011, the company aims to accelerate decarbonization safely and sustainably through longer-lasting energy storage. Using easy-to-source materials, ESS solutions enable energy security, reliability, and resilience. The company builds flexible storage solutions that allow customers to meet increasing energy demand without power disruptions and maximize the value potential of excess energy.

ESS Tech, Inc. (NYSE: GWH) has been named one of TIME and Statista's World's Top GreenTech Companies 2026, marking the second consecutive year the company has earned this recognition. The annual ranking, developed by TIME in partnership with Statista, identifies organizations worldwide making significant contributions to a sustainable future through innovative technologies, products, and services. The evaluation considers factors including environmental impact, financial strength, and innovation, highlighting ESS's continued leadership in providing safer, non-lithium energy storage solutions.

This recognition underscores ESS's strategic positioning in the evolving energy storage market, particularly its expansion into sodium-ion technology and the development of the Bridge™ modular energy storage system. The company has identified more than $1 billion in early-stage project opportunities and secured a recent customer agreement with potential to exceed 500 MWh. These developments demonstrate ESS's ability to commercialize its technology portfolio while addressing growing customer demand for safe, sustainable, and resilient energy storage alternatives.

"Being recognized by TIME and Statista for the second consecutive year is a testament to the dedication of our team and the growing importance of sustainable energy storage technologies," said Drew Buckley, CEO of ESS. "As global demand for energy storage accelerates, customers are increasingly seeking solutions that combine performance, safety, sustainability, and supply chain resilience. We are proud to be advancing non-lithium energy storage technologies that support a more secure and reliable energy future."

Technology Portfolio and Market Position

ESS develops battery energy storage solutions built around abundant, responsibly sourced materials, offering an alternative to conventional lithium-based technologies. The company's portfolio includes sodium-ion and iron flow battery systems designed to support applications ranging from grid modernization and renewable energy integration to data centers, critical infrastructure, and commercial and industrial facilities.

The TIME and Statista ranking evaluates thousands of companies worldwide and identifies organizations driving meaningful progress toward decarbonization and environmental sustainability through technological innovation and commercial execution. ESS's inclusion reflects both the strength of its technology portfolio and its commitment to leveraging an emerging American supply chain.

Supply Chain Resilience and Domestic Focus

"Recognition for a second consecutive year reflects both the strength of our technology portfolio and our commitment to leveraging an emerging American supply chain to build energy storage solutions that address growing customer and community demand for safe, sustainable, and resilient alternatives while reducing exposure to foreign-entity concerns," Buckley added. "We believe sustainable energy storage will play a critical role in enabling the energy transition, strengthening energy security, and supporting long-term economic growth."

What the Numbers Show

The identification of more than $1 billion in early-stage project opportunities signals strong market interest in ESS's non-lithium technology portfolio. Combined with the customer agreement exceeding 500 MWh, these figures suggest accelerating commercial traction for the company's sodium-ion solutions. The dual recognition across consecutive years indicates sustained competitive positioning in the green technology sector, particularly as customers prioritize supply chain resilience alongside performance and safety considerations.