Eos Energy Enterprises (EOSE) investor relations material

Company overview and technology

• Specializes in stationary energy storage using aqueous zinc-bromine battery technology, now in its third product iteration.

• Over 6 GWh of energy discharged in the field, with a 90% U.S.-based supply chain and manufacturing centered in Pittsburgh.

• New state-of-the-art manufacturing line launched in Thorn Hill, improving efficiency and incorporating lessons from previous lines.

Manufacturing and operational updates

• Transitioned from an older facility to a modern site, enabling faster ramp-up and improved production stability.

• New production line reached previous output levels in just five days, compared to six months for the first line.

• Plans to add lines 3 and 4 are tied to market demand and capacity reservations.

• Asset utilization and process improvements have reduced material handling and increased throughput.

Frontier Power initiative

• Frontier Power was formed to streamline project financing and accelerate conversion of pipeline opportunities.

• Funded through equity from Cerberus and a rights offering, targeting $2 billion in deployable capital.

• Capacity reservations of 2 GWh have already resulted in 480 MWh of orders within weeks.

• Eos shareholders will participate in project returns, with a 49% equity split anticipated.