18 May 2022

Invinity Energy Systems plc

("Invinity" or the "Company")

Executing on U.S. Strategy

Invinity Energy Systems plc (AIM:IES), a leading global manufacturer of utility-grade energy storage, is pleased to announce the appointment of EAS Advisors LLC ("EAS") as U.S. Corporate Advisor. The appointment of EAS supports the Company's strategy to materially expand Invinity's presence in U.S. commercial and financial markets. EAS's initial focus will be on increasing the level of U.S. investor activity in Invinity shares.

Working alongside Invinity's joint brokers, Canaccord Genuity and VSA Capital, EAS is charged with improving liquidity for Invinity shareholders and leveraging growing U.S. investor interest in proven energy storage companies. This initiative is being pursued by the Board to capitalize on Invinity's status as one of very few energy storage companies with non-lithium batteries advanced enough that customers have connected them to the grid and are using them to earn revenue.

Building on a portfolio of successfully deployed battery systems in California, the Company has opened a new sales and corporate development office in San Francisco where Invinity's global head of sales is now based alongside Invinity CEO Larry Zulch and other commercial staff. This expanded presence in California underlines the Company's commitment to growing its commercial, operational and corporate activities in the U.S.

Larry Zulch, Chief Executive Officer at Invinity said:

"Invinity is well positioned to continue growing our leadership position in long-duration non-lithium energy storage in three of the world's most exciting markets - the UK, Australia and North America. As we expand on relationships and deliver marquee projects in these regions, we expect shareholder interest to follow. Our engagement with EAS underlines our commitment to commercial success in North America and building liquidity and long-term value for all of Invinity's existing and future shareholders with a significant presence in U.S. equity markets. We're pleased to be working with EAS given their impressive capabilities and track record."

About EAS

Founded in 2008, EAS is a private, New York-based boutique corporate advisory firm focused on helping early-stage natural resources and industrial groups access U.S. and international financial markets and institutional capital. In addition to exposure to U.S. investors, EAS provides companies with access to local industry contacts to enhance their growth and expansion. EAS operates under the broker/dealer license of Odeon Capital Group LLC - member of FINRA/SIPC/MSRB/NFA. More details on EAS Advisors can be found on EAS's website at https://easadvisors.com/.

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Notes to Editors

Invinity Energy Systems plc (AIM:IES) manufactures flow batteries for large-scale, high-throughput energy storage requirements of business, industry and electrical networks.

Invinity's factory-built flow batteries run continually with no degradation for over 25 years, making them suitable for the most demanding applications in renewable energy production. Energy storage systems based on Invinity's batteries are safe, reliable, and economical, and range in size from less than 250 kilowatt-hours to tens of megawatt-hours.

Invinity was created in April 2020 through the merger of two flow battery industry leaders: redT energy plc and Avalon Battery Corporation. With over 25 MWh of systems deployed to date across more than 40 sites in 15 countries, Invinity is active in all major global energy storage markets and has operations in the UK, Canada, USA, China and Australia. Invinity Energy Systems plc is listed on the London Stock Exchange.

To find out more, visit invinity.com or call Investor Relations on +44 (0)204 551 0361