Heliogen and Dimensional Energy Announce First-of-its-Kind Collaboration to Produce Carbon-Free Sustainable Aviation Fuel from Concentrated Sunlight and Green Hydrogen

Initiative to demonstrate technology and produce jet fuel reserves for commercially viable carbon neutral flight

Heliogen, Inc. (NYSE: HLGN), a leading provider of AI-enabled concentrated solar energy technology, today announced it has entered into a letter of intent (“LOI”) with Dimensional Energy, a sustainable fuels company, to jointly produce sustainable aviation fuel (“SAF”) at Heliogen’s concentrated solar thermal demonstration facility in Lancaster, Calif. This first-of-its-kind collaboration aims to create a reserve of jet fuel created from sunlight and air to enable the rapid decarbonization of the aviation industry.

The companies will work to deploy Heliogen’s proprietary, artificial intelligence (AI)-powered HelioHeat™ technology to convert sunlight directly into thermal energy in the form of high temperature steam and air that will be used to produce green hydrogen for Dimensional Energy’s Reactor platform. The hydrogen will be produced leveraging the previously announced successful demonstration of Heliogen’s concentrated solar technology. As part of the collaboration between Heliogen and Dimensional Energy, the LOI includes a goal of building a fully integrated ~1 barrel per day drop-in ready SAF demonstration. The parties expect the demonstration project to be a first step to develop a pipeline for approximately 3 million barrels of fuel over the next ten years.

As previously announced, Dimensional Energy has signed a commercial agreement to supply United Airlines with 300 million gallons of SAF over 20 years.

The airline industry is responsible for nearly 3% of global carbon dioxide emissions, while the United Nations expects airplane emissions of carbon dioxide to triple by 2050. SAF is a direct replacement for conventional jet fuel, and can enable the rapid decarbonization of the global aviation sector when produced from carbon-free energy sources like the sun instead of petroleum. The SAF market is projected to grow from $219 million in 2021 to $15.7 billion by 2030, expanding at a 60.8% CAGR, according to ResearchandMarkets.com.

“At Heliogen, our mission is to decarbonize industry by delivering advanced renewable energy systems that are more affordable than fossil fuels and we are thrilled to collaborate with Dimensional Energy to advance the decarbonization of the aviation industry,” said Bill Gross, Founder and Chief Executive Officer, Heliogen. “Dimensional’s flexible thermal utilization platform is the most scalable and cost effective solution, and when combined with Heliogen’s transformative concentrated solar technology, this partnership brings us one crucial step closer to a future where we can fly planes on fuel created by sunlight and air – not fossil fuels.”

“This collaboration with Heliogen represents a key development in our vision of a world free from fossil fuel dependency,” said Jason Salfi, Co-founder and Chief Executive Officer, Dimensional Energy. “Leveraging Heliogen’s breakthrough technology to use sunlight to produce SAF will help demonstrate the potential for a truly carbon-free, more affordable, and drop-in replacement for conventional jet fuel.”

About Heliogen

Heliogen is a renewable energy technology company focused on decarbonizing industry and empowering a sustainable future. The company’s concentrated solar energy and thermal storage systems aim to deliver carbon-free heat, power, or green hydrogen at scale to support round-the-clock industrial operations. Powered by AI, computer vision and robotics, Heliogen is focused on providing robust clean energy solutions that accelerate the transition to renewable energy, without compromising reliability, availability, or cost. For more information about Heliogen, please visit heliogen.com

About Dimensional

Dimensional Energy envisions a world free from fossil fuel dependency. We use carbon dioxide emissions as a replacement for fossil carbon to make the fuels and products people use every day. Our team of subject matter experts come from all over the world with a shared purpose of making the sustainable materials necessary for a truly circular economy and bringing about climate justice for all. Our technology can produce energy locally, at a scale that can satisfy global demand without extracting resources or fomenting conflict. Learn more at www.dimensionalenergy.com.

Forward-Looking Statements

This press release contains certain forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Statements that are not historical in nature, including the words “anticipate,” “expect,” “suggests,” “plan,” “believe,” “intend,” “estimates,” “targets,” “projects,” “should,” “could,” “would,” “may,” “will,” “forecast” and other similar expressions are intended to identify forward-looking statements. These forward-looking statements include, but are not limited to, statements regarding the production of, and current and projected market for, sustainable aviation fuel. Forward-looking statements are predictions, projections and other statements about future events that are based on current expectations and assumptions and, as a result, are subject to risks and uncertainties. Many factors could cause actual future events to differ materially from the forward-looking statements in this press release, including but not limited to: (i) our financial and business performance, including risk of uncertainty in our financial projections and business metrics and any underlying assumptions thereunder; (ii) our ability to execute our business model, including market acceptance of our planned products and services and achieving sufficient production volumes at acceptable quality levels and prices; (iii) our ability to access sources of capital to finance operations, growth and future capital requirements; (iv) our ability to maintain and enhance our products and brand, and to attract and retain customers; (v) our ability to scale in a cost effective manner; (vi) changes in applicable laws or regulations; (vii) the ongoing impacts of the COVID-19 pandemic and the potential impacts of Russia’s invasion of Ukraine on our business; (viii) developments and projections relating to our competitors and industry; (ix) our ability to access sources of capital to finance operations, growth and future capital requirements; and (x) our ability to protect our intellectual property. You should carefully consider the foregoing factors and the other risks and uncertainties disclosed in the “Risk Factors” section in Part I, Item 1A in our Annual Report on Form 10-K/A for the annual period ended December 31, 2021 and other documents filed by Heliogen from time to time with the SEC. These filings identify and address other important risks and uncertainties that could cause actual events and results to differ materially from those contained in the forward-looking statements. Forward-looking statements speak only as of the date they are made. Readers are cautioned not to put undue reliance on forward-looking statements, and Heliogen assumes no obligation and does not intend to update or revise these forward-looking statements, whether as a result of new information, future events, or otherwise.

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