Hyliion Holdings Corp. (NYSE American: HYLN), a developer of modular power plant technology, today announced it will host a conference call and accompanying webcast at 10:00 a.m. CT / 11:00 a.m. ET on Wednesday, August 13, 2025, to discuss its financial results, the company's business, and outlook. Hyliion plans to report its 2025 second-quarter financial results after the market close on Tuesday, August 12, 2025.

Hyliion’s Second-Quarter 2025 Conference Call

Date: Wednesday, August 13, 2025

Time: 10:00 a.m. CT / 11:00 a.m. ET

Conference Call Online Registration for the Q&A:

https://registrations.events/direct/Q4I759810

Access the Webcast:

https://events.q4inc.com/attendee/519591232

An archived webcast of the conference call will be accessible on the Investor Relations section of the Hyliion website.

About Hyliion

Hyliion is committed to creating innovative solutions that enable clean, flexible and affordable electricity production. The Company’s primary focus is to provide modular power plant technology that can operate on various fuel sources to future-proof against an ever-changing energy economy. Headquartered in Austin, Texas, and with research and development in Cincinnati, Ohio, Hyliion is initially targeting the commercial and waste management industries with a locally deployable KARNO^TM Power Module that can offer prime power as well as energy arbitrage opportunities. Beyond stationary power, Hyliion will address mobile applications such as vehicles and marine. The Company aims to offer innovative, yet practical solutions that contribute positively to the environment in the energy economy. For further information, please visit www.hyliion.com.

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