Exhibit 99.1 HYLIION HOLDINGS REPORTS SECOND-QUARTER 2024 FINANCIAL RESULTS AUSTIN, Texas, August 6, 2024 – Hyliion Holdings Corp. (NYSE: HYLN) ("Hyliion"), a developer of sustainable electricity-producing technology, today reported its second-quarter 2024 financial results. Key Business Highlights • Secured customer commitments for all 2024 early adopter production capacity and for more than 50% of anticipated 2025 production • Executed a letter of intent with US Energy, a leading provider of refined produ ...

Hyliion Holdings Corp. (NYSE:HYLN) Q1 2024 Earnings Conference Call May 1, 2024 11:00 AM ET Company Participants Conference Call Participants Thank you for standing by. My name is Marvalu and I will be your conference operator today. At this time, I would like to welcome everyone to the Hyliion Holdings First Quarter 2024 Earnings Conference Call. All lines have been placed on mute to prevent any background noise. After the speakers' remarks, there will be a question-and-answer session. [Operator Instructio ...

| --- | --- | |--------------------|-------| | | | | | | | | | | | | | 1q24 first quarter | | | | | | Earnings call | | | | | | May 1, 2024 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | HYLIION © 2023 2 KARNOTM milestones | --- | --- | --- | |-------|-------|----------------------------| | | | Up to | | | | 10 | | | | KARNO generators | | | | 2H2025 Initial deployments | Stationary Prime Power Mobility TARGET MARKETS 1 The information in this presentation includes "forward-looking statements" wi ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 001-38823 HYLIION HOLDINGS CORP. (Exact Name of Registrant as Specified in Its Charter) Delaware 83-2538002 (State or Other Juri ...

Exhibit 99.1 Hyliion Holdings Corp. press@hyliion.com (833) 495-4466 ir@hyliion.com HYLIION HOLDINGS REPORTS FIRST-QUARTER 2024 FINANCIAL RESULTS AUSTIN, Texas, April 30, 2024 – Hyliion Holdings Corp. (NYSE: HYLN) (“Hyliion”), a developer of sustainable electricity-producing technology, today reported its first-quarter 2024 financial results. Key Business Highlights • Announced that H2 Energy Group has executed a letter of intent to purchase up to 10 KARNO generator units that will operate on hydrogen rich ...

Hyliion Holdings Corp. (NYSE:HYLN) Q4 2023 Earnings Call Transcript February 14, 2024 11:00 AM ET Greg Standley - Former Vice President of Finance & Accounting Thomas Healy - Chief Executive Officer Jon Panzer - Chief Financial Officer Donovan Schafer - Northland Capital Markets Good morning. My name is Krista, and I'll be your conference operator today. At this time, I would like to welcome everyone to the Hyliion Fourth Quarter Earnings Release Conference Call. [Operator Instructions]. Greg Standley Pleas ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ______________ to _______________ Commission File Number 001-38823 HYLIION HOLDINGS CORP. (Exact name of registrant as specified in its charter) | Delaware ...

For 2024, we expect our cash burn to be reduced to approximately $40 million or a 70% reduction. Our strong capital position gives us financial flexibility well into the future as we begin commercial deployments of our KARNO generator technology next year. Good day, and thank you for standing by. Welcome to the Hyliion Holdings Third Quarter 2023 Earnings Conference Call. At this time, all participants are in a listen-only mode. After managementÂ's prepared remarks, there will be a question-and-answer sessi ...

Table of Contents Commission File No. 001-38823 HYLIION HOLDINGS CORP. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to (Exact Name of Registrant as Specified in Its Charter) | Delaware | 83-2538002 | | --- | -- ...

Question-and-Answer Session Operator Thank you. [Operator Instructions] The first question comes from line of Donovan Schafer. Please go ahead. Donovan Schafer Yes. Hi, guys. Thanks for taking the question. So, I want to first talk about the Hypertruck ERX, doing those 30 units. Sounds like you said you're, you feel pretty comfortable, like you're on track. But being there at the Investor Day, and kind of seeing the list and everything and the crews working on it. I'm just curious, there's a learning curve ...