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, 2022 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 ...

Hyliion Holdings Corp. (NYSE:HYLN) Q3 2022 Results Conference Call November 9, 2022 11:00 AM ET Company Participants Adam Bresser - Senior Director, FP&A and IR Thomas Healy - Chief Executive Officer Jon Panzer - Chief Financial Officer Conference Call Participants Steve Fisher - UBS Andres Sheppard - Cantor Fitzgerald Bill Peterson - JPMorgan Mark Delaney - Goldman Sachs Noel Parks - Tuohy Brothers Investment Research Operator Good day and thank you for standing by. Welcome to the Hyliion’s Third Quarter 2 ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ☐ 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. 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, 2022 OR (Exact Name of Registrant as Specified in Its Charter) | Delaware | 83-2538002 | | --- | -- ...

Hyliion Holdings Corp. (NYSE:HYLN) Q2 2022 Earnings Conference Call August 10, 2022 11:00 AM ET Company Participants Adam Bresser - Senior Director, FP&A and IR Thomas Healy - Chief Executive Officer Sherri Baker - Chief Financial Officer Conference Call Participants Steven Fisher - UBS Bill Peterson - JP Morgan Andres Sheppard - Cantor Fitzgerald Jason Stuhldreher - Barclays Mark Delaney - Goldman Sachs Noel Parks - Tuohy Brothers Investment Research Operator Good day and thank you for standing by. Welcome ...

Second Quarter 2022 Conference Call DISCLAIMER The forward-looking statements contained in this report are based on our current expectations and beliefs concerning future developments and their potential effects on us. There can be no assurance that future developments affecting us will be those that we have anticipated. These forward-looking statements involve a number of risks, uncertainties (some of which are beyond our control), or other assumptions that may cause actual results or performance to be mat ...

For the quarterly period ended June 30, 2022 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 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 | | --- | --- | | ...

Hyliion Holdings Corp. (NYSE:HYLN) Q1 2022 Earnings Conference Call May 10, 2022 11:00 AM ET Company Participants Adam Bresser - Director-Financial Planning & Analysis & Investor Relations Thomas Healy - Chief Executive Officer; Sherri Baker - Chief Financial Officer Conference Call Participants Bill Peterson - JPMorgan Mark Delaney - Goldman Sachs Andres Sheppard - Cantor Fitzgerald Brian Johnson - Barclays Avi Jaroslawicz - UBS Operator Good day and thank you for standing by. Welcome to the Hyliion Holdin ...

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, 2022 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) Indicate by check mark whether the regis ...

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, 2021 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 ...

Hyliion Holdings Corp. (NYSE:HYLN) Q4 2021 Results Conference Call February 24, 2022 11:00 AM ET Company Participants Adam Bresser - Director of Financial Planning and Analysis Thomas Healy - Chief Executive Officer Sherri Baker - Chief Financial Officer Conference Call Participants Andreas Shepherd - Cantor Fitzgerald Steven Fisher - UBS Brian Johnson - Barclays Mark Delaney - Goldman Sachs Noel Parks - Tuohy Brothers Bill Peterson - JP Morgan Operator Good day and thank you for standing by. Welcome to th ...