UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
________________________________
SCHEDULE 14A INFORMATION
________________________________
Proxy Statement Pursuant to Section 14(a) of the
Securities Exchange Act of 1934
(Amendment No.    )
Filed by the Registrant ☒
Filed by a party other than the Registrant ☐
Check the appropriate box:
☐ Preliminary Proxy Statement
☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
☐ Definitive Proxy Statement
☒ Definitive Additional Materials
☐ Soliciting Material under §240.14a-12
Hyliion Holdings Corp.
______________________________________________________________________________
(Name of Registrant as Specified in Its Charter)

Payment of Filing Fee (Check the appropriate box):
☒ No fee required.
☐ Fee paid previously with preliminary materials.
☐ Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.
1

On May 15, 2024, Hyliion Holdings Corp. published the following post on Discord, X, Facebook, and Linkedin.
addlmaterials.jpg
2
Hyliion (NYSE:HYLN)
Historical Stock Chart
From Jan 2025 to Feb 2025 Click Here for more Hyliion Charts.
Hyliion (NYSE:HYLN)
Historical Stock Chart
From Feb 2024 to Feb 2025 Click Here for more Hyliion Charts.