HYLN CLASS ACTION NOTICE: Faruqi & Faruqi, LLP Reminds Hyliion Investors of Securities Class Action Lawsuit Deadline on October 27, 2026

Faruqi & Faruqi, LLP Securities Litigation Partner James (Josh) Wilson Encourages Investors Who Suffered Losses In Hyliion To Contact Him Directly To Discuss Their Options If you purchased or acquired securities in Hyliion between May 12, 2026 and June 23, 2026 and would like to discuss your legal rights, call Faruqi & Faruqi partner Josh Wilson directly at 877-247-4292 or 212-983-9330 (Ext. 1310). [You may also click here for additional information] New York, New York--(Newsfile Corp. - September 5, 2026) - Faruqi & Faruqi, LLP, a leading national securities law firm, is investigating potential claims against Hyliion Holdings Corp. (""Hyliion" or the "Company") (NYSE American: HYLN) and reminds investors of the October 27, 2026 deadline to seek the role of lead plaintiff in a federal securities class action that has been filed against the Company.

Newsfile Corp • Sep 5, 2026

HYLN Investors Have Opportunity to Lead Hyliion Holdings Corp. Securities Fraud Lawsuit with SBS Law

LOS ANGELES, Sept. 04, 2026 (GLOBE NEWSWIRE) -- Schall, Brown & Schwartz LLP (“SBS”), a national shareholder rights litigation firm, reminds investors of a class action lawsuit against Hyliion Holdings Corp. (“Hyliion” or “the Company”) (NYSE American: HYLN) for violations of §§10(b) and 20(a) of the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder by the U.S. Securities and Exchange Commission.

GlobeNewsWire • Sep 4, 2026

ROSEN, GLOBAL INVESTOR COUNSEL, Encourages Hyliion Holdings Corp. Investors to Secure Counsel Before Important Deadline in Securities Class Action - HYLN

NEW YORK, Sept. 04, 2026 (GLOBE NEWSWIRE) -- WHY: Rosen Law Firm, a global investor rights law firm, announces it has filed a class action lawsuit on behalf of purchasers of securities of Hyliion Holdings Corp. (NYSE American: HYLN) between May 12, 2026 and June 23, 2026, both dates inclusive (the “Class Period”). A class action lawsuit has already been filed. If you wish to serve as lead plaintiff, you must move the Court no later than October 27, 2026 in the securities class action first filed by the Firm.

GlobeNewsWire • Sep 4, 2026

Deadline Soon: Hyliion Holdings Corp. (HYLN) Shareholders Who Lost Money Urged To Contact The Law Offices of Frank R. Cruz About Securities Fraud Lawsuit

LOS ANGELES--(BUSINESS WIRE)--The Law Offices of Frank R. Cruz reminds investors of the upcoming October 27, 2026 deadline to participate as a lead plaintiff in the securities fraud class action lawsuit filed on behalf of investors who acquired Hyliion Holdings Corp. (“Hyliion” or the “Company”) (NYSE: HYLN) securities between May 12, 2026 and June 23, 2026, inclusive (the “Class Period”). IF YOU ARE AN INVESTOR WHO LOST MONEY ON HYLIION HOLDINGS CORP. (HYLN), CLICK HERE TO PARTICIPATE IN THE S.

Business Wire • Sep 4, 2026

Kaplan Fox Reminds Hyliion Holdings Corp. (NYSE: HYLN) Investors with Significant Losses to Seek a Leadership Role Before Deadline on October 27, 2026

NEW YORK, Sept. 04, 2026 (GLOBE NEWSWIRE) -- Kaplan Fox & Kilsheimer LLP announces that a class action lawsuit has been filed against Hyliion Holdings Corp. (“Hyliion” or the “Company”) (NYSE: HYLN) on behalf of investors that purchased or otherwise acquired Hyliion securities between May 12, 2026 and June 23, 2026 (the “Class Period”).

GlobeNewsWire • Sep 4, 2026

Kaplan Fox Reminds Hyliion Holdings Corp. (HYLN) Investors Seeking Recovery of the Lead Plaintiff Deadline on October 27, 2026

New York, New York--(Newsfile Corp. - September 4, 2026) - Kaplan Fox & Kilsheimer LLP announces that a class action lawsuit has been filed against Hyliion Holdings Corp. ("Hyliion" or the "Company") (NYSE American: HYLN) on behalf of investors that purchased or otherwise acquired Hyliion securities between May 12, 2026 and June 23, 2026 (the "Class Period"). CLICK HERE TO JOIN THE CASE If you are an investor in Hyliion and have suffered losses, you may CLICK HERE to contact us.

Newsfile Corp • Sep 4, 2026

INVESTOR ALERT: Pomerantz Law Firm Reminds Investors with Losses on their Investment in Hyliion Holdings Corp. of Class Action Lawsuit and Upcoming Deadlines - HYLN

NEW YORK, Sept. 3, 2026 /PRNewswire/ --Pomerantz LLP announces that a class action lawsuit has been filed against Hyliion Holdings Corp. ("Hyliion" or the "Company") (NYSE: HYLN).

PRNewsWire • Sep 3, 2026

Glancy Prongay Wolke & Rotter LLP, a Leading Securities Fraud Law Firm Encourages Hyliion Holdings Corp. (HYLN) Shareholders To Inquire About Securities Fraud Class Action

LOS ANGELES--(BUSINESS WIRE)--Glancy Prongay Wolke & Rotter LLP, a leading national shareholder rights law firm, announces that a securities fraud class action lawsuit has been filed on behalf of investors who purchased or otherwise Hyliion Holdings Corp. (“Hyliion” or the “Company”) (NYSE: HYLN) securities between May 12, 2026 and June 23, 2026, inclusive (the “Class Period”). Hyliion Holdings Corp. investors have until October 27, 2026 to file a lead plaintiff motion. IF YOU SUFFERED A LO.

Business Wire • Sep 3, 2026

Kaplan Fox Encourages Hyliion Holdings Corp. (HYLN) Investors with Losses to Contact the Firm Before October 27, 2026

New York, New York--(Newsfile Corp. - September 3, 2026) - Kaplan Fox & Kilsheimer LLP announces that a class action lawsuit has been filed against Hyliion Holdings Corp. ("Hyliion" or the "Company") (NYSE American: HYLN) on behalf of investors that purchased or otherwise acquired Hyliion securities between May 12, 2026 and June 23, 2026 (the "Class Period"). CLICK HERE TO JOIN THE CASE If you are an investor in Hyliion and have suffered losses, you may CLICK HERE to contact us.

Newsfile Corp • Sep 3, 2026

SueWallSt Reminds Hyliion Holdings Investors of the Pending Class Action Lawsuit With a Lead Plaintiff Deadline of October 27, 2026 - HYLN

Hyliion told investors its VFG data center deal was a "non-binding" letter of intent, but the securities class action alleges that qualifier did not disclose what plaintiffs say mattered most: the counterparty was incorporated on January 5, 2026, appeared to have four employees, and had no identifiable funding history. HYLN shares lost $2.45 per share across two sessions.

PRNewsWire • Sep 3, 2026