 AUSTIN, Texas--BUSINESS WIRE--Hyliion Holdings Corp. NYSE: HYLN Hyliion, a leader in electrified powertrain solutions for Class 8 semi-trucks, today announced it will host a conference call and accompanying webcast at 11:00 a.m. EST 10:00 a.m. CST on Thursday, February 24, 2022, to discuss its financial results, the Companys business, and outlook. Hyliion Fourth-Quarter and Full-Year 2021 Results Conference Call Date: Thursday, February 24, 2022 Time: 11:00 a.m. EST 10:00 a.m. CST 