ALTR Altair Engineering Inc

Altair (Nasdaq: ALTR), a global leader in computational science and artificial intelligence, will release its financial results for the third quarter ended September 30, 2023, after the market close on Thursday, November 2, 2023. On that day, management will hold a conference call and webcast at 5 p.m. ET to review and discuss the Company’s third quarter 2023 results and fourth quarter and full year 2023 outlook. A recorded version of this webcast will be available after the call and accessible at http://investor.altair.com.

What:When:Time:Webcast:	Altair’s Third Quarter 2023 Financial Results Conference CallThursday, November 2, 20235 p.m. EThttp://investor.altair.com (live and replay)

About Altair

Altair is a global leader in computational science and artificial intelligence (AI) that provides software and cloud solutions in simulation, high-performance computing (HPC), data analytics and AI. Altair enables organizations across all industries to compete more effectively and drive smarter decisions in an increasingly connected world – all while creating a greener, more sustainable future. To learn more, please visit www.altair.com.

Media RelationsDave SimonAltair248-614-2400 ext. 332dls@altair.com

Investor RelationsThe Blueshirt GroupMonica Gould212-871-3927ir@altair.com