• Westport identified unauthorized access to its network, involving certain internal IT business applications and other business and employee information.
• The company activated incident response protocols and took actions to contain the incident, and the investigation is ongoing.
• Manufacturing operations are managed on dedicated servers separate from those accessed, and manufacturing continuity has not been affected.
• Westport said its ability to fulfill customer orders remains intact, with no disruptions anticipated to operational delivery.
• The incident has prompted an internal assessment of the integrity and accuracy of financial results, and Westport expects to file annual financial results after the March 31, 2026 deadline.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Westport Fuel Systems Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001171843-26-001985), on March 27, 2026, and is solely responsible for the information contained therein.