WESTPORT FUEL SYSTEMS INC.

This report contains “forward-looking statements” within the meaning of the U.S. federal securities laws. Forward-looking statements can be identified by words such as “projects,” “may,” “will,” “could,” “would,” “should,” “believes,” “expects,” “anticipates,” “estimates,” “intends,” “plans,” “potential,” “promise” or similar references to future periods. Examples of forward-looking statements in this current report include, without limitation, statements regarding the satisfaction of the conditions to Roth Principal Investments’ purchase obligations and the intended use of any proceeds to the Company from the Committed Equity Facility. Forward-looking statements are statements that are not historical facts, nor assurances of future performance. Instead, they are based on the Company’s current beliefs, expectations and assumptions regarding the future of its business, future plans, strategies, projections, anticipated events and trends, the economy and other future conditions. Because forward-looking statements relate to the future, they are subject to inherent risks and uncertainties, and actual results may differ materially from those set forth in the forward-looking statements. Important factors that could cause actual results to differ include, without limitation, the risks and uncertainties described in the Company’s annual report on Form 20-F for the year ended December 31, 2025, filed with the Commission on April 23, 2026, and the Company’s other filings with the Commission. Any forward-looking statement made by the Company in this report is based only on information currently available and speaks only as of the date on which it is made. Except as required by applicable law, the Company expressly disclaims any obligation to publicly update any forward-looking statements, whether written or oral, that may be made from time to time, whether as a result of new information, future developments or otherwise.