ATLANTA, GA – – (Globe Newswire – March 23, 2026) – – A shareholder class action lawsuit has been filed against Power Solutions International, Inc. (“Power Solutions” or the “Company”) (NASDAQ: PSIX). The lawsuit alleges that Defendants issued false and misleading statements and/or failed to disclose material adverse facts regarding Power Solutions’ business, operations, and prospects, including allegations that: (1) the Company overstated its ability to capture sales demand for its power systems solutions, particularly within the data center market; and (2) Power Solutions understated the impact of its enhancements to and manufacturing capacity to meet demand within the data center market, including the expected costs and the nature of the related “inefficiencies.”

If you purchased Power Solutions shares between May 8, 2025 and March 2, 2026, and experienced a significant loss on that investment, you are encouraged to discuss your legal rights by contacting Corey D. Holzer, Esq. at cholzer@holzerlaw.com, by toll-free telephone at (888) 508-6832, or by visiting the firm’s website at www.holzerlaw.com/case/power-solutions-international/ for more information.

The deadline to ask the court to be appointed lead plaintiff in the case is May 19, 2026.