A Global Partner PSI & Weichai Collaboration In 2017, PSI entered into a strategic investment and collaboration agreement with Weichai America Corp., a wholly-owned subsidiary of Weichai Power Co., Ltd. Weichai is the largest car parts and power system conglomerate in China. PSI has access to Weichai’s manufacturing facilities and supply chain network, and both companies share best practices in engine research and development, as well as manufacturing, procurement and distribution. Our relationship with Weichai gives PSI a global presence, with more than 500 service centers located in 55 countries. To learn more about Weichai's capabilities and our strategic partnership with the company, visit www.weichaipower.com. VISIT WEICHAI POWER Want to receive our SUBSCRIBE NOW Copyright © 2021. All Rights Reserved Power Solutions International, Inc. Corporate Headquarters 201 Mittel Drive Wood Dale, IL 60191 United States of America 1.630.350.9400 (Main) 1.630.350.9900 (Fax) HOME ABOUT SOLUTIONS PRODUCTS NEWS CAREERS INVESTORS CONTACT TERMS AND CONDITIONS PRIVACY POLICY manage cookies

Company Conduct Complaints Whistleblower Hotline Any affected individual, such as employees, suppliers, customers and shareholders can communicate anonymously with the Company through the Audit Committee of the Board of Directors. The Company has established a toll-free compliance help line (the "Telephone Help Line") that allow employees, suppliers, customers and shareholders to communicate good faith complaints or reports to the Company that are based on first-hand, direct information or information from another source that the reporting individual reasonably believes to be credible. Such complaints or reports received through the Telephone Help Line will be brought to the attention of the Audit Committee. The Telephone Help Line is operated by a neutral third-party administrator. TELEPHONE HELP LINE 800.461.9330 Want to receive our SUBSCRIBE NOW Copyright © 2021. All Rights Reserved Power Solutions International, Inc. Corporate Headquarters 201 Mittel Drive Wood Dale, IL 60191 United States of America 1.630.350.9400 (Main) 1.630.350.9900 (Fax) HOME ABOUT SOLUTIONS PRODUCTS NEWS CAREERS INVESTORS CONTACT TERMS AND CONDITIONS PRIVACY POLICY manage cookies