2025 Price Adjustment Letter Dear User Partner: Hello! Thank you for your trust and support for Restek. Our company adheres to the service concept of Plusl to provide you with high-quality products and services, and fully assist Chinese users to achieve professional and efficient chromatography work. Your recognition of Restek products and services is our greatest motivation. In the case of rising production and operating costs, in order to continue to provide high-quality products and services, our company will adjust the catalog prices of related products. The new prices will take effect on March 1, 2025. For detailed price information, please contact Restek China (Restek) sales staff, or contact us through the following channels: Toll-free hotline: 4000-815-005 Official website: www.restek.com