National Silicon Industry Group Co. Ltd. Class A 688126

Bernin (France), March 13, 2026 – Soitec, a world leader in the design and manufacture of innovative semiconductor materials, and Shanghai-based National Silicon Industry Group Co., Ltd. (NSIG) have agreed to a 10-year extension to their manufacturing and commercial licensing framework, in response to growing Chinese demand for Soitec SOI products and technologies. The agreement remains subject to final approval, including ratification by NSIG’s shareholders expected to be obtained by March 31,