GCT Semiconductor Holding, Inc.

Our principal executive offices are located in San Jose, California, and consist of approximately 5,900 square feet under a lease that expires in October 2026. This facility accommodates our product marketing and finance and administrative activities as well as a small research and development team. We have a 56,500 square-foot facility in Seoul, Korea, which accommodates a research and development center under a lease expiring in December 2025 that renews annually. We have a 100 square-foot facility in Taipei, Taiwan, which houses sales and technical support personnel, under a lease that expires in June 2025. We also have an 850 square-foot facility in Shanghai, China, for sales and technical support personnel under a lease that expires in July 2026 and a 1,200 square-foot facility in Shenzhen, China, which accommodates sales and technical support personnel, under a lease that expires in May 2025.

We do not own any real property. We believe that our leased facilities are adequate to meet our current needs and that additional facilities will be available on suitable, commercially reasonable terms to accommodate any future needs.