KING YUAN ELECTRONICS Business Summary

King Yuan Electronics Co., Ltd. (KYEC) operates as the world’s largest professional pure-play semiconductor testing house, generating approximately 90% of its revenue through high-volume outsourced semiconductor assembly and test (OSAT) services. The company’s primary business segments include wafer probing, final product testing, burn-in services, and pre-assembly/packaging solutions for a diverse range of applications such as AI, high-performance computing (HPC), 5G, and automotive electronics. KYEC utilizes a transaction-based service model, charging global fabless firms, integrated device manufacturers (IDMs), and foundries for specialized testing capacity and engineering development. In the competitive landscape, KYEC maintains a dominant niche position relative to diversified OSAT giants like ASE Technology Holding, JCET Group, and Powertech Technology (PTI) by focusing strictly on the testing-intensive backend of the supply chain, where it currently serves as a critical partner for advanced AI chip leaders like Nvidia. Founded in 1987 by Chairman Chin-Kung (C.K.) Lee, the leadership team is characterized by deep institutional knowledge and a pedigree in Taiwan’s foundational semiconductor industry. Chairman Lee, a former manufacturing manager at United Microelectronics Corporation (UMC), is supported by President Gauss Chang, who assumed the role in September 2023 following a tenure at Winbond Electronics and over two decades of strategic leadership within KYEC. Technical innovation is directed by long-standing CTO Shih Pao Chang, who has overseen the company’s R&D and equipment development since 1998, while Logan Chao serves as the current Chief Financial Officer. The company’s board and ownership structure feature significant institutional backing from notable entities such as Yann Yuan Investment Co., Ltd. and Fubon Life Insurance, reflecting its status as a stable, high-growth benchmark in the global semiconductor testing market.