UMC Receives “Best Foundry” Honor from Infineon

United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) (UMC), a leading semiconductor foundry, announced today that UMC was named Best Silicon Foundry (CMOS) by Infineon Technologies AG (FSE: IFX / OTCQX: IFNNY), recognizing UMCs dedication to manufacturing excellence and strong commitment to support customers amid recent supply chain disruptions.