Hsinchu, Taiwan, February 20, 2013 - United Microelectronics Corporation (NYSE: UMC; TSE: 2303) ("UMC"), a leading global semiconductor foundry, today announced that it has received the "Best Supplier Award" from Lantiq for 2012. Lantiq presents this award annually to one selected supplier for their contributions to the company's success. The award was presented to CEO of UMC Mr. Po Wen Yen during a visit to Lantiq's headquarters in Neubiberg, Germany.

"We are honored to receive this award from Lantiq recognizing UMC's contributions to help them deliver maximum value through world-class technology, manufacturing and service," said UMC CEO Mr. Yen. "This award highlights the strength of the partnership between UMC and Lantiq that spans multiple products and process technologies. We look forward to further enhancing our service to them in the future."

Dominik Bilo, COO of Lantiq, said, "UMC is an extremely valuable partner for our fabless strategy and is producing a large portion of our wafer demand. Their high-tech expertise and mature processes are very important to secure the basis for flawless products. I anticipate a continued fruitful relationship with them as we continue to pursue new collaborative activities."

UMC (NYSE: UMC, TWSE: 2303) is a leading global semiconductor foundry that provides advanced technology and manufacturing for applications spanning every major sector of the IC industry. UMC's customer-driven foundry solutions allow chip designers to leverage the company's leading-edge processes, which include 28nm poly-SiON and gate-last High-K/Metal Gate technology, mixed signal/RFCMOS, and a wide range of specialty technologies. Production is supported through 10 wafer manufacturing facilities that include two advanced 300mm fabs; Fab 12A in Taiwan and Singapore-based Fab 12i. Fab 12A consists of Phases 1-4 which are in production for customer products down to 28nm. Construction is underway for Phases 5&6, with future plans for Phases 7&8. The company employs over 13,000 people worldwide and has offices in Taiwan, Japan, Singapore, Europe, and the United States. UMC can be found on the web at https://www.umc.com.