UMC Obtains LEED Gold Certification for Fab 12X

United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) ("UMC"), aleading global semiconductor foundry, today announced that its 300mm Fab12X in Xiamen China, has gained LEED (Leadership in Energy andEnvironmental Design) Gold recognition from the U.S. Green BuildingCouncil. The state-of-the-art fab achieved the highest combined scoreamong all 300mm foundry fabs in China, including a perfect score forWater Efficiency. This milestone further demonstrates UMC's commitmentto green building and