Design & Reuse

UMC Reports Sales for May 2014

Taipei, Taiwan, June 9, 2014--United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) (“UMC”), today reported unaudited net sales for the month of May 2014.

Revenues for May 2014

Period

2014

2013

Y/Y Change

Y/Y (%)

May

11,930,014

10,863,111

+1,066,903

+9.82%

Jan.-May

55,152,339

48,925,254

+6,227,085

+12.73%

(*) All figures in thousands of New Taiwan Dollars (NT$), except for percentages
(**) All figures are consolidated

Additional information about UMC is available on the web at http://www.umc.com.