UMC Reports Sales for April 2019

Taipei, Taiwan, May 9, 2019--United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) (“UMC”), today reported unaudited net sales for the month of April 2019.

Revenues for April 2019

Period	2019	2018	Y/Y Change	Y/Y (%)
April	12,082,275	12,411,996	-329,721	-2.66%
Jan.-Apr.	44,665,234	49,909,133	-5,243,899	-10.51%

(*) 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.