UMC Reports Sales for September 2019

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

Revenues for September 2019

Period	2019	2018	Y/Y Change	Y/Y (%)
September	10,826,223	11,855,805	-1,029,582	-8.68%
Jan.-Sep.	106,352,583	115,735,370	-9,382,787	-8.11%

(*) 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.