UMC Reports Sales for May 2020

Taipei, Taiwan, June 8, 2020--United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) (“UMC”), today reported unaudited net sales for the month of May 2020.

Revenues for May 2020

Period	2020	2019	Y/Y Change	Y/Y (%)
May	14,745,577	12,242,267	+2,503,310	+20.45%
Jan.-May	72,072,613	56,907,501	+15,165,112	+26.65%

(*) 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.