UMC Reports Sales for February 2020

Taipei, Taiwan, March 9, 2020 --United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) (“UMC”), today reported unaudited net sales for the month of February 2020.

Revenues for February 2020

Period	2020	2019	Y/Y Change	Y/Y (%)
February	13,606,421	10,461,743	+3,144,678	+30.06%
Jan.-Feb.	27,697,439	22,257,220	+5,440,219	+24.44%

(*) 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.