UMC Reports Sales for March 2022

Taipei, Taiwan, April 8, 2022 -- United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) (“UMC”), today reported unaudited net sales for the month of March 2022.

Revenues for March 2022

Period	2022	2021	Y/Y Change	Y/Y (%)
March	22,140,452	16,619,555	+5,520,897	+33.22%
Jan.-Mar.	63,422,820	47,097,012	+16,325,808	+34.66%

(*) 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 https://www.umc.com.