UMC Reports Sales for November 2021

Taipei, Taiwan, December 6, 2021--United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) (“UMC”), today reported unaudited net sales for the month of November 2021.

Revenues for November 2021

Period	2021	2020	Y/Y Change	Y/Y (%)
November	19,661,423	14,725,559	+4,935,864	+33.52%
Jan.-Nov.	192,731,438	161,532,945	+31,198,493	+19.31%

(*) 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.