UMC Reports Sales for March 2021

Taipei, Taiwan, April 7, 2021--United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) (“UMC”), today reported unaudited net sales for the month of March 2021.

Revenues for March 2021

Period	2021	2020	Y/Y Change	Y/Y (%)
March	16,619,555	14,570,408	+2,049,147	+14.06%
Jan.-Mar.	47,097,012	42,267,847	+4,829,165	+11.43%

(*) 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.

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聯華電子股份有限公司今(7)日公佈內部自行結算之2021年3月份合併營收為新台幣166.19億元，較去年同期增加14.06%。

Additional information about UMC is available on the web at http://www.umc.com.