United Microelectronics Corporation 2020 Annual Report Printed on February 24, 2021 UMC Annual Report Information Can Be Accessed from the Following Websites: https://www.umc.com https://mops.twse.com.tw Annual Report TSE Code: 2303 NYSE Symbol: UMC 2020 Spokesperson Fab 8F Securities Dealing Institution Chitung Liu 3 Li-Hsin 6th Rd., Hsinchu Science Park, Hsinchu, Horizon Securities Co., Ltd. Senior Vice President and Taiwan 30078, R.O.C. Stock Registration Department Chief Financial Officer 886 (3) 578 2258 3F, No.236 Hsin-Yi Rd. Sec. 4, Taipei, Taiwan 886 (2) 2658 9168 10680, R.O.C.
[email protected] Fab 8S 886 (2) 2326 8818 16 Creation 1st Rd., Hsinchu Science Park, http://www.honsec.com.tw Acting Spokesperson(s) Hsinchu, Taiwan 30077, R.O.C. Jinhong Lin 886 (3) 578 2258 ADR Depositary and Registrar Finance Division J.P. Morgan Depositary Receipts Senior Director Fab 12A 383 Madison Avenue, 11th Floor 886 (2) 2658 9168 18, 20 Nan-Ke 2nd Rd., & 57 Nan-Ke 3rd Rd., New York, NY 10179, U.S.A.
[email protected] Southern Taiwan Science Park, Sinshih, Tainan, General Contact:1 (800) 990 1135 Taiwan 74147, R.O.C. Outside the USA:1 (651) 453 2128 David Wong 886 (6) 505 4888 http://www.adr.com Finance Division Manager Singapore Branch ADR Exchange Marketplace 886 (2) 2658 9168 3 Pasir Ris Drive 12, Singapore 519528 NYSE Euronext
[email protected] 65 6213 0018 11 Wall Street, New York, NY 10005, U.S.A. Subsidiary in Mainland China Headquarters 1 (212) 656 3000 HJ 3 Li-Hsin 2nd Rd., Hsinchu Science http://www.nyse.com 333 Xinghua St., Suzhou Industrial Park, Suzhou, Park, Hsinchu, Taiwan 30078, R.O.C.