United Microelectronics Corporation (NYSE:UMC) Q4 2022 Results Conference Call January 16, 2023 4:00 AM ET Company Participants Michael Lin - Head, IR Jason Wang - President Chi-Tung Liu - CFO Conference Call Participants Randy Abrams - Credit Suisse Gokul Hariharan - JP Morgan Charlie Chan - Morgan Stanley Szeho Ng - China Renaissance Sunny Lin - UBS Laura Chen - Citigroup Bruce Lu - Goldman Sachs Operator Welcome everyone to UMC's 2022 Fourth Quarter Earnings Conference Call. All lines have been placed on ...

United Microelectronics Corporation (NYSE:UMC) Q4 2018 Results Conference Call October 26, 2022 5:00 AM ET Company Participants Michael Lin - Head, IR Jason Wang - President Chi-Tung Liu - CFO Conference Call Participants Randy Abrams - Credit Suisse Gokul Hariharan - JP Morgan Laura Chen - Citigroup Sunny Lin - UBS Bruce Lu - Goldman Sachs Szeho Ng - China Renaissance Charlie Chan - Morgan Stanley Operator Welcome everyone to UMC’s 2022 Third Quarter Earnings Conference Call. [Operator Instructions] For yo ...

United Microelectronics Corporation (NYSE:UMC) Q2 2022 Earnings Conference Call July 27, 2022 5:00 AM ET Company Participants Michael Lin - Head of Investor Relations Jason Wang - President Qi Dong Liu - Chief Financial Officer Conference Call Participants Randy Abrams - Credit Suisse Brett Simpson - Arete Research Laura Chen - Citigroup Szeho Ng - China Renaissance Sunny Lin - UBS Charlie Chan - Morgan Stanley Gokul Hariharan - JPMorgan Frank Lee - HSBC Operator Welcome everyone to UMC's 2022 Second Quarte ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☐ SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES ...

United Microelectronics Corporation (NYSE:UMC) Q1 2022 Earnings Conference Call April 27, 2022 5:00 AM ET Company Participants Michael Lin - Head of IR Qi Dong Liu - CFO, SVP, Head of Corporate Governance & Company Secretary Jason Wang - President Conference Call Participants Randy Abrams - Credit Suisse Brett Simpson - Arete Research Bruce Lu - Goldman Sachs Charlie Chan - Morgan Stanley Gokul Hariharan - JPMorgan Sunny Lin - UBS Szeho Ng - China Renaissance Nicolas Baratte - Macquarie Frank Lee - HSBC Pat ...