United Microelectronics Corporation (NYSE:UMC) Q4 2020 Earnings Conference Call January 27, 2021 4:00 AM ET Company Participants Michael Lin - Head of Investor Relations Chi-Tung Liu - Chief Financial Officer Jason Wang - President Conference Call Participants Randy Abrams - Credit Suisse Sunny Lin - UBS Roland Shu - Citigroup Bruce Lu - Goldman Sachs Szeho Ng - China Renaissance Sebastian Hou - CLSA Rick Hsu - Daiwa Securities Charlie Chan - Morgan Stanley Operator Welcome everyone to UMC's 2020 Fourth Qua ...

United Microelectronics Corporation (NYSE:UMC) Q3 2020 Earnings Conference Call October 29, 2020 5:00 AM ET CompanyParticipants Michael Lin - IR Chitung Liu - CFO Jason Wang - President Conference Call Participants Randy Abrams - Credit Suisse Gokul Hariharan - J.P. Morgan Bruce Lu - Goldman Sachs Szeho Ng - China Renaissance Charlie Chan - Morgan Stanley Roland Shu - Citigroup Nicolas Baratte - Macquarie Sunny Lin - UBS Sebastian Hou - CLSA Operator Welcome everyone to UMC's 2020 third quarter earnings co ...

United Microelectronics Corporation (NYSE:UMC) Q2 2020 Earnings Conference Call July 29, 2020 5:00 AM ET Company Participants Michael Lin - Head of Investor Relations Qi Dong Liu - Senior Vice President, Chief Financial Officer, Head of Corporate Governance and Company Secretary Jason Wang - Co-President and Representative Director Conference Call Participants Randy Abrams - Credit Suisse AG Gokul Hariharan - JPMorgan Chase & Co. Szeho Ng - China Renaissance Securities (US) Inc. Roland Shu - Citigroup Inc. ...

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, 2019 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 2020 Results Earnings Conference Call April 27, 2020 5:00 AM ET Company Participants Michael Lin - Division Director of Finance Chitung Liu - Chief Financial Officer SC Chien - Co-President Conference Call Participants Randy Abrams - Credit Suisse Roland Shu - Citi Bruce Lu - Goldman Sachs Gokul Hariharan - JP Morgan Szeho Ng - China Renaissance Sebastian Hou - CLSA Operator Welcome, everyone, to UMC's 2020 First Quarter Earnings Conference Call. All lines h ...

United Microelectronics Corporation (NYSE:UMC) Q4 2019 Results Earnings Conference Call February 5, 2020 4:00 AM ET Company Participants Michael Lin - IR Chitung Liu - CFO Jason Wang - Co-President & Director Conference Call Participants Randy Abrams - Credit Suisse Charlie Chan - Morgan Stanley Gokul Hariharan - JP Morgan Sebastian Hou - CLSA Operator Welcome, everyone, to UMC's 2019 Fourth Quarter Earnings Conference Call. All lines have been placed in mute to prevent background noise. After the presentat ...