UMC - United Microelectronics Corporation (UMC) Q3 2021 Earnings Call Transcript October, 27 2021 07:00 PM United Microelectronics Corporation Image source: The Motley Fool. United Microelectronics Corporation (NYSE: UMC) Q3 2021 Earnings Call Oct 27, 2021 , 5:00 a.m. ET Operator Continue reading For further details see: United Microelectronics Corporation (UMC) Q3 2021 Earnings Call Transcript