MBT - Mobile TeleSystems PJSC (MBT) Q1 2021 Earnings Call Transcript June, 12 2021 01:14 PM Mobile TeleSystems PJSC Image source: The Motley Fool. Mobile TeleSystems PJSC (NYSE: MBT) Q1 2021 Earnings Call May 18, 2021 , 11:00 a.m. ET Continue reading For further details see: Mobile TeleSystems PJSC (MBT) Q1 2021 Earnings Call Transcript