August 2001

22.08.2001
Mobile TeleSystems introduce Unified Payment System

MTS Express Payment card is now effective federally Moscow, Russia, August 22, 2001 — Mobile TeleSystems OJSC (NYSE: MBT), Russia’s leading mobile operator, has launched a Unified Payment System (UPS) that will be effective in all MTS operational regions, in line with MTS’ strategy of expanding its pan-Russian network.

16.08.2001
Mobile TeleSystems (MTS) financial results for the second quarter 2001

MTS announces continuing profitable growth for the Second quarter 2001 Moscow, Russian Federation — 16 August 2001 — Mobile TelesyStems OJSC (NYSE: MBT), Russia’s leading mobile operator, today announced its financial and operational results for the 2nd quater 2001 and the six months ending 30th June 2001.

15.08.2001
15.08.2001
Mobile TeleSystems OJSC expands in Eastern Russia

MTS' Nationwide Standing Strengthened by Acquisition of Telecom-900 Moscow, Russian Federation — August 16, 2001 — Mobile TeleSystems OJSC (NYSE: MBT), Russia’s largest mobile operator, today announced it has completed the acquisition of 81% of shares in Telecom-900 CJSC for US$27 million.

03.08.2001
Mobile TeleSystems hits the two million subscriber mark

Moscow, Russian Federation — 3 August 2001 — Mobile TeleSystems OJSC (NYSE: MBT), Russia’s leading mobile operator, announces that its’ customer base has reached a level of two million active subscribers. The two millionth customer of the integrated MTS network was registered at 10:30am today, at the MTS office in Kaluga.

01.08.2001

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