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Vodafone K.K. announced today that it will expand service areas and upgrade the network quality*1 of
existing service areas for its 3G network to further increase customer convenience. In the month of
December, Vodafone K.K. plans to expand 10 service areas, upgrade the network quality of 96 areas
and add 61 indoor coverage spots for a total of 167 additions. Including these planned expansions, in
the calendar year of 2004 over 400 service areas expansions, 1,500 network quality upgrades, and
600 indoor coverage spots were added. As a result, 3G network national population coverage is
expected to be 99.73%*2 at the end of December, a 0.28 point rise from the previous population
coverage of 99.45% at the end of December 2003.