SoftBank Corp.

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Key Operational Data

Mobile Communications segment

Operational data of SoftBank Mobile, the core company of the Mobile Communications segment.

Number of subscribers, net additions

ARPU*1

Churn rate*2

Upgrade rate*3

Average acquisition cost per subscriber*4

Upgrade cost per subscriber*5

Number of handsets shipped*6

Number of units sold*7

[Notes]
  • *1ARPU (Average Revenue Per User per month)(rounded to the nearest 10 yen)
    ARPU = (voice-related revenue + data-related revenue) / number of active subscribers = voice ARPU + data ARPU
    Voice ARPU = voice-related revenue (such as voice call charges, basic monthly charges, revenues from incoming calls)
    / number of active subscribers
    Data ARPU = data-related revenue (such as packet communication charges) / number of active subscribers
    Number of active subscribers: total of monthly numbers of active subscribers for the relevant period ((subscribers at the beginning of the month + subscribers at the end of the month) /2).
    Number of active subscribers is based on SoftBank Mobile Corp.'s cumulative subscribers including prepaid mobile phones, communication modules, and devices that do not have voice communication functionalities.
    Revenues from incoming calls: access charges received from other operators for voice calls from their customers on their network to SoftBank mobile phones as a charge for the services provided in the SoftBank Mobile Corp. service area.
  • *2Churn rate in Mobile Communications = churn / number of active subscribers (rounded off to the nearest 0.01%)
    Churn = total number of subscribers that churned during the relevant period
    Number of active subscribers: total of monthly numbers of active subscribers for the relevant period ((subscribers at the beginning of the month + subscribers at the end of the month) /2). Number of active subscribers is based on SoftBank Mobile Corp.'s cumulative subscribers including prepaid mobile phones, communication modules and devices that do not have voice communication functionalities.
  • *3Upgrade rate in Mobile Communications = number of upgrades / number of active subscribers (rounded off to the nearest 0.01%)
    Number of upgrades = total number of upgrades during the relevant period
    Number of active subscribers: total of monthly numbers of active subscribers for the relevant period ((subscribers at the beginning of the month + subscribers at the end of the month) /2). Number of active subscribers is based on SoftBank Mobile Corp.'s cumulative subscribers including prepaid mobile phones, communication modules and devices that do not have voice communication functionalities.
  • *4Average commission paid to sales agents per new subscription.
    New subscriptions include prepaid mobile phones and communication modules.
  • *5Average commission paid to sales agents per handset upgrade.
    Upgrades include communication modules.
  • *6Handsets shipped: handsets shipped (sold) to agents.
  • *7Units sold: total of new subscription and handset upgrades.

Broadband Infrastructure segment

Operational data of SoftBank BB, the core company of the Broadband Infrastructure segment.

Number of Yahoo! BB cumulative subscribers*8

Number of Yahoo! BB ADSL installed lines


Number of Yahoo! BB hikari with FLET'S cumulative contracts*9

Yahoo! BB ADSL ARPU*10


Yahoo! BB hikari with FLET'S ARPU*10

[Notes]
  • *8Total of the cumulative number of Yahoo! BB ADSL subscribers and the cumulative number of Yahoo! BB hikari with FLET'S subscribers.
  • *9Number of users for which connection construction for FLET'S HIKARI line at central office of NTT East or NTT West is complete and who are provided with services.
  • *10Average Revenue Per User: average revenue per contract (rounded to the nearest 10 yen)

Fixed-line Telecommunications segment

Operational data of SoftBank Telecom, the core company of the Fixed-line Telecommunications segment.

Number of OTOKU Line lines

ARPU for OTOKU Line*11

Number of corporate OTOKU Line lines

Number of corporate MYLINE lines

[Notes]
  • *11Average Revenue Per User: average revenue per contract (rounded to the nearest 10 yen)
  • *“Fiscal 2011” refers to the fiscal year ended March 31, 2012, and other fiscal years are referred to in a corresponding manner.