KDDI Corporation

February 21, 2008

KDDI is pleased to announce the 'Welcome Campaign for Corporate Customers', which offers a special discount basic rate of 980 yen per month (inc. tax), along with 1,050 yen's worth of free calls until May 2010, for business subscribers who newly subscribe to au mobile phone between March 1 and May 31,2008. To receive this special discount, new corporate customers need to purchase an au handset using the 'Simple Course' option, and also choose 'Plan SS' with the 'Business Discount' and 'Everybody Discount.'

Also, through an amendment to the terms of use for 'Business Discount,' from March 1, business customers can enjoy 24-hour free domestic calls to employees who subscribe to the same group of 'Business Discount', by combining the 'Business Discount' with 'Everybody Discount.'

In addition, customers who sign up for the 'Welcome Campaign for Corporate Customers' by the end of March will pay no basic rate for three months, as they are eligible for a basic rate discount of 3,150yen (inc. tax) available in the current 'Spring Campaign.' [1]

• [1] The 'Spring Campaign' gives a 3,150yen (inc. tax) discount on the basic rate for customers who sign up for 'Family Discount' or 'Business Discount' with a new au handset subscription. 'Spring Campaign' runs from February 1 to March 31.