#ImproperTransaction

Following the investigation results related to improper transactions by a consolidated subsidiary, amendments were made to past years' securities reports and financial summaries. This resulted in a reduction impact of up to approximately 5.9% on net sales and operating income.

Implemented prior period financial corrections due to improper transactions by consolidated subsidiaries. Revised performance figures through fiscal year ending March 2026, and received the report from the special investigation committee.

KDDI Corporation announced that suspected improper transactions were discovered in the advertising agency businesses of its consolidated subsidiaries Biglobe Inc. and G-Plan Co., Ltd., and that a special investigation committee has been established.