Source disclosure: January 14, 2026

KDDI CORPORATION [9433.T]

TOKYO, Jan 14 (Pulse News Wire) – KDDI Corporation (9433.T) disclosed today that suspicious transactions involving its subsidiaries Biglobe Inc. and G-Plan Co., Ltd.

Have come to light. As a result, the company established a special investigation committee during its board meeting held, to investigate the matter thoroughly. The issue was identified after delays in payments from some advertising agencies raised concerns about potential overstatement of revenues. Following internal investigations, which included external auditors, the company confirmed suspicions of inappropriate activities by employees within certain parts of the advertising agency operations.

To address this, KDDI set up an internal team comprising lawyers and certified public accountants to conduct further inquiries. The newly formed special investigation committee includes renowned legal experts such as Junya Natori, former Chief Prosecutor, and certified public accountant Yasunori Sato. Their primary objectives are to clarify the facts surrounding the incident, assess its impact on consolidated financial statements, identify similar cases, analyze root causes, and propose preventive measures. Regarding the potential impact on KDDI's performance, the company stated that it would promptly inform stakeholders once more details emerge.

Additionally, KDDI and its subsidiaries will fully cooperate with the investigation process and ensure timely communication of findings upon completion.

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