【Japan Post Bank】Related Parties and Principal Shareholders｜June 19, 2026

Business Performance Overview

Japan Post Bank holds 49.88% of voting rights in Japan Post Group and operates as the group's only bank. As of the end of March 2026, the company discloses detailed information about its human and capital relationships with the parent company, Japan Post, as well as transaction details, maintaining employee secondments and branch networks through agents. The number of branches totals 23,306, relying heavily on sales activities leveraging the postal network. Contracts related to transactions with the parent company and group management are clearly disclosed, ensuring appropriate transaction management.

Future Outlook and Impact on Shareholders

As a member of Japan Post Group, the Bank adheres to group management contracts while conducting autonomous management. Although the voting rights ratio is less than 50%, it is deemed to have de facto control due to its actual influence, which may affect management through changes in shareholder structure or transaction conditions. The company has established proper management of intra-group transactions and a supervisory system to protect minority shareholders, maintaining a stable management base.