Amended Securities Report – 21st Period (2025/04/01 – 2026/03/31)

Seibu Holdings Corporation Amended Securities Report – 21st Period (2025/04/01 – 2026/03/31)

This report is submitted by Seibu Holdings Corporation as its Amended Securities Report for the 21st period (from April 1, 2025 to March 31, 2026) in accordance with the Financial Instruments and Exchange Act. The company prioritizes maintaining and enhancing credibility in the capital markets and has established thorough, accurate, and timely disclosure as a fundamental management policy.

The submission of this amended report is due to the identification of errors or information requiring addition in the previously filed securities report, particularly concerning financial figures and management policies. Accordingly, this report corrects and supplements such information. The amendments cover financial statements, business conditions, management's outlook on financial position and performance, and other significant matters.

Going forward, the company will continue to strengthen corporate governance and internal control systems, ensuring reliable information disclosure to investors and all other stakeholders. Detailed information on this report can be accessed via the document filed with the Kanto Finance Bureau on EDINET.