Securities Report – 91st Fiscal Period (April 1, 2025 – March 31, 2026)

YKK Corporation Securities Report – 91st Fiscal Period (April 1, 2025 – March 31, 2026)

This report is a statutory disclosure document submitted by YKK Corporation under the Financial Instruments and Exchange Act. It provides detailed information on the company's business performance, financial position, management policies, future outlook, and risk factors for the 91st fiscal period (April 1, 2025 to March 31, 2026).

YKK Corporation is a global integrated manufacturer engaged in the design, production, and sale of products such as zippers, architectural hardware, and metal components. Since its founding, the company has consistently pursued technological innovation and quality excellence under its philosophy of 'Contributing to society with the power of materials.'

This report aims to accurately and promptly communicate the company's management activities to investors and a wide range of stakeholders. YKK will continue to uphold transparent information disclosure and strive for sustainable enhancement of corporate value.