Notice Regarding Completion of Share Transfer Procedures for Panasonic Housing Solutions Co., Ltd.

YKK Corporation (hereinafter, YKK) and Panasonic Holdings Corporation (hereinafter, PHD) announce that the share transfer agreement for Panasonic Housing Solutions Co., Ltd. (hereinafter, PHS), concluded on November 17, 2025, has completed its prescribed procedures (closing) as of today, March 31, 2026. With the completion of these procedures, YKK Investment Co., Ltd., a newly established intermediate holding company by YKK, has acquired 80% of the PHS shares held by PHD. PHD will continue to hold the remaining 20% of the shares, and PHS will become an equity method affiliate of PHD. PHS will continue to use the Panasonic brand and its company name.

Going forward, by combining the high technological capabilities and broad product range in the building materials business of YKK AP Inc., a YKK Group company, with PHS's strengths in the manufacturing, sales, and engineering of housing equipment and building materials, we will create overwhelming synergy and, as a leading company driving the future of the building materials and housing equipment industry, create new value.

【Overview of YKK Investment Co., Ltd.】 Company Name: YKK Investment Co., Ltd. Location: 1 Kanda Izumi-cho, Chiyoda-ku, Tokyo Representative: Satoshi Honda, Representative Director (concurrently serving as Director of both YKK Corporation and YKK AP Inc.) Capital: 10,000 thousand yen Established: December 2025 Shareholder Composition: YKK Corporation 100%

【Overview of Panasonic Housing Solutions Co., Ltd.】 Company Name: Panasonic Housing Solutions Co., Ltd. Location: 1048 Kadoma, Kadoma City, Osaka Prefecture Representative: Masashi Yamada, Representative Director, President and CEO Business Activities: Development, manufacturing, installation, and sales of housing equipment and building materials such as kitchens, toilets, bathrooms, washbasins, interior building materials, interior doors, storage, flooring, delivery boxes, gutters, resin sashes, exterior walls, roofs, elevators, and structural materials. Shareholder Composition: YKK Investment Co., Ltd. 80%, Panasonic Holdings Corporation 20%