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

YKK Corporation (hereinafter, YKK) and Panasonic Holdings Corporation (hereinafter, PHD) announced today, March 31, 2026, the completion of the prescribed procedures (closing) for the stock transfer agreement of Panasonic Housing Solutions Co., Ltd. (hereinafter, PHS), which was concluded on November 17, 2025.

Following the completion of these procedures, YKK Investment Co., Ltd., a newly established intermediate holding company by YKK, 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 the PHS company name.

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

[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 Director of 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 Oaza Kadoma, Kadoma City, Osaka Prefecture Representative: Shoji Yamada, Representative Director and President Executive Officer Business Activities: Development, manufacturing, construction, and sales of housing equipment and building materials such as kitchens, toilets, bathrooms, washbasins, interior building materials, interior doors, storage, flooring, parcel delivery boxes, rain gutters, resin sashes, exterior walls, roofs, elevators, and structural materials. Shareholder Composition: YKK Investment Co., Ltd. 80%, Panasonic Holdings Corporation 20%