Notice Regarding the Transfer of Our Stationery Overseas Business (Vietnam/Taiwan) to Astrum Co., Ltd.

Plus Corporation (Minato-ku, Tokyo; President and CEO: Tadahisa Imaizumi) today announces that it will transfer part of its stationery overseas manufacturing and sales business to its consolidated subsidiary, Astrum Co., Ltd. (Chuo-ku, Tokyo; President and CEO: Junichi Ishigaki; hereinafter referred to as "Astrum") via an absorption-type split. Astrum will issue new shares to Plus Corporation as consideration.

This transfer is being carried out as part of the phased integration of the Plus Group's stationery business through 2028, as announced by Plus Corporation and Astrum on March 17, 2026.

As a result of this transfer, two of Plus Corporation's overseas consolidated subsidiaries in Vietnam and Taiwan will become consolidated subsidiaries of Astrum, and the business will be developed under a new structure going forward.

Furthermore, the assets to be transferred to Astrum through this absorption-type split are the entirety of the shares held by Plus Corporation in its overseas subsidiaries, PLUS VIETNAM INDUSTRIAL CO.,LTD. and Taiwan Plus Corporation Limited. As a result of this transaction, both companies will become wholly-owned subsidiaries of Astrum.

There are no plans to change the company names of these two entities in connection with this transfer.

*Company name changed from Pentel Co., Ltd. on April 1, 2026.

1. Overview of Companies to be Transferred to Astrum

Company Name: PLUS VIETNAM INDUSTRIAL CO., LTD.

Location: Ho Chi Minh City (Vietnam)

Established: 1995

Official Website: https://www.plusvietnam.com.vn/ja/

Business Activities: Manufacturing of stationery and office supplies, and sales in Vietnam.

Company Name: Taiwan Plus Corporation Limited

Location: Taipei (Taiwan)

Established: 1985

Official Website: https://www.taiwan-plus.com.tw/

Business Activities: Sales of stationery and office supplies in Taiwan.

2. Effective Date:

July 1, 2026

<Regarding the Integration of the Plus Group's Stationery Business>

Plus Corporation's Stationery Company, which handles the Plus Group's stationery business, Astrum Co., Ltd., Nippon Note Co., Ltd., and their respective affiliated companies will proceed with phased integration through 2028 to strongly promote their transformation into a world-leading comprehensive stationery manufacturer. Sailor Pen Co., Ltd., also a group company, is scheduled to maintain its operations as a listed company and an independent corporate entity.