Resonac : Notice Concerning Sale of Shares Held by Untraceable Shareholders

Resonac Holdings Corporation

Tokyo Shiodome Bldg., 1-9-1, Higashi-Shimbashi

Minato-ku, Tokyo 105-7325

February 13, 2026

Resonac Holdings Corporation (hereinafter "the Company") announces that, at the meeting of its Board of Directors held on February 13, 2026, it resolved to sell the shares held by untraceable shareholders in accordance with Article 197, Paragraph (1) of the Companies Act, as outlined below.

1. List of Untraceable Shareholders whose shares will be sold

   Information regarding the shareholder identification numbers, names, registered addresses, number of shares held, and other details of the shareholders whose shares will be sold will be posted via electronic public notice on February 17, 2026, in accordance with Article 198 of the Companies Act.

   Please refer to the Company's website below (Japanese only): https://www.resonac.com/jp/ir/sheet.html

   (Definition)

   "Untraceable shareholders" refers to shareholders to whom notices or demands sent to their registered address listed in the shareholder registry have not been delivered for five consecutive years or more and who have also not received dividends for five consecutive years.

2. Schedule

   February 17, 2026	Public notice and demand for objections regarding the sale of shares held by untraceable shareholders
   May 20, 2026	Deadline for filing objections from untraceable shareholders
   On or after June 23, 2026	Sale or purchase of shares held by untraceable shareholders

3. Contact information

Shareholders whose names appear in the public notice and who have inquiries concerning this matter are requested to contact the following Shareholder Register Administrator:

Note:

This document has been translated from the Japanese original for reference purposes only. In the event of any discrepancy between this translated document and the Japanese original, the original shall prevail.