To Whom It May Concern,
May 12, 2026
Name of company: Nippon Kayaku Co., Ltd.
Name of representative: Shigeyuki Kawamura, President Code No.: 4272
Tokyo Stock Exchange, Prime Market
Contact: Tsutomu Kawamura, Senior Director General Manager of
Finance & Accounting Division (Tel: +81-3-6731-5842)
Notice regarding Cancellation of Treasury Stock
(Cancellation of Treasury Stock pursuant to the provisions of Article 178 of the Companies Act)
The Company announces its decision at the Board of Directors meeting held on May 12, 2026, to cancel its shares pursuant to the provisions of Article 178 of the Companies Act.
Reason for cancellation
The Company resolved at the Board of Directors meeting held on March 28, 2025, to acquire treasury stock and cancel all of the acquired treasury stock. However, the scheduled date of cancellation was undecided.
Based on our policy, stated in " Measures for Delivering Management with an Awareness of the Cost of Capital and Stock Prices" announced on March 28, 2025, that treasury stock exceeding 0.5% of outstanding shares will be promptly canceled, we resolved the number of shares to be canceled and the scheduled date of cancellation at today's Board of Directors meeting.
Type of shares to be cancelled: Common shares of the Company
Total number of shares to be cancelled: 11,300,000 shares (7.06% of total shares issued)
Scheduled date of cancellation: May 22, 2026
(Reference)
Total number of shares outstanding after cancellation: 148,700,000 shares
Treasury stock after cancellation:197,116 shares
* The number of shares in 1 and 2 above is calculated based on the total number of shares outstanding and the number of treasury stock as of March 31, 2026.
Cumulative number of shares to be acquired based on decision at the Board of Directors meeting held on March 28, 2025
Total number of shares to be acquired: 11,224,800 shares
Total value of shares to be acquired: 16,204,610,800 yen