Notice Regarding Cancellation of Treasury Shares

‌To whom it may concern

February 26, 2026 Company name: Nissan Chemical Corporation Representative: YAGI Shinsuke, President (Code number: 4021, TSE Prime Market)

This is to notify that the Company, at the Board of Directors' meeting held on February 26, 2026, has decided to cancel its own shares under Article 178 of the Companies Act.

1. Class of shares to be cancelled: Common shares of the company

2. Number of shares to be cancelled: 1,000,000 shares

   (0.74% of issued shares prior to cancellation)

3. Scheduled date of cancellation: March 12, 2026

Reference

Number of issued shares subsequent to cancellation (including treasury shares): 134,800,000 shares