Nippon Shokubai Co., Ltd.TSE: 4114

Notice Regarding the Status of Purchase of Treasury Stock (Purchase of Treasury Stock under the provisions of the Articles of Incorporation pursuant to Article 165, Paragraph 2, of the Companies Act)

· Issued by Nippon Shokubai Co., Ltd.

September 3, 2025

For Immediate Release

Company:

NIPPON SHOKUBAI CO., LTD.

Representative:

Kazuhiro Noda, Representative Director, President

(Code number: 4114, Prime Market,

Tokyo Stock Exchange)

Contacts:

Hiroaki Sakai, General Manager of Legal Affairs Dept.

(Tel: +81-6-6223-9111)

Notice Regarding the Status of Purchase of Treasury Stock (Purchase of Treasury Stock under the provisions of the Articles of Incorporation pursuant to Article 165, Paragraph 2, of the Companies Act)

NIPPON SHOKUBAI CO., LTD. (the "Company") hereby announces the status of purchase of treasury stock resolved at the Board of Directors held on July 30, 2025 in accordance with the provisions of Article 156 of the Companies Act, as applied by replacing the relevant terms pursuant to the provisions of Article 165, paragraph 3 of the same Act.

(1)

Class of purchased shares

Common stock of the Company

(2)

Total number of purchased shares

1,361,900 shares

(3)

Total amount of purchase costs

2,460,884,800 yen

(4)

Purchase period

From August 8, 2025 to August 31, 2025

(5)

Purchase method

Market purchases through the Tokyo Stock Exchange (Discretionary trade by a securities company)

(Reference)

  1. Details of the resolution at the Board of Directors held on July 30, 2025

    (1)

    Class of shares to be purchased

    Common stock of the Company

    (2)

    Total number of shares to be purchased

    Up to 5,000,000 shares

    (3.3 % of total number of issued shares (excluding treasury stock))

    (3)

    Total amount of purchase costs

    Up to 7 billion yen

    (4)

    Purchase period

    From August 8, 2025 to February 27, 2026

    (5)

    Purchase method

    Market purchases through the Tokyo Stock Exchange (Discretionary trade by a securities company)

  2. Total number of purchased shares of treasury stock pursuant to the above-noted resolution as of August 31, 2025

Total number of purchased shares

1,361,900 shares

Total amount of purchase costs

2,460,884,800 yen

Company analysis