Notice Concerning Acquisition of Own Shares and Repurchase of Own Shares Through Off-Auction Own Share Repurchase Trading System (ToSTNeT-3)

November 20, 2025 Company name: MEISEI INDUSTRIAL CO., LTD.

Name of representative: Tetsuji Yanase,

Representative Director and President (Securities code: 1976; Tokyo Stock Exchange, Prime)

Inquiries: Atsuo Tanaka,

Executive Officer,

General Manager of Finance Division (Telephone: +81-6-6447-0275)

(Acquisition of Own Shares Under the Provisions of the Articles of Incorporation Pursuant to the Provisions of Article 165, Paragraph (2) of the Companies Act and Repurchase of Own Shares Through Off-Auction

Own Share Repurchase Trading System (ToSTNeT-3))

Our Company hereby announces that it has resolved, at a meeting of the Board of Directors held today (November 20, 2025), to acquire its own shares pursuant to 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. The details are described below.

1. Reason for acquisition of own shares

   Our Company will acquire Own Shares in order to improve capital efficiency and implement a flexible capital policy in response to changes in the business environment, as well as to enhance returns to shareholders.

2. Method of acquisition

   At 8:45 a.m. on November 21, 2025, a consigned purchase order will be placed with the Tokyo Stock Exchange o ff-auction own share repurchase trading system (ToSTNeT-3) at the closing price of ¥1,614 (including final special quote) for today, November 20, 2025 (no changes to other transaction systems or transaction times will be made).

   The purchase order will apply only to the specified transaction time.

3. Details of acquisition

   1. Class of shares to be acquired Common shares of the Company

   2. Total number of shares to be acquired 1,700,000 shares (upper limit)

      (Ratio to the number of shares issued and outstanding, excluding treasury shares: 3.56%)

   3. Total amount of share acquisition costs 2,743,800,000 yen (upper limit)

   4. Announcement of results of acquisition The results of the acquisition will be announced after completion of the

transaction at 8:45 a.m. on November 21, 2025

Note 1: No change will be made to the number of shares specified above. Note, however, that part or all of the acquisition may not be carried out depending on market trends and other factors.

Note 2: The purchase will be made on the basis of sell orders corresponding to the number of shares scheduled to be acquired.

(Reference) Holding status of treasury shares as of October 31, 2025

Total number of issued shares (excluding treasury shares) 47,742,730 shares Number of treasury shares 7,374,488 shares

Note: The number of treasury shares does not include our company shares held by the stock granting trust for officers.