Treasury share acquisition: results report

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Treasury share acquisition: results report 6.0, UTI Co., Ltd.

Treasury share acquisition: results report To the Governor of the Financial Supervisory Service August 7, 2026 Company name: UTI Co., Ltd. Representative Director: Park Deok-young Head office address: 50-16 Eungbong-ro, Eungbong-myeon, Yesan-gun, Chungcheongnam-do (Tel) 041-333-4352 (Website) http://www.utikorea.com Preparer in charge: (Title) Executive Director (Name) Im Myeong-il (Tel) 041-333-4352

1. Name and address of the issuer (a) Name: UTI Co., Ltd. (b) Address: 50-16 Eungbong-ro, Eungbong-myeon, Yesan-gun, Chungcheongnam-do

2. Matters concerning the acquisition report (a) Material event report filing date: Initial filing August 7, 2026; Amendment filing August 6, 2026 (b) Acquisition period: From August 7, 2026 to August 7, 2026 (Note: the above acquisition period is based on the share-delivery date)

3. Details of acquisition (Unit: KRW, shares) Date: August 7, 2026; Type: Common shares; Ordered quantity: 0; Acquired quantity: 700,000; Acquisition price per share: 0; Total acquisition amount: 0; Brokerage securities company: -; Financial investment business entity ID: - Total: Acquired quantity 0; -; Acquisition price per share 700,000 [as stated in the filing]; Total acquisition amount 0; -; - - This treasury share acquisition is a case in which the company received a gratuitous gift of 700,000 common shares from its largest shareholder. Accordingly, there is no "acquisition price per share" or "total acquisition amount" as described above.

4. Whether the planned acquisition matches the actual acquisition Planned acquisition amount (KRW); Total acquisition amount (KRW); Whether the planned acquisition amount was not met; Reason if not met: Common shares -/-/-/-; Other shares -/-/-/- - This treasury share acquisition is a case in which the company received a gratuitous gift of 700,000 common shares of UTI Co., Ltd. from its largest shareholder. Accordingly, there is no "planned acquisition amount (KRW)" or "total acquisition amount (KRW)" as described above.

5. Treasury share holding status after acquisition [As of August 7, 2026] (Unit: KRW, shares, %) Holding under Article 165-3 of the Act (A): Common shares 910,101 shares, 4.60%, total value - Holding under trust contracts under Article 165-3 of the Act (B): Common shares -, -, - Total (A+B): Common shares 910,101 shares, 4.60%, amount 0

Note 1) The above "ratio" is the ratio of treasury shares to the total issued shares of 19,790,412 shares as of August 7, 2026. Note 2) The above holding quantity is the sum of 210,101 shares currently deposited with the Korea Securities Depository as the underlying shares of the company's 4th unregistered, unsecured, privately placed exchangeable bonds issued on October 2, 2025, and the 700,000 shares acquired in this gratuitous gift. The 700,000 shares acquired through this gratuitous gift have no separate acquisition price, as they were acquired through a gift; for details of the 210,101 treasury shares, please refer to the "Treasury Share Disposal Results Report" filed by the company on October 2, 2025.

6. Changes in the largest shareholder's shareholding before and after the acquisition [As of August 7, 2026] (Unit: shares) Name: Park Deok-young; Type of shares: Common shares; Shares held as of acquisition report date: 3,329,760; Shares held as of acquisition end date: 2,629,760; Reason for change: Gratuitous gift Total: Common shares 3,329,760/2,629,760, Gratuitous gift; Other shares -/-/-; Grand total 3,329,760/2,629,760, Gratuitous gift

Note: The shares held as of the "acquisition report date" above are the shares held before the transfer of shares resulting from this gratuitous gift.