Treasury share disposal: results report

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Treasury Share Disposal Results Report 6.2

Koh Young Technology Co., Ltd. Treasury Share Disposal Results Report

To the Governor of the Financial Supervisory Service August 18, 2026

Company name: Koh Young Technology Co., Ltd. CEO: Ko Kwang-il Head office address: 18, Poeun-daero 59beon-gil, Suji-gu, Yongin-si, Gyeonggi-do (Sanghyeon-dong) (Phone) 031-5181-8000 (Website) http://www.kohyoung.com Preparer: (Title) Head of Strategic Planning Division; (Name) Park Hyeon-su; (Phone) 031-5181-8000

1. Name and address of the issuer (a) Name: Koh Young Technology Co., Ltd. (b) Address: 18, Poeun-daero 59beon-gil, Suji-gu, Yongin-si, Gyeonggi-do (Sanghyeon-dong)

2. Details of the disposal report (a) Date of material event report submission: (not stated) (b) Disposal period: From May 14, 2026 to August 13, 2026 (c) Type and number of shares reported for disposal: 450,542 common shares

3. Disposal details (Unit: KRW, shares) Date: -; Type: Common shares; Ordered quantity: -; Disposed quantity: -; Disposal price per share: -; Total disposal amount: -; Brokerage firm handling the sale: Korea Investment & Securities; Financial investment business entity ID: 00160144 Total: - (no shares disposed)

Note 1) The Company established a treasury share disposal plan for 450,542 treasury shares, for the business purpose of using treasury shares under Article 341-4(2)(5) of the Commercial Act, with the purpose of securing financing for facility investment needed to adopt new technologies and expand new businesses. This plan included a minimum disposal price condition to protect shareholder value, and was disclosed to shareholders in advance through the notice convening the 24th Annual General Meeting on March 12, 2026, and was approved at the Annual General Meeting held on March 27, 2026. The board of directors subsequently resolved the treasury share disposal on May 13, 2026, pursuant to the approved disposal plan.

Note 2) To prevent erosion of value for existing shareholders due to disposal at a discount to the market price, the Company set the minimum disposal price at 115% or more of the volume-weighted average price (VWAP) for the preceding 3 months as of the actual disposal time. This price condition was a shareholder-value-protection condition included from the time the treasury share disposal plan was established, and was approved together at the 24th Annual General Meeting.

Category: Target share quantity; Method of use; Main purpose; Timing Enhancement of shareholder value: 450,542 shares (*1); Retirement; Reduction of shares outstanding and enhancement of shareholder value; Retirement completed on 2026-05-22 Disposal to achieve business purposes (monetization): 450,542 shares; Disposal; Facility investment for adoption of new technologies and expansion of new businesses; During 2026

(*1) The 450,542 treasury shares subject to retirement above were fully retired on May 22, 2026, pursuant to the treasury share utilization plan approved at the Annual General Meeting.

Shares to be disposed: 450,542 shares; Minimum disposal price: 115/100 of the volume-weighted average price (VWAP) for the preceding 3 months immediately before disposal, as the floor; Timing of disposal: During 2026

Note 3) Pursuant to the treasury share disposal plan approved at the 24th Annual General Meeting, the Company pursued the disposal of treasury shares from May 14, 2026 to August 13, 2026, following the board resolution of May 13, 2026. However, because the Company's share price during the disposal period did not meet the minimum disposal price condition under the approved treasury share disposal plan, the Company did not dispose of any treasury shares in order to protect shareholder value and comply with the approved disposal conditions, and the final disposed quantity is none.

Type: Disposal period (2026-05-14 to 2026-08-13) Average closing price: KRW 31,177 Average minimum disposal price: KRW 42,079

The Company previously announced, in its "Material Event Report (Decision on Treasury Share Disposal)" disclosed on May 13, 2026, that this disposal would proceed within the scope of the treasury share disposal plan approved at the 24th Annual General Meeting, and that if the full planned quantity could not be disposed of due to share price fluctuations, etc., the undisposed treasury shares would be re-disposed through a future board resolution. For further details, please refer to the "Material Event Report (Decision on Treasury Share Disposal)" disclosed on May 13, 2026, the "Results of the Annual General Meeting" disclosed on March 27, 2026, and the "Notice Convening the Annual General Meeting" disclosed on March 12, 2026.

Note 4) Meanwhile, under the treasury share disposal plan approved at the 24th Annual General Meeting, the disposal timing is during 2026, and the 450,542 treasury shares not disposed of within the current planned disposal period will be re-pursued for disposal through a future board resolution, following applicable laws and necessary procedures, taking into account market conditions and other factors. The specific disposal timing and method will be determined through a future board resolution and related procedures.

4. Whether the disposal report details match the actual disposal Planned disposal shares (common, shares): 450,542; Planned disposal shares (other, shares): -; Actual total disposed shares (common, shares): -; Actual total disposed shares (other, shares): -; Match: Mismatch; Reason for difference: The Company established a treasury share disposal plan for the business purpose of using treasury shares under Article 341-4(2)(5) of the Commercial Act and obtained approval at the 24th Annual General Meeting. This plan included a minimum disposal price condition to prevent erosion of value for existing shareholders from disposal at a discount to the market price. Subsequently, because the Company's share price during the disposal period (2026-05-14 to 2026-08-13) did not meet this minimum disposal price condition, the Company did not dispose of any treasury shares in order to protect shareholder value and comply with the approved disposal conditions; accordingly, the actual disposed quantity is 0 shares against the planned 450,542 shares. Please refer to "3. Disposal Details" above for details.

5. Treasury share holding status after disposal [As of August 18, 2026] (Unit: KRW million, shares, %) Common shares - Holdings under Article 165-3 of the Act (A): Quantity 2,042,463; Ratio 2.99%; Total value KRW 28,994 million Common shares - Holdings under trust contracts etc. under Article 165-3 of the Act (B): Quantity -; Ratio -; Contract amount - Common shares - Total (A+B): Quantity 2,042,463; Ratio 2.99%; Amount KRW 28,994 million Total - (A): Quantity 2,042,463; Ratio 2.99%; Total value KRW 28,994 million Total - (B): Quantity -; Ratio -; Contract amount - Total - (A+B): Quantity 2,042,463; Ratio 2.99%; Amount KRW 28,994 million