Cash/in-kind dividend decision (subsidiary)

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HD Korea Shipbuilding & Offshore Engineering / Cash/in-kind dividend decision / (2026.07.28) Cash/in-kind dividend decision

Cash/In-Kind Dividend Decision Report on a material management matter of subsidiary HD Hyundai Samho Co., Ltd.

1. Dividend classification: Interim dividend 2. Dividend type: Cash dividend, Details of in-kind assets: - 3. Dividend per share (KRW): Common shares 11,000; Class shares 11,000, Whether a differential dividend: Not applicable 4. Dividend yield (%): Common shares: -; Class shares: - 5. Total dividend amount (KRW): 336,905,481,000 6. Dividend record date: 2026-08-13 7. Expected dividend payment date: 2026-08-31 8. Whether a general shareholders' meeting will be held: No 9. Expected date of the general shareholders' meeting: - 10. Board resolution date (decision date): 2026-07-28 - Outside director attendance: Present (persons): 4; Absent (persons): - - Auditor (audit committee member who is not an outside director) attendance: - 11. Other important matters relating to investment decisions - The dividend yield in Item 4 above and in [Matters relating to dividends on class shares] below is not stated because HD Hyundai Samho Co., Ltd. is an unlisted company. - The total dividend amount in Item 5 above is calculated on 30,627,771 shares, i.e., total shares outstanding of 30,671,526 shares less 43,755 treasury shares.

Disclosure regarding a material management matter of the subsidiary: - Subsidiary name: HD Hyundai Samho Co., Ltd. - Share of total assets: 12.66% - The share of total assets is based on HD Korea Shipbuilding & Offshore Engineering Co., Ltd.'s statement of financial position as of year-end 2025.

Related disclosures: 2026-07-28 Decision on closing the shareholder register (record date) for cash/in-kind dividend (subsidiary)

[Matters relating to dividends on class shares] Class share name: Convertible preferred dividend shares; Class-share category: Convertible preferred shares; Dividend per share (KRW): 11,000; Dividend yield (%): -; Total dividend amount (KRW): 51,119,211,000