Cash/in-kind dividend decision (subsidiary)

What happened

Cash/In-Kind Dividend Decision - Report on Material Management Matter of Subsidiary SK Chemicals Co., Ltd. 1. Dividend classification: Interim dividend 2. Dividend type: Cash dividend (details of in-kind assets: -) 3. Dividend per share (KRW): common shares 400; class shares 400 (no differential dividend) 4. Dividend yield (%): common shares 1.0; class shares 1.9 5. Total dividend amount (KRW): 7,751,968,000 6. Dividend record date: 2026-08-07 7. Expected dividend payment date: - 8. Whether a shareholders' meeting will be held: Not held 9. Expected shareholders' meeting date: - 10. Board resolution (decision) date: 2026-07-23 - outside directors present: 4, absent: 0; audit committee member who is not an outside director, present: - 11. Other important matters for investment judgment: - Item 4 ("dividend yield") is the per-share dividend as a percentage of the arithmetic mean of final market prices over the 1 week preceding the trading day before the interim-dividend decision. - Item 5 ("total dividend amount") excludes the company's own treasury shares. - Item 7 ("expected dividend payment date") will be within one month of the board resolution, per Commercial Act Article 464-2. Related disclosures: - [Dividend Details for Class Shares]: Class-share name: SK Chemicals preferred shares; classification: preferred shares; dividend per share (KRW): 400; dividend yield (%): 1.9; total dividend amount (KRW): 844,425,200.