[Amended] Cash/in-kind dividend decision (subsidiary)

What happened

Amendment report

Amendment date: 2026-08-12

1. Disclosure document subject to amendment Cash/in-kind dividend decision

2. Date of filing of the disclosure document subject to amendment 2026-07-15

3. Reason for amendment Change in total dividend amount due to new shares arising from stock option exercise becoming eligible for the dividend

4. Amended items Amended item: Before amendment / After amendment 5. Total dividend amount (KRW): 18,044,092,000 / 18,068,092,000

Cash/in-kind dividend decision - Report on material management matter of subsidiary SK Gas Co., Ltd.

1. Type of dividend Interim dividend

2. Type of dividend Cash dividend - Details of in-kind assets: -

3. Dividend per share (KRW) Common shares: 2,000 Preferred shares: - - Whether differential dividend applies: Not applicable

4. Dividend yield based on market price (%) Common shares: 0.9 Preferred shares: -

5. Total dividend amount (KRW): 18,068,092,000

6. Dividend record date: 2026-07-31

7. Expected dividend payment date: 2026-08-14

8. Whether a general meeting of shareholders will be held: Not held

9. Expected date of general meeting of shareholders: -

10. Board resolution date (decision date): 2026-07-15 - Outside director attendance: Present (persons): 4; Absent (persons): - - Auditor (audit committee member who is not an outside director) attendance: -

11. Other important matters relevant to investment decisions 1) This disclosure concerns the interim dividend resolved by the board of directors of SK Gas Co., Ltd. on July 15, 2026. 2) The above "4. Dividend yield based on market price (%)" is the percentage of the dividend per share relative to the arithmetic average of the closing prices formed on the exchange market over the one-week period preceding the trading day immediately before the interim dividend decision date. 3) The above "5. Total dividend amount (KRW)" is calculated excluding treasury shares. 4) The above "7. Expected dividend payment date" is scheduled to be paid within one month from the board resolution date, pursuant to Article 464-2 of the Commercial Act.

* Related disclosures: -