Cash/in-kind dividend decision (subsidiary)

What happened

Cash/in-kind dividend decision - Report on material management matter of subsidiary Dongwon Systems 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: 300 Preferred shares: 350 - Whether differential dividend applies: Not applicable

4. Dividend yield based on market price (%) Common shares: 1.4 Preferred shares: 1.6

5. Total dividend amount (KRW): 8,789,823,450

6. Dividend record date: 2026-08-27

7. Expected dividend payment date: 2026-09-09

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): 2026-08-12 - Outside director attendance: Present (persons): 2; Absent (persons): 0 - Auditor (audit committee member who is not an outside director) attendance: Present

11. Other important matters relevant to investment decisions 1. The above "3. Preferred shares" refers to registered preferred shares. 2. The above "4. Dividend yield based on market price (%)" is the ratio of the dividend per share to the arithmetic average of the closing prices (KRW 21,808) formed on the exchange market over the one-week period ('26.08.04 to '26.08.11) preceding the trading day immediately before the board resolution date. 3. The above "7. Expected dividend payment date" refers to the dividend payment timing separately set by the board of directors pursuant to the Company's Articles of Incorporation and Article 165-12 of the Financial Investment Services and Capital Markets Act.

* Related disclosures: -

[Matters related to dividends on preferred shares] Preferred share name: Preferred shares Preferred share type: Preferred shares Dividend per share (KRW): 350 Dividend yield based on market price (%): 1.6 Total dividend amount (KRW): 92,438,850