Cash/in-kind dividend decision (subsidiary)

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Posco Holdings / Cash/In-Kind Dividend Decision / (2026.08.18) Cash/In-Kind Dividend Decision

Cash/In-Kind Dividend Decision Report of a Major Management Matter of the Subsidiary, POSCO

1. Type of Dividend: Interim dividend 2. Kind of Dividend: Cash dividend - Details of In-Kind Assets: - 3. Dividend per Share (KRW): Common Shares: 687; Preferred/Class Shares: - - Whether a Differential Dividend: Not applicable 4. Dividend Yield (%): Common Shares: -; Preferred/Class Shares: - 5. Total Dividend Amount (KRW): 66,282,189,375 6. Dividend Record Date: 2026-06-30 7. Scheduled Dividend Payment Date: 2026-09-10 8. Whether a Shareholders' Meeting Will Be Held: Not to be held 9. Scheduled Date of Shareholders' Meeting: - 10. Board Resolution Date (Decision Date): 2026-08-18 - Outside Directors' Attendance: Attended (persons): 2; Did Not Attend (persons): - - Attendance of Auditor (Audit Committee Member Who Is Not an Outside Director): Attended

11. Other Important Matters for Investment Reference - The dividend yield under item 4 above is not calculated because POSCO Co., Ltd. is an unlisted company. - The scheduled dividend payment date under item 7 above is expected to be paid within one month from the Board resolution date, pursuant to Article 464-2 of the Commercial Act. - POSCO is a subsidiary wholly funded by Posco Holdings, and the dividend will be received in full by Posco Holdings.

* Disclosure Concerning the Subsidiary's Major Management Matter - Subsidiary Name: POSCO - Share of Total Assets: 57.7% (as of the end of 2025)

* Related Disclosures: -