# EDGAR Filing Document

**Accession Number:** 0000889132
**File Stem:** 0001193125-25-184597
**Filing Date:** 2025-8
**Character Count:** 3638
**Document Hash:** fcd15ee4acc823cf0dc7538a96fc0b51
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-184597.hdr.sgml**: 20250821

**ACCESSION NUMBER**: 0001193125-25-184597

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250821

**FILED AS OF DATE**: 20250821

**DATE AS OF CHANGE**: 20250821

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** POSCO HOLDINGS INC.
- **CENTRAL INDEX KEY:** 0000889132
- **STANDARD INDUSTRIAL CLASSIFICATION:** STEEL WORKS, BLAST FURNACES  ROLLING MILLS (COKE OVENS) [3312]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 000000000
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 6-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-13368
- **FILM NUMBER:** 251238286

**BUSINESS ADDRESS:**
- **STREET 1:** POSCO CENTER
- **STREET 2:** 440 TEHERAN-RO
- **CITY:** GANGNAM-GU, SEOUL
- **STATE:** M5
- **ZIP:** 06194
- **BUSINESS PHONE:** 02-3457-0114

**MAIL ADDRESS:**
- **STREET 1:** POSCO CENTER
- **STREET 2:** 440 TEHERAN-RO
- **CITY:** GANGNAM-GU, SEOUL
- **STATE:** M5
- **ZIP:** 06194

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** POSCO
- **DATE OF NAME CHANGE:** 20020517

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** POHANG IRON & STEEL CO LTD
- **DATE OF NAME CHANGE:** 19930607

**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION** 

**Washington, D.C. 20549** 

**Form 6-K** 

**REPORT OF FOREIGN PRIVATE ISSUER** 

**PURSUANT TO RULE 13a-16 OR 15D-16** 

**UNDER THE SECURITIES EXCHANGE ACT OF 1934** 

**For the month of August, 2025** 

**Commission File Number: 1-13368** 

## POSCO HOLDINGS INC.
**(Translation of registrant's name into English)** 

**POSCO Center, 440 Teheran-ro, Gangnam-gu, Seoul, Korea, 06194** 

**(Address of principal executive offices)** 

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☒ Form 40-F ☐

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**<u>Response to Rumors or Media Reports : Undetermined</u>** 

This announcement is a follow-up to the one released on April 22, 2025.

1. Contents of rumors or media reports

POSCO Invests in Hyundai Motor's US Steel Mills: Boosting Synergy in the EV Supply Chain

2. Channel of rumors or media reports

The Financial News

3. Distributed date of rumors or media reports

April 22, 2025

4. Company's explanation for rumors or media reports

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• This disclosure is an official notice of "POSCO Invests in Hyundai Motor's US Steel Mills: Boosting
Synergy in the EV Supply Chain" reported by The Financial News on April 22, 2025.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• The company is in discussions regarding the shareholding ratio and investment scale for participating in the
construction of an electric arc furnace steel mill in Louisiana, USA, to ensure sustainable growth and secure global competitiveness, but the details have not been finalized yet.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• In this regard, we will re-disclose it when specific matters are decided
in the future or within six months.

5. Re-disclosure date

February 20, 2026

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

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| | | |
|:---|:---|:---|
|  | <u>POSCO HOLDINGS INC.</u> | <u>POSCO HOLDINGS INC.</u> |
|  | (Registrant) | (Registrant) |
| Date: August 21, 2025 | By | /s/ Han, Young-Ah |
|  |  | (Signature) |
|  |  | Name: Han, Young-Ah |
|  |  | Title: Senior Vice President |

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