POSCO Holdings (NYSE: PKX) reviews possible HMM acquisition after reports

Rhea-AI Filing Summary

POSCO Holdings Inc. reports that POSCO Group is only in a preliminary assessment stage regarding a potential acquisition of shipping company HMM, following a Korea Economic Daily article dated September 5, 2025. The group is evaluating whether the possible transaction would create strategic synergies and fit its long-term business objectives, and states that no decision has been made about participating in any acquisition process. The response was provided to an inquiry from the Korea Exchange received at 10:11 a.m. on September 5, 2025, and the company plans to provide a further disclosure when specific matters are decided or by October 2, 2025.

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Equity analyst – corporate actions

POSCO clarifies HMM deal talk as early-stage review only.

POSCO Holdings Inc. states that POSCO Group is merely conducting a preliminary assessment of a potential HMM acquisition after a Korea Economic Daily report. The evaluation focuses on whether such a move would generate strategic synergies and align with long-term business goals, and the company emphasizes that no decision has been made on joining any acquisition process.

This keeps the situation firmly in the exploratory phase, with no announced transaction size, structure, or commitment. The company also commits to an additional disclosure when concrete decisions are made or by October 2, 2025, giving investors a clear timing reference for the next update while avoiding speculation about terms or certainty of a deal.

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Accepted by SEC EDGAR 09/05/2025 - 06:07 AM Learn about SEC filing dates

FAQ

What did POSCO Holdings Inc. (PKX) say about a potential HMM acquisition?

POSCO Holdings Inc. stated that POSCO Group is conducting a preliminary assessment of a potential acquisition of HMM to see if it would create strategic synergies and fit the group’s long-term business objectives, and that no decision has been made about participating in the acquisition.

Why did POSCO Holdings (PKX) issue this 6-K about HMM?

The company provided this disclosure in response to an inquiry from the Korea Exchange, which followed a Korea Economic Daily report on POSCO Holdings’ potential acquisition of HMM published on September 5, 2025.

Has POSCO Holdings committed to acquiring HMM?

No. POSCO Holdings explains that POSCO Group is only at a preliminary assessment stage regarding a potential HMM acquisition and that no decision has been made on whether to participate in any acquisition.

When will POSCO Holdings (PKX) provide more information about the HMM review?

The company plans to re-disclose information when specific matters related to the potential HMM acquisition are decided, or by October 2, 2025.

Which media report triggered POSCO Holdings’ clarification on HMM?

The clarification responds to a Korea Economic Daily report on POSCO Holdings’ potential acquisition of HMM that was published on September 5, 2025.

Who is responsible for the disclosure about POSCO Holdings’ potential HMM acquisition?

The disclosure lists Han, Young Ah, Senior Vice President, as the person in charge of disclosure for POSCO Holdings Inc.

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 September, 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 ☐

Response to Request for Disclosure Inquiry (Rumors or Media Reports):

Undetermined

1. Title		Response to disclosure inquiry regarding press reports on POSCO Holdings’ potential acquisition of HMM
		- Regarding the Korea Economic Daily’s report on POSCO Holdings’ potential acquisition of HMM published on September 5, 2025, POSCO Group is currently conducting a preliminary assessment to determine whether this matter may generate strategic synergies and align with the Group’s long-term business objectives. No decision has been made at this time regarding participation in the acquisition.
2. Details		- In this regard, we will re-disclose the information when specific matters are decided in the future or within one month.
		(Person in charge of disclosure) Han, Young Ah, Senior Vice President ø This disclosure is provided in response to the inquiry request from the Korea Exchange, received at 10:11 a.m. on September 5, 2025.
3. Expected date of subsequent disclosure		October 2, 2025

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.

				POSCO HOLDINGS INC. (Registrant)
Date: September 5, 2025				By		/s/ Han, Young-Ah
						(Signature)
						Name: Han, Young-Ah
						Title: Senior Vice President