<p>Serious Industrial Accident Reported at POSCO E&amp;C, Subsidiary of POSCO Holdings Inc. Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. POSCO Holdings Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001193125-25-325602), on December 19, 2025, and is solely responsible for the information contained therein. © Copyright 2025 - Public Technologies (PUBT) Original Document: here</p>

<p>A worker was killed in a tunnel accident at a POSCO E&C site, a subsidiary of POSCO Holdings Inc. This serious industrial accident was reported by Public Technologies (PUBT) using AI-generated content. The original content was published by POSCO Holdings Inc. via the EDGAR system on December 19, 2025.</p>

Worker Killed in Tunnel Accident at POSCO E&C Site