POSCO, Internal and External Director Candidate Recommendations

New Outside Director Candidates: Professor Son Seong-gyu of Yonsei University Business School, Former LG Chem President Yoo Jin-nyeong

New Inside Director Candidates Recommended: Vice President Yoo Byung-ok, President Jeon Jung-seon, Vice President Jeong Chang-hwa Re-nominated

Vice Chairman Kim Hak-dong Recommended as Non-Executive Director of Holding Company

[Asia Economy Honam Reporting Headquarters, Reporter Heo Seon-sik] POSCO held a regular board meeting and approved the agenda for recommending inside and outside directors.

At the board meeting held on the 17th at the POSCO Center in Seoul, POSCO recommended Professor Son Seong-gyu of Yonsei University Business School and former LG Chem President Yoo Jin-nyeong to replace outside directors Kim Shin-bae and Jeong Moon-gi, whose terms are expiring, and re-nominated current outside director Park Hee-jae.

For inside directors, Jeon Jung-seon, head of the Management Strategy Team, and Jeong Chang-hwa, head of the Future Technology Research Institute, were re-nominated, and Yoo Byung-ok, head of the Eco-friendly Future Materials Team, was recommended as a new inside director candidate.

Outside director candidate Son Seong-gyu is currently a professor at Yonsei University Business School.

He has served as president of the Korean Accounting Association, non-standing commissioner of the Securities and Futures Commission, and chairman of the Korea Exchange Disclosure Committee. He has also held outside director positions at more than ten companies and foundations, including KB Life Insurance, demonstrating diverse experience and expertise in the field of accounting audits.

With his extensive theoretical knowledge of accounting and various corporate accounting and audit experiences, he is expected to play a constructive role in enhancing the company's financial soundness.

Outside director candidate Yoo Jin-nyeong joined LG Chem as a researcher at the Polymer Research Institute, served as CTO (Chief Technology Officer) and head of the Technology Research Institute, and is currently leading a consulting and startup education company, continuing broad activities in technology development.

As an expert in new technology development such as secondary batteries and advanced materials, he is expected to significantly contribute to the company's growth and sustainability with his broad insight into technical fields, management, and board operations.

New inside director candidate Yoo Byung-ok has served as head of POSCO's Raw Materials Division, Management Strategy Office, Purchasing and Investment Headquarters, and Industrial Gas & Hydrogen Business Division, and was appointed head of the Eco-friendly Future Materials Team this year.

Additionally, POSCO plans to recommend Vice Chairman Kim Hak-dong as a candidate for non-executive director to discuss the continuous growth and development of the steel business, aiming to further enhance synergy between the holding company and the steel business company.

Meanwhile, POSCO's board will act as the board of directors for the POSCO holding company, which will be launched in March, and the candidates recommended today are scheduled to be appointed as directors at the shareholders' meeting to be held on the 18th of next month.

The candidates recommended today are scheduled to be appointed as directors at the shareholders' meeting to be held on the 18th of next month.

Asia Economy Honam Reporting Headquarters, Reporter Heo Seon-sik hss79@asiae.co.kr

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