LISTING PROSPECTUS / SHAREHOLDERS' CIRCULARS

THE REPUBLIC OF KOREA

Supplement Document 05 Feb 2026

(I) US$1,000,000,000 3.625% NOTES DUE 2029; (II) US$2,000,000,000 3.875% NOTES DUE 2031

Description:

(I) US$1,000,000,000 3.625% NOTES DUE 2029; (II) US$2,000,000,000 3.875% NOTES DUE 2031