| 1. Dividend category | Quarterly dividend | |||||||
| 2. Record date | May 27, 2026 | |||||||
| 3. Purpose of setting record date | To determine shareholders entitled to receive the quarterly dividend | |||||||
| 4. Date of resolution by the BoD | May 12, 2026 | |||||||
| -Attendance of outside directors | Present (No.) | 7 | ||||||
| Absent (No.) | 0 | |||||||
| 5. Additional details relevant to investment consideration | ||||||||
– This is a decision to set the record date for determining shareholders entitled to receive dividends in accordance with Article 49-2(Quarterly Dividends) of the Company’s Articles of Incorporation. –Shareholders of record will be determined based solely on the record date without closing the shareholders' register. –The Company’s Audit Committee is composed entirely of outside directors. | ||||||||
| Dated: May 12, 2026 | ||||||||
| KT Corporation | ||||||||
| By: | /s/ Sun Wook Kim | |||||||
| Name: Sun Wook Kim | ||||||||
| Title: IRO | ||||||||
| By: | /s/ Sanghyun Cho | |||||||
| Name: Sanghyun Cho | ||||||||
| Title: IR Team Leader | ||||||||