| 1. Estimated number of shares to be canceled | 4,215,851 common shares | |||||||
| 2. Total number of outstanding shares | 252,021,685 | |||||||
| 3. Par value per share (KRW) | 5,000 | |||||||
| 4. Estimated total amount of cancellation (KRW) | 250,000,000,000 | |||||||
| 5. Buyback period for the cancellation | From March 10, 2026 to September 9, 2026 | |||||||
| 6. Method of buyback | Trust contract to acquire treasury shares | |||||||
| 7. Expected date of cancellation | - | |||||||
| 8. Agent for treasury share acquisition | NH INVESTMENT & SECURITIES CO.,LTD | |||||||
| 9. Date of resolution by the BoD | February 10, 2026 | |||||||
| -Attendance of outside directors | Present (No.) | 7 | ||||||
| Absent (No.) | 0 | |||||||
| 10. Additional Details Relevant to Investment Consideration | ||||||||
–Legal basis of cancellation of treasury shares: Article 343 Paragraph 1 of the Commercial Act –This share cancellation is to enhance corporate value by acquiring and canceling treasury shares within the limit of earnings available for dividends, in accordance with the 'Corporate Value-Up Plan' announced on November 11, 2025. –Item 1 above is calculated based on the closing price (KRW 59,300) of the Company’s shares on February 9, 2026, which is the day before the resolution by the Board of Directors. The number of shares to be canceled and the cancellation amount may change pursuant to changes in the Company’s share price. –Item 4 above is based on the amount of cancellation specified under the resolution of the Board of Directors passed on the current day. –Details on Item 6 above are included in today’s filing of ‘Decision to Enter into a Trust Contract to Acquire Treasury Shares’. –Regarding Item 7, all treasury shares acquired will be canceled after the termination of the trust contract. However, if the foreign ownership limit (49%) under Article 8 of the Telecommunications Business Act is exhausted at that time, the shares acquired through this resolution will be canceled at the earliest possible time. | ||||||||
| Dated: February 10, 2026 | ||||||||
| KT Corporation | ||||||||
| By: | /s/ Jaegil Choi | |||||||
| Name: Jaegil Choi | ||||||||
| Title: IRO | ||||||||
| By: | /s/ Okdong Yoo | |||||||
| Name: Okdong Yoo | ||||||||
| Title: IR Team Leader | ||||||||