January 23, 2013

Dear Investors and Analysts:

Investor Relations

Financial Office
1692-1 Seocho-dong, Seocho-gu, Seoul,
137-882, Korea
We would like to inform you that kt (KRX: 030200, NYSE:KT) will announce preliminary earnings results for the quarter ended December 31, 2012 on February 1, 2013 at 16:00 Korean Time (07:00

GMT). Consecutive English translation will be provided for your convenience. The entire session will be webcasted live on the kt website. Please note that participants are required to pre-register to receive a PIN code in order to access the Conference Call.

PIN Code

Please register at http://pin.teletogether.com/eng/to receive your PIN code. (Passcode to enter site: 1588)

Dial-in Procedure

1. Dial the number below (+82-31-810-3069)
2. Enter Passcode: 1588 + #

3. Enter issued PIN code: XXXX + #

New York London HK / Singapore Korea 1 FEB 02:00 1 FEB 07:00 1 FEB 15:00 1 FEB 16:00 Dial-in Number 82-31-810-3069 (Passcode : 1588 #) Korea 031-810-3068

Conference Call Presentation Web-casting URL

Please refer to below URL address to access conference call with earnings results presentation.
http://irsvc.teletogether.com/kt/kt2012Q4_eng.php

The Conference Call material will be posted on kt's website (http://www.kt.com/eng