1. Mobile WiMAX(WiBro) in Korea Jun. 15 th, 2010 Kunmuk Cho Communication Convergence Forum Between Egypt and Korea

2. - 1 - CONTENTS I. KT WiBro Services in Korea II. KT Global WiBro Biz III. KT WiBro Solutions

3. - 2 - I.KT WiBro Services In Korea

4. - 3 - Introduction of KT Group 1981 KT Corporation established 1993 Telephone lines reached 20 million 2002 Privatization completed 2007 Launched Commercial WiBro Service 1897 Started as a government agency 2004 Internet Service reached 6million Korean Population: 47.8 M Korean Household: 15.3 M KT Group Global ICT Convergence Leader I. KT WiBro Services 31,500 16.8 Billion USD 17.6 Million 7.1 Million EmployeesRevenue Telephone Subscribers Broadband Subscribers Year 2009 Cellphone Subscribers 2010. 1Q 15.4 Million 2010. 1Q 2009 Olleh KT, merged with KTF(Korea’s 2 nd largest mobile operator)

5. - 4 - What is WiBro? WiBro (Wireless + Broadband) Mobile WiMAX Service in Korea MobilityIPBroadband  Vehicle Speed (120km/h)  Outstanding Performance while on the Move  Internet Service  Various Terminals (PC/PMP/PDA/Phones, etc)  3Mbps per User  High Uploading Capability I. KT WiBro Services

6. - 5 - WiBro Target Customer Mass Vertical Global Large-volume Internet Connection WiFi Small-size device Large-size device Broadband, large-volume Internet –centric Market Voice/Video Phone/ Global Roaming, etc. Voice-centric Market B2B salesmen Web access Students, Businessmen, Heavy data users Students, Businessmen, Trendy mobile internet users Smartphone Enterprise solution Roaming, Rental Business travelers Target Customer Voice /Video Phone I. KT WiBro Services

7. - 6 - Smartphone WiBro Mobile Devices ModemType EmbeddedType USB dongle PMP MID Game player Laptop UMPC Netbook Consumer Electronics M2M EGG CPE Smartphone Navigator I. KT WiBro Services

8. - 7 - KT WIBRO Business Phase Core customer value Core customer value Phase II Business goals Business goals BM Generalization Matured stage Phase Ⅲ 2M subscribers by 2012 Change in frequency bandwidth Increase of system & device types(Netbook, MID, Embedded notebook) 2010 ~ Phase I Plain connection - Connection fees, application service fees Relief Overcome the chasm lead in mobile broadband data market Initial stage 2007. 2Q ~ Convergence WINDOW: FMC, e-Book, Telematics Personal Fun Widen the value with specialized service Growing stage 2008.4Q ~ I. KT WiBro Services

9. - 8 - Network Strategy- Rollout plan(2010) Phase I April 2007 Oct. 2008 Phase II 2 2 1 1 5000~ 1000~5000 500~1000 200~500 100~200 ~100 Phase III Population density (person/km 2 ) SHOW WIBRO will cover 83% of total population in Korea 2010~ Phase Ⅲ 3 3 Expand coverage to suburb from Seoul Deploy the network in Seoul 2 1 3 Constructing metro zones Change Frequency bandwidth from 8.75MHz to 10MHz I. KT WiBro Services

10. - 9 - 3W Business strategy (WIBRO + WCDMA + WiFi) Seamless wireless services across different networks ``` Nation-Wide (WCDMA) Nation-Wide (WCDMA) AP Country Metro Zone (MobileWiMAX) Metro Zone (MobileWiMAX) Hot Zone (WiFi) Hot Zone (WiFi) CityIndoor WIFI Zone 3G Voice/Data InternetPhone / WiFi Data InternetPhone/ WiFi Data Nespot FMC I. KT WiBro Services

11. - 10 - 3W PLAN (WiBro+WCDMA+WiFi) I. KT WiBro Services

12. - 11 - II. KT WiBro Global Biz

13. - 12 - Mobile WiMAX Global Trends II. Global WiBro Biz WiMAX(802.16d/e) service is remarkably expanding. WiMAX Deployments Map(Feb,2010) http://www.wimaxmaps.org

14. - 13 - Global adoption WOA : The global alliance for mobile WiMAX operators Network deployment in developed & developing countries Market expansion through global roaming II. Global WiBro Biz

15. - 14 -  Vast experience in Mobile-WiMAX fields  Broadband Internet Business Consulting - Rwanda, Stanford University (USA) - Tunisia, Sudan, Japan, Malaysia, Saudi Arabia, etc.  WiMAX Forum Board Member and Working Group activity  Deployment - Super-iMAX in Uzbekistan in 2008 - NTC in Vladivostok, Russia in 2008  First Mobile WiMAX operator in the world  Know-How - Planning - Deployment - Operation  Commercial Service Experience Consulting Experience First WiMAX Operator Customized Solutions  KT’s WiMAX Solutions - WiMAX Systems (Femto BS, Pico BS, Micro BS, Macro BS, Various MS..) - Cell Planning Tool(CellTREK) - AAA,BSS(Billing Support System) - Applications Service Platform (Mobile IPTV, Mobile VoIP, Mobile CCTV, W-Navigation..) Competitiveness of KT WIBRO II. Global WiBro Biz

16. - 15 - III.KT WiBro Solutions (Product and Service)

17. - 16 - W-Office III. KT WiBro Solutions Corporate employees can access its intranet from anywhere in the company through wireless devices

18. - 17 - Mobile Office III. KT WiBro Solutions Mobile Office users with smart phones can work outside of their working places by connecting to their servers through KT mobile office platform and mobile G/W via wireless network (WCDMA, Wi-Fi, Wi-MAX)

19. - 18 - U-City III. KT WiBro Solutions U-City enables residents to enjoy the convenient life and benefits of state-of-the-art ICT technologies U-City Solutions are available for businesses, education, shopping, health, transportation, sports & leisure, and cultural events

20. - 19 - Mobile CCTV delivers live images, free from most geographical restrictions. Real time monitoring is available on the PC, Web and Mobile phones. Mobile CCTV III. KT WiBro Solutions

21. - 20 - Mobile IPTV & Cell Planning III. KT WiBro Solutions Mobile IPTV

22. - 21 - www.kt.com Thank you