2007 3Q Non Deal Roadshow 2007 2Q Non Deal Roadshow 2007 1Q Non Deal Roadshow Investor Presentation(Nov.28,2006) 2006 4Q Non Deal Roadshow 2006 3Q Non Deal Roadshow 2006 2Q Non Deal Roadshow 2006 1Q Non Deal Roadshow 2005 4Q Non Deal Roadshow 2005 2Q Non Deal Roadshow 2005 1Q Non Deal Roadshow 3GSM World Congress (2005.02.14~17 ) UBS Global Communications Conference (Dec.1, 2004) The FKI Korean Corporate Global Roadshow (Jun. 7, 2004) Investor Presentation (Feb 8, 2004) Morgan Stanley TMT Conference (Nov 21, 2003) Morgan Stanley Conference (Nov 5, 2003) 2nd Analyst Seminar (Sep 26, 2003) KSE Conference (Sep 25, 2003) Satellite DMB Business Plan (Jun 23, 2003) Vietnam CDMA Project (Jun 23, 2003)