Components of the SET50 Index & SET100 Index calculation for Jul. 1 - Dec. 31, 2006

Components of the SET50 Index calculation for Jul. 1 - Dec. 31, 2006 Sector Securities Name Industry Group: Agro & Food Industry Agribusiness - Charoen Pokphand Foods PCL CPF Food and Beverage - Minor International PCL* MINT Thai Union Frozen Products PCL TUF Industry Group: Financials Banking - Bank of Ayudhya PCL BAY Bangkok Bank PCL BBL Kasikornbank PCL KBANK Kiatnakin Bank PCL KK Krung Thai Bank PCL KTB The Siam Commercial Bank PCL SCB Siam City Bank PCL SCIB TISCO Bank PCL TISCO TMB Bank PCL TMB Finance and Securities - Kim Eng Securities (Thailand) PCL KEST Thanachart Capital PCL TCAP Industry Group: Industrials Petrochemicals & Chemicals - The Aromatics (Thailand) PCL ATC PTT Chemical PCL PTTCH Thai Plastic And Chemicals PCL TPC Industry Group: Property & Construction Construction Materials - The Siam Cement PCL SCC Siam City Cement PCL SCCC Sahaviriya Steel Industries PCL SSI TPI Polene PCL TPIPL Property Development - Amata Corporation PCL* AMATA Central Pattana PCL CPN Italian-Thai Development PCL ITD Land and Houses PCL LH Industry Group: Resources Energy & Utilities - Banpu PCL BANPU Electricity Generating PCL EGCOMP Glow Energy PCL GLOW PTT PCL PTT PTT Exploration And Production PCL PTTEP Ratchaburi Electricity Generating Holding PCL RATCH Thai Oil PCL TOP Industry Group: Services Commerce - C.P. Seven Eleven PCL CP7-11 Siam Makro PCL MAKRO Health Care Services - Bangkok Dusit Medical Services PCL BGH Bumrungrad Hospital PCL BH Media & Publishing - BEC World PCL BEC MCOT PCL MCOT Transportation & Logistics - Airports of Thailand PCL AOT Bangkok Expressway PCL BECL Precious Shipping PCL PSL Regional Container Lines PCL RCL Thai Airways International PCL THAI Thoresen Thai Agencies PCL TTA Industry Group: Technology Communication - Advanced Info Service PCL ADVANC Shin Satellite PCL SATTEL True Corporation PCL TRUE Electronic Components - Cal-Comp Electronics (Thailand) PCL* CCET Delta Electronics (Thailand) PCL DELTA Hana Microelectronics PCL HANA Replacement list for SET50 Index Media & Publishing ITV PCL ITV Property Development Ch.Karnchang PCL CK Food and Beverage Khon Kaen Sugar Industry PCL KSL Property Development Sino-Thai Engineering And Construction PCL STEC Banking Bankthai PCL BT * New securities added for this period Components of the SET100 Index calculation for Jan. 1 - Jun. 30, 2006 Sector Securities Name Industry Group: Agro & Food Industry Agribusiness - Charoen Pokphand Foods PCL CPF Sri Trang Agro-Industry PCL STA Food and Beverage - Khon Kaen Sugar Industry PCL KSL Minor International PCL MINT Thai Union Frozen Products PCL TUF Industry Group: Financials Banking - ACL Bank PCL ACL Bank of Ayudhya PCL BAY Bangkok Bank PCL BBL Bankthai PCL BT Kasikornbank PCL KBANK Kiatnakin Bank PCL KK Krung Thai Bank PCL KTB The Siam Commercial Bank PCL SCB Siam City Bank PCL SCIB TISCO Bank PCL TISCO TMB Bank PCL TMB Finance and Securities - Asia Plus Securities PCL ASP Bangkok First Investment & Trust PCL BFIT Globlex Holding Management PCL* GBX Kim Eng Securities (Thailand) PCL KEST KGI Securities (Thailand) PCL KGI Krungthai Card PCL KTC Phatra Securities PCL* PHATRA Thanachart Capital PCL TCAP Seamico Securities PCL ZMICO Industry Group: Industrials Automotive - Aapico Hitech PCL AH Somboon Advance Technology PCL SAT Yarnapund PCL YNP Packaging - Polyplex (Thailand) PCL PTL Petrochemicals & Chemicals - The Aromatics (Thailand) PCL ATC Indorama Polymers PCL* IRP PTT Chemical PCL PTTCH Thai Plastic and Chemicals PCL TPC Industry Group: Property & Construction Construction Materials - Thainox Stainless PCL INOX Millennium Steel PCL MS Nakornthai Strip Mill PCL NSM The Siam Cement PCL SCC Siam City Cement PCL SCCC Singha Paratech PCL SINGHA Sahaviriya Steel Industries PCL SSI TPI Polene PCL TPIPL Vanachai Group PCL VNG Property Development - Amata Corporation PCL AMATA Asian Property Development PCL AP Bangkok Land PCL BLAND Ch. Karnchang PCL CK Central Pattana PCL CPN Hemaraj Land And Development PCL HEMRAJ Italian-Thai Development PCL ITD Land and Houses PCL LH L.P.N. Development PCL LPN Metrostar Property PCL* METRO Natural Park PCL N-PARK Power Line Engineering PCL PLE Quality Houses PCL QH Rojana Industrial Park PCL ROJANA Sansiri PCL* SIRI Supalai PCL SPALI Sino-Thai Engineering And Construction PCL STEC Ticon Industrial Connection PCL TICON Industry Group: Resources Energy & Utilities - Asian Insulators PCL AI Banpu PCL BANPU The Bangchak Petroleum PCL BCP Electricity Generating PCL EGCOMP Glow Energy PCL GLOW The Lanna Resources PCL LANNA PTT PCL PTT PTT Exploration And Production PCL PTTEP Ratchaburi Electricity Generating Holding PCL RATCH Solartron PCL* SOLAR Thai Oil PCL TOP Mining - Padaeng Industry PCL* PDI Industry Group: Services Commerce - C.P. Seven Eleven PCL CP7-11 Home Product Center PCL HMPRO Loxley PCL LOXLEY Siam Makro PCL MAKRO Robinson Department Store PCL ROBINS Health Care Services - Bangkok Dusit Medical Services PCL BGH Bumrungrad Hospital PCL BH Media & Publishing - BEC World PCL BEC ITV PCL ITV Major Cineplex Group PCL* MAJOR MCOT PCL MCOT Transportation & Logistics - Airports of Thailand PCL AOT Bangkok Expressway PCL BECL Precious Shipping PCL PSL Regional Container Lines PCL RCL Thai Airways International PCL THAI Thoresen Thai Agencies PCL TTA Industry Group: Technology Communication - Advanced Info Service PCL ADVANC Jasmine International PCL JAS Samart Corporation PCL SAMART Samart Telcoms PCL* SAMTEL Shin Satellite PCL SATTEL Samart I-Mobile PCL SIM True Corporation PCL TRUE TT&T PCL TT&T Electronic Components - Cal-Comp Electronics (Thailand) PCL. CCET Delta Electronics (Thailand) PCL DELTA Hana Microelectronics PCL HANA Replacement list for SET100 Index Electrical Products and Computer - Mida Assets PCL MIDA Communication - CS Loxinfo PCL CSL Finance and Securities - UOB Kay Hian Securities (Thailand) PCL. UOBKH Bualuang Securities PCL BLS Property Development - M.K. Real Estate Development PCL. MK * New securities added for this period

• ข่าวMinor International PCL
• ข่าวSiam Commercial Bank
• ข่าวMinor International
• ข่าวBank of Ayudhya
• ข่าวBangkok Bank