Analyst Meeting : Mar. 5, FY 2000 Results Analyst Meeting March 5, 2001

Analyst Meeting : Mar. 5, Financial Results & 2001 Outlook 2000 Financial Results & 2001 Outlook 2000 Operating Results & 2001 Key Initiatives 2000 Operating Results & 2001 Key Initiatives 2000 Achievements and 2001 Strategies 2000 Achievements and 2001 Strategies Key Strategic Issues Key Strategic Issues Q&A Q&A Outline

Analyst Meeting : Mar. 5, Financial Results & 2001 Outlook

Analyst Meeting : Mar. 5, Page : 1 Profit & Loss Statement : TA Consolidated Unit : Million Baht

Analyst Meeting : Mar. 5, Page : 2 Profit & Loss Statement : TA Consolidated (con’t) Unit : Million Baht

Analyst Meeting : Mar. 5, Page : 1 Profit & Loss Statement : TA Consolidated Unit : Million Baht 3 Mos Ended 31 December

Analyst Meeting : Mar. 5, %Change Basic Wireline-Voice13,03211,34615 Wireless (PCT) 3, Handset1, Usage1, BB, Internet976981(0.5) Multimedia881905(3) Internet Data (DDN) VAS2,0041,57827 Others304428(29) Total19,38814,94330 Revenue Diversification (Consolidated Total Revenue) 2000 Financial Results

Analyst Meeting : Mar. 5, Shift to higher margin customers Consumer / Business Revenue Mix (Wireline Voice & Data) % 46% Business Consumer % Business 53% Consumer % Business 50% Consumer 2000 Financial Results

Analyst Meeting : Mar. 5, ROIC / ARPU – Wireline + PCT Baht / Customer / Month Wireline ARPU up 6% over 1999 ARPU up 17% over 1999 including PCT Minimal investment Financial Results 2000 Financial Results

Analyst Meeting : Mar. 5, Operating Expenses - YoY Growth (Consolidated) FY99FY00 Diff %Change As Reported13,93916,8844,00430 Add out of period adjustment Less Revenue Sharing2,1452, Less Depreciation6,4427,7081,26620 Less Cost of Sales3741, “Core” Operating Expenses 4,978 5, Core Operating Expenses as % of revenues33.3%30.1%-3.2% 2000 Financial Results Growth with disciplined expense control

Analyst Meeting : Mar. 5, Revenue14,94319,3874,44430 EBITDA 7,446 9,526 2,08028 EBITDA Margin (%) (70 bp)- Cost of Sales as a % of revenues Normalized EBITDA margin EBITDA Margin 2000 Financial Results FY99 FY00 Diff% Change FY99 FY00 Diff% Change

Analyst Meeting : Mar. 5, Financial Results Debt / EBITDA Times

Analyst Meeting : Mar. 5, Financial Results EBITDA/ Interest Coverage Times

Analyst Meeting : Mar. 5, Financial Results Cash Flow from Operations (Bt Million)

Analyst Meeting : Mar. 5, US$ YEN Baht Equiv. Baht EOY ,56934,08484,754 Debt restructuring-DPN-24,882-9,456 Repayment(169)(1,683)(10,213)(18,194) EOY ,76823,87176,016 Percent Change-17.4%102.8%-30.0%-10.3% 2000 Financial Results Consolidated Debt Profile Remark : FX rates as of 31 December, 2000

Analyst Meeting : Mar. 5, Financial Objectives Reduce FX exposure Diversify revenue mix Improve financial integrity Leverage existing investment Reduce cost of capital Enhance credit profile

Analyst Meeting : Mar. 5, TA Group Outlook 14,943 7,446 1, ,320 4,798 Revenue (MB) EBITDA (MB) Line Billed (thousand lines) ARPU POTS (B/line/mo) PCT Subs (thousand) ARPU PCT (B/sub/mo) CAPEX (MB) Headcount (persons) 19,388 9,526 1, ,039 5, (2) > 9 ~ Flat > 40 ~ Flat %g2001 %g

Analyst Meeting : Mar. 5, Operating Results & 2001 Key Initiatives

Analyst Meeting : Mar. 5, Strong Customer Growth Total Billed Lines1,524, ,8479%   Consumer1.12 million   Business 0.41 million Data Circuits3,711 1,08332% Payphones20,000 3,23519% Internet Customers73,510 53,510268% Wireless (PCT)393, ,440104% CATV Customers (UBC)380,956 56,35817% % y-o-y Growth Net Add YE Operating Results

Analyst Meeting : Mar. 5, Wireline Sales Activity – “Core” Growth 2000 Monthly Avg.=16, Monthly Avg.=14, Monthly Avg.=7,800 9% Increase 82% Increase 186, ,000 +9% 94, % 2000 Operating Results

Analyst Meeting : Mar. 5, ,010 1,2931,294 1,401 1,525 1,531 1,528 1,503 1,460 1,437 1, ,000 1,500 2, TelecomAsiaTOT Wireline - Cumulative Lines Billed TA’s cumulative lines billed were 1, 525 million at year-end 2000 Since March 2000, TA has surpassed TOT in terms of market share Sources: T elecom ASIA and Telephone Organization of Thailand Customers (000) (E) 2000 Operating Results

Analyst Meeting : Mar. 5, Digital Data Network - Cumulative Circuits 2000 Operating Results Impressive growth in data 41% y-o-y Growth

Analyst Meeting : Mar. 5, ,550 1,596 1,206 1, ,000 1,500 2,000 1Q Q3Q4Q 1Q Q3Q4Q 1Q Q3Q4Q 116% y-o-y Growth Digital Data Network – Cumulative Bandwidth Thousand Kbps Impressive growth in data 2000 Operating Results

Analyst Meeting : Mar. 5, Q 98 2 Q 3 Q 4 Q 1 Q 99 2 Q 3 Q 4 Q 1 Q 00 2 Q 3 Q 4 Q Total Revenue 0 1,000 2, 3, 4, 5, 6, Baht / Month Total RevenueRPL * Month-end data Generating annual revenue of ~Bt1 billion with solid margins Public Phone Million Baht 2000 Operating Results

Analyst Meeting : Mar. 5, Call Completion % of Total Org. Calls Actual 2000Target 2000Actual 1999 (Source: Network Management Center) 2000 Operating Results

Analyst Meeting : Mar. 5, Fault Rate Actual 2000Target 2000 Actual 1999 % of Total working lines (Source: Maintenance Center) 2000 Operating Results

Analyst Meeting : Mar. 5, Network Outage Line * Hour ( ‘ 000) (Source: Network Management Center) Actual 2000Target 2000Actual Operating Results

Analyst Meeting : Mar. 5, Fault Cleared within 24 Hrs. % of Total Faults (Source: Maintenance Center) Actual 2000Target 2000Actual Operating Results

Analyst Meeting : Mar. 5, Customer Satisfaction Consumer 86.30% 85.00% % Business % 85.00% (Source: Marketing Research & Analysis) Business and Consumer Combined Actual Target 85.00% 84.90% Actual Target Actual Target 2000 Operating Results

Analyst Meeting : Mar. 5, Social Service (included in Call Center) Fraud Protection Project TA Show Room Mobile Public Phone Customer Relations and Service Enhancement Customer Relations and Service Enhancement 2001 Key Initiatives New Billing System CCSS Enhancement MRP (Material Requirement Planning) Web-Site Fault Reports, Bill Enquiry, etc. E - Purchase Information Technology Development

Analyst Meeting : Mar. 5, Prepaid PCT MegaPort (IP Access Service) Additional 6,000 public phones Broadband access * * DSL, Cable modem New services for 2001 New services for Key Initiatives

Analyst Meeting : Mar. 5, Broadband Access- Status 2001 Key Initiatives F F DSL will cover 40% of corporate & 20% of consumer footprint by 1Q2001 F F Monthly Pricing l l Corporate5, ,000 Baht l l Consumer ,000 Baht F F 80% of addressable market/ Business F F 50% of addressable market/ Residential F F Vendors are: l l NorTel l l Nokia l l ECI F F Currently on trial offering F F Market launch in April 2001 F F Cable Modem on trial and to be launched in 2Q2001 l l Covering BKK area DSL Cable Modem

Analyst Meeting : Mar. 5, Achievements & 2001 Strategies

Analyst Meeting : Mar. 5, Strong Growth in Subscriber Foundation 1,401 1, % Growth 324, , % Growth 192, , % Growth ~20,000 73, % Growth 2,921, 3, % Growth Internet Customers Data Network (Circuits) Wireline (subs in,000) Wireless (PCT subs) CATV (Subscribers)

Analyst Meeting : Mar. 5, TA Growth Performance Update Revenue of TA Consolidated TA 30% Growth 28% Growth EBITDA of TA Consolidated Revenue of TA Stand-alone EBITDA of TA Stand-alone 29% Growth 19% Growth In MB

Analyst Meeting : Mar. 5, Consolidated Total Revenue Profile Baht Billion VAS & Other BB, Data & Internet Voice 67% 6% 16% 10% Wireless 1999/1998 Growth 10.4% 2000/1999E Growth Over 30% VAS & Other Voice 80% 11% 10% BB, Data & Internet Voice 76% Wireless VAS & Other 9% 6% 9% BB, Data & Internet Revenue Diversification

Analyst Meeting : Mar. 5, TA 78.52% W7 0.15% W&W 5.38% AWC 5.69% Nilubon 0.13% AM 4.12% TA 74.62% AI 0.45% Other 0.11% IMS 0.03% Other 0.05% W7 0.15% W&W 4.99% AWC 0.00% Nilubon 0.13% AI 0.46% AM 5.44% IMS 0.04% Revenue Equivalent Profile by Company Remark : * UBC contribution was calculated by TA ’ s share (40.96%) in UBC ’ s revenue. UBC* 10.15% UBC* 9.38% TA Performance Update

Analyst Meeting : Mar. 5, ,943 7,446 50% (5,798) (1,914) (7,475) TA Financial Performance Update Consolidated% Change Bt million Revenue EBITDA EBITDA Margin Net Interest F/X Gain/(Loss) Net Profit / (Loss) After minority interest 19,388 9,526 49% (5,653) (2,642) (3,308) (2) (38) 56 TA Stand-alone % Change 13,201 6,920 52% (4,632) (755) (7,475) 17,027 8,219 48% (4,870) (4,747) (3,308) (9) 5 (529) 56

Analyst Meeting : Mar. 5, Financial Perspective Surpassed TOT market share in BMA in 1Q2000 Successful PCT launch, wireless positioning Segmentation, cherry-pick, and MSP Penetration on high-bandwidth, high margin data services More than 9,000 public phones installed Ability to generate cash of 544 million Baht for loan prepayment Customer Perspective Innovation on internet business with Position for the future with Call Center, and CRM Successful launch of TA-1234 First mover of Pro-rata billing Wireless internet access via PCT Business Process Perspective Preventive network outage reduction program Adoption of IAS, improving transparency/comparability Organizational Development Perspective Movement towards pay-for-performance Completion of strategic review & integration exercise with PwC 2000 Achievement Summary

Analyst Meeting : Mar. 5, Technology Resources (incl. HR) Asian MKT Base Intn ’ l Gateway LD BKK Nation wide WirelessData/Broadband Internet Access Data Center MediaContent Content TA Master Road Map WCS

Analyst Meeting : Mar. 5, M Lines - 1.5M Lines Sold - 20K Public Phone Boxes - 3,860 Major Corporate Data Circuit Link - ATM & ADSL Network Installing - 160,000 Core Fiber Kilometers ► ► 381K 381K Households ~ 231K DSTV ~ 150K CATV ► ► 60 Channels 60 Channels ► ► 800K tap ports 800K tap ports serving ~2,000K Home Pass HFC Network ► ► Non-POTS Non-POTS License (Nation-wide) ► ► Cable Modem Cable Modem Under Trial AM ► ► 600 Corporate & 72,900 individual customers 600 Corporate & 72,900 individual customers ► ► 393K Subscribers 393K Subscribers ► ► 60K Waiting List 60K Waiting List ► ► 1000K Capacity 1000K Capacity ► ► ~700 Building with ~700 Building with Indoor Cell Sites ► ► ~40,000 Outdoor ~40,000 Outdoor Cell Sites ► ► 64Kbps Data 64Kbps Data Transmission under implementation ► ► Global marine fiber optics cable ► ► NASDAQ Listed ► ► Nation-wide Nation-wide mobile license ► ► 1800 MHz 1800 MHz Frequency with 25 MHz bandwidth 41.0%90.5%65.0%99.9%9.8% Potential Integration TA Business Structure 51.0% WCS

Analyst Meeting : Mar. 5, SUPPORT GROWTH POSITIONING TA Strategies for 2001

Analyst Meeting : Mar. 5, SUPPORT GROWTH POSITIONING TA Strategies for 2001 Business Focus: NW Redundancy,Fiber-to-Buildings,Broadband ASP,Service Business Focus: NW Redundancy,Fiber-to-Buildings,Broadband ASP,Service Bundling,Wireless PBX,Sales Agents Bundling,Wireless PBX,Sales Agents Wireless Integration: WCS Wireless Integration: WCS Capacity Utilization: Revenue per Customer Focus, Lower barrier of Entry Capacity Utilization: Revenue per Customer Focus, Lower barrier of Entry Broadband/Wholesales: ADSL, Cable Modem, IPAS, Capacity & Facility Broadband/Wholesales: ADSL, Cable Modem, IPAS, Capacity & Facility Leasing Leasing Internet Access, E-Commerce, and Content:,Multi-Access Portal Internet Access, E-Commerce, and Content:,Multi-Access Portal New VAS: 6,000 Public Phones,PCT Pre-paid/Hi-speed, TA’s Bonus Points New VAS: 6,000 Public Phones,PCT Pre-paid/Hi-speed, TA’s Bonus Points Alliance: Intra-group synergistic value, Content, NW technology, Alliance: Intra-group synergistic value, Content, NW technology, Distribution & Sales Distribution & Sales

Analyst Meeting : Mar. 5, SUPPORT GROWTH POSITIONING TA Strategies for 2001 Sustain revenue and EBITDA growth Sustain revenue and EBITDA growth Disciplined cost control Disciplined cost control Business leader Business leader Build trusted & strong brand Build trusted & strong brand Best value for customers Best value for customers Provision for future opportunities: 3G, International Gateway, etc. Provision for future opportunities: 3G, International Gateway, etc. Manage through liberalization process that satisfies most stakeholders Manage through liberalization process that satisfies most stakeholders

Analyst Meeting : Mar. 5, SUPPORT GROWTH POSITIONING TA Strategies for 2001 Enhance good corporate governance & best practices Enhance good corporate governance & best practices Strategic integration & competency enhancement Strategic integration & competency enhancement Strengthen financial position Strengthen financial position Build strong culture 3-C Build strong culture 3-C

Analyst Meeting : Mar. 5, TA Developmental Stages BusinessesPOTs+VAS+UBC+AI+PCT+AM+WCS*POTs+VAS+UBC+AI+PCT+AMPOTs+VAS+UBC+AI+PCTPOTs+VAS+UBC POTs+VAS (PP,DDN,etc.) Plain Old Telephone Service (POTs) Strategic Focus Business and Wireless Leader Growth Capitalization Debt Restructuring Multimedia Focus Telephone Line Sales Push Network Installation Implementation * Potential Integration not yet a part of TA Group

Analyst Meeting : Mar. 5, Evolution of TA Business Environment Broadband & Cellular (WCS*) Wireless (PCT) Internet Service Provider (AI) Multimedia Services (UTV & AM) Data (DDN) & Payphone Services POTS Strategic Focus Toward Business&Wireless Leader Growth Capitalization Restructuring UBC Consolidation and Cost Cutting Telephone Lines & VAS Network Installation Implementation * Potential Integration not yet a part of TA Group

Analyst Meeting : Mar. 5, TA Strategies for 2001 and beyond A Leading BMA Telco A Leading BMA Telco A Nationwide Business&Wireless Leader Position for opportunities after liberalizationPosition for opportunities after liberalization Enhance best practices & good governanceEnhance best practices & good governance MarketLiberalization

Analyst Meeting : Mar. 5, Key Strategic Issues WCS Acquisition WCS Acquisition Concession Conversion Concession Conversion

Analyst Meeting : Mar. 5, WCS Acquisition

Analyst Meeting : Mar. 5, First meeting with key shareholder accounts Dec 2000 Signing of a Memorandum of Strategic Alliance Appointing a financial advisor and a legal counselor to negotiate with CP Group An engineering team is to assess and verify the synergy / operational alliance plan Board of Directors Meeting to approve the transaction and call shareholders meeting The Sub-Committee to make counter-offer and negotiate with CP Disclosure of Board of Directors Resolution to the SET Seeking an approval from the Creditors Shareholders Meeting to approve the transaction tt + 35 days  Appointment of a Sub-Committee          Execution WCS: Tentative Time Frame Feb 2001  The Sub-Committee recommends approval to non-CP Directors Second meeting with a broader group of investors / Research analyst meeting

Analyst Meeting : Mar. 5, Concession Conversion

Analyst Meeting : Mar. 5, Concession Conversion Concession Conversion Subcommittee was dissolved in Feb 01 Concession Conversion Subcommittee was dissolved in Feb 01 Continuing Conversion Effort by the New Government Continuing Conversion Effort by the New Government NTC, currently being selected by Senate, is the Key NTC, currently being selected by Senate, is the Key

Analyst Meeting : Mar. 5, “ Safe Harbor ” Statement This presentation contains statements about expected future events and financial results that are forward-looking and subject to risks and uncertainties. Undue reliance should therefore not be placed on said forward-looking statements, which speak only as of the date hereof. Factors which may affect future results of the Company are discussed in our recent filings with the Securities and Exchange Commission.

Analyst Meeting : Mar. 5, FY 2000 Results Analyst Meeting March 5, 2001