#1H2 Corporate Presentation 28 February 2023 YEARS 35 EGCO GROUP Hydrogen H2 HYDROGEN POWER#21 AGENDA EGCO COMPANY OVERVIEW AND STRATEGIC DIRECTION 2 EGCO's Strategy and Outlook 3 EGCO Financial Performance YE/2022 YEARS 35 EGCO GROUP#3EGCO AT A GLANCE Shareholders Structure Business Type NVDR 7.51% Foreign Investors 6.24% Market Capital EGAT 25.41% Index 526 Credit Rating million shares Thai Investors As of February 28, 2023 36.90% CG Report TEPDIA 23.94% 5 Business Line YEARS EGCO GROUP Company Information Resources/Energy & Utilities THB 90,026 million as of 28 February 2023 SET50/SET100/SETCLMV / SETTHSI / SETHD TRIS "AA+" with Negative Outlook ΑΑΑΑΑ บท น มา ห บท นาน บทค Niva Case Recognition SET Awards 2021 "Rising Star Sustainability Awards" S&P Global Sustainability Award 2022 "Silver Class" The 1st independent power producer in Thailand 1 Independent Power Producer (IPP) 6,202 M We 2 Small Power Producer (SPP) 51% Overseas 38% IPP Member of Dow Jones Sustainability Indices Powered by the S&P Global CSA 3 Very Small Power Producer (VSPP) 10% SPP 1% 4 Overseas Power Producer VSPP The 1st 5 Other Businesses: Fin Tech, O&M, Innovation Business, Management service, Oil pipeline, Industrial estate and Coal mining power generating company in Thailand Listed on DJSI Emerging Markets Index in Electric Utilities sector For 3rd consecutive year 3#4→ 31 Power Plants EGCO Group's Portfolio 6,202 MWe Operating Under Construction 6,015 MWe 187 MWe 用 9 Other Related Power • • Fin Tech and Innovation Business Oil pipeline and Coal mining NED (63MW, 67%) Business • O&M and Management service Gyeonggi Paju ES Taiwan (1,823MW, 49%) Seoul H₂ South Korea Solar Biomass Natural Gas Coal Wind Farm Offshore Wind Farm Hydro Fuel Cell Other Business Project Under Construction GPS Nakhon Sawan / Chai Nat / (26MW, 60%) Phetchabun Lop Buri Solarco (57MW, 49%) TPN (Oil Pipeline) Xayaburi Laos Suphan Buri/ Nakorn Pathom Saraburi Thailand XPCL (1,280MW, 12.5%) Bolikhamxay NT1PC E&E (644MW, 25%) (O&M,40%) Chaiyaphum 35 EGCO GROUP Roi Et Khammouan 用 SPP5 NTPC (1,070MW, 35%) Roi-Et Green (8MW, 100%) (9MW, 70.3%) Si Sa Ket 用 SPP3 田 SPP4 (8MW, 100%) (6MW, 100%) Gangdong (20MW, 49%) Taiwan Strait TWF CWF SPP2 GPG (7MW, 100%) (80MW, 100%) Yunlin (8MW, 100%) (1,468MW, 50%) (640MW, 25%) Rayong EGCO Cogen EGCO Cogen BLCP ESCO ERIE Ratchaburi Rhode Island RISEC (609 MW, 49%) BPU (215MW, 100%) (116MW, 80%) Replacement (1,347MW, 50%) (O&M, 100%) (IE,100%) (74MW, 80%) New Jersey Nakhon Si Thammarat Bangkok Peer Power Innopower USA Linden Cogen Virginia (972 MW, 28%) KEGCO(KN4) (930MW, 100%) (Fintech, 24%) (Innovation, 30%) 田 APEX Yala Pathum Thani GYG (20MW, 50%) KLU (102MW, 100%) As of February 28, 2023 (294 MW, 17.46%) * 2 project South Sumatra Indonesia MME (Coal Mining,40%) Australia Quezon QPL (460MW, 100%) SBPL (455MW, 49%) BRWF (113MW, 100%) Philippines New South Wales PEPOI QMS (O&M, 100%) (Management, 100%) 4#5Subsidiary JV Investment EGCO BUSINESS OVERVIEW EGCO Operates/Invests in 3 key areas covering the value chain Upstream 1 Supply • Industrial Estate: ERIE • LNG Shipper Licens Midstream 2 Power Business POWER GENERATION: POWER PLANTS ן IPP SPP VSPP Overseas • KN4 • CWF • ן II RG Solarco TWF QPL BRWF || • KLU • SPP2 • BPU • SPP3 || • EGCO • SPP4 || SPP5 Cogen SPP ii VSPP • Coal Mining: MME ¡ IPP II GPG || • GEC 11 BLCP 0 ן NED || Oil Pipeline: TPN II Π II II || II || וד YEARS 35 EGCO GROUP Downstream 3 Customer Solution & Startup 93% of operating profit Management Service: QMS I • O&M Power Plant Maintenance: ESCO, PEPOI • • GPS Overseas SEG SEGSD O&M Power Plant Maintenance: E&E XPCL NT1PC Gangdong, Linden Cogen Fin Tech: Peer Power NTPC Yunlin SBPL APEX PAJU ES Innovation Business: Innopower 5#6EGCO POWER PLANT PORTFOLIO EGCO Currently has 31 Power Plants with total of 6,202 MWe (Operating and Under Construction) Power Generation Business In Pipeline Overseas 2% 38% 6,202 MWe IPP 49% (6,015+187 MWe in Overseas pipeline) Overseas 51% Thailand In Pipeline - Domestic 1% 59 1% 9% SPP 1% VSPP In Pipeline Domestic 48% South Korea 15% 903 11% 683 Philippines Laos 11% 696 USA 10% 622 Australia 2% 113 Taiwan 0% 32 In Pipeline - Overseas 2% 128 Note: Include APEX MWe from COD Project YEARS 35 EGCO GROUP Power Business by Fuel Type Domestic 49% Coal 1,356 M We BLCP, QPL, SBPL Natural Gas 3,597 MWe 22% Renewable 1,249 M We 6,202 MWe 58% 20% Roi-Et Green, NED, SPP2, KN4, GPG, BPU, EGCO Cogen, KLU, Paju ES, Linden Cogen RISEC In Pipeline: Cogen Replacement 2,966 民事 KRI SPP3, SPP4, SPP5, GYG, GPS, TWF, CWF, Solarco, BRWF, Gangdong, NTPC, XPCL, APEX-Mulligan Solar, NT1PC, APEX-Great Pathfinder In Pipeline: Yunlin Power Business by Market Industrial User 166 MWe 3% Power Pool 1,138 M We 18% 79% PPA 4,898 MWe 6,202 MWe 6#7EGCO STRATEGIC DIRECTION "Cleaner, Smarter and Stronger to Drive Sustainable Growth" Expand RE Capacity to 30% of Portfolio by 2030 Decrease Carbon Emission Intensity 10% by 2030 Non-Coal Investment YEARS 3EGCO Achieve Carbon Neutral in 2050 GROUP Total 1,000 MWe 6,972 5,972* 250 2023 2022 2023 2023 Unit: MWe GAINING GROWTH MOMENTUM +1,000 MWe Expanding International Portfolio • M&A new Projects with focus on conventional energy and RE Strengthening APEX portfolio Seeking for More Renewable Energy Projects H₂ HYDROGEN Enhancing Use of Alternative Energy to Reduce Carbon ⚫ Bidding RE projects in Thailand Seeking for additional RE projects Emission Strengthening Hydrogen Studying opportunities for Ammonia Increasing Efficiency and Implementing Green Technologies 2025 NEW ENERGY FOR SUSTAINABLE FUTURE • Commercializing new energy and enhancing growth Unit: Million Baht 2027 BECOME A LEADING TECHNOLOGICAL-DRIVEN/ INTEGRATED POWER PLAYER FOR SUSTAINABILITY Expand Innovative power technology to drive sustainable growth ~150,000 5% Upstream* ~30,000 Renewable 30% ~30,000 Midstream* 93% 14,430 ⚫ Study technologies for carbon capture to reduce carbon emission 30,000 Conventional 70% 2021 2022 2023 2024 2025T Downstream* 2% 2030 *% Net profit generation (Estimated) 7 *Remark : 5,972 MWe included RISEC project (298.41 MWe) which will be closed within Q1/2023#8AGENDA EGCO COMPANY OVERVIEW AND STRATEGIC DIRECTION 2 EGCO'S STRATEGY AND OUTLOOK 3 EGCO Financial Performance YEARS 35 EGCO GROUP#9COMPANY HIGHLIGHTS 076 65.32 L 25 55.01 MOU Signing Ceremony gital Transformation Study" art & Green EGCO Rayong Industrial Estate Electricity Generating Public Company Limited - Hachi Asia (Thailand) Co, LM Hitachi E 14 and) Limited ENER เวง ผังงาน RY OF ENERGY METI FTH JAPAN-THAILAN OLICY DIALOGUL JTER JANUARY 2 MPANG D jera F YEARS EGCO GROUP Strong Operating Performance Total Revenue in 2022 was THB 65,344 million, increased by 55% from 2021 Operating Profit in 2022 was THB 11,797 million, increased by 15% from 2021 This indicates the ability of the Company to generate income consistently Study Ammonia Co- firing at Quezon Power Plant in Luzon On 13 December 2022, EGCO Group, Quezon Power (Philippines), Limited Co., and Doosan Enerbility Co., Ltd recently entered into a memorandum of understanding ("MOU") to study the feasibility of ammonia co-fired power generation at EGCO Group's Quezon power plant in the Philippines to help reduce carbon dioxide emissions EGCO Group Joins Hands with Hitachi for Technology and Intelligent Systems On 15 December 2022, EGCO Group and Hitachi Group signed a MOU to jointly study technology and intelligent systems for the "EGCO Rayong" Industrial Estate Project which is to be developed into a Smart & Green Industrial Estate to serve the needs of targeted industrial customers of the future S-Curve and New S-Curve in the Eastern Economic Corridor (EEC) EGCO Group Joins Forces with JERA Asia to Develop Carbon Neutral Roadmap On 12 January 2023, EGCO Group has cooperated with JERA Asia, in studies to decarbonize its business on the usage of Hydrogen, Ammonia, and Carbon Capture, Utilization and Storage (CCUS) technology in the power generation industry with an aim to achieve its carbon neutral goal by 2050 EGCO Group Divests Shares in Star Energy Group's Geothermal Power Plants On 27 December 2022, EGCO Group announced the successful disposal of its entire shares in three geothermal power plants in Indonesia to Star Energy Group Holdings Pte. Ltd. Proceeds from the divestment transaction will be used for new investment opportunities in the future, especially in renewable and clean energy projects with superior growth potential#10EGCO Group Acquires 49% Interest in "RISEC" 609 MW Natural Gas Power Facility in the USA RISEC YEARS 35 EGCO GROUP Timeline: Purchase and Sale Agreement ("PSA") was executed on 11 November 2022. Location Natural Gas Combined Cycle Power Facility Gross Nominal Capacity EGCO Shareholding COD (Class Upgrade) Capacity under contract Tolling Agreement CP Market Capacity Zone Fuel Further Opportunities Johnston, Rhode Island, USA 609 MW (with Peak Fire) 49.0% November 2002 (Upgraded class 2011) 100% contracted through 2025 Shell Energy North America (credit A / A2) ISO-NE (SEMA / RI) | SENE Natural gas On-site battery energy storage Hydrogen and/or RNG co-firing capability The Committee on Foreign Investment in the United States ("CFIUS") clearance granted on 30 December 2022. The Federal Energy Regulatory Commission ("FERC") review of market concentration matters is underway. No public interest group filed any protest/ intervention in this transaction. FERC approval is expected by mid on March 2023. FERC clearance is the final condition precedent prior to the transaction closing, which is now expected to come within March 2023. 10#11About RISEC This acquisition further builds upon EGCO Group's presence in the US power market RISEC RISEC is a critical facility in the ISO-NE grid stability and energy transition plans. One of the most efficient, lowest emission base load gas- fired generators located adjacent to the load centers of the cities of Boston and Providence. US Power Market Overview • Consists of 10 market zones: California (CAISO) Midcontinent (MISO) New England (ISO-NE) New York (NYISO) Northwest PJM Southeast High barrier to entry in ISO-NE with no non-RE plants in interconnection que. Supports the NE states' aggressive energy transition policies via reliable capacity as well its ability to host new energy transition. Stable revenue profile driven by tolling agreement with Shell Energy North America (A/A2) through 2025 plus cleared capacity and black start service revenues from ISO NE. Further investment opportunities (e.g. On-site battery energy storage, Hydrogen and/or RNG co-firing capability. • YEARS 3EGCO GROUP Southwest Southwest Power Pool (SPP) Texas (ERCOT) Generally, wholesale and retails transactions are traditionally regulated only in Northwest, Southwest, and Southeast market zone ISO-NE Northwest MISO NYISO PJM CAISO SPP Southwest Southeast ERCOT ISO-NE Load Zone ME NH Northeast Massachusetts ("NEMA") WCM ĄT Southeast Massachusetts ("SEMA")) 11#121 KEY MILESTONE: SHARE DISPOSAL OF POWER PLANTS IN INDONESIA 2 3 YEARS 35EGCO GROUP "Wayang Windu" geothermal power plant, Indonesia Details: "Wayang Windu" Power Plants Geothermal Total installed capacity of 227 MWs "Salak" geothermal power plant, Indonesia "Salak" Power Plants Geothermal Total installed capacity of 376.8 MWs On 22 December 2022, Phoenix power B.V. ("PP"), a wholly owned subsidiary of EGCO Group, announced the success of divesment its entire shares in three geothermal power plants in Indonesia to Star Energy Group Holding Pte. Ltd. as follows: 1. 20.00% of issued and paid-up ordinary shares in Star Energy Geothermal Pte. Ltd. ("SEG") 2. 30.25% if issued and paid-up ordinary shares in Star Phoenix Geothermal JV B.V. ("SPG") Subsequently, the transaction was successfully completed on 22 December 2022 with total consideration of USD 485 million or approximately THB 16,780 million. Key Objectives: "Darajat geothermal power plant, Indonesia "Darajat❞ Power Plants Geothermal Total installed capacity of 271 MWs 1. Support new investment opportunities in the future, especially in renewable and clean energy projects with high growth potential 2. Enhance financial position to be stronger 12#13EGCO STRATEGIC ACTION "Cleaner, Smarter and Stronger to Drive Sustainable Growth" 1 ENHANCE EXISTING BUSINESS FOR SUSTAINABILITY Ensure strong conventional energy portfolio to serve demand domestically and internationally • Expand RE portfolio to work towards carbon neutral Enhance YEARS EGCO GROUP Corporate Governance Consistency 3 CORPORATE • GOVERNANCE CONSISTENCY Enhance credit standing and move towards investment grade Maintain DJSI Consistent CSR activities Existing Business YEARS 33 EGCO GROUP 2 GROW AND SEEK FOR OPPORTUNITES IN RELATED BUSINESS Expand presence along the value chain New S-Curve Businesses: Study new energy solution New Business Model Diversify into new businesses - Investment in start-ups: Fintech, Crowdfunding Consistent Portfolio Management Grow 8G Related Business O perational Excellence 4 OPERATIONAL EXCELLENCE Best in Class Operation Transform organization for future growth Integrated IT platform to support New Normal Operation Create best practice for sustainability 13#141 ENHANCE EXISTING BUSINESS FOR SUSTAINABILITY EGCO has a diversified Domestic and Overseas Power Plant Portfolio with Strong Performance ➤ Ensure strong conventional energy portfolio to serve demand domestically and internationally and Expand RE Strong Conventional Energy Portfolio Domestic Power Business EGCO Cogen (93 MWe) Overseas Power Business YEARS EGCO GROUP Taiwan (160 MWe) KLU (102MWe) BPU (215MWe) Australia (113 MWe) BRWF EGCO Cogen Replacement (59 MWe) Yunlin 3% 3% 4% 5% KEGCO (930MWe) South Korea (903MWe) Renewable (219 MWe) 2% USA (622 MWe) 28% 7% 31% CWF, TWF, NED, 7% Solarco, GPS, SPP2, SPP3, SPP4, SPP5, GYG, RG 3,025 M We (YE/2022) Linden Cogen, APEX-Mulligan Solar, APEX-Great Pathfinder, RISEC PAJU ES, Gangdong 20% 3,177 M We (YE/2022) 22% BLCP (673MWe) 24% GPG (734MWe) Philippines (683 MWe) QPL, SBPL Laos (696MWe) 21% 22% NTPC, XPCL, NT1PC ✓ Focus on investment in High Efficiency Low Emission (HELE) energy and low carbon solution Growth Direction Participate in bidding for Renewal Energy Projects according to policy ✓ Advantage on international exposure to acquire good projects into portfolio i.e. Linden Cogen, PAJU ES ✓ Strong shareholder network Growth Direction Leverage strong connections with existing partners in seeking new projects and obtaining new growth opportunities Seek and Study for technologies to support future growth 14#151 ENHANCE EXISTING BUSINESS FOR SUSTAINABILITY Power plants under construction are on track ➤ Expand RE portfolio to work towards carbon neutral APEX-Great Pathfinder EGCO Cogen Replacement Project Progress: February 2023 100.00% Project Progress: January 2023 49.47% - SPP Cogeneration (Natural Gas) YEARS EGCO GROUP Туре Wind Farm Location USA COD Installed Capacity PPA Term February 23, 2023 224 MW 12 year with fixed PPA then can sell in pool market Rayong Industrial Park, Mak Kha Sub-district, Nikhom Pattana District, Rayong Provice 2024 74 MW Entered into EGAT PPA 28 MW in 26 Jan 2022. Shareholders: Others 83% EGCO 17% Shareholders: J Power Holding (Thailand) 20% EGCO 80% 15#161 ENHANCE EXISTING BUSINESS FOR SUSTAINABILITY Power plants under construction YEARS 33 EGCO GROUP Yunlin Holding GmbH Project Progress: December 2022 73.14% Type Location COD Installed Capacity PPA Term Substation / Grid Connection: 80 Siemens Gamesa 8.0-167DD Wind Turbine Generators Nameplate capacity: 8 MW plus power boost Hub height: 110 meters Rotor diameter: 167 meters Yunlin, Taiwan Q4/2021 2024 (Entire COD Q4/2024) 640 MW: January 2023, already COD 16 Turbines or 128 MW 20 years with Taiwan Power Company Two onshore substations 66kV / 161kV 5km of HV cable to Taipower Substation Shareholders: COD Timeline Total Energies Renewables S.A.S. 23% EGCO 25% 2021 2022 2023 2024 Total Turbines 4 10 22 44 80 Taiwan Offshore Holding GmbH 25% Starwind Offshore GmbH 27% MWs 32 80 176 352 640 16#171 ENHANCE EXISTING BUSINESS FOR SUSTAINABILITY Power plants under construction are on track APEX CLEAN ENERGY Apex Clean Energy (APEX) Business Type Business Overview Project Information A private utility-scale renewable development company Hybrid Renewable IPP (Developer and Owner) APEX Portfolio and Construction Projects Unit: MW 2023-2024 COD Plan Unit: MW 228 Projects YEARS ➜³JEGCO GROUP 50,755 1,650 Shareholding by EGCO 17.46% (Indirect). Co- Investment with Ares Infrastructure & Power 42,774 Investment Unit: Million Baht 29,466 22,725 Under Wind Returns Farm 435 524 Total 13,683 MB (Dec 2022) Standalone Storage 19 Projects 1,650 MW Under Development 76 Projects 29,466 MW Construction 2 Projects 524 MW Under 14 Projects 2,578 1,408 7 Projects 1,182 200 Development 538 130 Projects 1,170 19,045 MW 20,049 7,454 19,045 Solar Investment Farm Operating 444 1 Project 70 MW 2023F 2024F 70 2021 2022 2023 2024 2025 2026 2027 Dec 21 Dec 22 Note: EGCO start investment in November 2021 17#182 GROW AND SEEK FOR OPPORTUNITIES IN RELATED BUSINESSES EGCO Continues to grow in power-related businesses to ensure strong presence in the value chain ➤ Expand Presence Along the Value Chain Projects in Progress Supply TPN Oil Pipeline . 20 years exclusive rights to operate oil pipeline transportation system with Thappline • Rayong Industrial Estate Smart, Green and Sustainable Industrial Estate to support the investment in EEC Other Power Businesses 8 YEARS 3EGCO GROUP Customer Solution & Startup INNOPOWER New S-Curve Business: BLOOM New Energy Solution: To develop hydrogen to generate alternative fuel sources to support carbon neutral Bloomenergy • • Investment in Start-Ups InnoPower 887MB Investment in disruptive technology: Innovation Business, Power Pool, Energy Storage, Smart grid and EV car Stage: Begin Investment 0 PeerPower Investment in Start-Ups Peer Power - 363MB Investment in Crowd funding in fintech startup Stage: Fund-raising 18#192 GROW AND SEEK FOR OPPORTUNITIES IN RELATED BUSINESSES EGCO is still seeking for sustainable growth opportunities across the value chains Project Updates Bloomenergy Develop Hydrogen to Generate Alternative Fuel Sources Q4/2022 and Outlook Unit: MW 2 PeerPower PeerPower Event “Go F. ther ก้าวไปด้วยจับ” Peer Power TPN bangchak 8 FIRST OIL ARRIVAL HON KA TERMIN Septen r 5, 2022 Thai Pipeline Network (TPN) Peerpower Operational Progress TPN Overview 25 ✓ In the past, the Company was able to raise funds from investors in the amount of THB 2 billion. Type Location Capacity Timeline 5 2023 •5 MW is in discussion phase Engineering design in progress 5 MW Advantages • 2024 Construction of 5MW Power Supply • Study additional 25 MW Will be feed into Klong Luang Power Plant (KLU) in Phathum Thani, Thailand ✓ Investment opportunities in SOFC and SOEC technologies. ✓ Fulfillment on the Company's goal. "Cleaner, Smarter and Stronger to Drive Sustainable Growth" ✓ Production capacity expansion to satisfy higher demand from IUs. The average amount was THB 20 Million per time, which was set a fastest record in fundraising close 15 Industries supported by the Company for growth opportunities Advantages Investors invested more than 6,000 times to help entrepreneurs ✓ To collaborate by utilizing our core business competency to provide renewable energy source to supply to Peer Power's data center. ✓ To promote the development of blockchain-based energy trading platform. YEARS 3EGCO GROUP Contract Agreement Oil Transportation Service Business Saraburi Khon Kaen 5,443 million liters 20 years exclusive rights to operate oil pipeline transportation system with Thappline (can be extended 10 years x 2 times) Full Operation Date Q2/2023 TPN Progress Q4/2022 First Oil In Target 2023 Revenue: 360MB Q1/2023 Q2/2023 Seeking for New Customers Securing Contracts 19#202 INNOVATION BUSINESS: INNOPOWER EGCO invests in INNOPOWER to enhance returns and seek for new technology 1 Venture Capital Investments in domestic and international startups Progress: 3 Investments 1 2 3 Turntide Technologies Series C • Additional Value: Strategic Partnership to commercialize products in Thailand, Vietnam, Indonesia, and Singapore Alto Tech Pre-Series A Thai startup develops AloT platform, energy management platform for buildings and smart cities Contrarian Ventures Pre-Series A • Investment fund focusing on Net Zero theme 1) Smart Energy 2) Smart Mobility 3) Building & Infrastructure INNOPOWER EGCO YEARS GROUP 3 Business Units Updates 2 3 Venture Builder Strategic Partnership • Joint investments to expand innovation by working with shareholders and partners Progress: An official launch of Wallbox Marketing Activities • Motor EXPO 2022 Quick win business in new innovative energies • Co-investing in businesses that are profitable Progress: Collaborations Green Energy Solution Solar Plus Project with Kbank, Supalai, PEA ENCOM Sales • Distribution agreement with Wallbox S.L. MOU: REC Collaboration . Official supplier for 3 car brands and nation-wide distributors • VEKIN • SUPER CarbonX • Automotives: NISSAN MITSUBISHI Audi • Distributors: MOTORS SCG Home 3K Plus Homebase (Boonthavorn) Product coverage growth both DC and AC Collaboration • MOU with MISA (Saudi Arabia) to license EGAT EV Super Charger to produce and sell in Saudi Arabia and white label Elexa and BackEN platform MOU: Fleet Business POWERWORK • ERC Sandbox Phase2 Western Digital Nestle 20#212 8 YEARS 35EGCO GROW AND SEEK FOR OPPORTUNITIES IN RELATED BUSINESSES EGCO Rayong Industrial Estate progress in on track and is currently in the design phase EGCO Rayong Industrial Estate Smart, Green and Sustainable Industrial Estate to support the investment in EEC Туре Location The site of Rayong power plant in Rayong Operation Date Q4/2023 Capacity Contract Area: 621 rai Agreement Customers: Hi-tech, Innovation, R&D factories GROUP Project Progress: 園 AEC submitted construction drawings to IEAT for approval on July 8. The reply from IEAT is expected within July 2022. Request to the cadastral survey was submitted to Land Office of Rayong province. The TOR for consultant selection is planned to be released in July 2022. MOU with Hitachi Group for Jointly studying technology and intelligent systems On 15 December 2022, EGCO Group and Hitachi Group signed a memorandum of understanding (MOU) to jointly study technology and intelligent systems for the "EGCO Rayong" Industrial Estate Project MOU to carry out a project to study the development of technology and intelligent systems under the project named "Accelerated Digital Transformation: DX Study" for the "EGCO Rayong" Industrial Estate Project which seeks to jointly develop an appropriate technology and smart system plan in this industrial estate HITACHI Design Phase. Shareholders: EGCO 100% JEGCO for MOU Signing Ceremony "Digital Transformation Study" Smart & Green EGCO Rayong Industrial Estate Electricity Geting Putee Company Limited Asia (Tha Huc Ener 2002 21#222 INNOVATION BUSINESS: OPPORTUNITIES TO CLEAN ENERGY EGCO signs MOU for Clean Energy with Saudi Arabia's Ministry of Investment YEARS 33 EGCO GROUP MOU for Clean Energy OPOWER Memorandum of Understanding for Clean Energy Initiative RATCH EGCO tricity Generating Public Company Limited RATCH Group Public Company Limited EGAT International Company Limited INNOPOWER Company Limited POWER دارة الاستثمار Memorandum of Understanding for Clean Energy Initiative RATCH EGCO Ministry of Investment (tricity Generating Public Company Limited RATCH Group Public Company Limited EGAT International Company Limited INNOPOWER Company Limited Virtual Signing Ceremony Memorandum ofderstanding RATCH EG blic Company Limit Company Limited Company Limited mpany Limited for C Virtual Signing Ceremony Memorandum of Understanding tiative for Clea RATCH EGCO MiniPublic Company Limited Company Limited Company Limited ارة الاستثمار Ministry of investment On 17 November 2022, EGAT Group have signed the Memorandum of Understanding on Clean Energy with the Ministry of Investment of Saudi Arabia The MOU aims to promote collaboration on energy transition, EV ecosystem, operation and maintenance service, and other related operations to achieve the two countries' goal of decarbonization. Clean Energy Key Benefits III Another Driving Force to Help Thailand to Achieve Carbon Neutrality Accelerate the Concrete Achievement of Decarbonization Policy More Chances for Selecting products of Clean Energy The Company is confident in seeking and gaining additional opportunities for clean energy with leading company in Thailand 22#233 CORPORATE GOVERNANCE CONSISTENCY RISING STAR Sustainability Excellence 2021 Sustainability Award Silver Class 2022 S&P Global YEARS •JEGCO GROUP TRIS RATING A Strategic Partner of S&P Global THS THAILAND SUSTAINABILITY INVESTMENT 2022 Member of Dow Jones Sustainability Indices Powered by the S&P Global CSA บาน บ SET National (C Cntrauitlee A Thai Institute of Directors Achieved Rising Star Sustainability Awards by SET EGCO received Rising Sustainability Awards for SET market capitalization of over Baht 100 BN in 2021 Silver Class Distinction in Sustainability Award from S&P Global in 2022 EGCO was rated Silver Class and ranked in the world's top 10 in the category of Electric Utilities from the S&P Global Sustainability Award and was selected in the Sustainability Yearbook 2022 from S&P Global Assessment Rated AA+ with Negative Outlook by TRIS EGCO received AA+ rating with Negative outlook by TRIS rating in 2022 Listed SETTHSI for 8th Consecutive Year EGCO listed THSI (Thailand Sustainability Investment) 2022 for the 8th consecutive year Listed 2022 DJSI for 3rd Consecutive Year EGCO Group listed as DJSI member in emerging markets index in Electric Utilities category for 3rd consecutive year in 2022 Excellent Rating on CGR from IOD EGCO continues to receive an excellent rating on Corporate Governance Report of Thai LISTED COMPANIES (CGR) with a total score of 97 points from a survey by Thai Institute of Directors in 2022 23#243 CORPORATE GOVERNANCE CONSISTENCY EGCO has a strong journey in sustainability • ENVIRONMENTAL Responsible to Climate Change • . SOCIAL Implement Human Capital Mgmt. Create Talent Attraction and Retention Support Occupational Health and Safety 7 GOVERNANCE • Operate businesses in accordance with Corporate Governance principles YEARS 33 EGCO GROUP 2003 • Introduced the first code of conduct • Operated the first 2000 Signed the first PPA on a biomass power biomass power plant plant 2010 2002 Established the Thai Conservation of Forest Foundation 2007 Publication of EGCO Group's first SD Report Declaration of Anti-Corruption Operated the first hydro power plant S • 2015 • Member of Thailand's Private Sector Collective Action Coalition Against Corruption Listed in SET THSI Index 2019 Invested in Fuel • 2021 • Cell Power Plant Invested in Oil Pipeline distribution business Listed in DJSI Emerging Markets Index - 2nd consecutive year Member of Dow Jones Sustainability Indices Powered by the S&P Global CSA Listed in SET THSI Index - 7th consecutive year THS THAILAND INVESTMABILITY 2021 Operated the first 2012 • • solar power plant Achieved 10% RE portfolio 2014 Operated the first geothermal power plant 2011 Publication of the first SD Report in accordance with Global Reporting Initiative 2013 Operated the first wind power plant THSI THAILAND SUSTAINABILITY INVESTMENT 2015 2018 • Organized the first • supplier day and Innovation Team Challenge Achieved 20% RE portfolio 2020 Listed in DJSI Emerging Markets Index Member of Dow Jones Sustainability Indices Powered by the S&P Global CSA 2022 Silver Class Distinction in Sustainability Award from S&P Global SET THSI Index for 8th consecutive year Sustainability Award Silver Class 2022 S&P Global THSI THAILAND SUSTAINABILITY INVESTMENT 2022 DJSI for 3rd Consecutive Year Member of Dow Jones Sustainability Indices Powered by the S&P Global CSA 24#253 CORPORATE GOVERNANCE CONSISTENCY EGCO Group continues to carry out Corporate Governance and CSR activities in order to return to society and environment TRIS RATING A Strategic Partner of 6&P Globel EGCO Group Rated "AA+" with "Negative" Outlook in 2022 H₂ Hydrogen M THSI THAILAND SUSTAINABILITY INVESTMENT 2022 เอ็กโก กรุ๊ป ได้รับคัดเลือกเป็น “หุ้นยั่งยืน ประจําปี 2565 ต่อเนื่องปีที่ 8 " กระทรวง สาหกรรม Industry รางวัลอุตสาหกรรม ประจำปี พ.ศ THE PRIME MINIST NDUST VARD 20 YEARS •EGCO GROUP กโก กรุ๊ป คว้า 2 รางวัลด้าน Co ะดับประเทศและระดับอาเซียน สะท้อนการกำกับดูแลกิจการที่ดีตามมาตรฐานสากล AAAAA ASEAN CORPORATE GOVERNANCE EGCO Group Assigned "AA+" Company Rating for 2nd Year in a Row This emphasizes the Company's position as a major sustainable Thai power generation and energy company with a well-diversified fuel portfolio for power generation, outstanding track records, reliability of cash flow and strong liquidity EGCO Received THSI Award for 8 consecutive year This reflects that EGCO Group places an emphasis on sustainable business operations in accordance with ESG principles, focusing on building business growth, under the principles of good corporate governance and living in harmony with the environment, community and society. Awarded "The Prime Minister Industry Award 2022" Khanom Electricity Generating Company Limited, a subsidiary of Electricity Generating Public Company Limited or EGCO Group was awarded "The Prime Minister's Industry Award 2022" for being a model powerplant to support the environment and to coexist sustainably with society. EGCO Group Received 2 Awards for Corporate (CG) The awards include "excellent" CGR assessment score from the "Corporate Governance Report of Thai listed companies - CGR" project and ASEAN CG Scorecard. This emphasizes the Company's sustainable business operations under good governance principles, which is consistent with international standards 25#26YEARS EGCO 2023 OUTLOOK 35 EGCO GROUP COD of Power plants TPN fully operate in Q2/2023 Additional 22 Turbines (176 MW) for Yunlin Holding GmbH Additional APEX COD 1,182 MW +1,000 MWe Investment 30,000 MB Seeking For Alternative Energy Join hands with partners to enhance the use of alternative fuels (hydrogen, ammonia) to reduce carbon emission О Signing MOU with Saudi Arabia Working with Bloomenergy Signing MOU with JERA Signing MOU with Doosan Enerbility Co., Ltd Increasing efficiency of powerplant and implementing carbon capture technologies (CCUS) to reduce carbon emission New Investment for Growth . Secure conventional power project Seeking and securing RE opportunities • Study small modular reactor New Opportunities for green energy *Base year 2020 Road Towards Carbon Neutral by 2050 Reduce carbon intensity by 10%* by 2030 Expand RE capacity to 30%* by 2030#27AGENDA EGCO Strategic Direction and Company Overview 2 EGCO's Strategy And Outlook 3 EGCO FINANCIAL PERFORMANCE YEARS * 35 EGCO GROUP#282022 VS 2021 KEY FINANCIAL HIGHLIGHTS Total Revenue Profit Sharing Operating Profit • 65,344 MB +55% YOY In 2022, the Company recorded the total revenue of THB 65,344 million, increased by THB 23,251 million or 55% from 2021 • This is because the increase in revenue of IPP power plants, especially KN4 and QPL 10,913 MB +41% YoY 11,797 MB +15% YoY Net Profit Ratio 5.1% -2.7% YoY YEARS 33 EGCO GROUP • • In 2022, the Company recorded the profit sharing of THB 10,913 million, increased by THB 3,156 million or 41% from 2021 This is because the increase in revenue of PP power plants, especially PAJU ES and SBPL, and other related business, MME. . • In 2022, the Company recorded the operating profit of THB 11,797 million, increased THB 1,579 million or 15% from 2021 The increase is corresponding to the higher electricity sales volume of IPP and PP power plants • In 2022, Net profit ratio was 5.1% slightly decreased from 7.8% in 2021 28#29OPERATING PROFIT OF OPERATING ASSETS: BREAKDOWN YE/2022 (Excluding holding company and under construction projects) YEARS EGCO GROUP Domestic 25% or 4,454 MB Overseas 75% or 13,108 MB Others 1,278 MB 7% GEC, Cogen, KLU, and BPU BLCP 226 MB APEX 259 MB 197 MB NT1PC Renewable 29% By Fuel Type 17,562 MB* 124 MB 1% Linden 68 MB 64% Conventional 11,240 MB 1% SBPL 1,100 MB (inc. APEX) 5,044 MB 2% 1% 6% 21% 7% QPL 3,728 MB 7% Total in GPG 7% YE/2022 17,562 MB* VSPP 930 MB 44 SPP 538 MB 18% 1,132 MB 7% PAJU ES 3,159 MB Others 1,278 MB 3% 5% NTPC 7% 1,233 MB 10% 12% Renewable (Overseas) By Business 2,157 MB 17% Renewable (Domestic) 1,271 MB KEGCO 1,630 MB Line 17,562 MB* IPP 2,988 MB 68% Other Business 1,278 MB Overseas (inc. APEX) 11,828 MB Note: Operating Profit = Profit before FX, Deferred Tax, TFRIC 4, Impact of Financial Instruments and Impairment Operating Profit = operating profit of operating asset - holding company - under construction (2022: 11,797 = 17,562 - 5,717 -48) 29#30OPERATING PROFIT OF OPERATING ASSETS In 2022, Operating Profit increased by THB 2,769 million or 18.7% from 2021 mostly contributing from profit sharing of JV and higher sales of overseas and other related businesses Operating Profit Breakdown by Business Type* Unit: Million Baht -8.0% YoY -24.1% QoQ +18.7% YoY Operating Profit Breakdown by Power Plant Type* Unit: Million Baht +18.7% YoY YEARS EGCO GROUP 17,562 17,562 7% Others 5% VSPP 14,793 14,793 3% SPP 5% Profit Sharing from -8.0% YoY 8% 17% IPP 9% 62% investment in 53% JV 17% -24.1% QoQ 68% Overseas 61% 4,214 4,214 3,475 3,198 47% 38% 40% 60% 44% Operating profit from subsidiaries 9% 8% 3,475 5% 5%4%3% 3,198 20% 12% 8% 23% 6% 18% 69% 60% 40% 67% 56% 56% Q4/21 Q3/22 Q4/22 2021 2022 Q4/21 Q3/22 Q4/22 2021 2022 Note: Operating Profit = Profit before FX, Deferred Tax, TFRIC 4, Impact of Financial Instruments and Impairment Operating Profit = operating profit of operating asset - holding company - under construction (2022: 11,797 = 17,562 - 5,717 - 48) 30#31OPERATING PROFIT AND NET PROFIT Operating Profit Unit: Million Baht Unit: Million Baht 1,364 113 128 11,797 11,797 (26) 10,218 2,963 Net Profit (7,330) (2,363) 528 (1,394) YEARS 35 EGCO GROUP 989 2,683 (2,507) Q4/2021 2021 Change of Operating Performance Change of AP New New pjects Projects Change of AP Under Construction Under... Q4/2022 QB/ZUZZ Shan investment 2022 Gain on Gain on nad Loss from Impairment Operating disposal of development loss Profit on assets project Impact from Financial Instruments Deferred Tax Income ProLoss From Exchange Impact of Lease 2022 Net Profit Income in associates Rate Operating Profit in 2022 was THB 11,797 million, increased by THB 1,579 million or 15% from 2021 mainly due to the increase in profit of: Overseas power plants, especially PAJU ES, which the profit significantly increased during Q1/2022. • Other related businesses such as MME due to the higher export of coal and coal unit price Net Profit in 2022 was THB 2,683 million. The significant details are as follows: The Impacts of non-recurring items: • 1. Share of loss from development project of THB 7,330 million mainly due to the extension of construction period of Yunlin 2. Disposal of investment in Star Energy Geothermal Pte. Ltd. and Star Phoenix Geothermal JV B.V. during Q4/2022, causing the gain of THB 2,963 million. A high unrealized loss from foreign exchange, resulting from the conversion of foreign denominated debt to Thai Baht 31#32NATURAL HEDGING POLICY EGCO's Natural Hedging Policy 79% of EGCO's outstanding loans is denominated foreign currencies which are matched with revenue from power plants received as dividend, also known as "Natural Hedge" Strategy EGCO continues the Natural Hedge policy because the FX Gain/loss incurred is unrealized which only affects to accounting • • All investments and gains are managed in the domestic currency thus EGCO does only experiences unrealized FX Gain/Loss Gains in domestic currencies are used to seek for new projects for investments YEARS 35EGCO GROUP EGCO & Subsidiaries Outstanding Loan (EGCO Portion) Unit: Million Baht -5.2% 119,650 113,382 20% THB 21% 3% AUD 3% 13% EUR 15% 63% USD 61% Example: Interest & Payment Payment 30-Sep-22 30-Dec-22 Bank Loan Company Sales Customers Loan Currency 30 Sep 22 30 Dec 22 +/-% USD USD USD No gain/loss from foreign exchange EUR 1,995 428 1,990 -0.25% 466 +8.88% THB F/S AUD UNREALISED gain/loss from foreign exchange THB 151 24,011 151 23,386 -2.60% Moving Forward, the Company has plans to adjust the EGCO group debt structure as masterplan Note: FX as of Sep 22 (USD = THB 38.07, EUR = THB 37.58, AUD = THB 25.06) FX as of Dec 22 (USD = THB 34.73, EUR = THB 37.21, AUD = THB 23.79) 32#33CONSOLIDATED FINANCIAL POSITION Unit: Million Baht BALANCE SHEET Total Assets +5.0% YoY Total Liabilities and Equity +5.0% YoY YEARS 35 EGCO 254,043 Cash and Cash 7% equivalent 241,932 241,932 17,898 37,458 15% 254,043 31,373 12% Total current liabilities 11% 27,019 Other current asset Lease Receivable 8% 20,597 24,191 9% 7% 15,744 15,358 37% 6% LT Loan from financial institutions 37% 89,747 94,026 PPE 21% 49,597 48,160 19% 3% 5% 11.129 7.847 Other non-current liabilities 138,096 51% Other non-current 57% asset 128,876 47% 114,037 120,797 48% Total equity 31 Dec 2021 31 Dec 2022 Total Assets as of 31 Dec 2022 were THB 254,043 million, increased by THB 12,111 million or 5% from 31 Dec 2021. The details are as follows: • Current Assets increased by THB 23,153 million due to an increase in cash and cash equivalents of THB 19,561 million and trade receivable of THB 3,063 million ⚫ PPE decreased by THB 1,437 million, mainly due to asset depreciation Other non-current asset decreased by THB 9,220 million mainly due to investment in associates and joint venture from the divestment of investment in associates. 31 Dec 2021 31 Dec 2022 Total Liabilities as of 31 Dec 2022 were THB 133,246 million, increased by THB 5,351 million or 5% from 31 Dec 2021. The details are as follows: • Current liabilities increased by THB 4,354 million due to an increase in trade payable and trade payable to a related party and other current liabilities. Non-current liabilities increased by THB 997 million due to LT Loan from financial institutions for investment, increased by THB 4,278 million Total Equity as of 31 Dec 2022 was THB 120,797 million, increased by THB 6,760 million or 6% from 31 Dec 2021 mainly due to an increase in other components of equity GROUP 33#34KEY CONSOLIDATED FINANCIAL RATIO Unit: Times Debt to Equity Ratio Current Ratio Unit: Times 1.09x 1.12x 1.10x 2.14x 2020 Unit: % 2021 Gross Profit Ratio 2022 2020 28.88% 27.04% 20.83% Unit: THB 16.59 1.42x 2021 Net Profit per Share Unit: % Operating Profit Ratio 28.14% 1.97x 26.19% 23.91% 2022 2020 Unit: THB 2021 2022 Book Value per Share 7.80 5.10 194.21 228.87 215.48 2020 2021 2022 2020 2021 2022 2020 2021 2022 YEARS EGCO GROUP 34#35HISTORICAL DIVIDEND PAYMENT 4.90% 3.48% YE2022 4.13% 4.01% * 3.82% 3.58% 3.50% 3.14% 3.25% 3.01% 2.81% 9.50 7.00 6.50 6.25 6.25 6.00 6.00 2.50 YEARS 35 EGCO GROUP Dividend Yield (%) Unit: Baht/Share 6.50 6.50 6.50 6.50 Special Payment 3.50 3.50 Second 3.25 3.25 3.25 3.25 3.50 3.25 3.25 Payment 3.25 3.25 3.50 3.50 3.25 3.25 3.25 3.25 Interim Payment 2.75 2.75 3.00 3.00 3.00 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 *Dividend yield of 2022 divided by the EGCO's close price as of March 2, 2023 35#36For further information, Please contact Investor Relations 02-998-5150, 5151, 5152 & 5153 [email protected] f EGCO Group 33EGCO GROUP Disclaimer This presentation was made from the analysis of reliable information in order to assist investment community to better understand the company's financial status and operation. It also supports the "Good Corporate Governance Project" of the Securities and Exchange Commission (SEC). However, the information within this presentation has been derived from the existing factors in the present time. Therefore, the forward-looking information on this presentation may not occur in the future if the aforementioned factors or situations are changed. Investors are, nevertheless, required to use their own discretion regarding the use of information contained in this presentation for any purpose. For further information, please contact Investor Relations Section of the Electricity Generating Public Company Limited (EGCO) at Tel: (662) 998-5150, 5151, 5152 & 5153 or Email: [email protected]#37APPENDIX YEARS * 35 EGCO GROUP#38EGCO Group's Operating Power Plants Portfolio EGCO Group's portfolio comprises 31 power plants, total contracted capacity 6,201.61 MWe including total contracted capacity of renewable power plant 1,248.33 MWe. Province/Country Fuel Type Plant Type EGCO Shares Contract Contracted Capacity (MW) Attrib. Capacity (MWe) Years As of February 28, 2023 COD Expired Power Plant IPP KEGCO (KN4) GPG (KK2) Nakhon Si Thammarat Saraburi BLCP Rayong Natural Gas Natural Gas Coal Combined Cycle Combined Cycle Thermal 100.00% 50.00% 930.00 930.00 25 Jun 19, 2016 2041 1,468.00 734.00 25 May 5, 2007 & Mar 1, 2008 2032 & 2033 50.00% 1,346.50 673.25 25 Oct 1, 2006 & Feb 1, 2007 2032 Total IPPs 3,744.50 2,337.25 SPP EGCO Cogen KLU Rayong Pathum Thani Natural Gas Natural Gas BPU Unit 1&2 Ratchaburi Natural Gas Cogeneration Cogeneration Cogeneration 80.00% 116.32 93.06 21 Jan 28, 2003 2024 100.00% 102.00 102.00 25 Jul 19, 2017 2042 100.00% 215.00 215.00 25 Oct 1, 2017 2042 Total SPPs 433.32 410.06 Renewable (Domestic) NED Lop Buri Solar PV Solar PP 66.67% 63.00 42.00 SPP2 Saraburi Solar PV Solar PP 100.00% 8.00 8.00 SPP3 Si Sa Ket Solar PV Solar PP 100.00% 8.00 8.00 5 (Automatic Renewal) 5 (Automatic Renewal) 5 (Automatic Renewal) Mar 29, 2012 & May 2, 2013 2037 & 2038 May 2, 2012 2037 Feb 21, 2012 2037 Si Sa Ket / Ubon SPP4 Solar PV Solar PP 100.00% 6.00 6.00 5 (Automatic Renewal) Jan 24, 2012 2037 Ratchathani SPP5 Roi Et Solar GYG Yala Parawood PV Solar PP Thermal 100.00% 8.00 8.00 5 (Automatic Renewal) Jun 22, 2012 2037 50.00% 20.20 10.10 25 Nov 28, 2006 2031 Nakhon Sawan / GPS Solar PV Solar PP 60.00% 26.00 15.60 5 (Automatic Renewal) Mar 1-5, 2012 & Feb 1, 2013 2037 & 2038 Chai Nat Phetchabun TWF Chaiyaphum Wind CWF Chaiyaphum Roi-Et Green Roi Et Wind Rice Husk Wind Turbine Wind Turbine Thermal 100.00% 6.90 6.90 5 (Automatic Renewal) Jul 18, 2013 2038 100.00% 80.00 Solarco Nakorn Pathom / Suphan Buri Solar PV Solar PP Total Renewable (Domestic) 291.90 70.30% 49.00% 8.80 80.00 6.19 5 (Automatic Renewal) Dec 16, 2016 2041 21 May 29, 2003 2024 57.00 27.93 5 (Automatic Renewal) Nov 18, 2013 & Dec 16, 2013 2038 218.72 YEARS EGCO GROUP 38#39EGCO Group's Operating Power Plants Portfolio EGCO Group's portfolio comprises 31 power plants, total contracted capacity 6,201.61 MWe including total contracted capacity of renewable power plant 1,248.33 MWe. As of February 28, 2023 Power Plant Country Fuel Type Plant Type EGCO Shares Contracted Capacity (MW) Attrib. Capacity (MWe) Contract Years COD Expired Renewable (Overseas) NTPC Laos BRWF Australia Hydro Wind Hydro PP 35.00% Wind Turbine 100.00% 1,070.00 113.00 374.50 113.00 25 XPCL Laos Hydro Hydro PP 12.50% 1,280.00 160.00 29 222 25 Apr 30, 2010 Nov 28, 2014 29 Oct, 2019 2035 Nov 2039 Oct 2048 Gangdong South Korea Fuel Cell Renewable 49.00% 19.80 9.70 Yunlin (Partial COD) Taiwan Offshore Wind Renewable 25.00% 128 32 20 2020 2021-2023 2041-2042 APEX - Mulligan Solar USA Solar Renewable 17.46% 70 12.22 APEX-Great Pathfinder USA Wind Renewable 17.46% 224 39.11 2022 23-Feb-23 NT1PC(EGAT and EDL) Laos Hydro Hydro PP 25.00% 644.30 161.08 27 2022 2049 Total Renewable (Overseas) 3,549.10 901.61 Overseas QPL Philippines PAJU ES South Korea SBPL Philippines Coal Natural Gas (LNG) Coal Thermal 100.00% 460.00 460.00 25 25 May 30, 2000 Jun 2025 Combined Cycle 49.00% 1,822.96 893.25 Feb 1, 2017 & Mar 28, 2017 Thermal 49.00% 455.00 222.95 20 Sep 26, 2019 Sep 2039 Linden Cogen USA Natural Gas Combined Cycle 28.00% 972.00 272.16 RISEC USA Natural Gas Combined Cycle 49.00% 609 298.41 May 1992 & Jan 2002 Nov 2002 2025 Total Overseas 4,318.96 2,146.77 Total Operating Projects 12,337.78 6,014.41 YEARS EGCO GROUP 39#40EGCO Group's under Construction Projects Portfolio EGCO Group's portfolio comprises 31 power plants, total contracted capacity 6,201.61 MWe including total contracted capacity of renewable power plant 1,248.33 MWe. Power Plant under Construction YEARS 33 EGCO As of February 28, 2023 GROUP Power Plant EGCO Province/Country Fuel Type Plant Type Contracted Capacity (MW) Attrib. Capacity (MWe) Years COD Expired Shares Taiwan Wind Renewable 25.00% 512 128 20 2023-2024 2042-2043 Yunlin (Partial) EGCO Cogen Replacement Rayong Natural Gas Cogeneration 80.00% 74.00 59.20 25 2024 2049 Total Under Construction 586.00 Total Renewable 4,353.00 187.20 1,248.33 Total projects 12,923.78 6,201.61 Other Business under Construction Project Province/Country Business Type EGCO Shares Completion Date Capacity (Million Liters) TPN Saraburi to Khonkaen Oil transportation 44.6% Q2/2023 5,443 Rayong industrial estate Rayong Industrial estate 100.00% Q4/2023 40#41Maintenance in 2023 : Plan : Actual YEARS 35 EGCO GROUP 2021 2022 2023 Project Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 QPL 10D 13D 48D 30D SBPL NTPC 15D 74D 22D 19D 30D Unit2:12D, XPCL U3:17D,U4: 13D,U5:12D Unit1:12D Unit6:12D Unit3:47D Unit1:24D Unit3:7D Unit7:15D PAJU ES 20D 2D Linden Cogen Unit4: 4D Unit1:1D, U3: 5D,U4: 7D, U5: 22D,U6:2D Unit6:7D Unit2:75D NT1PC Unit 1:14D Unit 2:28D 10D 9D 10D 45D 48D Unit1:12D Unit2:17D Unit3:12D Unit4:15D Unit6:23D Unit7:11D Unit 3:14D Unit 3:45D Unit 6:2D Unit 6:61D Unit 4:39D Unit 6:10D Unit 4:1D Unit 5:28D Unit 6:7D 31D Unit 1:8D Unit 1:37D Unit 6:7D Unit 1(EGAT) : 5D Unit 2(EGAT) : 5D 41#42Maintenance in 2023 : Plan : Actual YEARS 35 EGCO GROUP 2021 2022 2023 Project Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 BLCP 14D 26D Unit1:40D Unit2:41D Unit1:17D KEGCO Unit1: 43D Unit2: 45D Unit1: 14D Unit2: 12D GPG 7D Unit2: 37D Unit 2: 10D Unit1:37D Unit1:20D Unit2:11D Unit2:7D EGCO Cogen KLU 11D BPU 28D 28D 4D Unit 1:2D, Unit 2:2D Unit 1:2D, Unit 2:2D Unit 1:4D Unit 1:39D 3D Unit 1:6D Unit 2:6D 42#43EGCO Group's Power Plants Portfolio (1994 - 2024) MWe - SCC ■Conal-WMPC - BLCP GYG QPL ■ MPPCL - SEG - CWF KEGCO (KN4) ■ MPPCL⭑ 1,070 MWe ■ Paju -XPCL ■ SBPL 1,276 MWe Gangdong 10 MWe Yunlin ▪ Linden ■ Yunlin ■ APEX YEARS 35 EGCO - NT1PC -CWF (10%) -TWF (10%) RISEC (49%) 500 MWe ■ Yunlin ■ APEX 83 MWe 460 MWe NTPC 375 MWe - SPP2-5 - GPS 46 MWe ■ BRWF - GIDEC NED - TWF 403 MWe 21 MWe ■ Solarco 280 MWe 34 MWe NED* 21 MWe ■ KLU 5,971 6,054 ■ BPU 452 MWe 5,475 5,423 5,646 ■ Salak ■ Darajat 6,202 GROUP -Yunlin EGCO Cogen Replacement 147 MWe 6,500 RYPP 6,000 1,232 MWe 5,500 KEGCO (KN1,2&3) 5,000 824 MWe GCC 4,500 55 MWe 4,000 3,500 683 MWe ■Conal SPPC 86 MWe 3,778 GPG (KK2) 4,120 4,610 4,556 4,602 4,607 734 MWe 4,571 4,260 EGCO Cogen Roi-Et Green 4,236 3,776 3,776 3,799 100 MWe NKCC 62 MWe 3,042 3,000 2,500 2,056 2,056 2,111 2,197 2,259 2,259 2,259 2,358 2,358 2,358 2,000 1,500 1,232 1,232 1,000 500 0 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 -500 2020 2021 2022 2023 NKCC 2024 KEGCO -1,000 -1,500 ■ *Addition (KN1) ■Renewable Energy Retired KEGCO (KN2&3) Retired 57 MWe SCC 75 MWe RYPP Retired 749 MWe Retired 57 MWe GCC Retired 1,232 MWe Retired 55 MWe STAR SEG, SEGSD Divestment 175.29 MWe ■ MPPCL ■Conal- WMPC ■Conal SPPC Divestment 29 MWe ■ GIDEC Divestment 312 MWe 43#44Thailand's Power Industry: As of January 2023, Thailand's power installed Capacity was 49,144.80 MW Source: EGAT Па EGAT 16,920 MW Import 6,235 MW Classified by Producer 34% 34% 13% 19% IPP 16,749 MW Hydro 4,510 MW Classified by Fuel type 15% Coal 3,857 MW 8% 9% 費 SPP 9,241 MW Other* 7,346 MW Other* include Fuel Oil, Diesel, Renewable 68% Natural Gas 33,431 MW YEARS 33 EGCO GROUP 44#45Peak Demand Comparison (EGAT System Only) As of 2023, Thailand's Peak Demand was 25,895.60 MW YEARS 33 EGCO GROUP MW 35,000 Peak in 2023 19.71% 30,000 32,254.50 MW (Apr 27, 2022) 30,853.20 MW (May 2, 2019) 25,000 25,895.60 MW (Jan 12, 2023) 28,636.70 MW (Mar 12, 2020) 30,135.30 MW (Apr 3, 2021) 2019 2020 -2021 2022 -2023 20,000 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec MW 29,620 30,000 24,010 26,121 26,942 28,338 28,637 30,135 32,255 25,896 20,000 26,598 27,346 28,578 30,853 23,900 10,000 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 Source: EGAT 45