EXAT-AnnualReport2021_EN

ANNUAL REPORT 2021 Executive Committee of the Expressway Authority of Thailand (Continued) Name/Agency Position Term of office Noa. t(otTfeiMmndeeee)tding aMll(oBewaehatintn)cge 3. Pichet Kunathammarak Deputy Director-General, Member Oct 22, 2020-Sep 30, 2021 11/11 110,000 Department of Rail Transport Member (By the order of the EXAT Board 12/12 120,000 4. Mr. Surachet Laophulsuk Secretary 11/12 Governor, The Expressway Assistant of Directors No. 20/2563, 12/12 - Authority of Thailand Secretary dated Nov 6, 2020) - 5. Mrs. Sujinda Jaruchit Aug 3, 2020-Sep 30, 2020 Director of the Office of (By the order of the EXAT Board the Governor Expressway of Directors No. 9/2563, dated Authority of Thailand 6. Mrs. Kulkanya Tumsen July 31, 2020, and the order Director of the General Affairs of the EXAT Board of Directors and Conference Division, No. 20/2563, dated Nov 6, 2020) The Office of the Governor, The Expressway Authority of Nov 8, 2018-Sep 30 2021 Thailand Experts (Administration) (By order of the EXAT Board of Directors No. 24/2561, dated Oct 29, 2018 and the order of the EXAT Board of Directors No. 5/2562, dated Jul 9, 2019) Dec 26, 2018-Jan 20, 2021 (By the order of the EXAT Board of Directors No. 24/2561, dated Oct 29, 2018 and the order of the EXAT Board of Directors No. 5/2562, dated Jul 9, 2019) Feb 22, 2021-Sep 30, 2021 (By the order of the EXAT Board of Directors No. 5/2564, dated Mar 11, 2021) Source : General Affairs and Conference Division, Office of Governor as of September 30, 2021 Remark : Meeting allowances conform to the cabinet resolution on April 24, 2019 as follows. - The Board member would receive the meeting allowance of 10,000 baht per month. In contrast, the chairperson of the Board of enterprises appointed would receive 25% higher than the board members and the board members will be responsible for their own income tax incurred. - Sub-committees, working groups, or any other party appointed by statutory provisions, cabinet resolution, or by a member of State Enterprise Board shall receive remuneration as follows : for State Enterprise members, the meeting allowance shall be paid per the number of sessions attended at the same rate as State Enterprise members. The meeting allowance paid for sub-committee, working group, or any other party shall not be more than two parties and not more than once a month per party. The chairperson shall receive 25% higher than the members. All members would be responsible for income tax on their own. 49

Expressway Authority of Thailand Authorities and Duties of Executive Committee 1. To consider the financial and investment policy of EXAT, study and formulate guidelines on both short and long-term management to any problem that may affect Expressway Authority of Thailand’s financial status and any related responsibilities. 2. To consider and screen the annual expenditure budget of the Expressway Authority of Thailand for proposal to the EXAT’s Board of Directors for approval. 3. To consider and screen any purchase, procurement, and engagement of consultant that was in the Board of Directors’ authority under Government Procurement and Supplies Management Act B.E. 2560 (2017) for proposal to the EXAT’s Board of Directors for approval. 4. To scrutinize a reserve fund for an emergency situation, the value of over 8 million baht following Regulations on Investment Budget of State Enterprises B.E. 2550 (2007), and to consider and screen a reserve fund in the event of any change of price over 10% of the approved budget to propose to the EXAT’s Board of Directors for approval. 5. To consider compensation for the property as prescribed by immovable property expropriation law, which is determined by the Committee for setting introductory price and compensation for immovable property to be expropriated, which amounted to over 100 million baht per person to propose to the EXAT’s Board of Directors for approval. 6. To consider EXAT’s regulations to propose to the EXAT’s Board of Directors for approval. 7. To consider other screen matters to be presented to the EXAT’s Board of Directors. 8. To consider other matters assigned by Expressway Authority of Thailand. Sub-committee for Development and Management of Expressway Right-of-Way Name/Agency Position Term of office Noa.t (otTfeiMmndeeee)tding aMll(oBewaehatintn)cge 1. Ms. Trithip Sivakriskul Chairperson Oct 22, 2020-Present 14 157,500 2. Mrs. Somsakul Vinichbutr Member Oct 22, 2020-Present 14 126,000 3. Vice Admiral Suvin Jangyodsuk Member Oct 22, 2020-Present 7 63,000 4. Mr. Surachet Laophulsuk Member Oct 22, 2020-Present 13 117,000 5. Mr. Trin Kaenhiran Member Apr 22, 2021-Present 5 45,000 6. Mr. Pramonrat Chinnarong Secretary Oct 22, 2020-Present 14 - 7. Mr. Pisan Thaisom Assistant Oct 22, 2020-Present 13 - Secretary Source : Property Development and Right of Way Maintenance Division 1, Land Acquisition Department as of September 30, 2021 50

ANNUAL REPORT 2021 Authorities and Duties of Sub-committee for Development and Management of Expressway Right-of-Way 1. To provide additional suggestions or comments on property development and management of right-of-way utilization. 2. To consider renting or awarding any rights in EXAT’s property whose value is more than one hundred million baht or its rental period is over five years. The exemption of awarding those mentioned to governmental agencies before submission to the EXAT’s Board of Directors for consideration. 3. To consider permission to lease space in every new expressway area. 4. To consider other matters assigned by the EXAT’s Board of Directors. Sub-Committee for Legal Affairs Name/Agency Position Term of office Noa.t (otTfeiMmndeeee)tding aMll(oBewaehatintn)cge Oct 22, 2020- 4/5 12,500 1. Mrs. Pongsaward Guyaroonsuith Chairperson Sep 30, 2021 Deputy Secretary-General of Member Oct 22, 2020- 5/5 10,000 the Council of State Member Sep 30, 2021 2. Mr. Sumeth Sangsiri Member Oct 22, 2020- 4/5 10,000 Executive Director of Bangkok Sep 30, 2021 Mass Transit Authority Member Oct 22, 2020- 5/5 10,000 3. Mr. Chanin Kaenhiran Member Sep 30, 2021 Director of the Port Authority of Thailand/Civil Aviation Board Member Oct 22, 2020- 4/5 10,000 4. Ms. Sasiporn Singtomart Member Sep 30, 2021 3/3 10,000 Provincial Attorney at the Office Apr 22, 2021- of the Attorney General, Sep 30, 2021 Office of Legal Counsel Oct 22, 2020- 4/5 10,000 5. Mr. Chumphon Boonprawet Sep 30, 2021 2/2 10,000 Attorney at the Office Oct 22, 2020- 3/3 10,000 of the Attorney General Sep 30, 2021 6. Ms. Bencharat Netipho Provincial Attorney at the Office, Oct 22, 2020- Attorney General, acting as an assistant Sep 30, 2021 Secretary Attorney General 7. Ms. Willy Amaraporn Director of Technology and Communication Law Division 8. Ms. Warapa Warasiri Director of Legal Affairs, Office of the Permanent Secretary, Ministry of Transport Mr. Praphrut Terbto Specialty Lawyer, Legal Affairs Division, Office of the Permanent Secretary, Ministry of Transport 51

Expressway Authority of Thailand Sub-Committee for Legal Affairs (Continued) Name/Agency Position Term of office Noa.t (otTfeiMmndeeee)tding aMll(oBewaehatintn)cge Member 9. Mr. Pramonrat Chinnarong Oct 22, 2020-Jan 20, 2021 - - Director of Land Acquisition Department, Acting Deputy Governor Jan 21-Jun 17, 2021 2/2 - for Law and Land Acquisition Mr. Pramonrat Chinnarong Jun 18, Sep 30, 2021 3/3 - Director of Legal Department, Acting Deputy Governor for Law Member Oct 22, 2020-Jan 20, 2021 - - and Land Acquisition Mr. Pramonrat Chinnarong Jan 21-Jun 17, 2021 2/2 - Deputy Governor for Law and Land Jun 18-Sep 30, 2021 3/3 - Acquisition 4/5 - 10. Mrs. Oranut Thinpangnga Member Oct 22, 2020-Sep 30, 2021 2/2 - Director of Legal Affairs Division, Member Oct 22, 2020-Jun 17, 2021 1/1 - Acting Director of Legal Department Mr. Pramonrat Chinnarong Jun 23-Jul 26, 2021 - Director of Legal Department - Mrs. Oranut Thinpangnga Jul 27-Sep 30, 2021 2/2 Director of Legal Department 5/5 - 11. Mr. Adisak Kongcharoen Member and Oct 22, 2020-Sep 30, 2021 - Director of Litigation Division Secretary 4/5 - 12. Mrs. Oranut Thinpangnga 2/3 Director of Legal Affairs Division Assistant Oct 22, 2020-Sep 30, 2021 2/2 Ms. Jiratti Lorjai Secretary Oct 22, 2020-Jul 26, 2021 Lawyer 7, Acting Director of Assistant Legal Affairs Division Secretary Jul 27-Sep 30, 2021 Ms. Jiratti Lorjai Director of Legal Affairs Division 13. Ms. Somrat Kitvilairattana Head of Administration Litigation Section 14. Ms. Wanaporn Suksaenkasem Head of Arbitration Section 15. Mr. Somsak Soontornsuk Head of Contract Section Mr. Pariwat Chanthawut General Administration Staff 6, Acting Head of Contract Section Source : Litigation Division, Legal Department as of September 30, 2021 52

ANNUAL REPORT 2021 Authorities and Duties of Sub-Committee for Legal Affairs The sub-committee is authorized to give suggestions or legal comments to the EXAT’s Board of Directors and perform other duties assigned by the EXAT’s Board of Directors. Sub-committee for Screening the Governor’s Action Plan and Assessment of the Governor’s Performance Name/Agency Position Term of office Noa.t (otTfeiMmndeeee)tding aMll(oBewaehatintn)cge 1. Mr. Sarawut Songsivilai Chairperson Oct 22, 2020-Present 3 37,500 Director-General of the (By the order of the EXAT Board 3 30,000 Department of Highways of Directors No. 22/2563, 3 30,000 dated on Nov 6, 2020) 3 30,000 2. Vice Admiral Suvin Chaengyodsuk Member Oct 22, 2020-Present Royal Thai Fleet Commander, (By the order of the EXAT Board Headquarter Royal Thai of Directors No. 22/2563, Fleet Commander Sattahip dated on Nov 6, 2020) District 3. APossl.isLtta. nGtenC.oSmommpisosniognCehr ingduang Member Oct 22, 2020-Present General, Royal Thai Police (By the order of the EXAT Board of Directors No. 22/2563, dated on Nov 6, 2020) 4. MOfrfsic. eJaotfutphoernPerNmiaamnesnutk Secretary, Ministry of Member Oct 22, 2020-Present Transport (By the order of the EXAT Board of Directors No. 22/2563, dated on Nov 6, 2020) 5. Mrs. Tasanuch Thammachot Secretary Oct 22, 2020-Present 3 - Deputy Governor for (By the order of the EXAT Board 3 - Administration of Directors No. 22/2563, 6. MDisre. cStiorirmoaf GCehnuearanlyu dated on Nov 6, 2020) Administration Department Assistant Oct 22, 2020-Present Secretary (By the order of the EXAT Board of Directors No. 22/2563, dated on Nov 6, 2020) Source : General Administration Department as of September 30, 2021 Authorities and Duties of Sub-committee for Screening the Governor’s Action Plan and Assessment of the Governor’s Performance The sub-committee is authorized to screen the Governor’s action plan, formulate the assessment criteria of the Governor’s performance, evaluate such performance in conformity with the employment contract for the position of the Governor of the Expressway Authority of Thailand, and perform other duties as assigned by the Board of Directors then, report the result to the Board of Directors for further consideration. 53

Expressway Authority of Thailand Sub-Committee for Good Corporate Governance Name/Agency Position Term of office Noa.t (otTfeiMmndeeee)tding aMll(oBewaehatintn)cge 1. Vice Admiral Suvin Chaengyodsuk Chairperson Oct 22, 2020-Sep 30, 2021 5/5 62,500 2. Mr. Sommai Lakkananurak Member Oct 1, 2020-Sep 30, 2021 5/5 40,000 3. Mrs. Panisara Duangsodsri Member Oct 22, 2020-Sep 30, 2021 5/5 50,000 4. Ms. Pieng-or Laohawilai Member Oct 22, 2020-Sep 30, 2021 4/5 40,000 5. Mr. Anucha Setthasathien Member Oct 22, 2020-Sep 30, 2021 5/5 50,000 6. Mr. Surachet Laophulsuk Member Oct 1, 2020-Sep 30, 2021 3/5 Governor, The Expressway - Authority of Thailand Member Oct 1, 2020-Sep 30, 2021 5/5 7. Mrs. Tasanuch Thammachot Member Oct 1, 2020-Sep 30, 2021 - Deputy Governor for Administration 5/5 8. Mrs. Sujinda Jarujit - Director of Office of the Governor 9. Mrs. Apinya Suntorntarawong Secretary Oct 1, 2020-Sep 30, 2021 5/5 - Director of Good Corporate Governance Division, Office of Governor 1 0 . MHesa. dPoorfnPtehrisponSnreislaAkfufalirs Assistant Oct 1, 2020-Sep 30, 2021 5/5 - Development Section, Secretary - Good Corporate Division, Office of Governor Assistant Oct 1, 2020-Sep 30, 2021 5/5 11. Ms. Usa Sithong Secretary Head of Activity Promotion for Society and Community Division, Good Corporate Division, Office of Governor Source : Good Governance Division as of September 30, 2021 Authorities and Duties Sub-Committee for Good Corporate Governance 1. To determine EXAT’s policy, strategy, goal, and operating plan for good corporate governance and corporate social responsibility. 2. To govern EXAT’s operation of good corporate governance and corporate social responsibility. 3. To regularly monitor EXAT’s operation and assess good corporate governance and corporate social responsibility. 4. To promote the dissemination of good corporate governance guidelines for thorough recognition. 5. To operate other matters concerning good corporate governance and social responsibility. 54

ANNUAL REPORT 2021 Risk Management Committee Name/Agency Position Term of office Noa.t (otTfeiMmndeeee)tding aMll(oBewaehatintn)cge 1. Mr. Sommai Lakkananurak Chairperson Jul 16, 2020-Sep 30, 2021 4/5 37,500 Director of the Expressway (By the order of the EXAT Board Authority of Thailand of Directors No. 6/2020, dated July 31, 2020) 2. Mrs. Pongsaward Guyaroonsuith Member Jul 16, 2020-Sep 30, 2021 2/4 20,000 Director of the Expressway (By the order of the EXAT Board Authority of Thailand of Directors No. 6/2020, dated July 31 2020) 3. Mrs. Panisara Duangsodsri Member Oct 22, 2020-Sep 30, 2021 4/4 40,000 Director (By the order of the EXAT Board of Directors No. 17/2563, dated Nov 6, 2020) 4. Assistant Professor Pongsak Member Oct 22, 2020-Sep 30, 2021 4/4 40,000 Keeratiwinthakorn (By the order of the EXAT Board Director of Directors No. 17/2563, dated Nov 6, 2020) 5. Mr. Surachet Laophulsuk Member Oct 22, 2020-Sep 30, 2021 2/4 10,000 Governor, The Expressway (By the order of the EXAT Board Authority of Thailand of Directors No. 17/2563, dated Nov 6, 2020) 6. Mr. Pramonrat Chinnarong Member Oct 22, 2020-Sep 30, 2021 2/4 - Director of Land Acquisition (By the order of the EXAT Board Department, Acting Deputy Governor for Law and Land Acquisition of Directors No. 17/2563, dated Nov 6, 2020) Director of Legal Department, Acting Deputy Governor for Law and Land Acquisition Deputy Governor for Law and Land Acquisition 7. Mr. Chatri Tansiri Member Oct 22, 2020-Sep 30, 2021 4/4 - Director Expressway Maintenance (By the order of the EXAT Board Department, Acting Deputy Governor for Construction and Maintenance, of Directors No. 17/2563 The Expressway Authority of Thailand dated Nov 6, 2020) Deputy Governor, Acting Deputy Governor for Strategy and Planning Deputy Governor for Construction and Maintenance 55

Expressway Authority of Thailand Risk Management Committee (Continued) Name/Agency Position Term of office Noa.t (otTfeiMmndeeee)tding aMll(oBewaehatintn)cge 8. Mr. Thitipan Panichprasatsin Member Jan 21-Mar 18, 2021 1/1 - Director Expressway Maintenance (By the order of the EXAT Department, Acting Deputy Governor Board of Directors No. 17/2563, for Construction and Maintenance dated Nov 6, 2020) 9. Mr.Gardphajon Udomdhammabhakdi Member Mar 22-Sep 30, 2021 2/2 - Deputy Governor for Strategy (By the order of the EXAT Board and Planning of Directors No. 17/2563, dated Nov 6, 2020) 10. Mr. Dumkerng Pankam Member Oct 22, 2020-Sep 30, 2021 4/4 - Deputy Governor for Operation (By the order of the EXAT Board of Directors No. 17/2563, dated Nov 6, 2020) 11. Mrs. Tasanuch Thammachot Member Oct 22, 2020-Sep 30, 2021 4/4 - Deputy Governor for Administration (By the order of the EXAT Board of Directors No. 17/2563, dated Nov 6, 2020) 12. Mr. Wichan Ekarintrakul Member Oct 22, 2020-Sep 30, 2021 2/4 - Advisor to governor (Administration), (By the order of the EXAT Board Acting Deputy Governor for Strategy and Planning of Directors No. 17/2563, Advisor to Governor (Administration), dated Nov 6, 2020) Expressway Authority of Thailand 13. Mr. Chai Gaewpeng Member Oct 22, 2020-Sep 30, 2021 1/1 - Assistant Governor, Expressway (By the order of the EXAT Board Authority of Thailand of Directors No. 17/2563, dated Nov 6, 2020) 14. Ms. Paradee Ngamwongse Member and Oct 22,2020-Sep 30, 2021 4/4 - Director of Risk Management and Secretary (By the order of the EXAT Board Internal Division, the Expressway of Directors No. 17/2563, Authority of Thailand dated Nov 6, 2020) Source : Risk Management and Internal Control Division as of September 30, 2021 Remark : The order of the Committee members’ name is listed according to the appointment order of the Risk Management Committee. Authorities and Duties of the Risk Management Committee RttaohfisfeeksceMotrrva1gtehn.a eanaTgiszoemaamatisifnoesraainnomlt’ynszteoeowofpaaovtenrhokrdaeidftaoiEostrxshnmepessraesl(noRspsasisowtgktebaemyUunsnetAiinnaiuvletetshrarisssonekordi)tps.yieptInmuooarfpattuilTdoonhdnyiaitsetyiileao.astnnt,tdohietinhioenerlcpgvlaeubnrdyuizeialasdtsiotpchneoeacrptlooaavnrneaddrtaefldulvenartcilesutkrieomnmbianaalesnleeatdhvgeeeolm,ndweiIrnnehttciecthplioloignmleicanoyytf 56

ANNUAL REPORT 2021 2. To determine the risk management strategy by the risk management policy, internal control policy, good corporate governance policy, policy on the integration of good corporate governance, risk management, and compliance with laws, rules, regulations, and related standards (Governance Risk and Compliance : GRC.). The committee shall supervise the risk management and internal control systems to be appropriate, sufficient, efficient, and effective. It ensures that the ETA has identified, analyzed, assessed, and managed risks at a proper and acceptable level. It is also linked to the internal control system, which defines and assesses internal control activities covering all organization activities, including continuous monitoring, evaluation, control, and risk management. 3. To review the adequacy and efficiency of the risk management system, internal control system, overall risk management policy, and internal control policy. It shall include the efficiency and effectiveness of implementing the established guidelines and suggestions for improvements to strengthen risk management and internal control capabilities to create value for the Expressway Authority of Thailand. 4. To supervise the risk management handbook and plan undertaking, review plan, monitor, and evaluate the risk management altogether, including the action plan according to the process, and give suggestions to improve risk management plans so that they conform to the defined policy and strategy. 5. To support the strengthening of risk management culture, promote risk management communication throughout the organization, cultivate a positive attitude, create incentives for risk management, raise awareness, and share responsibility for practical and cost-effective risk management. It will make the risk management culture part of all departments’ corporate culture and daily activities and lead to the development of risk intelligence capabilities. 6. To perform any operation relating to risk management. Sub-committee for Coordination of Expressway Traffic Management Name/Agency Position Term of office Noa.t (otTfeiMmndeeee)tding aMll(oBewaehatintn)cge 1. Pol. Lt. Gen. Sompong Chingduang Chairperson Oct 1, 2020-Sep 30, 2021 3/3 37,500 (By the order of the EXAT Board of Directors No. 21/2563) 2. Pol. Maj. Gen. Teerasak Suriwong Member Oct 1, 2020-Sep 30, 2021 3/3 30,000 (By the order of the EXAT 3. Pol. Maj. Gen. Komsak Sumungkaset - 4. Pol. Maj. Gen. Jirasan  Kaewsang-ek Board of Directors No. 21/2563) 3/3 5. Pol. Maj. Gen. Samreeng Suanthong Member Oct 1, 2020-Sep 30, 2021 3/3 - 6. Pol. Maj. Gen. Senit Samransamrojkit Member (By the order of the EXAT 3/3 30,000 7. Pol. Maj. Gen. Niphon Charoenphon Member Board of Directors No. 21/2563) 3/3 30,000 Member Oct 1, 2020-Sep 30, 2021 30,000 Member (By the order of the EXAT 30,000 Board of Directors No. 21/2563) Oct 1, 2020-Sep 30 2021 (By the order of the EXAT Board of Directors No. 21/2563) Oct 1, 2020-Sep 30, 2021 (By the order of the EXAT Board of Directors No. 21/2563) Oct 1, 2020-Sep 30, 2021 (By the order of the EXAT Board of Directors No. 21/2563) 57

Expressway Authority of Thailand Sub-committee for Coordination of Expressway Traffic Management (Continued) Name/Agency Position Term of office Noa.t (otTfeiMmndeeee)tding aMll(oBewaehatintn)cge 8. Pol. Col. Theppitak Saengkla Member Member Oct 1, 2020-Sep 30, 2021 3/3 30,000 9. Mr. Thanin Busayarat Member Bo(Barydthoef Doirredcetor rosfNtoh.e21E/X2A5T63) 3/3 30,000 Member 2/3 20,000 1 0. AGuovtheornriotyr ooff tThheaiElaxnpdressway Member Oct 1, 2020-Sep 30, 2021 1/3 1 1. CDoenpsuttryucGtoiovnerannodr fMoarintenance Member Bo(Barydthoef Doirredcetor rosfNtoh.e21E/X2A5T63) 3/3 - 12. aDnedpuLtaynGdoAvceqrnuoisritfioonr Law Member 3/3 - 13. Deputy Governor for Operation SMubesmtibtuetre Oct 1, 2020-Sep 30, 2021 - - Member Bo(BayrdtohfeDoirredcetor ros fNtoh. e21E/X25A6T3) 1/3 - 14. Traffic Police Commander SSMMuubbeessmmttiibbttuueettrree 10,000 Member Oct 1, 2020-Sep 30, 2021 Police Col. Sarawut Jitrabeab SMubesmtibtuetre Bo(BayrdtohfeDoirredcetor ros fNtoh. e21E/X25A6T3) Member Oct 1, 2020-Sep 30, 2021 SSMMuubbeessmmttiibbttuueettrree Bo(BayrdtohfeDoirredcetor ros fNtoh. e21E/X25A6T3) Member Bo(OBacyrdtt1oh,feD2o0irre2dc0et-orSreospfNto3h.0e2, 12E/X0225A16T3) SMubesmtibtuetre Oct 1, 2020-Sep 30, 2021 Bo(BayrdtohfeDoirredcetor ros fNtoh. e21E/X25A6T3) 1 5. PNroonvtihnacibaul rPioPlriocevinCcoemmander, Oct 1, 2020-Sep 30, 2021 - - Pol. Lt. Col. Nopparat Siwilai Bo(BayrdtohfeDoirredcetor ros fNtoh. e21E/X25A6T3) Pol. Col. Weerarit Phiphatthanasak 1/3 10,000 Oct 1, 2020-Sep 30, 2021 1/3 10,000 16. PSaromvuintcPiarlakPaonlicPeroCvoinmcme ander, Bo(BayrdtohfeDoirredcetor ros fNtoh. e21E/X25A6T3) - - Pol. Col. Chutrakul Yosmadee Oct 1, 2020-Sep 30, 2021 2/3 1 7. STPouralpifcefeirciCnPotoel.lnNicdaeettnDatpivaoistfioSTnuhbam-dcivhiustioinnan2), Bo(BayrdtohfeDoirredcetor ros fNtoh. e21E/X25A6T3) 1/3 20,000 Pol. Lieut. Col. Phiphat Boonpitak 10,000 Pol. Lieut. Col. Chayut Janyalert 1/3 18. oaSunfbdTsrtPaitlnuasntpenoMinrtegamnbderTfrraofmfictPhoeliOcyffice 1/3 10,000 Mr. Surapong Mianmit 10,000 Oct 1, 2020-Sep 30, 2021 2/3 20,000 Bo(BayrdtohfeDoirredcetor ros fNtoh. e21E/X25A6T3) 58

ANNUAL REPORT 2021 Sub-committee for Coordination of Expressway Traffic Management (Continued) Name/Agency Position Term of office Noa.t (otTfeiMmndeeee)tding aMll(oBewaehatintn)cge 1 9. DDierepcatortrmofeTnrta,fBficanangkdoTkransportation Member Oct 1, 2020-Sep 30, 2021 - - Mr. Thongdee Nueakaen SSMMuubbeessmmttiibbttuueettrree Bo(BayrdtohfeDoirredcetorrosfNtoh.e21E/X25A6T3) 1/3 10,000 Mr. Chakrabongse Thienphithak 1/3 10,000 2 0. ToDfihreeTchtEoaxriploarfenMsdsawinatyenAauntcheoDreitpyartment, Member Oct 1, 2020-Sep 30, 2021 3/3 - Bo(BayrdtohfeDoirredcetor ros fNtoh. e21E/X25A6T3) 2 1. ADDuierpethcaotrotrmirtyoefnotfT,oTTlhlhaCeiloaElnxlepdcrteisosnway Member Oct 1, 2020-Sep 30, 2021 2/3 - Bo(BayrdtohfeDoirredcetor ros fNtoh. e21E/X25A6T3) 2 2. DDofiivreTischiotaonilr,aTonhfdeOEpxepraretisosnwaPylaAnuntihnogrity Member Oct 1, 2020-Sep 30, 2021 3/3 - Bo(BayrdtohfeDoirredcetor ros fNtoh. e21E/X25A6T3) 2 3. oDEDTnfheirgeveTiecnhElteaoxoeipplrarrmioennfsdegsEnwRxteapDsyreeivAasirsuscwitohhanoya,rnSitdyystem Member Oct 1, 2020-Sep 30, 2021 3/3 - Bo(BayrdtohfeDoirredcetor ros fNtoh. e21E/X25A6T3) 2 4. ADDuierpethcaotrotrmirtyoefnotfT,rTTahfhfaeiiclaECnxopdnretrsoswl ay MSeemcbreetraarynd Oct 1, 2020-Sep 30, 2021 3/3 - Bo(BayrdtohfeDoirredcetor ros fNtoh. e21E/X25A6T3) 2 5. oDDfiivreTischiotaonilr,aTonhfdeTrEaxfpfircesMswanaaygAeumtheonrtity MSeAemscsbirseettaranarytnd Oct 1, 2020-Sep 30 2021 3/3 - Bo(BayrdtohfeDoirredcetor ros fNtoh. e21E/X25A6T3) 2 6. TTHSTTrrehheaaceaafftiffdliiEiaccoxnonpMCdfroa2eTnn,srtsaarwgofeflaimycDeeAMpnuaattnhrDtoamivgriieetsynimoton,ef,nt MSeAemscsbirseettaranarytnd Oct 1, 2020-Sep 30, 2021 3/3 - Bo(BayrdtohfeDoirredcetor ros fNtoh. e21E/X25A6T3) Source : Traffic Management Division, Traffic Control Department as of September 30, 2021 Authorities and Duties of Sub-committee for Coordination of Expressway Traffic Management 1. To set up measures and develop solutions to traffic problems in the expressway area, road links, intersection, in front of toll plazas and on-off ramps. 2. To improve and apply technologies in the expressway traffic management system following the management of on-off ramp area to alleviate the traffic congestion in the area of on-off ramps. 3. To coordinate and inform other related agencies or parties of EXAT’s measures and solutions to traffic problems to promptly facilitate expressway users to leave the expressways. 4. To expedite and follow up the outcomes of the expressway problem solution. 5. To operate or perform other duties assigned by the Board of Directors. 59

Expressway Authority of Thailand Committee for Oversight of Si Rat-Outer Bangkok Ring Road Expressway Project Name/Agency Position Term of office Noa.t (otTfeiMmndeeee)tding aMll(oBewaehatintn)cge Chairperson 1. Mr. Apirat Chaiwongnoi Mar 30, 2021-Present 1/1 10,000 Director-General of Member the Department of Airports Aug 14, 2019-Present 1/1 8,000 2. Mr. Kusol Yaemsa-ard Substitute Deputy Director-General, Member Aug 14, 2019-Present - - Office of Legal Counsel, Member Office of the Attorney General May 18, 2020-Present 1/1 8,000 3. Ms. Sasiporn Singtomart Substitute Provincial Attorney Member Jun 28, 2021-Present - - at the Office of the Attorney General, Substitute Office of Legal Counsel Member Aug 8, 2019-Present - - 4. Mr. Chanwit Nakburee State Enterprise Performance Appraisal Advisor, State Enterprise Policy Office 5. Mr. Pittaya Uthaisang Director of Public and Private Partnership Promotion Bureau, State Enterprise Policy Office 6. Mr. Chawajate Sunthornwit Specialist Policy and Planning Analyst Source : Operations Planning Division as of September 30, 2021 Authorities and Duties of Committee for Oversight of Si Rat-Outer Bangkok Ring Road Expressway Project 1. To supervise and monitor joint investment projects to ensure they are carried out as stipulated in the joint investment contracts. 2. To consider and suggest solutions to problems that may arise from implementing the joint investment project as stipulated in the joint investment agreement to the Expressway Authority of Thailand. 3. To request the Expressway Authority of Thailand, private contracting parties, or government agencies involved in the project to clarify, express opinions, or submit relevant information or documents. 4. To report the results of operations, progress, problems, and solutions for implementing the joint investment project as specified in the joint investment contract to the Minister of Transport for acknowledgment and submit a copy of reports and related documents to the State Enterprise. Policy Office for the period specified by the Supervisory Board at least once every six months. 5. To consider giving opinions in support of the amendment of the investment contract. 60

ANNUAL REPORT 2021 The Knowledge and Innovation Management Committee was appointed by the EXAT Committee No. 4/2563, ordered on 8 July 2020 (1 meeting), and No. 19/2563, ordered on 6 November 2020 (4 meetings). Committee for Knowledge and Innovation Management Name/Agency Position Term of office Noa.t (otTfeiMmndeeee)tding aMll(oBewaehatintn)cge 1. Mr. Sarawut Songsivilai Chairperson Jun 18, 2020-Present 3/5 37,500 (By the order of the EXAT Board of Directors No. 4/2563, dated on Jul 8, 2020 and No. 19/2563, dated on Nov 6, 2020) 2. Mr. Dumkerng Pankam Vice-Chairperson Jun 18, 2020-Oct 21, 2020 1/1 - Deputy Governor for Operation, (By the order of the EXAT Acting Governor, The Expressway Board of Directors No. 4/2563, Authority of Thailand dated on Jul 8, 2020) 3. Mr. Surachet Laophulsuk Vice-Chairperson Oct 22, 2020-Present 2/4 - Governor, The Expressway (By the order of the EXAT Authority of Thailand Board of Directors No. 19/2563, dated on Nov 6, 2020) 4. Assistant Professor Member Oct 22, 2020-Present 4/4 40,000 Pongsak Keeratiwinthakorn (By the order of the EXAT Board of Directors No. 19/2563, dated on Nov 6, 2020) 5. Ms. Pieng-or Laohawilai Member Oct 22, 2020-Present 3/4 30,000 (By the order of the EXAT Board of Directors No. 19/2563, dated on Nov 6, 2020) 6. Mrs. Tasanuch Thammachot Member Jun 18, 2020-Present 5/5 - Deputy Governor (By the order of the EXAT for Administration Board of Directors No. 4/2563, on Jul 8, 2020 and No. 19/2563, dated on Nov 6, 2020) 7. Mr. Wichan Ekarintrakul Member Jun 18, 2020-Mar 21, 2021 1/2 - Advisor to governor (By the order of the EXAT (Administration), Acting Deputy Board of Directors No. 4/2563, Governor for Strategy and Planning dated on Jul 8, 2020 and No. 19/2563, dated on Nov 6, 2020) 8. Mr.Gardphajon Udomdhammabhakdi Member Mar 22, 2021-Present, 3/3 - Deputy Governor for Strategy (By the order of the EXAT and Planning Board of Directors No. 4/2563, dated on Jul 8, 2020 and No. 19/2563, dated on Nov 6, 2020) 61

Expressway Authority of Thailand Committee for Knowledge and Innovation Management (Continued) Name/Agency Position Term of office Noa.t (otTfeiMmndeeee)tding aMll(oBewaehatintn)cge 9. Mrs. Sujinda Jarujit Member Director of Office of the Governor Member Jun 18-Oct 21, 2020 1/1 - Member (By the of the EXAT Board 10. Mrs. Pathamawadee Jungpanich Member of Directors No. 4/2563, 1/1 - Director of the Supply Service Division, Acting Director of Member dated on Jul 8, 2020) General Administration Jun 18-Oct 21, 2020, by 11. Ms. Thanaporn Atharamit Member (By the order of the EXAT Board 1/1 - Director of the Finance Division, Acting Treasury and Accounting Member of Directors No. 4/2563, Department Member dated on Jul 8, 2020) 12. Mrs. Kunthon Rabuepin Member Jun 18-Oct 21, 2020 Director of the Evaluation Member (By the order of the EXAT Board 1/2 - Division, Acting Director of Policy and Planning Department of Directors No. 4/2563, 13. Ms. Nattha Kasee dated on Jul 8, 2020) Director of Policy and Planning Jun 18, 2020-Jan 20, 2021 Department (By the order of the EXAT Board 3/3 - 14. Lt. JG. Sanaw Puthawong R.N. of Directors No. 4/2563, Director of Information dated on Jul 8, 2020, and Technology Department No. 19/2563, dated on Nov 6, 2020) Jan 21, 2021-Present 15. Mr. Chatri Tansiri (By the order of the EXAT Board 5/5 - Director of Expressway of Directors No. 4/2563, dated 1/1 - Construction Department 1/1 - 16. Mrs. Chinnanat Khunjaroen on Jul 8, 2020, and Director of Maintenance No. 19/2563, dated on Nov 6, 2020) Department Jun 18, 2020-Present 17. Mr. Pramonrat Chinnarong (By the order of the EXAT Board 1/1 - Director of Land Acquisition Department of Directors No. 4/2563, 18. Mr. Pramonrat Chinnarong dated on Jul 8, 2020, and Director of Land Acquisition No. 19/2563, dated on Nov 6, 2020) Department, Acting Director of Legal Department Jun 18-Oct 21, 2020 (By the order of the EXAT Board of Directors No. 4/2563, dated on Jul 8, 2020) Jun 18-Oct 21, 2020 (By the order of the EXAT Board of Directors No. 4/2563, dated on Jul 8, 2020) Jun 18-Oct 21, 2020 (By the order of the EXAT Board 1/1 - of Directors No. 4/2563, dated on Jul 8, 2020) Jun 18-Oct 21, 2020 (By the order of the EXAT Board of Directors No. 4/2563, dated on Jul 8, 2020) 62

ANNUAL REPORT 2021 Committee for Knowledge and Innovation Management (Continued) Name/Agency Position Term of office Noa.t (otTfeiMmndeeee)tding aMll(oBewaehatintn)cge 19. Mr. Sombat Suraprasit Member Director of Traffic Control Member Jun 18-Oct 21, 2020 1/1 - Department Member and (By the order of the EXAT Board 20. Mr. Chai Gaewpeng Secretary Director of Toll Collection of Directors No. 4/2563, Department Member and dated on Jul 8, 2020) 21. Mr. Theparat Rattanapunyakorn Assistant Director of Research and Secretary Jun 18-Oct 21, 2020 1/1 - Development Division (By the order of the EXAT Board Member and 22. Mrs. Yadarat Nakphong Assistant of Directors No. 4/2563, Head of Knowledge Management Secretary dated on Jul 8, 2020) Section, Human Resources Development Division, General Member and Jun 18, 2020-Present 5/5 - Management Department Assistant (By the order of the EXAT Board 5/5 - 23. Mrs. Ratchada Promsaka Secretary Na Sakon Nakhon of Directors No. 4/2563, Head of Research and dated on Jul 8, 2020 and Development Administration No. 19/2563, dated on Section, Research and Development Division Nov 6, 2020) 24. Ms. Nawarat Chuaywong Jun 18 2020-Present Acting Head of Research and (By the order of the EXAT Board Development Administration of Directors No. 4/2563, Section, Research and dated on Jul 8, 2020 and No. Development Division 19/2563, dated on Nov 6, 2020) Jun 18, 2020-Jun 26, 2021 5/5 - (By the order of the EXAT Board of Directors No. 4/2563, dated on Jul 8, 2020 and No. 19/2563, dated on Nov 6, 2020) Jul 27, 2021-Present 1/1 - (By the order of the EXAT Board of Directors No. 4/2563, dated on Jul 8, 2020 and No. 19/2563, dated on Nov 6, 2020) Source : Research and Development Division Information as of September 30, 2021 Authorities and Duties of Committee for Knowledge and Innovation Management The committee has the authority to set policies and goals, advise, suggest, direct, promote, support, develop, and supervise. It also approves the knowledge management and innovation management master plan, monitors practical implementation progress, and achieves the knowledge management policy and innovation of the Expressway Authority of Thailand. 63

Expressway Authority of Thailand Audit Committee Report Internal Audit The Expressway Authority of Thailand (EXAT) established the Internal Audit Office to provide assurance and independent and justifiable counseling service to add value and improve EXAT’s operation for achieving the set goal. As a result, the effectiveness of the internal control process, risk management, and corporate governance shall be systematically evaluated and improved. The Internal Audit Office performs its duties in compliance with the Ministry of Finance’s Regulation on State Enterprise Audit Committee and Internal Audit Unit B.E. 2555 (2012), the Ministry of Finance’s Revised Handbook on State Enterprise Internal Audit B.E. 2555 (2012), and international standards for professional internal audit regulated by the Institute of Internal Auditors (IIA). The audit report shall be proposed to the Governor, Audit Committee, and the EXAT’s Board of Directors. The performance of the Internal Audit Office in the fiscal year 2021 has been thoroughly carried out following the internal audit plan of the fiscal year 2021 with the following activities : 1. To audit EXAT’s 14 operating systems following the audit plan for the fiscal year 2021 and monitor the performance according to audit reports. 2. To verify EXAT’s financial report. 3. To verify corporate governance. 4. To verify EXAT’s risk management. 5. To review Internal Control Assessment following the Ministry of Finance’s Criteria for Internal Audit Standards and Criteria for Government Agencies, 2018. 6. To provide counseling service. Audit Committee Performance Report for the Fiscal Year 2021 In the fiscal year 2021, the EXAT’s Board of Directors issued an order appointing new audit committee members as follows : 1. Ms. Chunhachit Sungmai Chairperson 2. Mr. Anek Mee-mongkol Member 3. Mr. Boonchai Sowanwanichakul Member 4. Director of Internal Audit Office Secretary The Audit Committee performs its duties as assigned by the EXAT’s Board of Directors. It adheres to the Board’s orders, as well as, Orders of the Ministry of Finance’s Regulation on State Enterprise Audit Committee and Internal Audit Unit B.E. 2555 (2012), the Ministry of Finance’s Revised Handbook on State Enterprise Audit Committee B.E. 2555 (2012), the Audit Committee Charter, and the operation manual of the EXAT’s Audit Committee. In the fiscal year 2021, the Audit Committee held 11 meetings, consisting of the Chairman of the Board, and the Audit Committee attended the meeting; a quorum was formed. All participated in the meeting every time to meet with the auditors (Representative from the Office of the Auditor General), EXAT Chief Executive without any other person participating to discuss freely. The Audit Committee held the meeting with EXAT executives regarding information necessary for operations, business risks, internal control of EXAT. The Audit Committee also mutually discussed with the auditor and the internal auditor on issues from the audit of the EXAT’s financial statements for the fiscal year 2020, report on the results of the Expressway Authority of Thailand Audit Committee of the Auditor and scope of audit of the auditor’s financial statements of EXAT for the fiscal year 2022. The meeting was also held with the Internal Audit Office and related agencies to 64

ANNUAL REPORT 2021 consider the audit report and review the performance of EXAT following the new State Enterprise Assessment Model (SE-AM) criteria, including the supervision of internal audit work. In summary, it is important to perform duties as follows : 1. Verification of financial report : The EXAT quarterly and annual financial statements are verified, emphasizing on important issues and providing constructive comments to ensure accuracy and reliability of financial statements the preparation process, as well as containing adequate and proper disclosure of information concerning the important issues and following the accounting standards following the Generally Accepted Accounting Principles. 2. Verification of good corporate governance : The EXAT’s good corporate governance in operations is reviewed. The verification includes Good Corporate Governance Manual, Code of Conduct Manual, Good Corporate Governance Action Plan, monitoring and reporting on the performance according to the good corporate governance action plan. In addition, the precedence is given to constructive comments on governance in solutions for the complaints to ensure more efficient operations of EXAT. 3. Verification of risk management : The verification includes the risk management process of EXAT by reviewing the risk management manual, risk management plan preparation, risk management communication, risk management plan implementation, and reporting the results of risk management. The precedence is given to constructive comments on governance in solutions for the complaints in order to ensure more efficient operations of EXAT. 4. Verification of internal control : The verification includes an assessment report of the EXAT’s internal control system in compliance with the Ministry of Finance’s Regulation on Internal Control Standards and Regulations for Government Agencies B.E. 2561 (2018). The sufficiency, appropriation, efficiency, and effectiveness of EXAT’s internal control are reviewed from the report of the audit results of the Internal Audit Office, and monitoring the improving and corrective actions as recommended by the Internal Audit Office. 5. Internal audit supervision : The tasks are defined to supervise, recommend and support independent and impartial work performance of the internal audit unit; review and approve the Internal Audit Office Charter, long-term and annual audit plans, strategic plan, and action plan for improving work performance, long-term and yearly personnel development plans, annual fiscal budget, and work performance handbook of the Internal Audit Office; verify audit performance in line with the annual audit plan, and measure the performance of the Internal Audit Office. The Audit Committee gives precedence and supports the internal auditors to improve their professional knowledge and help them receive a professional diploma. 6. Assurance of Audit Committee’s quality : The Audit Committee has reviewed and revised the Audit Committee Charter, the Audit Committee’s Manual, the Audit Committee’s performance assessment, the Audit Committee’s performance evaluation results from consultant hiring, and assess the Audit Committee’s performance. It includes reviewing meeting reports and recommendations of the Audit Committee for acknowledgment of the EXAT’s Board of Directors every month. It also reports the performance of the Audit Committee to the EXAT Board for acknowledgment every quarter. 7. The EXAT Auditor’s remuneration : A state enterprise with the Office of the Auditor-General of Thailand as the Auditor, is 1,500,000 baht. In the fiscal year 2021, the Audit Committee is of the opinion that EXAT prepares a financial report showing results of operations and financial position with material information following the accepted accounting principles. It includes good corporate governance, good risk management, and internal controls. It operates following applicable laws, regulations, regulations, and orders related to operations of EXAT. (Ms. Chunhachit Sungmai) Chairperson of the Audit Committee 65

Expressway Authority of Thailand Performance Analysis Economic Status EXAT’s primary mission is to solve traffic problems utilizing expressway construction which always helps support and enhance efficiency on national logistics development and services. Up to the present, eight expressways falling under EXAT’s responsibility have been opened to the public, covering a total length of 224.6 kilometers. Expressways Currently Opened for Services to Public 1. Chalerm Maha Nakhon Expressway 27.1 kilometers in length 2. Si Rat Expressway 38.4 kilometers in length 3. Chalong Rat Expressway (Ram Inthra-At Narong and the Ram Inthra-Outer Bangkok Ring Road Expressways) 28.2 kilometers in length 4. Udon Ratthaya Expressway 32.0 kilometers in length 5. Burapha Withi Expressway 55.0 kilometers in length 6. Bang Na-At Narong Expressway 4.7 kilometers in length 7. Kanchanaphisek Expressway (Bang Phli-Suksawat) 22.5 kilometers in length 8. Si Rat-Outer Bangkok Ring Road Expressway 16.7 kilometers in length Performance and Analysis In the fiscal year 2021, the Expressway Authority of Thailand (EXAT) had a good performance. It was able to operate according to the organizational objectives set out as follows : 1. EXAT fully utilized expressways and assets. The expressway area used in the fiscal year 2021 amounted to 566,642.06 square wa. The traffic volume per total capacity of the expressway in operation (V/C) was 0.53. 2. The service is quality, safe, and the public’s trust. EXAT has surveyed the opinions of expressway users and found that expressway users have overall satisfaction with EXAT’s services. The level of satisfaction was 94.05%, and the number of accidents on the expressway per 100 million cars-kilometers was 11.24. Financial Analysis Traffic volume and toll revenue in fiscal year 2021 (October 2020-September 2021) had totaled to 449.45 million trips/year or 1.23 million trips/day, decreased from fiscal year 2020 by 19.81% and total toll revenue (before dividing a joint venture company and Thailand Future Infrastructure Fund) was 18,526.20 million baht/year or 50.76 million baht/day, a decrease of 18.26% from the fiscal year 2020 by the Si Rat Suburb Section and Section “D” had highest total traffic volume of 95.97 million trips/year or 0.26 million trips/day, followed by the Chalerm Maha Nakhon Expressway : total 93.62 million trips/year or 0.26 million trips/day, Si Rat Expressway in urban areas : total 77.73 million trips/year or 0.21 million trips/day, 66

ANNUAL REPORT 2021 Chalong Rat Expressway : total 62.92 million trips/year or 0.17 million trips/day, Burapha Withi Expressway : total 39.37 million trips/year or 0.11 million trips/day, Kanchanaphisek Expressway (Bang Phli-Suksawat) : total 39.32 million trips/year or 0.11 million trips/day, Udon Ratthaya Expressway : total 22.98 million trips/ year or 0.06 million trips/day, Si Rat-Outer Bangkok Ring Road Expressway : total 17.53 million trips/year or 0.05 million trips/day In the fiscal year 2021 (as of 30 September 2021), the EXAT had total assets of 239,741.68 million baht, a decrease from the fiscal year 2020 of 758.30 million baht or 0.32%. The decrease was from non-current assets as some of the deposits which were more than one year due were used to pay off debts that are due. For liabilities : The EXAT had total liabilities of 174,690.75 million baht, a decrease of 9,418.11 million baht or 5.12% from fiscal year 2020, which decreased due to bond payments, government loan and capital portion of 65,050.93 million baht, an increase of 8,659.81 million baht or 15.36% from fiscal year 2020. Operating results in fiscal year 2021 (data from October 2020-September 2021) total revenue 16,834.30 million baht, total expenses 8,174.49 million baht, comprehensive profit (loss) 8,659.81 million baht, an increase of 74,228.73 million baht or 113.21% from fiscal year 2020, which was because in 2020, the accounting entries of the Second Stage Expressway Project Agreement (Revised) and the Bang Pa-In- Pak Kret Expressway Agreement (Revised) were made, resulting in an increase in operating results. Total Expenses for Regular and Temporary Employees for Fiscal Years 2019-2021 Unit : Million Baht Items 2019 2020 2021 Total expenses on employees 3,515.82 3,046.18 3,051.57 Source : Accounting Division, The Finance and Accounting Department as of September 30, 2021 Important Investments 1. The Rama III-Dao Khanong-Western Bangkok Outer Ring Expressway project The Project aims to serve effectively as a route network to accommodate travel between the outer and inner areas of Bangkok with the city’s western area and its perimeter including travel from the southern provinces of Thailand, and to help alleviate traffic congestion between Rama II Road and Chalerm Maha Nakhon Expressway in Suk Sawat-Dao Khanong Section to be more rapid and convenient as well as a route choice for travelling and logistic in crucial situation such as flood disaster in 2011. Moreover, the project is capable to be a substitute route in case Rama IX Bridge is required to be closed for major maintenance which will eliminate problems for connecting to the south. The project is of 18.70 kilometers in length with the starting point of the project linking with the elevated project of National Highway No. 35 (Thon Buri-Paktho) at km 13+000 of Rama II and it is an elevated 6-lane road overlapping along the median of Rama II Road until reaching Dao Khanong Toll Plaza. Then the route overlaps Chalerm Maha Nakhon Expressway until it reaches Rama III Road close to Bang Khlo Interchange. New 8 lanes (4 lanes for each direction) bridge crossing the Chao Phraya River will be newly constructed and aligned to the south of Rama IX Bridge. This expressway contains 7 on-off ramps. 67

Expressway Authority of Thailand 2. The Si Rat-Outer Bangkok Ring Road Expressway Project This project aims to expand the network of expressways in Bangkok and its vicinities in the west. It is to alleviate the amount of traffic on the ground level and vent traffic on the west side between Bangkok and nearby provinces to be more efficient. It is an elevated expressway with six lanes. The route starts from the outer ring road of western Bangkok along the boundary line of the Southern Railway parallel to Borommaratchachonnani Road. It crosses the Chao Phraya River at Rama VI Bridge, passing through the Bang Sue intersection and connecting to the Si Rat Expressway north of Mo Chit 2 Bus Terminal with 16.7 km. Government Budget Allocation Unit : Million Baht Cost of Land Acquisition of fiscal year 2021 Allocated Disbursement Percentage Project Budget - The Si Rat-Outer Bangkok Ring Road Expressway Project 4.3405 4.3405 100 - The Rama III-Dao Khanong-Western Bangkok Outer Ring 82.9264 100 Expressway project 82.9264 Total 87.2669 87.2669 Capital structure 2019 Unit : Million Baht The Ministry of Finance holds a 100% share. 3.52 2020 2021 Capital 76,986.79 3.52 3.52 47,969.73 76,986.79 76,986.79 Items 124,960.04 (20,599.19) (11,939.38) Initial capital 56,391.12 65,050.93 Subsidy budget 2019 Unappropriated retained earnings (loss) 14,978.90 Unit : Million Baht 18,150.00 2020 2021 Total capital 44,811.00 1,658.18 14,578.90 12,884.46 Loan debt 79,598.08 11,700.00 6,700.00 44,811.00 44,811.00 Items 2019 3,041.60 3,170.20 Domestic loan, guaranteed by the Ministry of Finance 3,400.00 74,131.50 67,565.66 Government loans Government bonds Liabilities under the Agreement on Transferring the Right to Revenue to the Fund Accrued interest under the Agreement on Transferring the Right to Revenue to the Fund Total loan debt Levies Items Unit : Million Baht 2020 2021 Levies 3,000.00 - 68

ANNUAL REPORT 2021 Risk Management Expressway service is regarded as the core business of the Expressway Authority of Thailand (EXAT). Its businesses are carried out under the concept of efficient asset management to strengthen the potential of expressway business and social benefits. EXAT must develop and improve expressways, ensuring their safety and compliance with applicable standards while providing innovative, value-added services. In addition, it gives precedence to developing management systems as well as investing in enhancing organizational values following its vision : “Being determined to improve expressways and offer a good service that is economically worthwhile, convenient, fast and safe in a sustainable way.” Risk management has therefore been adopted, according to COSO-ERM Portfolio Views of Risk Framework, as a tool to support its operation using “Value-based Enterprise Risk Management (VBRM). Such an approach emphasizes performing duties using multiple strategies while regarding risk management to create business opportunities, resulting in the achievement of organizational values​​ and benefits. It has been performed in inconsistency with the rule of the Ministry of Finance on standards and practice of the risk management for the government agencies B.E. 2562 (2019). The said rule has been observed by the state enterprises following the rules or practices on risk management and internal control, and risk management and internal control handbook as prescribed by the State Enterprise Policy Office. Risks are managed to align with the State Enterprise Assessment Model System (SE-AM) that emphasizes the result-based system and annually reviews/improves according to changing circumstances. Based on the previous outcomes of risk management and evaluation of the organization’s quality, it reveals that EXAT has still encountered different risk situations that vary according to changing trends and uncertainty from internal and external factors. Therefore, EXAT must analyze the organization’s risk situations to indicate the organization’s risks. Such risks are managed to ensure the development opportunities and organizational value enhancement, leading to its sustainable growth under the acceptable risk level. In fiscal year 2020-2022, EXAT’s risk management direction aims to achieve “Aim to manage risks that are comprehensively assessed (Intelligent Risk) to enhance business opportunities and corporate value.” Five strategies drive it : 1) Maintaining balance and financial stability 2) Driving business innovation with digital transformation) 3) Responding to stakeholders and customers through networking 4) Improving continuous process with good supervision, Risk Management, and Integrated Governance Risk and Compliance : GRC) 5) Strengthening the risk management culture in the organization by enhancing incentives with four management strategies : 1. Business Opportunity Generation from Assets, Big Data Management, Knowledge, and Investment Capabilities. 2. Human capital development in the digital age as a foundation for becoming a leading and digital state enterprise. 3. Product and service development based on an in-depth understanding of the needs/ expectations of stakeholders and customers (Stakeholder Insight). 4. Knowledge management to organizational innovation by enhancing a risk management culture that is comprehensively assessed (Intelligent Risk). 69

Expressway Authority of Thailand According to the analysis of risk situations under the forecast of the future and reviewing the identification of risk drivers and risk causes, EXAT’s leading risk factors for the fiscal year 2021 can be identified in all four areas, namely, strategic, operational, financial, and compliance with laws/ regulations. It covers four risks, nine causes of risks, and is managed by four risk management plans that can be summarized as follows : Risk Risk cause Risk management plan (4 risks) (9 risk causes) (4 risk management plans) 1. Stakeholder Management 1.1 Management of Customer 1.1 Stakeholder Management 2. Stability of the Expressway Stakeholders Plan 3. Business and Technology 1.2 Management of Other Stakeholders Changes 2.1 Expressway Traffic Management 2.1 Expressway Management 4. Performance 2.2 Accident Management Plan 3.1 Human Resources Management 3.1 Organizational Management 3.2 Digital Management Plan 3.3 Innovation Management 4.1 Revenue Management 4.1 CorporateValueManagement 4.2 Cost management Plan Risk management in the fiscal year 2021 focuses on managing risks that are comprehensively assessed (Intelligent Risk) to enhance business opportunities and corporate value. It is linked to the vision, strategic objectives, and strategic plans of the organization to achieve systematic integration, classified by risk category in 4 areas : 1) Strategy (Strategic Risk), 2) Operations Risk), 3) Financial Risk, 4) Compliance Risk. The risks must be managed under the Risk Management Plan in the fiscal year 2021 consist of four risk issues and nine risk causes. It can be used to prepare a total of four risk management plans with 14 tasks consisting of risks as follows : 1) Risk : Stakeholder Management 2) Risk : Expressway Security 3) Risk : Changes in Business and Technology 4) Risk : Performance In this regard, the monitoring and evaluation of risk management must be considered under five dimensions : (1) the implementation of complete control activities or risk management measures, (2) the risk management result relative to the target value (RA/RT), the expected value and the trend of success (Trend), (3) the severity of the change in risk (R), (4) if the risk management result does not meet the goals, must consult with relevant agencies to find the causes of problems and obstacles from the operation, (5) determine solutions to achieve the specified goals. It has continuously driven risk management under changing circumstances or facing new risks arising from internal and external changes of EXAT. EXAT’s risk management outcomes are at an acceptable level, representing 90.63%. However, they remained within the specified risk tolerance level. However, it is still within the specified allowable deviation level of not less than 80%; thus, the level of risk management success is considered to be in line with the target. However, EXAT has continued risk management in the fiscal year 2022. 70

ANNUAL REPORT 2021 Internal Control The Expressway Authority of Thailand (EXAT) attaches importance to internal control by establishing an internal control system covering all operating processes according to an adequate and appropriate work division structure. It aims to achieve the objective of operational, reporting, and legal compliance following the Ministry of Finance Criteria for Internal Control Standards and Practices for Government Agencies B.E. 2561 (2018). It has continually developed the internal control system by introducing the overall corporate risk issue (Risk Universe) under the EXAT’s handbook and risk management plan to analyze, manage and set up an internal control system for the fiscal year. It also reviews the internal control system of EXAT during the last six months of the fiscal year to ensure that internal control is always efficient and effective. In the fiscal year 2021, EXAT has established a systematic approach for monitoring and evaluating internal control results. All five components of internal control self-assessment reporting units were categorized by monitoring and evaluation periods into two groups, comprising regular events and extraordinary events (Business Continuity Plan (BCP)). It will provide reports through the information system of the internal control system as follows : Regular Events Classified by follow-up and evaluation period into two groups : 1) The continually improving internal control group is a process in which the risk severity is very low, requiring quarterly follow-up assessment (every three months). 2) The Surveillance and Warning Internal Control Group is a process that has a low to moderate level of risk intensity but still requires monitoring and monthly evaluation (every month). Extraordinary Events Follow up on the crisis preparedness process through the internal control system’s information system and have a monthly follow-up assessment (every month). In addition, in the fiscal year 2021, EXAT’s Business Continuity Plan (BCP) has been reviewed/improved to align with the current situation and effectively cover important work systems. All business continuity management plans are rehearsed to resolve any crises that may arise and affect EXAT’s operations. EXAT will also communicate to employees to gain knowledge and understanding of EXAT’s business continuity management plan. Moreover, EXAT has promoted a new learning system during the coronavirus spread situation (COVID-19). It has changed the new learning system by providing learning materials in e-learning to make it more convenient to access and easy to remember. The results of the internal control assessment of EXAT for the fiscal year 2021 cover all five components : environment, control, risk assessment, control activities, information and communication, and monitoring activities. It will be under the total internal control success indicators of 439, consisting of the continually improving internal control group of 412 indicators, and the surveillance and warning internal control group, 27 indicators. The total success of internal control accounted for 99.85%. However, it is still within the acceptable risk level as specified, which is not less than 90 percent. It is considered that the level of internal control success is in line with the target. However, EXAT has continuously monitored internal control in the fiscal year 2022. 71

Expressway Authority of Thailand Research and Development Result of Expressway Service Multi-Lane Free Flow (M-Flow) System Development The EXAT has executed the operation in accordance with the order policy authorized by the Minister of the Transport Ministry to the Department of Highways and EXAT to solve congestion problems at toll plaza between city and expressways to enable all vehicles to pass through the toll plaza rapidly without any halt. The development of automatic toll collection in the Multi-Lane Free Flow (M-Flow) has taken place in order to decrease the congestion in front of all toll plaza and enables the service capability with technology of expressway toll collecting system together with the preparation of Automatic License Plate Recognition : ALPR. These are in line of solving traffic congestion problems and increasing the service capability of the EXAT especially in front of the toll plaza which enable all users to pass through with no halts or slow down the vehicles and continue the driving speed safely whereas the development has elevated the service and accounted to satisfaction to the users. Automatic License Plate Recognition : ALPR The EXAT has determined to develop the Easy Pass system to Non-Stop Lane (NSL) or Multi-Lane Free Flow system which is one of the essential factors towards the development in order to manage the break-through vehicles. Therefore, the design of the system to manage the break-through vehicles in the Easy Pass lanes for the cases of no OBU or insufficient amount of money for toll, including the mal-functioned performance of the system for instance : incompletion of communication between the Reader and the OBU resulting in the unreadable OBU which leads to the retro-collection of the toll. In retro-collection of the toll, an automatic license plate recognition is required in order to assist in tracing and issuing the toll charge which is payable later by the users. Whereas the EXAT has to develop the former automatic toll collection to the NSL or MLFF, the automatic license plate recognition assisting in retro-charge to the users is required, therefore, the EXAT has developed the Automatic License Plated Recognition on Chalong Rat Expressway to enable the optimum interest for the operation. Automatic Lane Control System on Chalong Rat Expressway The EXAT has analysed processes to relieve the congestion on Chalong Rat Expressway in the area of km12+500 to km14+150 (Kaset-Nawamin Exit) causing by on ground traffic accumulations. In order to execute the sustainable & effective operation and law enforcement, the process to install 72

ANNUAL REPORT 2021 the Automatic Lane Control System (ALC) has taken place to enable a complete and automatic functional area as well as being a prototype of technological solutions to traffic problems, hence reducing number of staffs who have to accommodate the convenience in the area. The automatic 24-hour systems in operation are as follows; - The Vehicles with Exceeding Speed Limit Detection System - The Lane Changing in Restricted Lanes (solid lines) Detection System - The Violation on the Expressway Side-road Prohibit System - The Automatic Lane Control and Users Information System Image 1 Chalong Rat Expressway Automatic Lane Control System (Automatic Lane Control System) Chalong Rat Expressway The trial basis of operation on the Automatic Land Control System (ALC) at Chalong Rat Expressway showing the result that the ratio of the side-road violation has been decreased denoting the effectiveness of the traffic signage enforcement by the side-road prohibit signage which is a Variable Message Sign : VMS and Matrix Sign : MS as shown in Image 2. Image 2 Chalong Rat Expressway’s users follow the side-road prohibit signage through the MS system installed in the Automatic Lane Control System This includes the shorter time consumption of traffic on expressway side-road which reflected to the effectiveness of the system in traffic relief as well as the comprising of the average speed in rush hours has been increased which demonstrated the efficacy of the Automatic Lane Control System (ALC). International Academic Collaboration October 6, 2020 : Mr. Amer Subhi, Southeast Asia Regional Director of Mobileye Vision Technologies Ltd., joined in Video Conference in order to present the company’s technology and discuss the technological requirements for the EXAT. 73

Expressway Authority of Thailand October 7, 2020 : Mr. Kurokawa Seiji and party paying a visit to the company’s consultant action as Deputy Governor on the occasion of leaving the Director of Metropolitan Expressway Company Limited (Thailand) position and introducing Mr. Suzuki Tatsumi who succeeded in the position of Director of the Metropolitan Expressway Company Limited (Thailand). November 3, 2020 : Mr. Shaun Miller, Director of International Business of the Acusensus Ltd., Australia, discussing about the detective system for mobile phone using while driving through Zoom Cloud Meeting. January 22, 2021 : Mr. Hyosung Kim, Member of International Committee paying a visit to the Governor and discussing with EXAT’s executives. Mr. Jaehong Ko, Associate Director of Korea Expressway Corporation (KEC) of the Republic of Korea also attended the conference through Zoom Meeting with the offering of 3 Projects comprising of Expressway’s Tunnel Project, Expressway’s Traffic Management Project and Expressway’s Development on Service Area Project. March 17, 2021 : The Metropolitan Expressway Co., Ltd. (MEX) joined in a meeting referred to Multi-Lane Free Flow (M-Flow) toll collection system in pattern and standards of Single Platform System and Origin/ Destination (O/D). August 5, 2021 and September 1, 2021 : Korea Trade-Investment Promotion Agency (KOTRA) joined with RexGen Co., Ltd., WooKyoung Information Technology Co., Ltd. (WKIT), and Seoul Robotics discussing about Thailand Smart City Collaboration Group (Smart Mobility) through online conference program in Zoom Cloud Meeting. September 16, 2021 : Hanshin Expressway Co., Ltd. (HEX) joined in a meeting to discuss and exchange ideas in related to the development of the Expressway’s toll collection with non-barrier gate through online conference program in Zoom Cloud Meeting. 74

ANNUAL REPORT 2021 EXAT’s Performance on Building Relationships with Stakeholders The Expressway Authority of Thailand (EXAT) has given importance to building relationships with stakeholders and supporting the implementation of the AA1000SES standard for participation in driving the achievement of goals, leading to the development of the relationship, building trust, and creating shared values for sustainable mutual benefits. EXAT categorizes stakeholders into seven groups : the government sector as owners, personnel, scuursrtooumnedrisn,gththeeaeffxepcrteesdswpaeyrsboonufnrdoamrieesx,parnodprsiaotcioient,y.suEpXpATliehrass/csotoudpieerdattihoen ispsauretns/enre,etdhse/ecxopmecmtautinointys of all seven stakeholder groups and defined three models of relationship building with stakeholders. CahnadleKramncMhaanhaapNhaiskeokrnExEpxrpersesswswayay(Bang Phli-Suksawat) ISO 9001: 2015QUALITY MANAGEMENT SYSTEM Standard quick, correct, impressive and standard service 1. pausboliwc nseecrtor aChnadloBnugraRpahta, BWainthgiNExa-pAretsNswaraoyng ICSEROTIFIE1D4001: 2015 Use saving resource, comply with rules, reduce accidents and care environment 7. Society The Expressway Authority of Thailand ISO/IEChas been certi e2d2.w P7ieth0rso0n1ne:l2013 Information security management system applied atonddaetnavcireonntemre(bnataclkcoontcreolssityes)teinmclsu, dnientgwpohrkysical isnyfsrtaesmtrsucotfuErxepsryesstsewmasyaAnudthseocriutryitoyfiTnhfraaislatrnudct(uEXreAT) e6x.paCrroeomsusnwmdauytnhaietrieesa 3. Customer 5C.opSoauprptenprelairetsirosn/ epx4pe. rrAsoofpfnericaftrteoiodmn Stakeholder Issues/needs 1. Public sector as owner PGooloicdypceorfmorpmliaannccee/Good corporate governance/Efficient management/ 2. Personnel iAemndavegiqreou/naEmtfefiecncieotn/mTtrmwanousrnpkiacparertoinoccneyscps/orTomeccpehlsisna/noSclaoefge/yOtyps,ueOprapctcoiourtnpsapytrsiootegnrmaelsfsho/eGraoplotrhadctcaioncerdpwowroaortrkek 3. Customer Eparoseteoctfiounse/Security/Correct, complete, timely Information/Environmental 4. Affected person from expropriation tCimonevlyeinnifeonrmceatioinn/cFaoinr tinacetxipnrgoparinadtioncoordinating/Correct, complete, 5. Suppliers/Cooperation partners cTorannvsepnaireennttcaonndtafcatircphraoncnuerelsm/Geonot/dAwccourrkainteg,ccooomppelreatteio,nt/imSaefelytyinaftorwmoarktion/ 6. Communities around CCoomrrmecutn, itcyosmupppleorttea, stnimeeedlyedinformation/Environmental protection/ the expressway area 7. Society CQouircrkecrets, pcoonmsep/Gleotoed, imtimageely information/Environmental protection/ 75

Expressway Authority of Thailand Objectives of Relationship Building Relationship building model Participation while strengthening fPwtohrioretuhvmoirdersgipnatrgnoeiTszeewaxntocito-hawntaianvayegnescdfoirdsmotemamaksteu.hhneoicoladrtgeioarnngizreoamutioppnsh,aassnuizdcehistsajosstinaektsetcahobonllsidsidheiernsr,gactaoioncnsoubmletmatwtiiotetneesne, relationships with stakeholders pPruobvliidcinmgeLeitminigtse,dquTewsoti-ownanyaiCreosm. munication such as interviews, seminars, Responding to the needs/concerns cPnhreoawvnsidnleientlgtsensrues.wchs aasndprininftomrmeadtiiao,natdovsetratkiseehmolednetrss,tphurobuligchrevlaartioiounssc,oEmXAmTuwneicbastiitoen, of stakeholder Maintaining stakeholder awareness abnedtwteheIennEtEhXXiAsATrTe5ag-anyrdedas,rttaolkoesnehgto-tgledureimdrse,slEtinaXekAesThfohoraldsbesureiltsdttirhnaegteorgebyljae(tFcioitsinvcseahlsi,Ypteshaewrsi2tch0o2ps1tea-2ko0ef2hb5ou)lidladesinrfsgoalrlneoldwatssiuo:pnpshoirptsinwgitjohinsttaokpeheroaltdioenrss, (in3)tthoecTorhepaeetroeabtaijodendcetiodvfevEsaXoluAfeTb;uw(i2iltd)hintsogtareekxelachthoioalndngseehrsip.bsewneitfhicsiatal kienhfoorlmdeartsioanreto: (1th) teoobpueilrdattihoen coofnEfiXdAeTncaenodf ssttaakkeehhoollddeerrss governTmheents,cporpiveatoefssetcatkoerhoorlgdaenrizraetliaotniosn, schuisptobmueilrdsi,nagnidnctlhuedegesn:e(r1a)l aplulbglrioc;u(p2s) iossfuEeXsArTelasttaekdehtooltdheersecwohnoomarye, society, and environment; (3) the area surrounding the expressway boundary and society as a whole. EXAT’s 5-year long-term stakeholder strategy (Fiscal Year 2021-2025) Strategic Issue 1 Strategic Issue 2 Strategic Issue 3 1. Build confidence 2. Build confidence in the 3. Enhancing learning and added in environmental and safety implementation of good management for stakeholders. governance for stakeholders value with stakeholders Strategy 1.1 : Enhancing knowledge Strategy 2.1 : Enhancing knowledge Strategy 3.1 : Strengtheningengagement and understanding of the environment and understanding of good governance and participation of personnel in and safety practices operations cSotroapteegryati1o.2n :inBueinldvinirgonamneenttwaolrkanodf Strategy 2.2 : Developingacommunication Strategy 3.2 : Developing activities/ safety development system with stakeholders improvement projects with stakeholders eeIEMPatcXxxhOtptioAnieMorTtcreon’nlsswuIasCnpdwolioltapethaanhnsegyteEsersea,b”XnstfsutAciiuosAiiTAelccncd”cashtsitlinAvitafvogyricstioettyytcmsia.vhoor:iAetlmtyv2lhpEs,e0mehoX2“o,tAu1UcrtTa,EnupofXisEdYfgttiAXyrocaoaTAtumpuepTnhsnreguoeycdrpasbGoew,splnereyeiostnt,mtithrncagtCs.usenco,Aetrdnoedslifltvnaereteetogvosiervfetaeltb7a5ohbu5ci0pedotilimeiungbdvaotgiatavrhyreecreetexo:l”rpapncmr1trPmrei0eoemrs0aoenseu%stnjsneiwnhnttciiigcacnptaoy,aagsnmt“diEvcwoCpiXodnoipltAneemhrTscoitvt’ehmsrasc.tautaulaneciknpcnteiitsetofihyveolnosicrt,,nltyEdoel,bXierts“uswArtMseiTloodnOtrsnhiiknncMrhggoeao&csutcsltogaieoMvhrnoiosEtthmpip-eiaSieipsnolarsiryafo,oeritnintcieohtgcsnhenaIdaasELlbniwoyXooniA2vttushoeT1t. Corporate Social Responsibility Operation SeptemEXbAeTr 2h3a,s2i0ss2u0e, dtoabneaunsneoduansceamgueindtel:inEeXAfoTrothnesoimcipallermesepnotnatsiiobnilitoyf psoocliicayl rfeosrpsounsstiabiniliatbyloefdtheeveolrogpamniezanttioonn. the priPnoclipiclyes1o:fExsoecciuatlivreess,ppoenrssiobnilnitye.l, and employees of EXAT are committed to performing their duties following as a syPsotelimcyfo2r :uEsencaosuaraggueidEeXlAinTetfoorshsuoswtaisnoacbialel rbeuspsionnessisboiliptyeriantiothnes,csourcehoapsetrhaetiognusidoeflinEeXsATon(CISSRO i2n6P00ro0caenssd) GRI Standards. 76

ANNUAL REPORT 2021 et(paspChuctrrShoeescRtpiovcaIiSaradiidnnOrlIieinnanPpdb2ggrtr.6lohieentI0ctioxsc0edpci0rptseorehselvnSge)eseanosasGlr.ewcnodliTcdapao,thlymbEsseRXoasseelceAoSnisTrRtcatvpriel.aaihocpatlaeneocrsssgetr.iiitgbsvciIipntiivtlMogieiatennydaIsnsshGi(iitmtbCeeuiairSrlpietdiRtioPsvyearletlatsfioantnt(enaGegrkocRsiveePnIis)hnrttotSoagooconlidesmcedoesinaaspcrarl)siod,abRafrlloteacearnlscenlpcodoscooprwedarnopiinstnnfooirgbgsariaimtsbtlhotioiteleecyittwi,syehmoLo,teycaoirnkiiAnanacAglfnlom-u1rdTer0diesst0pirnpsh0mrigoeeoS,pnnEseos3aSnoircbvisYfniiatielsrgailootanyrrrnledesvmospian(ppr2oegdoe0rn.trtn2tasrAs1atuilo-ifbson2fnoiin0cldi,ts2Sepiyu3trar)sooanmtlhpbdaiogaelinelnrsreaamasalbbtwdiseaoilniebintttdonhyys aMafrsiteenrEdXPllAyaTnmhoaannsnSseoerctaiantlhdReeimvspispoiornonsvibioniflgitcytohfreoproqaruaat3el-iytyseoaocrfiatlelifremreos(pf2o0tnh2se1i-bc2iol0it2my3m)o, puwenhriiatcythioaannl,idg“nsOsopcwieeitrthayt.ti”nhegIt iptshouelnicdyeexfrpratrhmeesesSwwtoraarytkseogiinnc social responsibility for sustainable development. Three-year Strategic Master Plan on Cooperate Social Responsibility (2021-2023) Strategic Issue 1 : Strategic Issue 2 : Strategic Issue 3 : Operating of EXAT in a friendly Promoting communication, Improving the quality of life awareness, and building relationships in communities and society manner Ssotrcaiatel greysp1.o1n :s Pibriolitmy ointionpgercaotioopnes rate Socqtopureaoartlpaeittegyioyrnaa2stn.e1d : IsmaowpcraoiarvelinngreecssospmoomfnusEniXibcaAiltTiiot’nys SlifteraotfeEgXyA3T.’1s p: Iemrspornonveinlganthdeemqupalloityyeeosf Strategy 1.2 : Enhancing service quality iSntrcaotemgym2u.n2i t: yEnanhdanscoicnigalpcaarrteicipation SHteraalttehgyan3d.2S:a PferotyviMdianngagOecmcuenptational Sintroapteegrayti1o.n3s : Enhancinggoodgovernance Swtirtahtesgtya2k.e3h :o SldtreenrsgthinentinhgeRecloaotiopnesrhaiptes oSotpfrealritfaeetgioyonf3s.p3e : oImplperoavffiencgtetdhebyquEaXliAtTy social responsibility of EXAT rSetsraptoengsyib3il.i4ty: iPnroompeortaintgioennsvironmental EXAT’S Activities on Corporate Social Responsibility In the fiscal year of 2021, there were many projects/activities in regarding to corporate social responsibility covering CSR in Process and CSR after Process as follows : 1. “TOGETHER EXAT FIGHTS for COVID” Activity. On May 14, 2021, Mr. Wichan Ekarintrakul, consultant to the Governor (Operation) presided over the activity “Together EXAT FIGHTS for COVID” at At Narong toll plaza, Khlong Toei district, Bangkok with the donation of consumer goods value of 100,000 baht to the Khlong Toei 4 communities comprising of Nong Mai Community, Log 1-2-4 Community, Log 4-5-6 Community and Rom Klao Community. 2. “2nd, TOGETHER EXAT FIGHTS for COVID” Activity. On September 10, 2021, Mrs. Sujinda Jarujit, Director of the EXAT’s Governor Office presided over the activity “2nd, Together EXAT Fights for COVID” with the donation of consumer goods and COVID protective equipment value of 100,000 baht to the Koh Klang Community which is a community surrounding Chalong Rat Expressway. The activity accounted for friendly operation and uplift the quality of life for the community and society. 3. EXAT supported the COVID-19 vaccination with food box, delicacies and drinking water to the medical personnel and operational staff at the Bang Sue Grand Station Injection Center during July- September 2021. 77

Expressway Authority of Thailand Business Conditions, Plans and Strategies Expressway Authority of Thailand (EXAT), Ministry of Transport, performs its operations according to policy indicating its main mission to serve and increase the efficiency of quality expressways on capacity of solving traffic problem around Bangkok Metropolis and Vicinity on foundation of solid business management as well as responsibilities towards society and environment. Up to present, 8 expressways existing under EXAT has been opened to the public covering total length of 224.6 kilometers comprising of Chalerm Maha Nakhon Expressway, Si Rat Expressway, Chalong Rat Expressway (Ram Inthra-At Narong and the Ram Inthra-Outer Bangkok Ring Road) Burapha Withi Expressway, Udon Ratthaya Expressway, Bang Na-At Narong Expressway, Kanchanaphisek Expressway (Bang Phli-Suksawat) and Si Rat-Outer Bangkok Ring Road Expressway. In this regards, the EXAT’s plan and strategies are implementing for the operations to develop its network system to be able to completely connect with each other as follows : Expressway Under Construction Projects RAMA III-Dao Khanong-Western Outer Bangkok Ring Road Project The projects aim to facilitate the expansion of the expressway’s network to handle traffic between inner and outer areas of the Metropolis, traffic flows on Rama II road as well as Chalerm Maha Nakhon Expressway, at the same time, as a substitution in case Rama IX Bridge requires major maintenance since it has long been in service for more than 30 years. The starting point of the project is to converge with the split-level road project on Highway No. 35 of the Department of Highway at km 13+000 of Rama II Road near Bang Khun Thien Interchange composing of 6 traffic lanes (3 lanes for each direction), overlapping along the median of Rama II’s traffic island to reach Dao Khanong Toll Plaza from north-eastern direction, then overlapping the Chalerm Maha Nakhon Expressway to reach Rama III Road closes to Bang Khlo Interchange of which the ending point linking with Chalerm Maha Nakhon Expressway and Si Rat Expressway. New 8 lanes bridge crossing the Chao Phraya River will be newly constructed and aligned to the south of Rama IX Bridge with 7 on-off ramps as well as one interchange with total length of 18.7 kilometers. Investment Value : Initial investment value amount of 31,244 million baht comprising of : - Land ownership arrangement 807 million baht - Construction (include work supervision) arrangement 30,437 million baht Project Implementation Plan - Construction period : January 2020-September 2024 - Open for service : October 2024 Future Expressway Projects 1. The Third Stage, Phase One (Section N2 Prasert Manukit-Eastern Bangkok Outer Ring Road) The project aims to solve traffic problems on Prasert Manukit and Pradit Manutham roads at the intersection of Chalong Rat Overpass, lighten the traffic condensation around the Prasert Manukit traffic light area and also converge the complete East-West Corridor of the Expressway’s network. The Project 78

ANNUAL REPORT 2021 starts from Km 1+000 of Prasert Manukit Road is an overpass of 4-traffic lane size (2 lanes for each direction), overlapping along the alignment of traffic median of Prasert Manukit Road across the Bang Bua canal, passing through the intersections of Wang Hin, Senanikom and Sukontasawat, linking Chalong Rat Expressway at the intersection of Prasert Manukit and Pradit Manutham Roads, passing through the intersection of Nawamin road and Prasert Manukit road until the end of the project converges to the Eastern Outer Ring Road at the length of 11.3 kilometers. The line way of the Section N2 project is overlapping with the brown line of Metropolitan Rapid Train on Kairai-Lum Salee (Bueng Kum) area. Investment Value : Initial investment value amount of 16,960 Million Baht comprising of : - Land ownership arrangement -  Million Baht - Construction (include work supervision) arrangement 16,960 Million Baht Project Implementation Plan - Construction period : February 2022-January 2025 - Open for service : February 2025 2. Kathu-Patong Expressway Project, Phuket Province The project aims to connect travelling road for tourists and local people from Kathu District to Patong beach and to alleviate traffic problems and accidents on the National Highway No. 4029 as well as being an evacuate route in case of natural disasters. The construction project of split-level road is engaging with a tunnel in mid of the line, starting from Phra Metta Road (Principle City Plan Road Route A) in Patom Sub-District, Kathu District. The project of 4-lane road (2 lanes for vehicles in each direction and 2 lanes for motorcycles in each direction) is elevating to cross Phisitkorani Road until reaching Khao Nak Koet covering total length of 0.9 kilometers, penetrating into Khao Nak Koet with 1.85 kilometers in length, then after the mountainous area the road is split into level with the length of 1.23 kilometers prior to terminating at Kathu Sub-District, Kathu District, crossing at the intersection point of the National Highway No. 4029 with the total length of 3.98 kilometers. Investment Value : Initial investment value amount of 14,470 million baht comprising of : - Land ownership arrangement 5,792 million baht - Construction (include work supervision) arrangement 8,678 million baht Project Implementation Plan - Construction period : July 2023-June 2027 - Open for service : July 2027 3. The Third Stage Phase 2 (Section N1 Substitution Bang Sue-Prasert Manukit Road) The project aims to solve traffic problems on Bangkok Metropolis area main eastern-western roads network consisting of Ngarm Wong Wan Road, Prasert Manukit Road and surrounding roads network with traffic condensation due to great number of vehicles overloaded the capacity of the roads. The expressway network development is required in order to efficiently cover the linkage traffic on East-West Corridor as well as support sufficiently and effectively for the economic and city expansion in the future. The project starting point links with Si Rat Expressway-Bangkok Outer Ring Road at the Bang Sue Central Station area, is a 4-traffic lane heading north and turning right to the alignment of Ngarm Wong Wan Road, Kasetsart University and linking with N2 Expressway with the total length of 7.1 kilometers. 79

Expressway Authority of Thailand Investment Value : Initial investment value amount of 20,910 million baht comprising of : - Land ownership arrangement  7,810 million baht - Construction (include work supervision) arrangement 13,100 million baht Project Implementation Plan - Construction period : September 2024-August 2027 - Open for service : September 2027 4. Chalong Rat-Nakhon Nayok-Saraburi Expressway Project (Chatu Chot-3rd Bangkok Outer Ring Road) The project aims to mitigate traffic problems of current roads and Highway networks, facilitate convenient travel and good logistics between Bangkok and upper central region and north-eastern region. In addition, it also supports the development in Patum Thani, Nakhon Nayok and Saraburi provinces with the starting point links to Chalong Rat Expressway at Chatu Chot toll plaza on eastern Bangkok Outer Ring Road. The project consists of 6-traffic lane, aligns eastward cutting through Hatairaj Road, then turns north-eastern upward to link with the 3rd Bangkok Outer Ring Road at Lam Luk Ka Road, Rangsit-Nakhon Nayok Road with the total length of 17 kilometers. Investment Value : Initial investment value amount of 21,919 million baht comprising of : - Land ownership arrangement 1,060 million baht - Construction (include work supervision) arrangement 20,859 million baht Project Implementation Plan - Construction period : January 2024-December 2026 - Open for service : January 2027 5. Expressway Link Connecting Burapha Withi Expressway and Chon Buri Bypass Project The project aims to solve traffic congestion problems on surrounding network roads and develop transportation infrastructure in order to support the Eastern Economy Corridor (EEC) Project in terms of sustainable traffic solution. The starting point is connecting from the termination point of current Burapha Withi Expressway Km 53+538. The split-level expressway consists of 6-traffic lane (3 lanes in each direction) aligning along the median of Theparat Road and turns left to Chon Buri bypass road with 2 on-off ramps connect to the Nong Mai Daeng split level intersection where the terminated point located at Km 57+893 with the total length of 4.4 kilometers. Investment Value: Initial investment value amount of 4,964 million baht comprising of : - Land ownership arrangement  311 mllion baht - Construction (include work supervision) arrangement 4,653 million baht Project Implementation Plan - Construction period : July 2023-June 2025 - Open for service : July 2025 6. Expressway Link Connecting Bangkok Port and Bang Na-At Narong Expressway (S1) Project The project aims to increase the efficient service of the Bangkok Port and solve traffic problems on surrounding seaport’s roads in order to facilitate convenient and direct connection route to freight trucks from Port Distribution Center which will enhance the performance of the Bangkok Port to support 80

ANNUAL REPORT 2021 the expansion of the economy and the demands of goods transport in the future. The project’s starting point is connected with the area of Terminal and Distribution Center of the Bangkok Port with 4-traffic lane (2-lane for each direction), going along the median of road inside Bangkok Port and connects to Bang Na-At Narong Expressway (S1) at the split level intersection which enables to connect to Eastern Burapha Withi Expressway and Northern Chalong Rat Expressway at total length of 2.25 kilometers. Investment Value : Initial investment value amount of 2,736 million baht comprising of : - Land ownership arrangement - million baht (Port Authority’s land) - Construction (include work supervision) arrangement 2,736 million baht Project Implementation Plan - Construction period : October 2023-September 2025 - Open for service : October 2025 7. Expressway Muang Mai-Koh Kaew-Kathu, Phuket Province Project This project aims to mitigate traffic congestion problems on National Highway No. 402 which is the only main road linking the Phuket International Airport and the northern part of Phuket to Phuket Town and various tourists’ sites. It will also increase transport potentiality and solve traffic problems in Phuket city as well as enhance convenience and safety to travellers. The starting point is from Thepkrasattri District at the intersection TorLor. 4026 and straight southward paralleling with TorLor. 402 until it reaches the intersection with TorLor. 4024 (City Bypass) located at Koh Kaew District with the connecting route links from Muang Mai-Koh Kaew located at Sri Soonthon Sub-district towards south paralleling with TorLor. 4024 and ends at the Kathu Sub-district located at the intersection with TorLor. 4029 linking with the Kathu-Pa Tong Expressway, Phuket province with the total length of 30 kilometers. Investment Value : Initial investment value amount of 30,456 million baht comprising of : - Land ownership arrangement 17,054 million baht - Construction (include work supervision) arrangement 13,402 million baht Project Implementation Plan - Construction period : December 2024-November 2027 - Open for service : December 2027 Electronic Toll Collection System : ETCS Expressway Authority of Thailand (EXAT) has launched the electronic toll collection system whereas Easy Pass can be used by the service users on Chalerm Maha Nakhon Expressway, Chalong Rat Expressway, Kanchanaphisek Expressway (Bang Phli-Suksawat), Si Rat Expressway, Burapha Withi Expressway, Udon Ratthaya Expressway and Si Rat Expressway-Outer Bangkok Ring Road, including, split level expressway on southern part of Suvarnabhumi Airport linking with Burapha Withi Expressway and the expressway links between Kanchanaphisek Expressway (Bang Phli-Suksawat) and Burapha Withi Expressway. A joint electronic toll collection system service which links the M-Pass and the Easy Pass enables the Easy Pass users to use their cards on Motorway No. 9 (Bang Pa In-Bang Na) and Motorway No. 7 (Bangkok-Chon Buri). At present there are 2.17 million Easy Pass users (as of September 30, 2021). 81

Expressway Authority of Thailand Currently, the EXAT has launched the Easy Pass Enrolment Service to users as follows : 1. Toll plaza building except Si Rat-Outer Bangkok Ring Road Expressway 2. One Stop Service Center at EXAT’s Administration Building 3. Two Easy Pass Fast Service Centers consist of : - Si Rat Expressway Control Center (CCB2) on Asoke-Din Daeng Road - Rest area of PTT Petrol Station at Bang Na (outbound) In addition, service users are also accommodated with online service via TrueMoney Wallet application which will help facilitate both the enrolment and device delivery. After the registration, the device will be home delivered within 2-5 working days. For the Easy Pass Top-Up Service, there are internal and external agencies to facilitate the service users as follows : (1) Internal Agencies 1. Toll plaza building except Si Rat-Outer Bangkok Ring Road Expressway 2. One Stop Service at EXAT’s Administration Building 3. Two Easy Pass Fast Service consist of - Si Rat Expressway Control Center (CCB2) on Asoke-Din Daeng Road - Rest area of PTT Petrol Station at Bang Na (outbound) Further more, there are a Top-Up Service through QR Payment System (the process is to scan QR Code and payable by credit/debit card through the Electronic Data Capture (EDC)) at Din Daeng toll plaza, Dao Khanong toll plaza, Bang Na toll plaza and Sukhumvit 62 toll plaza as well as automatic Kiosk at Easy Pass Fast Service at rest area PTT Petrol Station Bang Na (outbound). (2) External Agencies of 15 channels as follows : 1. Krung Thai Bank Public Co., Ltd. 9. Tesco Lotus 2. Siam Commercial Bank Public Co., Ltd. 10. True Money Co., Ltd. 3. Kasikorn Bank Public Co., Ltd. 11. 2c2P (Thailand) Co., Ltd. 4. Bangkok Bank Public Co., Ltd. 12. mPay Wallet of Advanced mPay Co., Ltd. 5. Counter Service Co., Ltd. (7-Eleven) 13. Big C Service Counter 6. TTB Bank Public Co., Ltd. 14. Government Savings Bang 7. Bank of Ayudhya Public Co., Ltd. 15. Shopee Pay (Thailand) Co., Ltd. 8. UOB Bank Public Co., Ltd. 82

ANNUAL REPORT 2021 The Easy Pass’s enrolment is available for all service users and the minimum top-up amount for expressway is only 300 baht. From August 1,2021 onwards, the electronic tax invoice sent by E-mail monthly also available for service users’ convenience which will reduce paper-waste, environmental care and physical contact. EXAT Right-of-Way Area Development The EXAT has concerted and developed areas for public usage within the right-of-way in fiscal year 2021 of total 566,642.06 square wah as follows : 1) Arranging small gardens and public parks 280,695.07 sq. wah 2) Building sports field 32,735.88 sq. wah 3) Constructing short route/bicycle lanes 63,180.19 sq. wah 4) Other public benefits 86,500.05 sq. wah 5) Area for rent 103,530.87 sq. wah As a result, EXAT has permitted government agencies such as Bangkok Metropolitan Administration (BMA) and other government agencies to use right-of-way area for social and public benefit such as carrying out public parks and small gardens, building sport fields, constructing shorter route/bicycle lanes and utilizing the areas for other public benefits such as overpass pedestrian bridges, pumping station, waste water treatment pond, water clarifier pond, improving/expanding traffic surface, providing walkways, installing electric lights for 353 locations with the total are of 352,507.32 square wah, details as follows : - BMA of 161 locations, total area of 216,667.77 square wah - Other government agencies of 192 locations, total area of 135,839.55 square wah However, there are areas to be developed for social and public still available to accommodate tree plantation, small parks and utilize the area for additional access road in expressway area at total of 110,603.87 square wah. In the fiscal year of 2021, EXAT has executed the area development for public along the expressway’s lines as follows : 1) Si Rat Expressway - Bangkok Metropolitan Administration and other government agencies were permitted to utilize the area for public and social benefits, for instance, Nonthaburi Municipality utilized the area for water pumping machine control building, polls installed for transformer wires and boat piers building with approximate total area of 20 sq. wah. Ramathibodi Hospital utilized the area for car parking space with total area of 571 sq. wah. Phayathai Waterworks Office utilized the area for water plumbing of 98 sq. wah. Tung Mahamek Waterworks Office utilized the area for landscape renovation and water pipe ways of 18 sq. wah. - EXAT planted trees and other public benefits 2) Udon Ratthaya Expressway - Government agencies were permitted to beneficially utilize the area, for instance, Pak Kret Municipality utilized the area for green house, exercise yard and fire trucks parking space with total areas of 6,890.25 sq. wah. - EXAT planted trees and other public benefits 83

Expressway Authority of Thailand 3) Kanchanaphisek Expressway - Other government agencies were permitted to beneficially utilize the area, for instance, Bang Kaew City Municipality utilized the area ranging from Nham Daeng-Bang Phli Road to Bang Na-Trad Road for road construction and water drainage way with total area of 2,414.20 sq. wah. - EXAT planted trees and other public benefits EXAT Call Center Service EXAT Call Center 1543 provides information service to users for 24-hour concerning EXAT’s information, traffic route and condition on expressways, administrative assistances of emergency/ accidents on the Expressways or any requirement of assistance through cooperation so as to be promptly accommodated and to help expressway users and general public. In cooperation with the Ministry of Transport and relevant agencies, it obtains complaints as well as recommendations and follows up response to any complaints to be conclusive as soon as possible. In the fiscal year of 2021, the average daily number of the service users is 666. EXAT Website Service (www.exat.co.th) EXAT has managed to publicize information and overall achievement through www.exat.co.th. The website system has been improved and developed to support various additional applications such as operating systems on smartphone and other mobile communication devices. EXAT’s website is presented in an up-to-date, easy-to-use and speedy style, making dissemination of information efficiently reach expressway service users as well as general public. In addition, complaints system has been also available in the EXAT’s website page to facilitate the service users and general public for information inquiry, complaints, recommendation and suggestion of service. The satisfaction survey result of the service users towards EXAT’s service and image for the fiscal year 2021 indicated that the satisfaction level to the overall service of www.exat.co.th was 88.24%. Furthermore, EXAT has publicized and disseminated its information through Facebook (www.face.com/Expressway.Thailand) with 25,663 Like Members and 26,542 Followers as well as the Official Twitter (www.twitter.com/ExatWebmaster) with 6,626 Followers. EXAT Intranet, EXAT Sound, EXAT Digital Signage and Multi-Touch System (I-Touch) EXAT publicizes internal information through EXAT’s intranet, sound, digital signage and multi-touch (I-Touch) system in forms of news information, press release, slides, video, graphic displays, texts and notifications useful for work performance. All of these channels help improve learning and skill of personnel, create positive work environment and serve as means of two-way communication which is beneficial to personnel and organizational development as a whole. 84

ANNUAL REPORT 2021 EXAT Public Information Center In reference to Articles 7,9 and 11 of the Official Information Act B.E.2040, EXAT Public Information Center was established to provide information service to general public for their convenience and rapidity as well as give lectures on knowledge of the mentioned Act. The Center also serves as an observation site for governmental and state enterprise sectors to ensure that all governmental public information centers are established in line with the EXAT’s original center. EXAT’s Public Information Center located at 1st floor of the Administrative Building, Head Office, address 111 Rim Klong Bang Kapi Road, Bang Kapi Sub-district, Huay Kwang District, Bangkok 10310, Tel 0 2558 9518, 0 2558 9800 ext. 10722, Fax 0 2558 9681. The Center is opened on office hours from 08.30-16.30 hrs. Regardless of the advised office hours, the contact can be accessed through EXAT Call Center 1543 throughout 24 hours (no exception of official holiday) or the website www.exat.co.th for further information. One Stop Service Center EXAT has launched One Stop Service Center located at 1st floor of the Administration Building in Head Office in order to provide service consisting of Easy Pass top-up service, tax invoice of purchase and procurement document issuance service, rental pavement payment for the right-of-way area service, land acquisition checking service and general expressway information service. Social and Public Beneficial Special Activities 1. “Expressway on Your Side to Fight the Cold” Project EXAT was in corporation with the Disaster Prevention and Mitigation Office of Nakhon Nayok province with a total donation of 5,000 blankets for the cold weather victims in Nakhon Nayok Province on December 24, 2020 at Baan Na District Office in Nakhon Nayok province. 2. Sharing Smiles with Kids Surrounding Expressway Activity EXAT organized an activity called “Sharing Smiles with Kids Surrounding Expressway” on the occasion of Children’s Day 2021. A donation for educational scholarships as well as supporting for book buying, computer with equipment, Smart televisions and steam ventilations were provided to Watthasanaroonsoontarikaram ( Wat Tapaan) on March 5, 2021. 3. Expressway for Youths EXAT organized an activity “Expressway for Youths” with the providing of educational scholarships to youth in the communities and schools surrounding the expressways. The giving of total 84 scholarships 10,000 baht/each for youths in communities and schools had taken place during June 28-July 16, 2021. 85

Expressway Authority of Thailand EXAT’s Operation under the Official Information Act B.E. 2540 (1997) Expressway Authority of Thailand (EXAT)’s operation adheres to the Official Act B.E. 2540 (1997) as described below : 1. Monitoring work performance pursuant to the Official Information Act B.E. 2540 (1997) 1.1 Issue an EXAT’s order No. 67/2018 on departmentalization and determination of duty and responsibility of each working part of EXAT dated April 9, 2018. The Corporate Governance Division (CGD) under the Office of the Governor (OG) is assigned to operate EXAT Public Information Center. The Division shall also provide information according to Article 7 and Article 9 of the Official Information Act B.E. 2540 (1997) for general public public access and cooperation to ensure any performance in compliance with the Official Information Act B.E. 2540 (1997). 1.2 Set as significant policy of the state agency by emphasizing that “Disclosure is the core, concealing is an exception” since the Act came in forces. EXAT issued an announcement of its policy on adherence to the Official Information Act B.E. 2540 (1997) dated April 24, 2012. 1.3 Establish EXAT Information Center (on December 3, 1998) under the Information Analysis and Dissemination Section, Good Governance Division, Office of the Governor. The EXAT Information Center is located at 1st floor, Administration Building in EXAT Head Office address 111 Rim Khlong Bang Kapi Road, Bang Kapi Sub-district, Huay Kwang District, Bangkok 10310 Tel 0 2558 9518, 0 2558 9800 ext. 10722 Fax. 0 2558 9681 with the services provided on weekdays from 08.30-16.30 hrs. After office hours, contact EXAT Call Center 1543 through out 24 hours (7 days weekly). For more information, contact via EXAT website at www.exat.co.th. 1.4 Appoint Deputy Governor for Law and Land Acquisition to supervise any performance in compliance with the Official Information Act B.E. 2540 (1997) and appoint “EXAT Information Committee” Composing of Deputy Governor for Law and Land Acquisition as Chairperson, Department/ Office Directors as commitee member and Director of Corporate Governance Divisions as Committee member and secretary. The committee is in charge of determining the policy and measures and giving suggestions on the adherence to the Official Information Act B.E. 2540 (1997) as well as the Rule on Official Secrets Protection B.E. 2544 (2001) and Amendment. 86

ANNUAL REPORT 2021 1.5 Arrange the internal audit on public information services complying with the principles of information disclosure and transparency which is considered as one of the corporate governance approaches. Suggestions were given for better improvement of work. 1.6 Issue the Announcement on fee collection, request for a copy or certified true copy of EXAT information dated June 15, 2012 which was promulgated in the Royal Government Gazette, Vo. 130, Special Part 190 Ngor dated December 26, 2013. 1.7 Provide the EXAT’s Regulation on EXAT Information B.E. 2560 (2017) dated May 8, 2017, which was promulgated in the Royal Government Gazette, Vo. 134, Special Part 173 Ngor dated June 29, 2017 and EXAT Information (No. 2) B.E. 2561 (2018) dated September 6, 2018, which was promulgated in the Royal Government Gazette, Vo. 135, Special Part 282 Ngor dated November 8, 2018. 1.8 Issue an EXAT’s Order No. 384/2014 on delegation of duty and responsibility adhering to the Rule on Official Secrets Protection B.E. 2544 (2001) dated December 23, 2014. 1.9 Issue an EXAT’s Order No. 105/2018 on appointment of Secret Information Registrar and Registrar Assistant dated June 8, 2018 1.10 Issue an EXAT’s Order No. 106/2018 on appointment of Secret Information Audit Committee dated June 8, 2018. 2. Recognition/Award for EXAT 2.1 Selected as a role model on public information services and adherence to the Official Information Act B.E. 2540 (1997) in Ministerial Level, on July 1, 1999. 2.2 Awarded certificate for the establishment of the public Information Center for general public service as a role model on its performance following the Official Information Act B.E. 2540 (1997) on January 14, 2008. 2.3 Obtained the plaque from Prime Minister (Mr. Abhisit Vejjajiva) on February 4, 2011 as an outstanding agency in establishing a Public Information Center in the fiscal year 2010. 2.4 Obtained State Enterprise Excellence Award on the “2012 Operational Plan of EXAT Information Center following the Official Information Act B.E. 2540 (1997)” in the contest of Corporate Governance Promotion Plan for State Enterprise in Year 2012 organized by the Office of the National Anti-Corruption Commission (NACC). The shield of honor and the cash prize of 150,000 baht were awarded by NACC Chairman on November 16, 2012. 2.5 Obtained shield of honor award as a role model on the establishment of Public Information Center in Ministerial Level in Year 2012 awarded by Minister of Prime Minister’s Office (Mr. Varathep Ratanakorn) as chairperson of the Official Information Board who was assigned by Prime Minister (Ms. Yingluck Sinawatra) on August 9, 2013. 87

Expressway Authority of Thailand 3. Promotion and development of knowledge and understanding on principles, essence, benefits and guidelines on the exercising of rights under the Official Information Act B.E. 2540 (1997) 3.1 Attended seminar program on topic “Disclosure of Official Information according to Official Information Act B.E. 2540 (1997) on the Fiscal Year 2021” in online conference through electronic system Zoom Cloud Meeting on July 30, 2021 which was organized by the Ministry of Transport. 3.2 External agencies paid educational visits at the EXAT’s Information Center during year 2020-2021 were as follows : - November 18, 2020 : Habor Department 3.3 Organized on-the-job-training (OJT) course inside EXAT on “Knowledge of the Rule on Official Secrets Protection B.E. 2544 (2001) and the additional revision of “Guidelines to Handle Confidential Information” to the confidential information registrar, registrar assistant and assigned personnel total of 135 on December 25, 2020. 3.4 Dispatched EXAT’s officers from its Information Center to join in 2021 annual program of Official Information Act B.E. 2540 (1997) through E-Learning organized by the Office of the Civil Service Commission (OSCS) total of 140 which was scheduled on May 2021. 3.5 Organized training course related to Official Information Act B.E. 2540 (1997) through E-Learning orientation program for new employees for fiscal year 2021 with online system of Application Zoom at Meeting Room 1501, 15th floor Administration Building of EXAT on July 21, 2021. 4. Information Services as Requested by General Public and Responses to Consultation In fiscal year 2021, there were requests from 40 people for information review at EXAT Public Information Center (information as of September 30, 2021) which was the information according to Article 7, 9 and 11 of the Official Information Act B.E. 2540 (1997). EXAT has improved the information retrieval system and document files, arranged handbooks and pamphlets introducing EXAT Public Information Center as well as public relations bulletin board, and provided the place for information services, Additionally, service user opinion was gauged through customer satisfaction survey questionnaires for further consideration on information disclosure. 88

ANNUAL REPORT 2021 Report of the Board of Directors’ Responsibility for the Financial Report The Exat’s Board of Directors has attached great importance to, and has been responsible for, financial reports. It has provided oversight to ensure that the EXAT’s financial statements are prepared in accordance with the Thai Financial Reporting Standards, appropriate accounting policies are used and adhered to on a regular basis, material data are adequately and appropriately disclosed, and the financial statements are audited and certified by the Office of the Auditor General of Thailand (OAG). The Exat has appointed the Audit Committee, which was composed of independent directors, to ensure the audit and verification of financial reports, the risk management system, the internal control system, and internal audit are efficient and comply with relevant rules, regulations, and requirements. The Exat’s Board of Directors has been of the opinion that the EXAT’s financial reports for the year ending on 30 September 2021 are reliable based on the Thai Financial Reporting Standards and correct in substantive matters based on generally accepted accounting priniples. (Mr. Soraphong Paitoonphong) Chairman of the Exat’s Board of Directors 89

Expressway Authority of Thailand Auditor’s Report To the Board of Expressway Authority of Thailand Opinion The State Audit Office has examined the financial statements of the Expressway Authority of Thailand. It consists of a Statement of financial position as of September 30, 2021, a Statement of Comprehensive Income, a Statement of Changes in Equity, a Statement of Cash Flows for the Year Ended, and Notes to the financial statements, including notes summarizing important accounting policies. The State Audit Office is of the opinion that the above financial statements reflect the financial status of the Expressway Authority of Thailand as of September 30, 2021; operating results and the cash flows for the Year ended on the same date were, in essence, fair in accordance with Thai Financial Reporting Standards. Criteria for the audit opinion The State Audit Office conducted audits following the State Audit and Auditing Standards. The responsibilities of the State Audit Office are described in the Auditor’s Responsibilities section for the Audit of the Financial Statements in the reports of the State Audit Office. The State Audit Office is independent of the business under the standard rules relating to the State Audit set forth by the State Audit Commission and the Professional code of conduct requirements set by the Federation of Accounting Professions. Concerning the audit of the financial statements and the Office of the State Audit Office, it has complied with other ethical responsibilities under the Auditor-General’s standard rules and regulations and these codes of conduct. The State Audit Office believes that audit evidence obtained by the State Audit Office is sufficient and appropriate to be used as a criterion for expressing opinions of the State Audit Office . Highlighted information and events The State Audit Office takes note of Note 4 and Note 5.24.5 to the financial statements as explained in Note 5.24.5 to the financial statements. On February 20, 2020, the Expressway Authority of Thailand signed the revised contracts with the parties. It comprises two projects; the Second Stage Expressway Project Agreement (Revised) and the Bang Pa-In-Pak Kret Expressway Project Agreement (Revised), which have been extended to the parties after the last date of the contract. Originally, each issue was issued until October 31, 2035. These contracts have conditions for the parties to cancel and revoke all disputes under the original contract. Both the Supreme Administrative Court part has already ruled and the part that is still a dispute or lawsuit that has not yet been settled. This includes litigation and other disputes that have already arisen or may arise in the future on the same or related issues under the original contract. The agreement, termination, cancellation of all disputes, and the extension of the term of the said contract have the content of acknowledging the debt condition and repaying the debt by extending the period for the parties to receive their revenue share. Therefore, the State Audit Office of the Kingdom of Thailand 90

ANNUAL REPORT 2021 Expressway Authority of Thailand must record the recognition of liabilities from litigation and disputes that the Expressway Authority of Thailand has negotiated to settle litigation and disputes. Also, it must record litigation costs and disputes from those previously recognized when the Supreme Administrative Court ruled that the Expressway Authority of Thailand paid compensation for the reduced revenue from the construction of competing routes. In addition, it must record the recognition of the right to the counterparty to receive a share of toll revenue under the revised contract to settle the debt as a pending transaction and gradually recognized as revenue over the term of the contract. However, in preparing and presenting financial statements for the year ended September 30, 2020, the Expressway Authority of Thailand has not recognized such accounting transactions as described in Note 4 to the financial statements. The Expressway Authority of Thailand corrected the error mentioned above by retrospectively restating the financial statements for the year ended September 30, 2020, to recognize an increase in liabilities of 71,989.88 million baht, recognized an increase in expenses of 73,993.42 million baht (shown in the list of administrative expenses) and recognized revenue from the contract period extension as pending income of 71,989.88 million baht. Therefore, the Expressway Authority of Thailand has presented the revised financial statements for the year ended September 30, 2020, as comparative information in presenting the financial statements for the year ended September 30, 2021. The State Audit Office does not express a conditional opinion on this matter. Other information Management is responsible for other information. The other information comprises the information included in the annual report but does not include the financial statements and auditor’s report contained in that annual report. The management will prepare an annual report to the State Audit Office after the date of this auditor’s report. The State Audit Office’s opinions on the financial statements do not cover the other information. The State Audit Office does not provide any assurances about the other information. The responsibility of the State Audit Office in connection with the audit of the financial statements is to read and determine whether other information has a material conflict with the financial statements or with the knowledge gained from the audit of the Office of the Auditor-General or it appears that other information contains material misstatements or not. When the State Audit Office has read the annual report, it must communicate such a matter with those responsible for supervision if it concludes that there is a material misstatement of the information. Responsibilities of executive and supervisor of the financial statements Management is responsible for preparing and presenting these financial statements according to standards. Management considers financial reporting and responsibility for internal control necessary to prepare financial statements free from material misstatement, whether due to fraud or error. In preparing the financial statements, management is responsible for evaluating the entity’s ability to continue as a going concern, disclosing matters related to the going concern, and applying the going concern accounting criteria. Unless the management intends to liquidate the business or stop the operation or is unable to continue as a going concern. The supervisor of the financial statements is responsible for overseeing the entity’s financial reporting process. Auditor’s responsibilities for the audit of financial statements Auditing of financial statements of the State Audit Office is to obtain reasonable assurance that the financial statements are free from material misstatement, whether due to fraud or error, and present an auditor’s report, which includes the opinion of the State Audit Office with reasonable assurance. State Audit Office of the Kingdom of Thailand 91

Expressway Authority of Thailand It is a high level of assurance but is not a guarantee that an audit under International Auditing Standards and Auditing Standards will detect a material misstatement of the fact that always exists. Misstatements may result from fraud or error. It is considered material if it is reasonable to foresee that each or all of the misstatements in the aggregate will influence the economic decisions of the parties from the use of these financial statements. An audit performed by the State Audit Office follows standard rules relating to the State Audit and Auditing Standards. It also exercises professional discretion, observation, and suspicion. The auditing operations of the Office of the Auditor-General also include : • Identify and assess the risks of material misstatement of the financial statements, whether due to fraud or error. Design and perform audit procedures responsive to those risks and obtain audit evidence that is sufficient and appropriate to provide a basis for the Office of the Auditor-General’s opinion. The risk of not detecting a material misstatement resulting from fraud is higher than the risk of error because fraud may involve collusion, falsification of documentary evidence, intentional omissions, misrepresentation, or interference with internal controls. • Understand internal control relevant to the audit to design audit procedures that are appropriate in the circumstances but not to express an opinion on the effectiveness of the entity’s internal control. • Evaluate the appropriateness of accounting policies used by management and the reasonableness of accounting estimates and related disclosures made by management. • Conclude on the appropriateness of management’s use of the going concern basis of accounting and based on the audit evidence obtained. Conclude whether there are material uncertainties relating to events or circumstances that may cast significant doubt on the entity’s ability to continue as a going concern. Suppose the State Audit Office has concluded that the uncertainty is material. In that case, the State Audit Office shall address it in the auditor’s report of the Office of the Auditor-General. The State Audit Office shall note the disclosure of information in the related financial statements. If such disclosure is insufficient, the opinion of the State Audit Office will change. The State Audit Office’s conclusions are based on the audit evidence obtained up to the date of the auditor’s report. However, future events or circumstances may cause the entity to cease continuing as a going concern. • Evaluate the financial statements’ overall presentation, structure, and content and include disclosures on the financial statements, transactions, and events to enable fair presentation. The State Audit Office communicates with those charged with supervision on important matters, including the planned scope and timing of the audit and significant audit findings. It also includes substantial deficiencies in the internal control system if the State Audit Office is found during the audit of the Office of the Auditor-General. (Ms. Suntree Tangkanchanaphat) Director of the Financial and Procurement Audit Office No. 12 (Mrs. Pakakrong Cheenglai) State Audit Officer, Professional Level State Audit Office of the Kingdom of Thailand March 10, 2022 92

ANNUAL REPORT 2021 Financial Position Statement of Financial Position As of September 30, 2021 Asset Note 2021 Unit : Baht 2020 Current Assets 5.1 10,086,070,000.02 (new update) Cash and cash equivalents 5.2 15,811,869,018.55 Temporary Investment 6,850,738,195.59 Other accounts receivable 5.3 544,193,634.14 511,153,204.98 Accrued money from the government 5.4 620,269,062.47 413,866,323.54 Other current assets 990,720,218.47 707,535,962.47 5.5 28,053,121,933.65 Total current assets 5.6 1,471,987,818.80 Non-current assets 5.7 161,591,469.68 9,955,281,505.38 Fixed deposit with obligations 16,328,000,000.00 Fixed deposit more than one year 5.8 181,478,793,038.63 156,487,988.68 Property, plant and equipment-net 5.9 39,404,000,000.00 Intangible assets-net 41,647,954.73 183,200,007,617.34 land use rights 5.10 1,649,412,227.65 Work in progress 11,959,159,868.38 27,292,161.99 Expenses for engineering management 1,649,412,227.65 pending transfer 69,715,279.87 6,037,544,671.89 Other non-current assets 240,233.00 69,715,279.87 Total non-current assets 211,688,560,071.94 240,233.00 Total assets 239,741,682,005.59 230,544,700,180.42 240,499,981,685.80 Notes to financial statements form an integral part of these financial statements. 93

Expressway Authority of Thailand Statement of Financial Position (Continued) As of September 30, 2021 Liabilities and Equity Note 2021 Unit : Baht 2020 Current liabilities 5.11 2,685,653,025.64 (new update) Trade and other payables 5.12 6,524,436,278.81 Portion of long-term liabilities due 1,960,234,296.92 within one year 5.13 705,685,393.46 5,500,000,000.00 Retention guarantee 5.14 1,285,605,971.70 Advance income 5.15 282,101,064.64 Other current liabilities 5.16 345,889,583.53 1,244,848,290.73 5.16 11,547,270,253.14 Total current liabilities 5.17 12,060,021,470.41 366,604,380.70 Non-current liabilities 5.18 1,000,000,000.00 9,353,788,032.99 Government loan 5.19 44,811,000,000.00 14,078,898,157.36 Expressway Authority of Thailand Bonds 3,170,193,681.80 6,700,000,000.00 Liabilities under the transfer of income 44,811,000,000.00 rights to the Fund 100,083,495,721.22 3,041,604,032.75 Accrued interest payable 2,000,903,792.68 on the contract of transfer of 16,848,418.35 104,155,223,071.45 income rights to the Fund 1,014,628.32 1,951,916,474.54 Revenue waiting to be recognized 15,416,535.77 Employee benefit obligations 163,143,477,712.78 1,014,628.32 Welfare Fund 174,690,747,965.92 Other non-current liabilities 174,755,072,900.19 76,990,314,520.31 184,108,860,933.18 Total non-current liabilities (11,939,380,480.64) Total liabilities 65,050,934,039.67 76,990,314,520.31 Share of equity 239,741,682,005.59 (20,599,193,767.69) Equity 56,391,120,752.62 Retained earnings : 240,499,981,685.80 Not allocated Total equity Total liabilities and equity Notes to financial statements form an integral part of these financial sratements. (Mrs. Suwanna Insamphao) (Mr. Surachet Laopoonsuk) Director of Accounting Division Governor of the Expressway Authority of Thailand 94

ANNUAL REPORT 2021 Statement of Comprehensive Income For the year ending September 30, 2021 Note 2021 Unit : Baht 2020 Revenue 5.20 10,573,096,106.57 (new update) Toll revenue 5.21 Income, subsidies, interest and fees 193,091,171.02 12,636,897,939.61 borne by the government 5.22 6,068,111,311.87 Other Revenue 5.23 16,834,298,589.46 - Total Revenue 5,357,855,427.75 Expenses 5,251,753,996.79 17,994,753,367.36 Cost of service 110,223,239.33 Cost of sales 5,325,486,667.23 Administrative costs 1,419,431,745.76 107,132,623.77 Interest expenses and fees borne by the government 193,091,171.02 75,295,363,031.88 Total expenses 6,974,500,152.90 Profit before financial costs 9,859,798,436.56 - Financial cost 1,199,985,149.51 80,727,982,322.88 Profit (loss) for the year 8,659,813,287.05 (62,733,228,955.52) Other comprehensive income 2,544,133,246.36 Actuarial loss - (65,277,362,201.88) Total comprehensive income (loss) for the year 8,659,813,287.05 (291,560,415.35) (65,568,922,617.23) Notes to financial statements form an integral part of these financial statements. 95

Expressway Authority of Thailand Statement of Equity Change For the year ending September 30, 2021 Note Equity Retained earnings Unit : Baht Total Balance as of 76,990,314,520.31 47,969,728,849.54 124,960,043,369.85 October 1, 2019 6,420,956,833.30 Changes in equity (71,989,879,450.53) for the year (65,568,922,617.23) Total comprehensive - 6,420,956,833.30 (3,000,000,000.00) income for the year 56,391,120,752.62 (as previously reported) 128,381,000,203.15 Effect of accounting 4 - (71,989,879,450.53) (71,989,879,450.53) errors 56,391,120,752.62 Total comprehensive - (65,568,922,617.23) 8,659,813,287.05 loss for the year 65,050,934,039.67 (new update) Remittances to the - (3,000,000,000.00) government in 2019 Balance as of September 76,990,314,520.31 (20,599,193,767.69) 30, 2020-new update Balance as of October 76,990,314,520.31 51,390,685,682.84 1, 2020 (as previously reported) Cumulative effect of 4 - (71,989,879,450.53) accounting errors Balance as of October 1, 76,990,314,520.31 (20,599,193,767.69) 2020-new update Changes in equity for the year Total comprehensive - 8,659,813,287.05 income for the year Balance as of 76,990,314,520.31 (11,939,380,480.64) September 30, 2021 Notes to financial statements form an integral part of these financial statements. 96

ANNUAL REPORT 2021 Statement of Cash Flow For the year ending September 30, 2021 2021 Unit : Baht 2020 Cash flow from operating activities 8,659,813,287.05 (new update) Profit (loss) for the year (65,277,362,201.88) Profit reconciliation item for the year to cash (1,432,809,810.05) received (paid) (62,223,684.25) (1,641,534,932.92) (62,223,684.25) From operating activities : (3,628,297,043.68) Recognize revenue from joint ventures (42,502,516.72) (2,124,545,958.42) Recognize revenue from government subsidies (605,446,258.34) (56,800,214.78) Recognize revenue from the amended contract (193,091,171.02) (814,314,296.49) extension (6,336,942.69) - Interest income on bank deposits - (6,441,430.00) Benefit from the fund Government Interest and Fees Subsidy 2,561,479,139.25 73,993,420,129.57 Profit from disposal of assets - 2,595,117,517.63 Litigation and Dispute Costs Depreciation and Amortization 149,895,784.55 23,641,041.87 Loss on employee benefit estimates 193,091,171.02 150,714,399.23 Employee benefit expenses 222,493,835.57 Interest expenses and fees borne by the government 963,949,459.67 - Interest expenses 6,780,015,250.36 425,299,219.10 Interest expenses under the contract of transferring (152,770,029.70) 2,099,743,520.99 income rights to the Fund 481,267,600.33 9,304,713,109.65 Profit for the year from operations before changes (508,548,610.00) (40,144,853.66) in operating assets and liabilities 771,061,475.76 (1,029,525,307.20) 520,150,348.13 Changes in operating assets decrease (increase) - (32,927,466.65) Other accounts receivable 40,757,680.97 (839,220,000.00) Other current assets (39,752,458.52) (277,836,454.36) 423,584,328.82 18,283,749.20 Changes in operating liabilities increase (decrease) 1,431,882.58 173,935,037.52 Creditor 7,797,047,120.60 Accrued expenses 1,081,718.00 Income remitted to the state in arrears 7,798,509,880.63 Advance income Other current liabilities 97 Retention guarantee Welfare funds Cash received from operating activities Notes to financial statements form an integral part of these financial statements.

Expressway Authority of Thailand Statement of Cash Flow (Continued) For the year ending September 30, 2021 2021 Unit : Baht 2020 Statement of Cash Flow (continued) (new update) Earn interest on bank deposits 38,932,601.71 61,469,976.55 840,728,250.61 Receive benefits from the Fund 631,458,892.45 - Payment of interest and fees borne by the government (50,253,950.63) (459,564,684.85) (716,318,874.54) Payment of interest (266,508,356.12) (67,702,354.88) Payment of interest under the contract of transfer of (835,359,810.62) 7,457,122,193.52 income rights to the Fund 9,102,267,711.15 Payment of employee benefits (81,870,805.06) (5,000,000.00) Net cash provided by operating activities 7,233,445,692.33 (3,668,000,000.00) 6,441,430.00 Cash flow from investing activities decreased (increased) (334,881,572.16) (3,807,719,032.32) Temporary investment (15,300,715,813.57) (2,150,467.30) Fixed deposit (5,103,481.00) 1,290,958,069.37 Fixed deposit more than one year 23,076,000,000.00 (400,000,000.00) (6,450,000,000.00) Proceeds from disposal of assets 6,366,500.00 309,555,700.00 Invest in land, buildings and equipment (127,223,946.07) (3,839,220,000.00) (10,379,664,300.00) Invest in work in progress (6,284,322,276.78) (1,631,584,037.11) 8,482,322,232.70 Intangible assets (635,721.11) 6,850,738,195.59 Net cash received from investing activities 1,364,365,261.47 361,768,751.86 Cash flows from financing activities Cash repayment of government loans (449,746,049.37) Cash repayment loan (5,000,000,000.00) Proceeds from government subsidies 87,266,900.00 Remittances to the government - Net cash used in financing activities (5,362,479,149.37) Cash and cash equivalents (decrease) increase-net 3,235,331,804.43 Cash and cash equivalents at the beginning of the period 6,850,738,195.59 Cash and cash equivalents at the end of the period 10,086,070,000.02 Additional information in the statement of cash flows Investing in unpaid work in progress 364,083,163.12 Notes to financial statements form an integral part of these financial statements. 98