PTT Global Chemical : Disclosure of the Notice of the 2021 Annual General Meeting of Shareholders and the Company's Precautionary Measures for the Meeting under the COVID-19 Pandemic on the Company's Website

(Translation)

Ref. No. 01 - 072 / 2021

March 4, 2021

Subject : Disclosure of the Notice of the 2021 Annual General Meeting of Shareholders and the Company's Precautionary Measures for the Meeting under the COVID-19 Pandemic on the Company's Website

ToPresident

The Stock Exchange of ThailandCc : Secretary-General of the Office of the Securities and Exchange Commission Reference : Letter of the Company No. 01- 047/2021 dated February 15, 2021

Attachment : The Company's Precautionary Measures and Guidelines for Holding the Annual

General Meeting of Shareholders for the Year 2021 under the Coronavirus Disease 2019 (COVID-19) Pandemic.

Reference is made to the PTT Global Chemical Public Company Limited (PTTGC) notification that the 2021 Annual General Meeting of Shareholders (AGM) will be held on Monday, April 5, 2021 at 09.00 hours. at Bangkok Convention Center, 5th Floor, Central Plaza Ladprao, 1695 Phaholyothin Road, Chatuchak, Chatuchak, Bangkok 10900.

To enhance the good corporate governance practice regarding shareholders' rights and equitable treatment, PTTGC has disclosed the Notice of the 2021 Annual General Meeting of Shareholders and Privacy Notice together with the Company's Precautionary Measures for the Meeting under the COVID-19 Pandemic and related documents on the Company's websitewww.pttgcgroup.com from March 4, 2021 onwards. Furthermore, Shareholders are able to submit any questions regarding the proposed agenda in advance, together with name-surname and contactable address, [e-mail] [e-mail] [e-mail] or at facsimile no. 0 2265 8500, the Company shall collect such questions for further explanation.

Please be informed accordingly.

Yours sincerely,

-Kongkrapan Intarajang-

(Kongkrapan Intarajang) Chief Executive Officer

Corporate Secretary and Legal Telephone [phone]

(Translation)

The Company's Precautionary Measures and Guidelines for Holding the Annual General Meeting of Shareholders for the Year 2021 under the Coronavirus Disease 2019 (COVID-19) Pandemic.

Before the Meeting Day

1. The Company is aware of the preventing and minimizing risk of the Coronavirus disease 2019 (COVID-19) pandemic as well as Shareholders' well-beings, the Company asks for your cooperation to grant proxies, instead of attending in person(s), to the Company's Independent Directors to attend and vote on your behalf (Profiles of Independent Directors and Procedures for Appointment Proxy as stated in Attachment 3 and 4) by using a proxy Form A or B or downloading onwww.pttgcgroup.com (recommend to use Form B to vote for each agenda in advance), along with evidencing documents, and send to the Company with the reply envelope attached, without postage required to :

Corporate Governance Department, PTT Global Chemical Public Company Limited 555/1 Energy Complex, Building A, 18th Floor, Vibhavadi Rangsit Road, Chatuchak, Chatuchak, Bangkok 10900.

2. Providing channels to submit written questions related to the agendas in advance, the Company would record all questions and answers in the mom. Shareholders can send questions, name-surname, together with the proxy form granting proxy to the independent directors as the above guideline [e-mail] [e-mail] [e-mail].

3. The Company would clean frequently touch surface with the disinfection and ozone sterilized in advance of the Meeting Date.

The Meeting Day (Monday, April 5, 2021)

4. In case of unable to attend the Meeting in person, the Company provides Shareholders the Web-live Broadcast onwww.pttgcgroup.com. Shareholders are required to register with Shareholders' Registration number before watching the broadcast meeting.

5. For Shareholders and/or proxies ("attendees") who want to participate the Meeting in person, the Company encourages all attendees to strictly follow the Company's precautionary measures and guidelines for holding the Meeting to prevent and minimize the risk from the COVID-19 pandemic as follows:

5.1 To prevent overcrowded situation, the meeting venue is set with the 1.5 meters social distancing at various areas such as seating, temperature-screening points, document-checking points and registration points. The Company would ask for your cooperation to use an escalator, instead of an elevator, to enter the meeting room.

5.2 All attendees are required to fill up the Company's COVID-19 Infection Risk Screening Form and register with 'Thai-Chana' application before entering and leaving the meeting venue as required by the government. If any attendees and ones' close contacts have traveled to or passed any disease infected zones as notified by the Ministry of Public Health, or ones having any following symptoms, e.g. fever, cough, sore throat, runny nose, lost sense of smell, dyspnea, cold, or having pneumonia, or those who do not pass the health screening nor complete the Company's COVID-19 Infection Risk Screening Form are prohibited from entering the Meeting and encouraged to strictly follow doctors' instructions. The Company would prohibit those who do not following such orders as well. However, Shareholders could grant proxies to the Company's Independent Directors. Please also note that concealment of health information or traveling record could be considered as the violation of the Communicable Diseases Act B.E. 2558.

5.3 All attendees are required to go through infrared thermal scanning cameras at the temperature-screening points before entering the meeting venue. Those whose body temperatures exceed 37.5 degree Celsius are prohibited from attending the Meeting. Those who pass the healthscreening process are required to put on a registration sticker and wear ones' own face mask at all time as well as wash hands with alcohol-based hand sanitizers provided in various areas.

5.4 The Company shall arrange seating in the meeting room with a distancing of 1.5 meters, leads to limited numbers of seats for approximately 240, and specific seating numbers for each attendee according to their registration. Therefore, attendees are required to sit as specified for the benefits of the disease preventing or following up any unforeseen circumstances. Once seating is fully occupied, the Company would not arrange additional seating nor allow stand-up meeting and entering the meeting venue. Thus, Shareholders are encouraged to grant proxies to the Company's Independent Directors instead of attending in person.

5.5 Microphone will NOT be provided and the Meeting will be concise. Thus, attendees, having any questions, could submit questions via provided QR Code or written ones to the Company's staff, conveying them to the Chairman of the Board of Directors.

5.6 To minimize the risk of the disease spreading, food and drinks will NOT be served nor allowed to consume at the meeting venue.

6. Due to the uncertainty of the Coronavirus disease 2019 (COVID-19) pandemic as well as the public sectors' requirements of the application for holding a public meeting and the meeting plan submission, which is subjected to alterations of the Company's precautionary measures and guidelines, the Company would ask for your cooperation to follow the latest precautionary measures and guidelines until the meeting day, and would inform Shareholders of any changes via the Company's websitewww.pttgcgroup.com.

The Company would like to apologize for any inconveniences that may occur, especially delaying at the health-screening and registration processes, resulted from a large numbers of meeting attendees.

Yours Sincerely,

PTT Global Chemical Public Company Limited

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