Investor Update April 2022

Thank you Ouver PTT Public Company Limited - Investor Relations Department Tel. +66 2 537-3518, Fax. +66 2 537-3948 E-mail: [email protected] Www Website: http://www.pttplc.com Disclaimer The information contained in our presentation is intended solely for your personal reference only. Please do not circulate this material. If you are not an intended recipient, you must not read, disclose, copy, retain, distribute or take any action in reliance upon it. In addition, such information contains projections and forward-looking statements that reflect our current views with respect to future events, financial performance and result of PTT's activities. These views are based on assumptions subject to various risks and uncertainties. No assurance is given that future events will occur, that projections will be achieved, or that our assumptions are correct. Actual results may differ materially from those projected. The information contained in this presentation is subject to change without notice and PTT does not undertake any duty to update the forward-looking statements, and the estimates and assumptions associated with them, except to the extent required by applicable laws and regulations. ptt 56

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