Resignation of Director

To President,

The Stock Exchange of Thailand

QTC Energy Public Company Limited ("The Company") hereby informs the resignation of Mr. Pornthep Panyarachun from position of Director, due to his other business engagement. The resignation will be effective from 1 June 2022 onwards.

Please be informed accordingly.

Sincerely yours,

( Mr. Poonphiphat Tantanasin)

Chief Executive Officer