Hydrotek Public Company Limited at its board meeting held on February 28, 2022, appointed Mr. Pramin Panthaveesak to be a director instead of Mr. Slib Soongsawang who resigned from the Company on February 8, 2022, with additional details appearing in the letter which the Company Sent to the Stock Exchange of Thailand on February 10, 2022, effective from February 28, 2022 onwards.