Summary of Form 246-2 dated 5 November 2018 The Securities and Exchange Commission (SEC) has received the report on the acquisition / disposition of securities of the Company (Form 246-2) as summarized below: 1. Report on acquisition of shares of The International Engineering Public Company Limited by Mr. Komol Jungrungruangkit. This acquisition was on November 2, 2018. The number of securities acquired was 7.06% of the total voting rights of the business. The number of securities after the acquisition is 10.53% of the total voting rights of the business.