Mr. Bhusana Premanode In February 2016, Mr. Bhusana Premanode jointly with Mr. Chanchai Khemvichien arranged or allowed preparation of International Engineering Public Company Limited (IEC)'s

Mr. Chanchai Khemvichien Mr. Chanchai Khemvichien jointly with Mr. Bhusana Premanode arranged or allowed preparation of International Engineering Public Company Limited (IEC)'s accounting

Mr. Sutat Suklert Mr. Sutat Suklert rendered assistance and support for Mr. Bhusana Premanode and Mr. Chanchai Khemvichien arranged or allowed preparation of International Engineering Public Company

Mr. Sutin Jaitham Mr. Sutin Jaitham rendered assistance and support for Mr. Bhusana Premanode and Mr. Chanchai Khemvichien arranged or allowed preparation of International Engineering Public Company

Miss Jaruwan Bhusanabhibankup Miss Charuwan Bhusanabhibankup rendered assistance and support for Mr. Bhusana Premanode and Mr. Chanchai Khemvichien arranged or allowed preparation of International

emissions into (i) Scope 3 emissions from its own operations, pertaining to emissions from business travel and emissions from distribution arranged by Tesco but provided by third parties (ii) Scope 3

profit margin for the year 2019 was mainly due to differences in product mix and the impact derived from adoption of USD as the Company’s functional currency which in resulting of lowered cost evaluation

well as sales mix management in each product category efficiently. However, the Company still strictly controlled on the selling and administrative expenses. For the twelve-month period ended December 31

to 4.74% in 2019. The increase of gross profit margin was mainly due to differences in product mix and the impact derived from adoption of USD as the Company’s functional currency which in resulting of

Annual General Shareholders? Meeting on 2 May 2017, Wichai, as Chairman of the Board of Directors and both meetings, arranged for the election by means of cumulative voting* despite knowing that such