Bangkok, 21 June 2018 ? The SEC has imposed civil sanction on two offenders, namely Mr. Sarath Teganjanavanich and Ms. Malita Limlomwongse, for using inside information to buy shares of Thai Optical

Mr. Sarath Teganjanavanich During the period of 9 to 16 October 2015 and 12 to 26 April 2016, Mr. Sarath Teganjanavanich, Vice President of Business Planning and Finance of Thai Optical Group Public

Miss Malita Limlomwongse During the period of 9 to 16 October 2015 and 12 to 26 April 2016, Mr. Sarath Teganjanavanich, Vice President of Business Planning and Finance of Thai Optical Group Public

. Sincerely yours, - Signed - (Mr. Sarath Pavorndechapong) Deputy Executive Vice President, Legal and Compliance

Audit Committee and/or directors which are different from the opinions of the Board of Directors (Translation) - None - Please be informed accordingly. Sincerely yours, - Signed - (Mr. Sarath

from the opinions of the Board of Directors - None - Please be informed accordingly. Sincerely yours, - Signed - (Mr. Sarath Pavorndechapong) Deputy Executive Vice President, Legal and Compliance