Management Name : Mr SARATH RATANAVADI | Type of securities : Common share | Methods of Acquisition / Disposition : Buy | Transaction Date : 10/04/2018

Management Name : Mr SARATH RATANAVADI | Type of securities : Common share | Methods of Acquisition / Disposition : Buy | Transaction Date : 11/04/2018

Management Name : Mr SARATH RATANAVADI | Type of securities : Common share | Methods of Acquisition / Disposition : Buy | Transaction Date : 12/04/2018

Management Name : Mr SARATH RATANAVADI | Type of securities : Common share | Methods of Acquisition / Disposition : Buy | Transaction Date : 30/05/2018

Management Name : Mr SARATH RATANAVADI | Type of securities : Common share | Methods of Acquisition / Disposition : Buy | Transaction Date : 01/06/2018

Management Name : Mr SARATH RATANAVADI | Type of securities : Common share | Methods of Acquisition / Disposition : Buy | Transaction Date : 18/06/2018

Management Name : Mr SARATH RATANAVADI | Type of securities : Common share | Methods of Acquisition / Disposition : Buy | Transaction Date : 19/06/2018

Management Name : Mr SARATH RATANAVADI | Type of securities : Common share | Methods of Acquisition / Disposition : Buy | Transaction Date : 22/06/2018

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