Management Name : Mr ANANT KITTIVITTAYAKUL | Type of securities : Common share | Methods of Acquisition / Disposition : Transfer | Transaction Date : 26/09/2017

Management Name : Mr PREECHA TECHATHIPHAKORN | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 17/06/2016

Management Name : Mr PREECHA TECHATHIPHAKORN | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 23/02/2017

Management Name : Mr PREECHA TECHATHIPHAKORN | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 24/02/2017

Management Name : Mr PREECHA TECHATHIPHAKORN | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 09/03/2017

Management Name : Mr PREECHA TECHATHIPHAKORN | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 10/03/2017

Management Name : Mr PREECHA TECHATHIPHAKORN | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 27/03/2017

Management Name : Mr PREECHA TECHATHIPHAKORN | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 28/03/2017

% 1.7% 128,583 133,429 3.8% IC and equipment rental 1,107 3,111 3,202 189% 2.9% 4,364 10,576 142% Service revenue 33,717 36,245 36,885 9.4% 1.8% 132,947 144,005 8.3% SIM and device sales 7,488 5,865 7,699

The SEC Management introduces the new look of corporate website www.sec.or.th, featuring multi-device accessibility as well as more user-friendly experience for the public, investors and regulated