November 12, 2019 Subject: Notification of the Resolution of the Board of Directors Meeting Re: the Investment in N.E.X.T Company Limited To: President Stock Exchange of Thailand Enclosure: Information

November 12, 2019 Subject: Notification of the Resolution of the Board of Directors Meeting Re: the Investment in N.E.X.T Company Limited (additional) To: President Stock Exchange of Thailand Enclosure

26 July 2018 At: ACC/HO 021/18 Re: Management Discussion and Analysis for the three-month period and six-month ended 30 June 2018 To: President The Stock Exchange of Thailand The Thai economy

104 105 -11% 0.5% VOU (GB/data sub/month) Postpaid 16.6 19.8 21.6 30% 8.9% Prepaid 11.1 16.1 16.5 47% 2.4% Blended 12.7 17.2 18.0 42% 5.0% Device Penetration 4G-handset penetration 71% 76% 77% - - Fixed

, Related Transaction, and Schedule of the AGM 2019 To : President The Stock Exchange of Thailand Attachment 1. Details of the amendment of Articles of association 2. Details of Related transaction on land

Ref. 66/2018 November 27, 2018 Subject : Waiver of rights to purchase ordinary shares of Dhipaya Bodin Co., Ltd. To : Director and Manager The Stock Exchange of Thailand The Board of Directors

- Translation - IR62/002 26 February 2019 Re: Management Discussion and Analysis (MD&A) for the year 2018 To: President The Stock Exchange of Thailand Overview and Factors Affecting Future Operating Results In

(Translation) No. CK-19-0000-PO-L-0008 February 28, 2019 Re: Scheduling of the 2019 Annual Ordinary General Meeting of Shareholders and Declaration of Dividend Payment Attn: President of the Stock

the Stock Exchange of Thailand CH. Karnchang Public Company Limited hereby informs the resolutions of the Board of Directors’ Meeting No. 1/2019 which was held on February 28, 2019 as follows: 1

momentum in enterprise business, partially offset by reduced device sales revenue. Excluding TTTBB impact, total revenue increased 0.7% from lower device sales. Core service revenue (excluding IC and NT