the Stock Exchange of Thailand (“SET”) as follows: 1. Approving to propose to the Extraordinary General Meeting of Shareholders No. 1/2019 to consider and approve the Company to purchase the ordinary

/ Swaps กรณี replacement cost เปนบวก ใหนับเปนเงินลงทุน กรณี replacement cost เปนลบ ใหหัก ออกจากเงินลงทุน2 2.1.2 Non FX-linked รายละเอียดเหมือนขอ 2.1.1 รายละเอียดเหมือนขอ 2.1.1 2.2 อนุพันธเพื่อการ

16 April 2020 Subject: Notification of Acquisition of shares of Trans.Ad Solutions Co.,Ltd. Attention: Director and Manager The Stock Exchange of Thailand (SET) The Board of Directors’ meeting of

of Shares of Trans.Ad Solutions Co., Ltd. (Added) Attention: Director and Manager The Stock Exchange of Thailand (SET) The Board of Directors’ meeting of Nation International Edutainment Public Company

27.2% in Q1’2018 because of 1) slight increasing of selling price per unit to from a slow adjustment of Ft charge but an 18.7% increase in gas cost and 2) y-on-y higher scheduled maintenance. However

3,293.90 -537.46 -16.3% Other income 19.49 25.33 -5.84 -23.1% Total revenue 2,775.93 3,319.23 -543.30 -16.4% Cost of goods sold & service 2,427.69 2,882.47 -454.78 -15.8% Selling & distribution expenses

and the Notification of the Board of Governors of the Stock Exchange of Thailand (SET), entitled Disclosure of Information and Other Acts of Listed Companies concerning the Connected Transaction, B.E

November 13, 2017 The President & Director, The Stock Exchange of Thailand (SET) LETTER OF CLARIFICTION: CENTEL’s Q3/2017 & YTD 9 MONTHS /2017 OPERATING PERFORMANCE RESULTS This is to inform the SET

.) Net Profit Net Profit of HSMC x Holding Percentage Net Profit of Company Cannot be calculated due to the HSMC will be set up on 15 July 2015 3.) Consideration Value or Cost x 100 Company’s Assets

เสี่ยงตามปกต ิ - Forwards / Swaps กรณี replacement cost เปนบวก ใหนับเปนเงินลงทุน กรณี replacement cost เปนลบ ใหหัก ออกจากเงินลงทุน2 2.1.2 Non FX-linked รายละเอียดเหมือนขอ 2.1.1 รายละเอียดเหมือนขอ