Ref. No. IVL 004/02/2020 26 February 2020 The President The Stock Exchange of Thailand Subject: Submission of Annual Audited Financial Statements and the Management Discussion and Analysis of

Ref. No. IVL 003/08/2020 13 August 2020 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Review of Financial Statements and the Management Discussion and Analysis of

Ref. No. IVL 002/05/2020 12 May 2020 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Review of Financial Statements and the Management Discussion and Analysis of

package offerings. • Enterprise non-mobile revenue & others were at Bt6,274mn, improved 19%YoY from increasing demand of CCIID leading by Cloud Services and ICT Solutions following the digitization trend

offering of warrant to purchase ordinary shares of the Company to existing shareholders and joint ventures in subsidiary. (Edited) To: The President The Stock Exchange of Thailand Enclosure 1. Capital

Managing Director of Accounting and Finance, and the disposition of land of the Company’s subsidiary (Amendment) To President The Stock Exchange of Thailand K.C. Property Public Company Limited (the “Company

The Stock Exchange of Thailand Reference: The Notification No. BGRIM 16/2563 dated 31 August 2020 Re: the readiness for development of 7 combined cycle cogeneration power plants as planned B.Grimm Power

1 Ref. No. IVL 007/08/2017 9 Aug 2017 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Reviewed Financial Statements and the Management Discussion and Analysis of

pushing biodiesel B10 to be the mandatory diesel in 2020 that lead to sharply rise in crude palm oil ( CPO) and crude palm kernel oil (CPKO) prices at the end of 2019. Since early 2019, the stock of crude

(Translation) Page 1 of 2 No. CBG 053/2017 14 November 2017 Re: Board resolution and change of overseas subsidiaries’ capital structure To Managing Director Stock Exchange of Thailand Reference is