2018 continued to grow from the previous quarter, corresponding with the world economy. The expanding of the exporting industry, tourism industry, and government investment are main supports. The

, limited the result and brought down the ARPU across the industry. 5G remained the key growth factor of mobile operators with intentions to monetize their 5G investments. 5G packages were promoted through

1 (Translation) MD. 045/2019 February 27, 2019 Re: Management Discussion and Analysis For the Year Ended December 31, 2018 To: President The Stock Exchange of Thailand Management Discussion and

1 (Translation) MD. 045/2019 27 February 27, 2019 Re: Management Discussion and Analysis For the Year Ended December 31, 2018 To: President The Stock Exchange of Thailand Management Discussion and

1 IDH-AC-000-อส6208/22.00 9 August 2019 Re: Management Discussion and Analysis Operating results for the three-month and six-month period ended 30 June 2019 To: President The Stock Exchange of

Rnj, (Translation) MD. 073/2020 May 13 , 2020 Re: Management Discussion and Analysis For the Operating Results ended March 31, 2020 To: President The Stock Exchange of Thailand Management Discussion

1 IDH-AC-000-อส6211/08.00 8 November 2019 Re: Management Discussion and Analysis Operating results for the three-month and nine-month period ended 30 September 2019 To: President The Stock Exchange

December 2017, cash and cash equivalents was THB 1,021 million, increasing by THB 169 million and negative effect of exchange rate changes on cash and cash equivalents of THB 19 million from THB 870 million

Limited Attention: President Stock Exchange of Thailand Enclosure: Information Memorandum on Connected Transaction of the Company Concerning Acquisition of Shares in CS LOXINFO Public Company Limited

February 26, 2018 To: The President The Stock Exchange of Thailand Re: 2017 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to notify the Company’s 2017 operating