1/2 RC 040/17 9 August 2017 Subj. : Report on the Company’s operating results for the second quarter of the year 2017 To : President of the Stock Exchange of Thailand Encl. : 1) A copy of financial

No. CC20180803ELE August 14, 2018 Re: Clarification of the changes in operation performance for the second quarter and the first half ended 30 June 2018 Attn: The President The Stock Exchange of

Ref. 0347/2018 Date August 14, 2018 Subject 20% Performance Growth in the second quarter of 2018 Attention: Directors and Managers The Stocks Exchange of Thailand QTC Energy Public Company Limited

51-E 1/2 RC 51/18 8 August 2018 Subject : Report on the Company’s operating results for the second quarter of the year 2018 Attention : President of the Stock Exchange of Thailand The Board of

year, private investment slowed down as confidence in the election and the direction of investment from the government through large projects. In the second quarter of 2018, the Company have been

(Translation) LEE 08/2019 9 August 2019 Subject : Management Discussion and Analysis for the second quarter ended June 30, 2019 To : President of The Stock Exchange of Thailand We submit herewith the

Company and its subsidiaries for the second quarter of the year 2018 was totally Baht 453.57 million increased from the second quarter of the year 2017 which was Baht 446.69 million for Baht 6.88 million or

set-q2-61 (Translation) LEE 10/2018 14 August 2018 Subject : Management Discussion and Analysis for the second quarter ended June 30, 2018 To : President of The Stock Exchange of Thailand We submit

Microsoft Word - CS 2560-017 Q2 to SET (T_E) [ TRANSLATION ] Our Ref. JTS/CS-017/2560 August 10, 2017 Subject : Report on the Company’s operating results of the second quarter of the year 2017 To

ADMS 30/07 1/2 RC 23/19 6 August 2019 Subject : Report on the Company’s operating results for the second quarter of the year 2019 Attention : President of the Stock Exchange of Thailand The Board of