Stock Exchange of Thailand PACE Development Corporation Public Company Limited (“the Company”) would like to report the operating results for the year ended 31 December 2018. The details are as follows

-Translation- Ref. IR 62/005 March 13, 2019 Subject: transaction yDisclosure of the information regarding related part To : President, The Stock Exchange of Thailand T.K.S. Technologies Public

(loss) on exchange rate and change 0.72 -0.50 1.22 N.A 0.76 -0.56 1.32 N.A Other incomes 33.59 24.07 9.52 39.54% 30.60 23.31 7.29 31.26% Total Revenue 1,071.65 1,080.19 -8.55 -0.79% 1,060.91 1,066.61

period of 2019 To : The President of the Stock Exchange of Thailand The Company would like to provide details of changes in Profit and Loss as shown in the six-month period ending 30 June 2020 reviewed

\(Microsoft Word - 26 \\340\\301.\\302.61_Eng_.doc\) April 26, 2018 To : Managing Director The Stock Exchange of Thailand Re : The acquisition of investment in Buriram Ruampaet Co.,Ltd. The board of

Ref. MD 115/2017 August 25, 2017 Re: Clarification on the Financial Performance of the Company and its subsidiaries as of Year 2015 Attn: President The Stock Exchange of Thailand We, K. C. Property

. The total liabilities was decreased by Baht 20.04 Million or 1.57 percent compared to year 2014, due to the Company and its subsidiaries had debenture stock and bill of exchange, short-term loan and

1 / 4 No.IR.002/2018 22 February 2018 Re: Notification of the changes of the Profit and Loss Statement To: President Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited

. Significant Financial Ratios (Excluded the effect of foreign exchange rate) 2018 2017 ** 1) Current Ratio (Times) 2.31 1.96 2) Profit to Total Revenue (excluded fuel costs) (%) 52.35 44.46 3) Return on Equity

1 -Translation- No.ECF2 004/2018 24 January 2018 Subject: Change in Shareholding Structure of the Planet Board Company Limited, a Subsidiary Company of the Company To: President The Stock Exchange of