No. CAZ 015-2019 13 August 2019 Subject: Management Discussion and Analysis 2nd Quarter ended 30 June 2019 Attention: The President The Stock Exchange of Thailand CAZ (Thailand) Public Company

Exchange of Thailand CAZ (Thailand) Public Company Limited (“the Company”) and its Subsidiary (“the Group”) would like to clarify the change in operating result for the second quarter ended 30 September 2019

margin 17.05% 16.36% Other income 0.10 3.51 (3.41) -97.04% Selling expenses 1.41 1.78 (0.36) -20.35% Administrative expenses 27.85 22.39 5.46 24.37% Earnings before interest and tax 40.15 36.83 Finance

doubtful accounts 56.85 - 56.85 Earnings before interest and tax (12.13) 135.08 Finance costs - Main businesses 20.06 23.05 (2.99) -13% Finance costs - Solar energy 35.41 35.69 (0.28) -1% Profit before

(Translation) UAC.CS/013/2017 August 15, 2017 Subject: Explanation of the operating results for the second quarter period ended June 30, 2017 To: President The Stock Exchange of Thailand Attachment

(Translation) UAC.CS/014/2017 November 13, 2017 Subject: Explanation of the operating results for the third quarter period ended September 30, 2017 To: President The Stock Exchange of Thailand

Microsoft Word - NWR 93-62_E_Q1 (Translation) No.FN-NWR 093/62 14 May 2019 Subject : Submission of Financial Statements for the first quarter ended March 31,2019 To : President The Stock Exchange of

and analysis for the period ended June 30, 2018 To Director and Manager of the Stock Exchange of Thailand Referring to the submission of the reviewed financial statements for quarter 2/2018 of Wiik

13 November 2019 Subject : Explanation of the operating results for the nine months of the year 2019, change in excess of 20% Attention: Directors and Managers the Stock Exchange of Thailand According

confirmed purchase orders for undelivered raw material 39 0 (100%) Net foreign exchange loss 123 0 (100%) Finance costs 62 127 52% Total expenses 3,185 4,005 20% Profit (loss) for the quarter (476) (432) 10