Management Discussion and Analysis for Interim Business Operations Financial Performance for the year ended December 31 , 2018 (Unit : M ill ion Baht) 2018 2017 Inc./(Dec.) % Construction income

cash received from long- term borrowings from a financial institution amount of THB 161 million and dividend payment amount of THB 417 million. Financial Ratio Analysis Financial Rate 12 months In 2018

-1 -Translation- Ref. LPN/SorKor/146/2562 9th May 2019 Re: Financial Statements Analysis Report Q1/2019 Dear: President The Stock Exchange of Thailand L.P.N. Development Public Co.,Ltd. would like to

page1 from 5 9 May 2019 Subject : Management Discussion and Analysis For the first quarter of 2019 ended March 31, 2019 To : The President The Stock Exchange of Thailand WICE Logistics Public Company

to operating profit from the period. Analysis of performance Gross Profit Margin was affected by two major factors: 1) A change in foreign currency exchange rates Table 1: Foreign currency exchange

No. CAZ 007/2019 15 May 2019 Subject: Management Discussion and Analysis 1st Quarter ended 31 March 2019 Attention: The President The Stock Exchange of Thailand CAZ (Thailand) Public Company Limited

30 July 2019 At: ACC/HO 017/19 Re: Management Discussion and Analysis for the Quarter of 2/2019 To: President The Stock Exchange of Thailand In the second quarter of 2019, the Thai economy inclined

-1 - Translation - Ref. LPN/SorKor/217/2562 7th August 2019 Re: Consolidated Financial Statements Analysis Q2/2019 Dear: President The Stock Exchange of Thailand L.P.N. Development Public Co., Ltd

from High-Valued Document. 2Q19 Revenue Breakdown Mil THB TBSPTKS 311 325 277 267 Q2 18 Q2 19 592 + 0.8% 588 T.K.S. Technologies Public Company Limited Management Discussion and Analysis Operating

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