7th November 2019 Subject: Management Discussion and Analysis for the Quarter 3 Ending 30th September 2019 Attention: President Stock Exchange of Thailand Please find below the additional information

2018 sales and service income at 872 million baht for and net profit at 25 million. By order of the operating results for the third quarter of 2019 and year 2018 are summarized below. Million Baht

like to clarify the overall operation of the Company and its subsidiary company for the third quarter of 2019 between July and September 2019 with the details below. Summary of Income Statement for 3

disclosure of the information and operation of the listed companies about connected transaction. The aforementioned is a medium sized transaction (with the value of over 1 million baht but below 3% of the

the listed companies about connected transaction. The aforementioned is a medium sized transaction (with the value of over 1 million baht but below 3% of the Company’s NTA). Hence, this transaction

abovementioned, the net profit has changed by more than 20%, comparing to the same period of 2018 which is clarified as below Income : (Unit: Million Baht) Consolidated Separate Y2019 + Increased Y2019 + Increased

like to clarify the overall operations of the Company and its subsidiary company for the second quarter of 2020 between April to June 2020 with the details below. Summary of Income Statement for 3 months

sales and service income at 707 million baht for and net loss 50 million baht. By order of the operating results for the Second quarter of 2020 and year 2019 are summarized below Company performance For

34.44 million or 0.04 Baht per share, representing a total increase in profit of Baht 6.68 million or 19% of the previous year mainly came from the significant transactions as below : 1. The revenue from

of the estimated useful lives of assets in separated financial statements are as below; Separated Financial Statements Type of Assets Estimated useful lives of assets (year) From 2011 until 2019 From