projects. However, selling expenses declined from lower revenue from sales and services. Finance cost The finance cost decreased by 42.4% yoy to THB 15 million, attributable to the repayment of long-term

(Translation) February 27, 2019 Ref: SET-2019-003 Re: Management's Discussion and Analysis and operating results for the Year 2018 Attn. to: President The Stock Exchange of Thailand Filter Vision

SNAPSHOT & ANALYSIS CONSOLIDATED P&L SNAPSHOT THB (mn) 1Q 2017/18 4Q 2017/18 1Q 2018/19 QoQ (%) YoY (%) Operating revenue 852 1,128 1,077 -4.6% 26.5% Cost of sales 356 406 392 -3.5% 10.1% Gross profit 496

Eng_MD&A Q2'18 (Translation) August 14, 2018 Ref: SET-2018-016 Re: Management Discussion and Analysis for Quarter 2’ 2018 Attn. to: President The Stock Exchange of Thailand Filter Vision Public

Meeting of Shareholders No. 1/2018 (Amendment No.1) To The President The Stock Exchange of Thailand Attachment 1. Information Memorandum regarding the Offering and Allocation of the Newly Issued Shares of

and environment – under good corporate governance, appropriate risk management and effective cost management. Prioritizing the development of technological solutions with the aim of becoming “Customers

virtue of Section 16/6 and Section 89/27 of the Securities and Exchange Act B.E. 2535 (1992) as amended by the Securities and Exchange Act (No. 4) B.E. 2551 (2008) and Section 35 of the Securities and

คำอธิบายและการวิเคราะห์ของฝ่ายจัดการ 11 August 2017 Re: To clarify the financial statements as of 30 June 2017 To: President The Stock Exchange of Thailand WHA Corporation Public Company Limited (the

[COMPANY NAME] Ref.: EFORL IR008/2019 March 7, 2019 Subject: Management Discussion and Analysis Yearly Ending 31 December, 2018 To President The Stock Exchange of Thailand 1. Overview financial

(Translation) May 15, 2019 Ref: SET-2019-008 Re: Management Discussion and Analysis for Quarter 1’ 2019 Attn. to: President The Stock Exchange of Thailand Filter Vision Public Company Limited and its