Kuala Lumpur, 16 March 2012 - The ASEAN Capital Markets Forum (ACMF)1 announced today that securities regulators and stock exchanges of Malaysia, Singapore and Thailand have signed a Memorandum of

: Management explanation and analysis for the yearly ending 31 December 2019 Attention: The President of, The Stock Exchange of Thailand ZIGA Innovation Public Company Limited ( “the Company” ) would like to

Management Discussion and Analysis 1 Ref: AC.017/2020 18 May 2020 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange

explanation and analysis Quarter 1/2020 ending 31 March 2020 Attention: The President of, The Stock Exchange of Thailand ZIGA Innovation Public Company Limited (“the Company”) would like to clarify operating

-1 1 Ref. LPN/SorKor/098/2564 6th May 2021 Re: Financial Statements Analysis Report Q1/2021 Dear: President The Stock Exchange of Thailand L.P.N. Development Public Co.,Ltd. would like to submit the

-1 - Translation - Ref. LPN/SorKor/386/2562 7th November 2019 Re: Consolidated Financial Statements Analysis Q3/2019 Dear: President The Stock Exchange of Thailand L.P.N. Development Public Co., Ltd

(raw material), COGs/revenue ratio of Q1/2019 are at high level. This is because of high stock level carried over Q4/2018.  Increase in cost of sales of are main impact to minus in bottom line. 3 / 4

: Explanation of Company’s Overall Operation for the Quarter 2nd of year 2020 To: Directors and Managers The Stock Exchange Market of Thailand Rhom Bho Property Public Company Limited (“the Company”) would like

Stock Exchange. Net Profit For the first six-month of 2020, the company had a net profit of 29.12 THB mn, a decrease of 12.46 THB mn from the same period of year 2019 or 29.97 percent decrease. The main

November 13, 2020 Subject: The Management Discussion and Analysis for the third quarter ended September 30, 2020 To: President The Stock Exchange of Thailand Well Graded Engineering Public Company Limited