ABICO 01 /KV/2017 November 9, 2017 Subject : Explanation on operation result for the Quarter ended September 30, 2017. To : Director and Manager Stock Exchange of Thailand Abico Holdings Public

ABICO 012/KV/2017 November 10, 2017 Subject : Explanation on operation result for the Quarter ended September 30, 2017,(Edit) To : Director and Manager Stock Exchange of Thailand Abico Holdings

-Translation- 1 -Translation- Ref. NCH 067/2017 November 10, 2017 Subject : Management’s Discussion and Analysis Q3/2017 Attention : President The Stock Exchange of Thailand N.C. Housing Plc. (“the

: President The Stock Exchange of Thailand CH. Karnchang Public Company Limited (“the Company”) and its subsidiaries would like to clarify the consolidated operating result and financial position for the year

RP-AC 002/2019 May 14, 2019 Subject Clarification of the operating results for the first quarter of 2019 To Directors and Managers of the Stock Exchange of Thailand Richy Place 2002 Public Company

31, 2019 To: Director and Manager The Stock Exchange of Thailand The Board of Director’s meeting No. 3/2019 of General Engineering Public Company Limited (“the Company” ) held on May 14, 2019 has

No. CC20190804ELE August 13, 2019 Re: Clarification of the changes in operation performance for the second quarter and the first half ended 30 June, 2019 Attn: The President The Stock Exchange of

Attention: President The Stock Exchange of Thailand CH. Karnchang Public Company Limited (“the Company”) and its subsidiaries would like to clarify the consolidated operating result and financial position for

and analysis for the period ended March 31, 2018 To Director and Manager of the Stock Exchange of Thailand Referring to the submission of the reviewed financial statements for quarter 1/2018 of Wiik

-Translation- 1 -Translation- Ref. NCH 042/2018 August 10, 2018 Subject : Management’s Discussion and Analysis 2Q/2018 Attention : President The Stock Exchange of Thailand N.C. Housing Plc. (“the