15 May 2019 Subject: Management Discussion and Analysis for the 3-Month Period Ended March 31, 2019 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company Limited

Ban Lane, Amphur Bangpa-in, Ayuthaya Province 13160, Thailand Tel (035) 350 880 Fax (035) 350 881 Website: www.aapico.com Management Discussion and Analysis for the 1st quarter of year 2019 2 Selling

1 Translation CEN 012-2019 May 14, 2019 Subject Management discussion and analysis for business operation Quarter 1-2019 To The Manager and President The Stock Exchange of Thailand For 3 months

บริษัท เอบิโก้ โฮลดิงส์ จํากดั (มหาชน) / หมู่ อาคารเอบโิก้ ชัน ถ.พหลโยธิน ต.คคูต อ.ลําลกูกา จ.ปทมุธานี โทร - - โทรสาร - - Management Discussion and Analysis (MD&A) ABICO HOLDINGS ABICO HOLDINGS

., Nongeiroon, Banbueng, Chonburi, Thailand 20220 Tel. 038-160707 Fax. 033-047348 www.ndrubber.co.th No. NDR006/2019 8 August 2019 Subject: Management Discussion and Analysis (MD&A) Report for the Six-Month

WATTANAPAT HOSPITAL TRANG PUBLIC COMPANY LIMITED No. WPH – SET 8/2019 8 August 2019 Subject : Management Discussion and Analysis for Quarter 2 of 2019 ending on 30 June 2019. To : Directors and

-9320 1 Ref: PLC 2019/009 August 8, 2019 Subject: Management Discussion and Analysis Quarter 2 Ended 30-June-2019 To: The President of the Stock Exchange of Thailand Panjawattana Plastic Public Company

Acc. 004/2019 August 8, 2019 To: The President The Stock Exchange of Thailand Subject: Management discussion and analysis (MD&A) for Quarter 2/2019 Dear Sir, S. Khonkaen Foods Public Company Limited

Management Discussion and Analysis for Interim Business Operations 2019 % 2018 % Inc./(Dec.) % Construction Income 44.36 86.52 35.57 96.14 8.79 24.71 Service Income 5.94 11.59 0.00 0.00 5.94 #DIV/0

-TRANSLATION- 14 August 2019 Subject : Management Discussion and Analysis for Q2/2019 Attention : President The Stock Exchange of Thailand An overview of the results in the passing The performance in