, Tambol Ban Lane, Amphur Bangpa-in, Ayuthaya Province 13160, Thailand Tel (035) 350 880 Fax (035) 350 881 Website: www.aapico.com 1 บริษัท อาปิโก ไฮเทค จํากดั (มหาชน) AAPICO HITECH PUBLIC COMPANY LIMITED

Company Limited (“company”) and Subsidiaries (“group”) as their operation in business in year 2020 consists of 6 segments such as investment in other businesses, wire business segment, transmission line

Management Discussion and Analysis for the Second Quarter of Year 2017 Business Overview Business overview of One to One Contacts Public Company Limited and its subsidiaries (“the Group”) for the

Management Discussion and Analysis for the Year 2018 Business Overview Business overview of One to One Contacts Public Company Limited and its subsidiaries (“the Group”) for the year 2018 compared to

Management Discussion and Analysis for the First Quarter of Year 2019 Business Overview Business overview of One to One Contacts Public Company Limited and its subsidiaries (“the Group”) for the

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

Limited Attention: President Stock Exchange of Thailand Enclosure: Information Memorandum on Connected Transaction of the Company Concerning Acquisition of Shares in CS LOXINFO Public Company Limited

. To: President The Stock Exchange of Thailand The Board of Directors of Eastern Water Resources Development and Management Public Company Limited (“Company / EASTW”) at the meeting No.9/2020 held on May

Ref Ref. No. Thor Bor. 004/2561 March 16, 2018 Subject 1. Consider entering into transactions with related parties 2. Sale of land with building to Saha Phatanapibul Public Company Limited (Addition

Exchange of Thailand The Board of Directors of Eastern Water Resources Development and Management Public Company Limited (“Company / EASTW”) at the meeting No.8/2020 held on May 8, 2020 has resolved that