1 Translation CEN 025-2017 November 13, 2017 Subject : Management Discussion and Analysis for business operation of quarter 3/2017 To The Manager and President The Stock Exchange of Thailand For 3

1 At JSP 60/12/04 December 26, 2017 Subject Notifications of the connected transaction regarding the receipt of financial assistance. (Revise) To President The Stock Exchange of Thailand The Board of

1 / 3 No.IR.003/2019 28 February 2019 Re: Notification of the changes of the Profit and Loss Statement To: President Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited

of Thailand Enclosure : 1. Financial Statements for the Second quarter ended June 30,2018 2. Management Discussion and Analysis Nawarat Patanakarn Public Company Limited would like to submit Reviewed

1/4 August 13, 2020 Re: Clarification of the operating results of company and its subsidiaries for the six months period end June 30, 2020 To: President The Stock Exchange of Thailand K.C. Property

หนังสือบริคณห์สนธิ RHOM BHO PROPERTY PUBLIC COMPANY LIMITED 53 Sukontasawad Rd. Ladprao, Ladprao, Bangkok 10230 Tel: 02-907-8140-2 Fax: 02-907-8144 Page 1 of 3 TITLE 008/2020 August 14, 2020 Subject

(Translation) 1/4 November 16, 2020 Re: Clarification of the operating results of company and its subsidiaries for the nine months period end September 30, 2020 To: President The Stock Exchange of

compared with the same quarter last year was due to the expedited delivery of projects such as USO (Phase 2), Cable Landing Station and CAT-IDC, together with the revenue recognition of MA USO (Phase 1

initiating a share repurchase project. However, at the time, the total proceeds from the capital fundraising through the private placement had already been fully utilized. Furthermore, STARK lacked retained

147.9 -1% Cost of Sales and Services (29.3) (28.7) 2% (84.3) (73.7) 14% Gross Profit 28.1 25.6 10% 62.6 74.2 -16% EBITDA 35.6 22.4 59% 55.6 59.8 -7% EBIT 31.6 18.5 71% 43.8 49.1 -11% Net Profit 28.4 19.3