-1- November 29, 2018 Subject Change of payment method for investment in acquisition and sale of tap water in some areas of Phuket and some areas of Phangnga. To Director and Manager The Stock

RBF MDA En Q319_12.11.19 R&B Food Supply Public Company Limited 12 November 2019 Re Management Discussion and Analysis for the 9 month period ended 30 September, 2019 Attn. The President The Stock

boost up of raw material cost cause from the demand over supply in electronic commodity market in 2018, together with higher inventory provision, moreover, the increasing in depreciation caused by the

PTT PUBLIC COMPANY LIMITED PYLON PUBLIC COMPANY LIMITED QTC ENERGY PUBLIC COMPANY LIMITED QUALITECH COMPAMY PUBLIC COMPANY LIMITED QUALITY HOUSES PUBLIC COMPANY LIMITED R&B FOOD SUPPLY PUBLIC COMPANY

discussion and analysis for the year ended December 31, 2018 To Director and Manager of the Stock Exchange of Thailand Referring to the submission of the audited financial statements of Wiik & Hoeglund Public

improve power supply capacity and escalate power to grid. Revenue from sale of industrial equipment dropped by 20.40% due to decrease in demand on products. Other revenues comprise of revenue from revenue

problem. Revenue from sale of electricity rose by 8.69% as a result of ongoing repair and maintenance of the overall power generator which gradually improve power supply capacity and escalate power to grid

://www.icns.co.th Sales Revenue Sales revenue in the first nine months of 2017 consists of turnkey business including telecommunication system and construction and electrical system, supply and maintenance. Type Jan

business including telecommunication system and construction and electrical system, supply and maintenance. Type 2016 2017 MB % MB % Sales Revenue Sales Revenue from Turnkey Business 259.36 45.52 545.12

: EIC-AD020/2019 15 May 2019 Subject: Management Discussion and Analysis for the Performance for Three-Month Period ended 31 March 2019 To: President The Stock Exchange of Thailand The Board of Directors