ACC6207/003 25 July 2019 Subject Inform the progress of the sale stock in the subsidiary company To Director/ Managing Director The Stock Exchange of Thailand Refer to the company's letter No

, Nakorn Ratchasima. 30380 Tel: (66) 4429 1333, Fax: (66) 4429 1723 Website: www.navanakorn.co.th IR 008/100/2019 October 31,2019 Subject : Progress of the share acquisition of Thai Thanan Company Limited

ACC6206/004 28 June 2019 Subject Inform the progress of the sale stock in the subsidiary company To Director/ Managing Director The Stock Exchange of Thailand According to the meeting of the Board of

industrial waste to energy power plant project located at Ratchaburi Industrial Estate and operated by Progress Interchem (Thailand) Co., Ltd. (“Interchem”) with a contracted capacity of 4.0 MW (an installed

final blueprint Example Project A progress % billing % Q3’20 10 - Q3’20 20 - Q4’20 15 10 Q4’20 35 20 Q1’21 20 50 Q2’21 - 20 100 100The entity measures progress according to % billing recognise revenue 99

progress over time. > Country participation in the assessment process, and the publication of the final report, are voluntary. By the end of January 2013, 80 reports have been completed in 59 countries

acts as the oversight body, is overseen by an independent body. Such an auditor oversight body must operate in the public interest, and have an appropriate membership, an adequate charter of

DODD-FRANK ACT • Financial crisis revealed behemoth players in financial industry were not overseen by any regulatory authority • Dodd-Frank mandated additional SEC oversight on PE and HF firms JUNE 22

and Analysis EXECUTIVE SUMMARY SIGNIFICANT EVENTS Announcement on Corporate Rating and Progress on Corporate Bond Issuance On April 5, 2018, TRIS Rating assigned the company rating of B. Grimm Power PLC

Discussion and Analysis EXECUTIVE SUMMARY SIGNIFICANT EVENTS ABBREVIATION & OUR PROJECTSFINANCIAL PERFORMANCE FINANCIAL POSITION PROGRESS OF PROJECTS UNDER CONSTRUCTION EXECUTIVE SUMMARY 1 Issuance of