Translation CEN 001-2020 March 2, 2020 Subject Management Discussion and Analysis for business operation of year 2019 To The Manager and President The Stock Exchange of Thailand Business operation as

and maintenance than projected, UWC considered to divest it’s investment in biomass powerplants resulting in reclassification of its investment in biomass power plants to account for non-current assets

Rnj, (Translation) MD. 073/2020 May 13 , 2020 Re: Management Discussion and Analysis For the Operating Results ended March 31, 2020 To: President The Stock Exchange of Thailand Management Discussion

1 IDH-AC-000-อส6211/08.00 8 November 2019 Re: Management Discussion and Analysis Operating results for the three-month and nine-month period ended 30 September 2019 To: President The Stock Exchange

regarding the Acquisition and Disposition of Assets of the Company (Revised) Attention: President, The Stock Exchange of Thailand According to the resolution of the Board of Director’s Meeting No. 8/2019 of

1 Translation CEN 015-2019 November 14, 2019 Subject : Management Discussion and Analysis for business operation in Quarter 3-2019 To : The Manager and President The Stock Exchange of Thailand

ที่ FPI Ref. FPI.006/2019 14 August 2019 Subject : Management Discussion & Analysis of Performance Results of Quarter 2/2019 To : Board of Directors and President of The Stock Exchange of Thailand

ที่ FPI Ref. FPI.007/2019 14 August 2019 Subject : Management Discussion & Analysis of Performance Results of Quarter 2/2019 (edit) To : Board of Directors and President of The Stock Exchange of

Manager The Stock Exchange of Thailand The Board of Directors Meeting of O.C.C. Public Company Limited No. 5/2561 held on October 17, 2018 had resolved to approve the purchase of ordinary shares of Shop

Limited and other information according requested by SET) Dear Directors and Managers Stock Exchange of Thailand According to Advanced Connection Corporation Public Company Limited, the “Company” has