SATHORN, BANGKOK 10120 PHONE : +66 (0) 2625 1188 FAX : +66 (0) 2625 1103 www.jubileediamond.co.th No. CS11/2019 August 13rd, 2019 Subject: Connected Transaction Attn: Director and Manager, The Stock

May 12, 2018 Subject : Management Discussion and Analysis for quarter ended March 31, 2018 Attention : President The Stock Exchange of Thailand 1. Operating Performance . Revenues (Thousands Baht

1 - TRANSLATION - VS/PC (Q-CON) 026/2018 August 06th , 2018. Attention Director and Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis the second quarter

President The Stock Exchange of Thailand The Company wishes to present the Management Discussion & Analysis (MD&A) on the operating and financial status for the 2nd quarter of 2018. The MD&A would enable the

1188 FAX : +66 (0) 2625 1103 www.jubileediamond.co.th CS011/2018 August 7th, 2018 Subject : Connected Transaction Attention : The President The Stock Exchange of Thailand The Board of Directors' Meeting

engaged by 6 companies Price to Earning of Peer Companies listed on the Stock Exchange of Thailand : 19 – 21 times 10 Gross Net Profit Estimate : The gross net profit of the 1st year will be THB 5.33

1 - TRANSLATION - KT/PB (Q-Con) 004/2019 February 4,2019. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for year 2018 Quality Construction

1 - TRANSLATION - KT/PB (Q-Con) 025/2019 November 1, 2019. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis the third quarter ended 30 September

(Translation) Ref.No.LEE 04/2020 14 May, 2020 Subject : Management Discussion and Analysis for the first quarter ended March 31, 2020 To : President of The Stock Exchange of Thailand We submit

May 15, 2020 Subject : Management Discussion and Analysis for 1st quarter ended March 31, 2020 Attention : President The Stock Exchange of Thailand 1. Operating Performance 1.1 Revenues Consolidated