December 31, 2019 To The President The Stock Exchange of Thailand Management’s Discussion and Analysis Consolidated Financial Statements For Year Ended December 31, 2019 Overall Group Performance Table 1

: President of the Stock Exchange of Thailand Seamico Securities Public Company Limited (“The Company”) would like to report operating result that have been examined by our auditor for the period ended

September 30, 2019 To The President The Stock Exchange of Thailand Management’s Discussion and Analysis Consolidated Financial Statements For nine months ended September 30, 2019 Overall Group Performance

73 1 / 4 Pef. MD 042/2017 15th August 2017 Subj Management Discussion and Analysis (MD&A) Q2/2017 Dear Managing Director of Stock Exchange of Thailand We, Patum Rice Mill and Granary Public Company

funds which have invested or held equity instruments issued by PTT Public Company Limited: (1) mutual fund excluding ETF; (2) provident fund. Clause 2. In case where the Stock Exchange of Thailand issues

invested or held equity instruments issued by PTT Public Company Limited : (1) mutual fund excluding ETF; (2) provident fund. Clause 2. In case where the Stock Exchange of Thailand issues a temporary trading

Ref Ref. 2S_BoD031/2017 November 8th, 2017 Subject: Clarification of the change in operating result more than 20% To : The president The Stock Exchange of Thailand 2S Metal Public Company Limited

ที่ - Translation - PorBor. 029 / 2018 August 14, 2018 Subject: Clarification of operating results change from the same period last year by more than 20% To: President The Stock Exchange of Thailand

operating results change from the same period last year by more than 20% To: President The Stock Exchange of Thailand Rich Asia Corporation Public Company Limited and subsidiaries would like to clarify the

MDA Q1_2018 (Eng.) May 7, 2018 Subject : Interim Management Discussion and Analysis of Q1/2018 Attention : President of The Stock Exchange of Thailand We attach herewith the financial statements of