MATI 19/2560 November 13, 2017 Subject Consolidated Financial Report for the nine-month period which ended at September 30, 2017 To Director and Manager The Stock Exchange of Thailand Nine-month

1 No. CC20180504ELE May 15, 2018 Subject Report of the Resolutions of Board of Directors’ Meeting No.2/2018 To President The Stock Exchange of Thailand The Board of Directors’ meeting of Cal-Comp

: BI.IO.(1) 7/2018 June 6, 2018 President The Stock Exchange of Thailand Dear Sir, Re : Investment of common shares in Perennial HC Holdings Pte. Ltd. On behalf of Bangkok Bank Public Company Limited (“the

: BI.IO.(1)14/2018 August 9, 2018 President The Stock Exchange of Thailand Dear Sir, Re : Investment of common shares in Siam Solar Generation Company Limited On behalf of Bangkok Bank Public Company

set-q2-61 (Translation) LEE 10/2018 14 August 2018 Subject : Management Discussion and Analysis for the second quarter ended June 30, 2018 To : President of The Stock Exchange of Thailand We submit

Attn : The Directors and The MAI Manager Ref: DIMET AC 1911/001 November 14, 2019 Attention: The Directors and The MAI Manager The Stock Exchange of Thailand Subject: Report on Q.1’s performance

comply with rules specified by the Capital Market Supervisory Board by virtue of Section 247 of the Securities and Exchange Act B.E. 2535 as he failed to prepare and submit (1) a report on the total number

Discussion and Analysis of the Company’s Performance for the nine-month period ended September 30, 2019 Baht Million 2018 2019 +/(-) +/(-) % Total revenues 1,058.85 1,286.92 228.07 21.54% EBIT 278.86 328.20

exchange rate, resulting in a decrease in net profit ratio (ROS) from 16.00% in 2018 to 14.78% in 2019. The total expense to total revenue ratio increased from 13.32% in 2018 to 17.46% in 2019. 1. Overview

Disposal of Asset of the Company Attention: President Stock Exchange of Thailand Enclosures: 1. Information Memorandum on the Disposal of Asset of the Company (1st) 2. Information Memorandum on the Disposal