the operating result change Excess 20% Dear Sirs, We would like to report financial operating result for financial year ended June 30, 2018 as followings: 1. Our net loss before tax is 36.15 Million

ที่ กบร No. Kor Bor Ror. 020/2018 November 13, 2018 President The Stock Exchange of Thailand Re : Clarification on the company’s over 20% change in its operating results for 3rd quarter, 2018 Dear

Ref Ref. 2S_BoD029/2018 November 14th, 2018 Subject: Clarification of the change in operating result more than 20% To : The president The Stock Exchange of Thailand 2S Metal Public Company Limited

negotiated for change of directors and company business and Vijit Supinit was named as one of those investors, TTA may also request the SEC to consider the appropriateness of Vijit involvement.The SEC has

14 November 2019 Subject: Management Discussion and Analysis for the 9-Month Period Ended September 30, 2019 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public

1,242.3 1,286.0 3.5% 3.2% 3,707.4 3,744.9 1.0% Change Sales and service income Sales and service income increase 3.5% QoQ from Baht 1,242.3 million to Baht 1,286.0 million. The increase of Baht 43.7 million

ที่บชง Page 1 of 4 Ref. Bor Chor Ngor 0268/2020 10 August 2020 Subject: Management Discussion and Analysis for the Second Quarter ended 30 June 2020 To President The Stock Exchange of Thailand

1,274.4 125.0 10.9% Change Cost of sales and service for Q1/2023 compared to Q1/2022 increase 10.9% from Baht 1,149.4 million to Baht 1,274.4 million. The increase by Baht 125.0 million, mainly from

No. AC 070/2018 KHON KAEN SUGAR INDUSTRY PUBLIC CO., LTD 503 K.S.L. TOWER, 9th FLOOR, SRIAYUDHYA ROAD, RAJATHEVI, BANGKOK 10400 14 June 2018 SUBJECT EXPLANATION FOR THE CHANGE IN PERFORMANCE OVER 20

% Change QoQ Sales and service income Change YoY Sales and service income (included revenue from finance lease under a Power Purchase Agreement) increase 6.2% QoQ from Baht 1,467.7 million to Baht 1,559.1