May 15, 2019 Subject: Managing Discussion and Analysis for Q1/2019 To: Managing Director The Stock Exchange of Thailand The company would like to report to operation results for the company and

15 May 2018 Subject: Management Discussion and Analysis for the 3-Month Period Ended March 31, 2018 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company Limited

Ref. PDI/BK-BS-056/2018 8th August 2018 Re: Management Discussion and Analysis (MD&A) For the 2Q 2018 and 1H 2018 To: President The Stock Exchange of Thailand Due to depletion of Mae Sod Mine’s

14 August 2018 Subject: Management Discussion and Analysis for the Six-Month Period Ended June 30, 2018 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company

-9320 1 Ref: PLC 2018/012 August 13, 2018 Subject: Management Discussion and Analysis Quarter 2 Ended 30-June-2018 To: The President of the Stock Exchange of Thailand Panjawattana Plastic Public Company

August 14, 2018 Subject: Managing Discussion and Analysis for Q2/2018 To: Managing Director The Stock Exchange of Thailand The company would like to report to operation results for the company and

14 November 2018 Subject: Management Discussion and Analysis for the Nine-Month Period Ended September 30, 2018 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public

Soi Ramintha 14, Ramintra Road , Tharang, Sub - District Bangkok 10230 Tel: 02-943-6663-4 Fax: 02-943-6343 02-943-7740 2. An increase of 9.23% in cost of sales and services compared to the same period

-9320 1 Ref: PLC 2019/011 November 13, 2019 Subject: Management Discussion and Analysis Quarter 3 Ended 30 September 2019 To: The President of the Stock Exchange of Thailand Panjawattana Plastic Public

Page 1 of 2 Management Discussion and Analysis for the First Quarter of Year 2020 Business Overview Business overview of One to One Contacts Public Company Limited and its subsidiaries (“the Group