production in Thailand. Net profit (loss) attributable to equity holders excluding gain (loss) on foreign currency exchange rate and Net Profit Margin excluding F/X (%) was Baht 212.1 million, compared to Baht

EBITDA 50 41 Net Profit (Loss) (433) (311) H R C HRC Sales (k tons) 172,117 418,365 HRC Production Volume (k tons) 178,506 417,825 HRC Average Selling Price (THB./ton) 17,915 20,109 HRC Cash Margin (THB

Limited and its subsidiaries Ref. PDI/BK-BS-022/2020 May 12, 2020 Re: Management Discussion and Analysis (MD&A) For the three-month period ended March 31, 2020 To: President The Stock Exchange of Thailand

ทดสอบกระดาษหัวจดหมาย IRC 5 -Translation- November 22, 2019 Subject: Management Discussion and Analysis Fiscal Year 2019 To: Managing Director The Stock Exchange of Thailand Inoue Rubber (Thailand

exceeding 20 percent Bangkok Post Public Company Limited To The President The Stock Exchange of Thailand 93 Ratchadaphisek Road, Dindaeng, Dindaeng Bangkok 10400 Bangkok Post Public Company Limited ( “The

Ended Dec 31, 2019 operating results that posted a difference greater than 20% To Director and Manager the Stocks Exchange of Thailand Currently, only Thailand Public Company Limited is a manufacturer and

15 August 2017 Subject: Management Discussion and Analysis for the 6-Month Period Ended June 30, 2017 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company

Ref. HF 0114 / 2562 August 5th, 2019 Subject : Disclosure of Connected Transaction. Attn : Managing Director of the Stock Exchange of Thailand. According to the resolution of the Board of Director

Ref. HF 0114 / 2562 August 5th, 2019 Subject : Disclosure of Connected Transaction. (Edit) Attn : Managing Director of the Stock Exchange of Thailand. According to the resolution of the Board of

Ref. HF 0114 / 2562 August 5th, 2019 Subject : Disclosure of Connected Transaction. (Edit 2) Attn : Managing Director of the Stock Exchange of Thailand. According to the resolution of the Board of