BOD Resolution 4_2018 EN_Connected Transactions_ITTC_v2 -Translation- 11 May 2018 Subject: Notification of a Related-Party Transaction To: President and Managing Director The Stock Exchange of

19 September 2005 - Translate – Ref. HF 0051/2020 May 18th, 2020. Subject : Disclosure of Connected Transaction (Reviewed) Attn : Managing Director of the Stock Exchange of Thailand. According to the

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

transactions are less than 15% of the total assets of the Company and this transaction is not classified as a connected transaction. Yours sincerely, Mr. Itthirit Wipoosiri Managing Director

19 September 2005 - Translate – Ref. HF 0044 / 2019 February 25th, 2019. Subject : Disclosure of Connected Transaction. Attn : Managing Director of the Stock Exchange of Thailand. According to the

19 September 2005 - Translate – Ref. HF 0109/2018 August 6th, 2018. Subject : Disclosure of Connected Transaction. Attn : Managing Director of the Stock Exchange of Thailand. According to the

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

19 September 2005 - Translate – Ref. HF 0109/2018 August 6th, 2018. Subject : Disclosure of Connected Transaction (Additional) Attn : Managing Director of the Stock Exchange of Thailand. According to

, Chonburi  20230 Thailand    Tel. 66‐38 480‐020‐1 FAX. 66‐38 480‐080  (Translation)  AF.007/2020 26 February 2020 Subject : Approval of transaction contract of rent with connected persons To : Managing

620/5 Moo 11 Nongkham, Sriracha, Chonburi 20230 Thailand Tel. 66-38 480-020-1 FAX. 66-38 480-080 (Translation) AF.008/2019 27 February 2019 Subject : Approval of transaction contract of rent with