1. Capital Increase Form (F 53-4) 2. Information Memorandum concerning the Offering and Allocation of the Newly Issued Shares of Hydrotek Public Company Limited 3. Information Memorandum concerning

opinion   2020 Reviewed Company Q3 31/12/2019 Unqualified opinion     2020 Reviewed Company Q2 30/09/2019     2020 Reviewed Company Q1 30/06/2019       Last updated on 31 March 2022

opinion     2019   Company Year 31/12/2019 Unqualified opinion   2019 Reviewed Company Q3 30/09/2019 Unqualified opinion   2019 Reviewed Company Q2 30/06/2019       Last updated on 31 March 2022

opinion     2019 Reviewed Company Q3 30/09/2019 Unqualified opinion   2019 Reviewed Company Q2 30/06/2019     Last updated on 31 March 2022

opinion   2019 Reviewed Company Q3 30/09/2019 Unqualified opinion   2019 Reviewed Company Q2 30/06/2019     Last updated on 31 March 2022

31/12/2019 Unqualified opinion   2019 Reviewed Company Q3 30/09/2019 Unqualified opinion   2019 Reviewed Company Q2 30/06/2019     Last updated on 31 March 2022

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