for the year ended December 31, 2019 To Director and Manager of the Stock Exchange of Thailand Referring to the submission of the audited financial statements of WIIK Public Company Limited “the Company

% yoy) because EBITDA from FA business was lower due to stock loss as CPKO price drop. Moreover, the company recognized profit of THB 20 million from investments in the Thai Ethoxylate Company Limited

robust Fit Fast Firm project (OSP’s cost saving program), which continued to drive further margin improvement through product formulation optimization, lower key raw material prices, higher supply chain

capital market throughout the value chain to effectively achieve the Net-Zero goal, addressing both national and international objectives. The event took place on 18 June 2024, at the Stock Exchange of

Acquisition Stock 4.5966 0.459 5.0557 16/02/2023 4.654 0.459 5.1131   246023252302-1 KEX FLOURISH HARMONY HOLDINGS COMPANY LIMITED Chain principle Stock 0 52.14 52.14 02/09/2021 0 52.14 52.14   246013052109-1

a juristic person under Section 258 Stock 0 0 0 09/02/2022 49.99 49.99 0   246016742202-1 GSTEEL NIPPON STEEL CORPORATION Chain principle Stock 0 0 0 09/02/2022 0 0 0   246016632202-1 Stock: common

August 11,2010 May 11, 2017 Re : Clarification on percentage of change more than 20% in Q1/2017 To : Director and Manager of the Stock Exchange of Thailand Revenue from sales The Company's revenue

Risk Management Division, Assets and Liabilities Management Sub-committee and Risk Management Committee. We are also watchful for any potential impact on our deposits and liquidity, both short- and long

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