that select Big 4 auditors are firms that have higher reporting quality. As a result, without auditor factors, these firms innate fewer mistakes that require audit adjustments. For auditor factor

1 ( Translation ) Ref. NEP146-2017 October 25, 2017 Subject : Resolutions of the Board of Directors approving the capital decrease, the capital increase, the allotment of newly issued ordinary shares to investors in private placement, the acquisition of assets and convening the Extraordinary General Meeting of the Shareholders No. 1/2018 (Revise) To : President, The Stock Exchange of Thailand Attachment : 1. Capital Increase Report Form (F 53-4) 2. Information Memorandum in relation to the allot...

1 ( Translation ) Ref. NEP146-2017 October 25, 2017 Subject : Resolutions of the Board of Directors approving the capital decrease, the capital increase, the allotment of newly issued ordinary shares to investors in private placement, the acquisition of assets and convening the Extraordinary General Meeting of the Shareholders No. 1/2018 (Revise 2) To : President, The Stock Exchange of Thailand Attachment : 1. Capital Increase Report Form (F 53-4) 2. Information Memorandum in relation to the all...

1 ( Translation ) Ref. NEP146-2017 October 25, 2017 Subject : Resolutions of the Board of Directors approving the capital decrease, the capital increase, the allotment of newly issued ordinary shares to investors in private placement, the acquisition of assets and convening the Extraordinary General Meeting of the Shareholders No. 1/2018 (Revise 3) To : President, The Stock Exchange of Thailand Attachment : 1. Capital Increase Report Form (F 53-4) 2. Information Memorandum in relation to the al...