The Stock Exchange of Thailand The Meeting of Board of Directors of WHA Utilities and Power Public Company Limited (“Company”) No. 8/2017 on 29 September 2017 passed a resolution approving the Company

AC2802/2018 February 28, 2018 Subject: Management Discussion and Analysis for Year2017 To: Managing Director The Stock Exchange of Thailand The company would like to report the operation results for

Microsoft Word - MDA-EN-Apr2017-Jun2017-11Aug2017.doc 1 11 August 2017 Subject: Explanation of operating result in the financial statement ended 30 June 2017 To: Directors and Managers of the Stock

November 10, 2017. Re: Management Discussion and Analysis for the period 3 months September 30, 2017. To: The Registrar, Stock Exchange of Thailand. Patkol Public Company Limited : Management

1 10 November 2017 Subject: Explanation of operating result in the financial statement ended 30 September 2017 To: Directors and Managers of the Stock Exchange of Thailand With reference to the

1 12 February 2018 Subject: Explanation of operating result in the financial statement ended 31 December 2017 To: Directors and Managers of the Stock Exchange of Thailand With reference to the

May 11, 2018 Re: Management Discussion and Analysis for the period 3 months March 31, 2018 To: The Registrar , Stock Exchange of Thailand Patkol Public Company Limited: Management Discussion and

May 15, 2018 Subject: Managing Discussion and Analysis for Q1/2018 To: Managing Director The Stock Exchange of Thailand The company would like to report to operation results for the company and

to financial crises, reinforces property rights, reduces transaction costs and the cost of capital, and leads to capital market development. Weak https://www.sec.or.th/cgthailand/TH/Documents

On 22 March 2024, the Securities and Exchange Commission (SEC) collaborated with capital market organizations, namely – the Federation of Thai Capital Market Organizations (FETCO), the Stock